WO2023071312A1 - 显示面板及显示装置 - Google Patents
显示面板及显示装置 Download PDFInfo
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- WO2023071312A1 WO2023071312A1 PCT/CN2022/106870 CN2022106870W WO2023071312A1 WO 2023071312 A1 WO2023071312 A1 WO 2023071312A1 CN 2022106870 W CN2022106870 W CN 2022106870W WO 2023071312 A1 WO2023071312 A1 WO 2023071312A1
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- light emitting
- emitting device
- light
- reset
- display panel
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
- G09G3/3208—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED]
- G09G3/3225—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix
- G09G3/3233—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/131—Interconnections, e.g. wiring lines or terminals
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/04—Structural and physical details of display devices
- G09G2300/0439—Pixel structures
- G09G2300/0465—Improved aperture ratio, e.g. by size reduction of the pixel circuit, e.g. for improving the pixel density or the maximum displayable luminance or brightness
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0819—Several active elements per pixel in active matrix panels used for counteracting undesired variations, e.g. feedback or autozeroing
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2300/00—Aspects of the constitution of display devices
- G09G2300/08—Active matrix structure, i.e. with use of active elements, inclusive of non-linear two terminal elements, in the pixels together with light emitting or modulating elements
- G09G2300/0809—Several active elements per pixel in active matrix panels
- G09G2300/0842—Several active elements per pixel in active matrix panels forming a memory circuit, e.g. a dynamic memory with one capacitor
-
- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G2320/00—Control of display operating conditions
- G09G2320/02—Improving the quality of display appearance
- G09G2320/0233—Improving the luminance or brightness uniformity across the screen
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
- H10K59/1213—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements the pixel elements being TFTs
Definitions
- Embodiments of the disclosure relate to a display panel and a display device.
- OLED Organic Light-Emitting Diode
- Embodiments of the present disclosure provide a display panel and a display device to improve display uniformity.
- An embodiment of the present disclosure provides a display panel, including a first display area and a second display area, the transmittance of the first display area is greater than the transmittance of the second display area;
- the first display The region includes a plurality of built-in light emitting devices and at least one first driving circuit, the plurality of built-in light emitting devices includes a first light emitting device and a second light emitting device, the first driving circuit is connected to the first light emitting device, the The first driving circuit is configured to drive the first light emitting device to emit light;
- the second display area includes at least one third light emitting device and a plurality of external driving circuits, and the plurality of external driving circuits include a second driving circuit and a third driving circuit, the second driving circuit is connected to the second light emitting device through wires, the second driving circuit is configured to drive the second light emitting device to emit light, the third driving circuit is connected to the second light emitting device The third light emitting device is connected, and the third driving circuit is configured to drive the third light emit
- the number of the third light-emitting devices is multiple, and in the first direction, the external driving circuit and the third light-emitting devices are arranged periodically, and the arrangement period of the external driving circuit is less than the arrangement period of the third light emitting device.
- the ratio between the arrangement period of the external driving circuit and the arrangement period of the third light emitting devices is greater than or equal to 1/2 and less than or equal to 9/10.
- the first light-emitting device includes a first anode layer disposed on the base substrate
- the third light-emitting device includes a second anode layer disposed on the base substrate;
- the ratio between the area of the orthographic projection on the base substrate and the area of the orthographic projection of the first anode layer on the base substrate is smaller than the area of the orthographic projection of the third drive circuit on the base substrate
- the orthographic projection of the first anode layer on the base substrate covers the orthographic projection of the first driving circuit on the base substrate.
- the first display area is divided into two sub-areas, wherein the light-emitting devices in one sub-area are all first light-emitting devices, and the light-emitting devices in the other sub-area are all second light-emitting devices.
- multiple first light emitting devices are provided, multiple second light emitting devices are provided, multiple first light emitting devices form multiple first light emitting device groups, and multiple second light emitting devices form multiple second light emitting device groups.
- a light emitting device group, a plurality of first light emitting device groups and a plurality of second light emitting device groups are arranged alternately, the first light emitting device group includes at least one row of first light emitting devices, and the second light emitting device group includes at least one row of second light emitting device groups Light emitting devices.
- the first light emitting device includes a green light emitting device and/or a blue light emitting device;
- the second light emitting device includes at least one of the following: a green light emitting device, a blue light emitting device and a red light emitting device.
- the first light emitting device includes a red light emitting device and/or a blue light emitting device;
- the second light emitting device includes at least one of the following: a green light emitting device, a blue light emitting device and a red light emitting device.
- the first light emitting device includes a green light emitting device and/or a red light emitting device
- the second light emitting device includes at least one of the following: a green light emitting device, a blue light emitting device and a red light emitting device.
- the number of the first light emitting devices is greater than or equal to the number of the second light emitting devices.
- the second light-emitting device includes a first-color light-emitting device, a second-color light-emitting device, and a third-color light-emitting device
- the wire connecting the first-color light-emitting device and the second driving circuit is the first A lead wire
- the lead wire connecting the light-emitting device of the second color and the second driving circuit is the second lead wire
- the lead wire connecting the light-emitting device of the third color and the second driving circuit is the third lead wire
- the first light emitting device includes a first color light emitting device
- the second light emitting device includes a second color light emitting device and a third color light emitting device
- the first color light emitting device, the second color light emitting device The two-color light-emitting device and the third-color light-emitting device are configured to emit light of different colors.
- the first light emitting device includes a green light emitting device
- the second light emitting device includes a red light emitting device and a blue light emitting device.
- the lead wires include a first conductive wire and a second conductive wire, the first conductive wire is connected to the light emitting device of the second color, and the second conductive wire is connected to the light emitting device of the third color.
- the signal line connected to the first driving circuit includes a first line segment and a second line segment, the first line segment is connected to the second line segment, and the first line segment is located in the first display area Inside, the second line segment is located in the second display area, the material of the first line segment includes a transparent conductive material, and the material of the second line segment includes a metal material.
- the material of the lead wire is a transparent conductive material, and the lead wire and the first line segment are respectively located in different film layers.
- the display panel further includes a plurality of signal lines connected to the first driving circuit, wherein at least one signal line in the plurality of signal lines is arranged in segments.
- the segmented signal lines include a plurality of signal portions located on different layers.
- the segmented signal line includes a first signal portion and a second signal portion
- the material of the first signal portion includes transparent conductive metal oxide
- the material of the second signal portion includes metal
- the first display area includes a driving circuit setting area and a wiring area
- the first signal part is located in the driving circuit setting area
- the second signal part is located in the wiring area.
- the display panel further includes a light emission control signal line, a reset control signal line, and a reset signal line
- the pixel circuit includes a driving module, a light emission control circuit, and a reset circuit
- the pixel circuit includes the first driving circuit
- the At least one of the second drive circuit and the third drive circuit the light emission control signal line is connected to the control terminal of the light emission control circuit
- the reset control signal line is connected to the control terminal of the reset circuit
- the reset signal line is connected to the first pole of the reset circuit
- at least one of the light emission control signal line, the reset control signal line, and the reset signal line is arranged in sections in the first display area.
- the reset circuit includes a first reset transistor and a second reset transistor, the first reset transistor is configured to reset the control terminal of the driving module, and the second reset transistor is configured to reset the control terminal of the light emitting device.
- the first electrode is reset
- the light emitting device includes at least one of the first light emitting device, the second light emitting device, and the third light emitting device, and in the same pixel circuit located in the first display area, The first reset transistor and the second reset transistor share the same reset signal line.
- the layout of the second driving circuit and the third driving circuit are the same, and the layout of the first driving circuit is different from that of the second driving circuit or the third driving circuit.
- the first drive circuit includes a drive transistor, a first reset transistor, a second reset transistor, a data writing transistor, and a threshold compensation transistor
- the first pole of the first reset transistor is electrically connected to the first reset signal line
- the second pole of the first reset transistor is electrically connected to the gate of the drive transistor
- the first pole of the second reset transistor is electrically connected to the second reset signal line
- the second pole of the second reset transistor The electrode is connected to the first light-emitting device
- the first electrode of the data writing transistor is electrically connected to the first electrode of the driving transistor
- the second electrode of the data writing transistor is configured to be connected to the data line
- the first pole of the threshold compensation transistor is electrically connected to the second pole of the driving transistor
- the second pole of the threshold compensation transistor is electrically connected to the gate of the driving transistor
- the first reset signal line and the The second reset signal line is the same reset signal line.
- the gate of the second reset transistor, the gate of the data writing transistor, and the gate of the threshold compensation transistor are all connected to the same gate signal line.
- the pixel density of the first display area is less than or equal to the pixel density of the second display area.
- the second display area surrounds the first display area.
- the present disclosure provides a display device, comprising: a photosensitive element and any one of the above display panels, where the orthographic projection of the photosensitive element on the display panel overlaps with the first display area.
- FIG. 1 is a schematic plan view of a display panel provided by an embodiment of the present disclosure.
- FIG. 2 is a schematic structural diagram of a third light emitting device and an external driving circuit in a display panel provided by an embodiment of the present disclosure.
- FIG. 3 is a schematic structural diagram of a third light emitting device and an external driving circuit in another display panel provided by an embodiment of the present disclosure.
- FIG. 4 is a schematic cross-sectional structure diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 5 is a schematic diagram of a plane structure comparing a first display area and a second display area provided by an embodiment of the present disclosure.
- FIG. 6 is a schematic plan view of another comparison of the first display area and the second display area provided by an embodiment of the present disclosure.
- FIG. 7 is a schematic cross-sectional structure diagram of a signal line in a display panel provided by an embodiment of the present disclosure.
- FIG. 8 is a schematic structural diagram of a pixel circuit in a display panel provided by an embodiment of the present disclosure.
- FIG. 9 is a schematic diagram of a display panel adopting a fully built-in solution.
- FIG. 10 is a schematic diagram of a display panel adopting an all-exterior solution.
- FIG. 11 is a schematic diagram of lead wires in a display panel adopting an all-exterior solution.
- Fig. 12 is a schematic diagram of a display panel using a compression scheme and a built-in scheme provided by an embodiment of the present disclosure.
- FIG. 13 is a schematic diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 14 is a schematic diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 15 is a schematic diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 16 is a layout diagram of a pixel circuit located in a second display area in a display panel provided by an embodiment of the present disclosure.
- Fig. 17 is a layout diagram of a pixel circuit located in a first display area in a display panel provided by an embodiment of the present disclosure.
- FIG. 18 is a layout diagram of pixel circuits located in the first display area and the second display area in the display panel provided by an embodiment of the present disclosure.
- FIG. 19 is a cross-sectional view along line B1-B2 of FIG. 18 .
- FIG. 20 is a plan view of the active layer in FIG. 16 .
- FIG. 21 is a plan view of the first conductive layer in FIG. 16 .
- FIG. 22 is a plan view of the second conductive layer in FIG. 16 .
- FIG. 23 is a plan view of the third conductive layer in FIG. 16 .
- FIG. 24 is a plan view of the fourth conductive layer in FIG. 16 .
- FIG. 25 is a stacked plan view of the active layer and the first conductive layer in FIG. 16 .
- FIG. 26 is a stacked plan view of the active layer, the first conductive layer, and the second conductive layer in FIG. 16 .
- FIG. 27 is a stacked plan view of the third conductive layer and the fourth conductive layer in FIG. 16 .
- FIG. 28 is a stacked plan view of via holes in the third conductive layer, the fourth conductive layer and the insulating layer therebetween in FIG. 16 .
- FIG. 29 is a stacked plan view of the active layer, the third conductive layer, the fourth conductive layer, and the via hole in the insulating layer between the third conductive layer and the fourth conductive layer in FIG. 16 .
- Figure 30 is the active layer, the third conductive layer, the fourth conductive layer, the via hole in the insulating layer between the active layer and the third conductive layer in Figure 16, and the via hole in the third conductive layer and the fourth conductive layer Stack-up plan view of a via in the insulating layer between layers.
- FIG. 31 is a plan view of an active layer in a first display region of a display panel provided by an embodiment of the present disclosure.
- FIG. 32 is a plan view of a first conductive layer in a first display region of a display panel provided by an embodiment of the present disclosure.
- FIG. 33 is a plan view of the second conductive layer in the first display area of the display panel provided by an embodiment of the present disclosure.
- FIG. 34 is a plan view of a third conductive layer in a first display area of a display panel provided by an embodiment of the present disclosure.
- FIG. 35 is a plan view of the fourth conductive layer in the first display area of the display panel provided by an embodiment of the present disclosure.
- Fig. 36 is a plan view of the transparent conductive layer in the first display area of the display panel provided by an embodiment of the present disclosure.
- FIG. 37A is a schematic diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 37B is a layout diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 38 is a plan view of an active layer LY0 in a display panel provided by an embodiment of the present disclosure.
- FIG. 39 is a plan view of a first conductive layer LY1 in a display panel provided by an embodiment of the present disclosure.
- FIG. 40 is a plan view of a second conductive layer LY2 in a display panel provided by an embodiment of the present disclosure.
- FIG. 41 is a plan view of a third conductive layer LY3 in a display panel provided by an embodiment of the present disclosure.
- FIG. 42 is a plan view of a fourth conductive layer LY4 in a display panel provided by an embodiment of the present disclosure.
- FIG. 43 is a plan view of a transparent conductive layer LYa in a display panel provided by an embodiment of the present disclosure.
- FIG. 44 is a plan view of a transparent conductive layer LYb in a display panel provided by an embodiment of the present disclosure.
- FIG. 45 is a stacked plan view of an active layer LY0 and a first conductive layer LY1 in a display panel provided by an embodiment of the present disclosure.
- FIG. 46 is a stacked plan view of an active layer LY0 , a first conductive layer LY1 , and a second conductive layer LY2 in a display panel provided by an embodiment of the present disclosure.
- FIG. 47 is a stacked plan view of the active layer LY0 , the first conductive layer LY1 , the second conductive layer LY2 , and the third conductive layer LY3 in the display panel provided by an embodiment of the present disclosure.
- FIG. 48 is a stacked plan view of the active layer LY0 , the first conductive layer LY1 , the second conductive layer LY2 , the third conductive layer LY3 , and the fourth conductive layer LY4 in the display panel provided by an embodiment of the present disclosure.
- the fourth conductive layer LY4 is a stack of the active layer LY0, the first conductive layer LY1, the second conductive layer LY2, the third conductive layer LY3, the fourth conductive layer LY4, and the transparent conductive layer LYa in the display panel provided by the embodiment of the present disclosure. floor plan.
- FIG. 50 is a schematic plan view of a display panel provided by an embodiment of the present disclosure.
- FIG. 51 is a schematic diagram of a partial planar structure of a display panel provided by an embodiment of the present disclosure.
- FIG. 52 is a schematic plan view of a display panel provided by an embodiment of the present disclosure.
- FIG. 53 is a schematic diagram of a partial planar structure of a display panel provided by an embodiment of the present disclosure.
- the driving signals for controlling the light-emitting devices to emit light are drawn out from parallel pixel circuits in the horizontal direction, and the leads for transmitting the driving signals are made of transparent conductive materials.
- embodiments of the present disclosure provide a display panel and a display device including the display panel, which will be described in detail below.
- FIG. 1 is a schematic plan view of a display panel provided by an embodiment of the present disclosure.
- An embodiment of the present disclosure provides a display panel, as shown in FIG. 1 , including a first display area 11 and a second display area 12 , the transmittance of the first display area 11 is greater than that of the second display area 12 .
- the second display area 12 is located on at least one side of the first display area 11 .
- Embodiments of the present disclosure are described by taking the second display area 12 surrounding the first display area 11 as an example.
- the first display area 11 includes a plurality of built-in light emitting devices 13 and at least one first driving circuit 14, the plurality of built-in light emitting devices 13 includes a first light emitting device 131 and a second light emitting device 132, and the first driving circuit 14 is connected to the first light emitting device 131, and the first driving circuit 14 is configured to drive the first light emitting device 131 to emit light.
- the first driving circuit 14 may also be referred to as a built-in driving circuit.
- the second display area 12 includes at least one third light emitting device 15 and a plurality of external drive circuits 16, and the plurality of external drive circuits 16 include a second drive circuit 161 and a third drive circuit 162.
- the driving circuit 161 is connected to the second light-emitting device 132 through the wire 17, the second driving circuit 161 is configured to drive the second light-emitting device 132 to emit light, the third driving circuit 162 is connected to the third light-emitting device 15, and the third driving circuit 162 is configured to To drive the third light emitting device 15 to emit light.
- built-in and external can be relative to the first display area 11, and the light-emitting device located in the first display area 11 can be called a built-in light-emitting device (the built-in light-emitting device as shown in FIG. 1 13)
- the driving circuit located in the first display area 11 may be called a built-in driving circuit (the first driving circuit 14 shown in FIG. 1 ).
- the driving circuit can be divided into an in-situ driving circuit and an ex-situ driving circuit.
- the second driving circuit 161 and the second light emitting device 132 are disposed separately and located in the second display area 12 and the first display area 11 respectively, so the second driving circuit 161 can be called an ex-situ driving circuit.
- both the third driving circuit 162 and the third light emitting device 15 are located in the second display area 12 , so the third driving circuit 162 can be called an in-situ driving circuit.
- both the first light emitting device 131 and the first driving circuit 14 are located in the first display area 11 , so the first driving circuit 14 can be called an in-situ driving circuit.
- the direction connecting the second light emitting device 132 and the second driving circuit 161 is defined as a first direction X, as shown in FIG. 1 .
- the second display area 12 is located on at least one side of the first display area 11 along the first direction X. As shown in FIG. Optionally, the second display area 12 may surround the first display area 11 .
- the first light emitting device 131 , the second light emitting device 132 and the third light emitting device 15 may all be organic light emitting devices or quantum dot light emitting devices, which are not limited in this embodiment of the present disclosure.
- the shape of the first display area 11 may be a rectangle, a square, a circle or an ellipse, which is not limited in this embodiment of the present disclosure.
- the display panel provided by the embodiments of the present disclosure, by disposing the first drive circuit 14 connected to the first light emitting device 131 in the first display area 11, the number of wires 17 connecting the built-in light emitting device 13 and the external drive circuit 16 can be reduced. Quantity, so as to reduce the diffraction effect caused by the lead wire 17, and improve the image quality; the length of the lead wire 17 can also be shortened, thereby reducing the coupling capacitance caused by the lead wire 17, and improving the display uniformity of the first display area 11.
- the second driving circuit 161 connected to the second light emitting device 132 in the second display area 12 the transmittance of the first display area 11 can be improved.
- the length of the lead wires 17 can be shortened by optimizing the design, the coupling capacitance is reduced, and the influence of the coupling capacitance on the turn-on voltage is reduced, thereby improving display uniformity.
- reducing the number of leads 17 can also increase process stability.
- the display panel and the display device provided by the embodiments of the present disclosure can reduce the number of leads connecting the built-in light-emitting device and the external drive circuit by arranging the first drive circuit connected to the first light-emitting device in the first display area, thereby reducing the The diffraction effect caused by the lead wires improves the picture quality; the length of the lead wires can also be shortened, thereby reducing the coupling capacitance caused by the lead wires and improving the display uniformity of the first display area; in addition, by setting the second drive circuit connected to the second light-emitting device In the second display area, the transmittance of the first display area can be improved.
- the number of the third light emitting devices 15 may be multiple.
- the external drive circuit 16 and the third light emitting device 15 may be arranged periodically.
- the arrangement period of the external driving circuit 16 and the arrangement period of the third light emitting devices 15 may be the same or different.
- FIG. 2 is a schematic structural diagram of a third light emitting device and an external driving circuit in a display panel provided by an embodiment of the present disclosure.
- the arrangement period p2 of the external driving circuit 16 is the same as the arrangement period p1 of the third light emitting device 15 , for example, both are 31.6 ⁇ m.
- the arrangement period p2 of the external driving circuit 16 is shorter than the arrangement period p1 of the third light emitting devices 15 .
- FIG. 3 is a schematic structural diagram of a third light emitting device and an external driving circuit in another display panel provided by an embodiment of the present disclosure.
- the arrangement periods of the external drive circuit 16 and the third light emitting devices 15 in the first direction X are different.
- the arrangement period p2 of the external driving circuit 16 is, for example, 27.6 ⁇ m
- the arrangement period p1 of the third light emitting device 15 is 31.6 ⁇ m.
- the arrangement period p1 of the third light emitting devices 15 is 4 ⁇ m wider than the arrangement period p2 of the external driving circuit 16 in the first direction X.
- the arrangement period p2 of the external driving circuit 16 and the arrangement period p1 of the third light emitting devices 15 are not limited to the above description.
- the external drive circuit 16 can be greater than the number of third light-emitting devices 15, to ensure that each third light-emitting device 15 has a corresponding external drive circuit 16, that is, the third drive circuit 162 is connected to ensure the normal display of the second display area 12, and also There is an external drive circuit 16 not connected to any third light emitting device 15, that is, a second drive circuit 161, and the second drive circuit 161 can be connected to the second light emitting device 132 of the first display area 11 for driving the first display The second light emitting device 132 in the region 11.
- the second driving circuit 161 connected to the second light-emitting device 132 can be arranged in the second display area 12, so that the transmittance of the first display area 11 can be improved, and at the same time, the second driving circuit 161 can be ensured.
- a display area 11 has high display uniformity.
- the arrangement period p1 of the third light-emitting devices 15 in the first direction X is 31.6 ⁇ m
- the external drive circuit 16 is in the first direction X
- the arrangement period p2 on X is 27.6 ⁇ m.
- 48 redundant second driving circuits 161 need to be set in the second display area 12 to control these first light emitting devices.
- the second light-emitting device 132 emits light. Therefore, a total space of 48*27.6 ⁇ m needs to be compressed to set up 48 redundant second drive circuits 161.
- each third light-emitting device 15 can compress a space of 4 ⁇ m, a corresponding The number of the third light emitting devices 15 is 48*27.6 ⁇ m/4 ⁇ m, which is 332 after rounding. That is, 332 third driving circuits 162 and 48 second driving circuits 161 can be arranged in a space of 332*31.6 ⁇ m. Among them, 332 third driving circuits 162 are used to drive 332 third light emitting devices 15 in the second display area 12 to emit light, and 48 second driving circuits 161 are used to drive 48 second light emitting devices in the first display area 11. Device 132 emits light.
- the ratio between the arrangement period p2 of the external drive circuit 16 and the arrangement period p1 of the third light-emitting devices 15 may be greater than or equal to 1/2 and less than or equal to 9/10. There is no limit to this.
- the ratio may be 2/3, 3/4, 4/5, 5/6, 6/7, 7/8, 8/9, and so on. As shown in FIG. 3 , the ratio between the arrangement period p2 of the external driving circuit 16 and the arrangement period p1 of the third light emitting devices 15 is 4/5.
- the arrangement period may refer to a pitch (Pitch).
- the arrangement period p2 of the external driving circuits 16 refers to the pitch of the external driving circuits 16 .
- the arrangement period p1 of the third light emitting devices 15 refers to the pitch of the arrangement period p1 of the third light emitting devices 15 .
- the arrangement period p1 may be a fixed value, and the arrangement period p2 may be a fixed value.
- the arrangement period p1 can be different values, and the arrangement period p2 can be different values.
- FIG. 4 is a schematic cross-sectional structure diagram of a display panel provided by an embodiment of the present disclosure.
- the first light-emitting device 131 may include a first anode layer 41 disposed on the base substrate 40 , and may also include a first light-emitting layer 42 disposed on the side of the first anode layer 41 away from the base substrate 40 and the first cathode layer 43 , the first light emitting layer 42 is disposed between the first anode layer 41 and the first cathode layer 43 .
- the first driving circuit 14 may be disposed on a side of the first anode layer 41 close to the base substrate 40 , that is, disposed between the base substrate 40 and the first anode layer 41 .
- the third light emitting device 15 may include a second anode layer 44 disposed on the base substrate 40 , and may also include a second light emitting layer 45 disposed on the side of the second anode layer 44 away from the base substrate 40 and the second cathode layer 46 , the second light emitting layer 45 is disposed between the second anode layer 44 and the second cathode layer 46 .
- the third driving circuit 162 may be disposed on a side of the second anode layer 44 close to the base substrate 40 , that is, disposed between the base substrate 40 and the second anode layer 44 .
- FIG. 5 is a schematic diagram of a plane structure comparing a first display area and a second display area provided by an embodiment of the present disclosure.
- the area between the orthographic projection area of the first drive circuit 14 on the base substrate 40 and the orthographic projection area of the first anode layer 41 on the base substrate 40 The ratio of is smaller than the ratio between the area of the orthographic projection of the third driving circuit 162 on the base substrate 40 and the area of the orthographic projection of the second anode layer 44 on the base substrate 40 .
- Orthographic projection areas of the second driving circuit 161 and the third driving circuit 162 on the base substrate 40 may be the same.
- the first drive circuit 14 when the area of the orthographic projection of the first anode layer 41 on the base substrate 40 is equal to the area of the orthographic projection of the second anode layer 44 on the base substrate 40 , the first drive circuit 14 The area of the orthographic projection on the base substrate 40 is smaller than the area of the orthographic projection of the third driving circuit 162 on the base substrate 40 .
- the driving circuit in the first display area 11 that is, the compression ratio of the first driving circuit 14 relative to the first anode layer 41 is larger. Since the driving circuit usually includes multiple metal layers, the transmittance is relatively poor. In this implementation, by rationally designing the positional relationship between the first anode layer 41 and the first driving circuit 14, the impact of the first driving circuit 14 on the The influence of the aperture ratio of the first display region 11 increases the aperture ratio of the first display region 11 .
- FIG. 6 is a schematic plan view of another comparison of the first display area and the second display area provided by an embodiment of the present disclosure.
- the orthographic projection of the first anode layer 41 on the base substrate 40 may cover the orthographic projection of the first driving circuit 14 on the base substrate 40 . Since the transmittance of the driving circuit is poor, the transmittance of the first display region 11 can be further improved by setting the first anode layer 41 to completely cover the first driving circuit 14 .
- the first anode layer 41 may also be referred to as a first electrode of the first light emitting device 131
- the first cathode layer 43 may also be referred to as a second electrode of the first light emitting device 131
- the second anode layer 44 can also be called the first electrode of the third light emitting device 15
- the second cathode layer 46 can also be called the second electrode of the third light emitting device 15 .
- the first light-emitting device 131 may include one or more of green light-emitting devices, blue light-emitting devices, red light-emitting devices, and white light-emitting devices, which are not discussed in this embodiment of the present disclosure. limited.
- the built-in light emitting devices 13 in the first display area 11 except the first light emitting device 131 may all be the second light emitting devices 132 .
- the second light emitting device 132 may include one or more of a green light emitting device, a blue light emitting device, a red light emitting device and a white light emitting device, which are not limited in this embodiment of the present disclosure.
- the first light emitting device 131 includes a green light emitting device and/or a blue light emitting device.
- the first light emitting device 131 may include a green light emitting device, or a blue light emitting device, or a green light emitting device and a blue light emitting device.
- the first light emitting device 131 includes a red light emitting device and/or a blue light emitting device.
- the first light emitting device 131 may include a red light emitting device, or a blue light emitting device, or a red light emitting device and a blue light emitting device.
- the first light emitting device 131 includes a green light emitting device and/or a red light emitting device.
- the first light emitting device 131 may include a green light emitting device, or a red light emitting device, or a red light emitting device and a green light emitting device.
- the uniformity of the display image can be further improved.
- the anode area in the blue light emitting device is relatively large, when the first light emitting device 131 includes a blue light emitting device, the influence of the first driving circuit 14 connected to the blue light emitting device on the aperture ratio can be reduced, which helps to improve the first display. Transmittance in zone 11.
- the number of first light emitting devices 131 may be greater than or equal to the number of second light emitting devices 132 .
- the ratio between the number of first light-emitting devices 131 and the number of second light-emitting devices 132 can be greater than or equal to 1, that is, the built-in light-emitting devices that set the driving circuit in the first display area 11
- the ratio of the device 13 is relatively high, which can further reduce the number of leads and improve the picture quality.
- the ratio between the number of the first light-emitting devices 131 and the number of the second light-emitting devices 132 can be, for example, 2:1, 3:1, etc. The requirements are set, which is not limited in the embodiments of the present disclosure.
- all may be first light emitting devices 131 ; all may be second light emitting devices 132 ;
- the number of first light emitting devices 131 may be greater than or equal to the number of second light emitting devices 132, which can further reduce the number of leads and improve picture quality.
- the ratio between the number of first light emitting devices 131 and the number of second light emitting devices 132 can be, for example, 2:1, 3:1, etc., and the specific value can be based on The actual requirements are set, which is not limited in the embodiments of the present disclosure.
- the second light emitting device 132 includes a green light emitting device, a blue light emitting device and a red light emitting device
- the lead 17 connecting the green light emitting device and the second driving circuit 161 is a first lead, connected to The lead 17 connecting the red light emitting device and the second driving circuit 161 is the second lead
- the lead 17 connecting the blue light emitting device and the second driving circuit 161 is the third lead.
- a green light emitting device may be referred to as a first color light emitting device
- a red light emitting device may be referred to as a second color light emitting device
- a blue light emitting device may be referred to as a third color light emitting device.
- the light-emitting device of the first color is configured to emit light of the first color
- the light-emitting device of the second color is configured to emit light of the second color
- the light-emitting device of the third color is configured to emit light of the third color.
- the first color light is green light
- the second color light is red light
- the third color light is blue light, but not limited thereto, and can be selected according to needs.
- the first color light emitting device, the second color light emitting device and the third color light emitting device are configured to emit light of different colors.
- the area of the first lead may be smaller than or equal to the area of the second lead, and the area of the second lead may be smaller than or equal to the area of the third lead.
- the green light emitting device, the red light emitting device and the blue light emitting device are less sensitive to the coupling capacitance caused by the lead 17, by setting the area of the first lead to be smaller than or equal to the area of the second lead, the area of the second lead is smaller than Or equal to the area of the third lead, can reduce the influence of the coupling capacitance as a whole, further improve the display quality of the image, and improve the uniformity of the display image.
- the length of the first lead can be set to be less than or equal to the length of the second lead, and the length of the second lead can be set to be less than or equal to the third lead. The length of the lead.
- Fig. 7 is a schematic cross-sectional structure diagram of a signal line in a display panel provided by an embodiment of the present disclosure.
- the signal line 18 connected to the first drive circuit 14 includes a first line segment 181 and a second line segment 182 , the first line segment 181 and the second line segment 182 The line segments 182 are connected, the first line segment 181 is located in the first display area 11 , and the second line segment 182 is located in the second display area 12 .
- the first line segment 181 and the second line segment 182 may be disposed on different film layers, for example, an insulating layer may be disposed between the two, and the first line segment 181 and the second line segment 182 may be connected through vias disposed in the insulating layer, As shown in Figure 7.
- the first line segment 181 and the second line segment 182 may also be disposed on the same film layer, or connected by overlapping, which is not limited in this embodiment of the present disclosure.
- the signal line 18 can be, for example, a gate signal line (such as the first scanning signal line Ga1 or the second scanning signal line Ga2 in FIG. 8 ), an emission control signal line (such as the first emission control signal line EM1 or the second scanning signal line in FIG. Two light emission control signal lines EM2), data signal lines (such as the data line Vd in Figure 8), reset control signal lines (such as the first reset control signal line Rst1 or the second reset control signal line Rst2 in Figure 8), power supply Signal line, reset signal line, etc.
- a gate signal line such as the first scanning signal line Ga1 or the second scanning signal line Ga2 in FIG. 8
- an emission control signal line such as the first emission control signal line EM1 or the second scanning signal line in FIG. Two light emission control signal lines EM2
- data signal lines such as the data line Vd in Figure 8
- reset control signal lines such as the first reset control signal line Rst1 or the second reset control signal line Rst2 in Figure 8
- power supply Signal line reset signal line, etc.
- the material of the first line segment 181 may be a transparent conductive material.
- the material of the second line segment 182 may be a metal material.
- the transparent conductive material can be metal, metal oxide, inorganic material, organic material or composite material, etc.
- the transparent conductive material may be indium tin oxide (Indium Tin Oxide, ITO), indium zinc oxide (Indium Zinc Oxide, IZO), carbon nanotubes, nano silver or graphene, etc., which are not limited in the embodiments of the present disclosure. .
- the material of the lead 17 can be ITO.
- the material of the first line segment 181 can be ITO or nano-silver. Since the square resistance of nano silver is low and the transmittance is high, when nano silver is used as the material of the first line segment 181, the resistance of the first line segment 181 can be reduced, and the transmittance of the first display area 11 can be improved. Rate.
- the leads 17 and the first line segment 181 are respectively located in different film layers.
- the wiring space can be increased, thereby helping to realize the first display area 11 with high pixel density.
- an insulating material may be disposed between the lead wire 17 and the first line segment 181 .
- FIG. 7 takes an example where the film layer where the lead wire 17 is located is closer to the substrate. However, it is not limited thereto. In other implementations, the film layer where the first line segment 181 is located may be closer to the film layer where the lead wire 17 is located. Substrate substrate.
- the pixel density of the first display area 11 is less than or equal to the pixel density of the second display area 12.
- pixel density refers to the number of light emitting devices disposed per inch.
- the circuit structures of the first driving circuit 14 , the second driving circuit 161 and the third driving circuit 162 may be the same or different, which is not limited in the embodiments of the present disclosure.
- FIG. 8 is a schematic structural diagram of a pixel circuit in a display panel provided by an embodiment of the present disclosure.
- at least one of the first driving circuit 14 , the second driving circuit 161 and the third driving circuit 162 is a pixel circuit 221 as shown in FIG. 8 .
- the light emitting device 220 in FIG. 8 may be the first light emitting device 131 , the second light emitting device 132 or the third light emitting device 15 .
- the light emitting device 220 may be an organic light emitting device, but is not limited thereto.
- the pixel circuit 221 includes a first light emission control circuit 223 , a second light emission control circuit 224 and a driving module 222 .
- the driving module 222 includes a control terminal, a first terminal and a second terminal, and is configured to provide a driving current for driving the light emitting device 220 to emit light.
- the first lighting control circuit 223 is connected to the first terminal of the driving module 222 and the first voltage terminal VDD, and is configured to enable or disable the connection between the driving module 222 and the first voltage terminal VDD
- the second The lighting control circuit 224 is electrically connected to the second terminal of the driving module 222 and the first electrode of the light emitting device 220 , and is configured to realize the connection between the driving module 222 and the light emitting device 220 to be turned on or off.
- the pixel circuit 221 further includes a data writing circuit 226 , a storage circuit 227 , a threshold compensation circuit 228 and a reset circuit 229 .
- the data writing circuit 226 is electrically connected to the first end of the driving module 222, and is configured to write the data signal into the storage circuit 227 under the control of the scan signal; the storage circuit 227 is connected to the control terminal of the driving module 222 and the first voltage respectively.
- the terminal VDD is electrically connected, and is configured to store data signals;
- the threshold compensation circuit 228 is electrically connected to the control terminal and the second end of the driving module 222, and is configured to perform threshold compensation on the driving module 222;
- the reset circuit 229 and the driving module 222 The control terminal of the drive module 222 is electrically connected to the first electrode of the light emitting device 220, and is configured to reset the control terminal of the driving module 222 and the first electrode of the light emitting device 220 under the control of the reset control signal.
- the driving module 222 includes a driving transistor T1
- the control terminal of the driving module 222 includes the gate of the driving transistor T1
- the first end of the driving module 222 includes the first pole of the driving transistor T1
- the driving module 222 The second end includes a second pole of the driving transistor T1.
- the data writing circuit 226 includes a data writing transistor T2
- the storage circuit 227 includes a capacitor C
- the threshold compensation circuit 228 includes a threshold compensation transistor T3
- the first light emission control circuit 223 includes a first light emission control transistor T4.
- the second light emission control circuit 224 includes a second light emission control transistor T5
- the reset circuit 229 includes a first reset transistor T6 and a second reset transistor T7
- the reset control signal may include a first reset control signal and a second reset control signal.
- the first pole of the data writing transistor T2 is electrically connected to the first pole of the driving transistor T1, and the second pole of the data writing transistor T2 is configured to be electrically connected to the data line Vd to receive the data signal
- the gate of the data writing transistor T2 is configured to be electrically connected to the first scanning signal line Ga1 to receive the scanning signal; the first electrode Cb of the capacitor C is electrically connected to the first power supply terminal VDD, and the second electrode Ca of the capacitor C is electrically connected to the first power supply terminal VDD.
- the gate of the driving transistor T1 is electrically connected; the first pole of the threshold compensation transistor T3 is electrically connected to the second pole of the driving transistor T1, the second pole of the threshold compensation transistor T3 is electrically connected to the gate of the driving transistor T1, and the threshold compensation transistor T3
- the gate of the first reset transistor T6 is configured to be electrically connected to the second scanning signal line Ga2 to receive the compensation control signal; the first pole of the first reset transistor T6 is configured to be electrically connected to the first reset power supply terminal Vinit1 to receive the first reset signal.
- the second pole of a reset transistor T6 is electrically connected to the gate of the driving transistor T1, and the gate of the first reset transistor T6 is configured to be electrically connected to the first reset control signal line Rst1 to receive the first reset control signal; the second reset The first pole of the transistor T7 is configured to be electrically connected to the second reset power supply terminal Vinit2 to receive the second reset signal, the second pole of the second reset transistor T7 is electrically connected to the first electrode of the light emitting device 220, and the second reset transistor T7
- the gate of the first light emission control transistor T4 is electrically connected to the first power supply terminal VDD, and the first electrode of the first light emission control transistor T4 is electrically connected to the second reset control signal line Rst2 to receive the second reset control signal.
- the second pole is electrically connected to the first pole of the driving transistor T1, and the gate of the first light emission control transistor T4 is configured to be electrically connected to the first light emission control signal line EM1 to receive the first light emission control signal; the second light emission control transistor T5
- the first pole of the second light emission control transistor T1 is electrically connected to the second pole of the driving transistor T1
- the second pole of the second light emission control transistor T5 is electrically connected to the first electrode of the light emitting device 220
- the gate of the second light emission control transistor T5 is configured to be connected to the first electrode of the second light emission control transistor T5.
- the two light emission control signal lines EM2 are electrically connected to receive the second light emission control signal
- the second electrode of the light emitting device 220 is electrically connected to the second power supply terminal VSS.
- the light emitting device 220 includes an organic light emitting element, but is not limited thereto, and the type of the light emitting device 220 can be determined according to needs.
- one of the first power supply terminal VDD and the second power supply terminal VSS is a high-voltage terminal, and the other is a low-voltage terminal.
- the first power supply terminal VDD is a voltage source to output a constant first voltage
- the first voltage is a positive voltage
- the second power supply terminal VSS can be a voltage source to output a constant first voltage.
- Two voltages, the second voltage is a negative voltage, etc.
- the second power supply terminal VSS may be grounded.
- the scan signal and the compensation control signal can be the same, that is, the gate of the data writing transistor T2 and the gate of the threshold compensation transistor T3 can be electrically connected to the same signal line, such as the first scan signal line Ga1 to receive the same signal (for example, a scan signal), at this time, the display panel (display substrate) may not be provided with the second scan signal line Ga2, reducing the number of signal lines.
- the gate of the data writing transistor T2 and the gate of the threshold compensation transistor T3 may also be electrically connected to different signal lines, that is, the gate of the data writing transistor T2 is electrically connected to the first scanning signal line Ga1, and the threshold The gate of the compensation transistor T3 is electrically connected to the second scanning signal line Ga2, and the signals transmitted by the first scanning signal line Ga1 and the second scanning signal line Ga2 are the same.
- the scanning signal and the compensation control signal may also be different, so that the gate of the data writing transistor T2 and the threshold compensation transistor T3 can be controlled separately, increasing the flexibility of controlling the pixel circuit.
- the first light emission control signal and the second light emission control signal may be the same, that is, the gate of the first light emission control transistor T4 and the gate of the second light emission control transistor T5 may be electrically connected to the same signal Lines, for example, are electrically connected to the first light emission control signal line EM1 to receive the same signal (for example, the first light emission control signal), at this time, the display panel (display substrate) may not be provided with the second light emission control signal line EM2, Reduce the number of signal lines.
- the gate of the first light emission control transistor T4 and the gate of the second light emission control transistor T5 may also be electrically connected to different signal lines, that is, the gate of the first light emission control transistor T4 is electrically connected to the first light emission control transistor T5.
- the control signal line EM1 the gate of the second light emission control transistor T5 is electrically connected to the second light emission control signal line EM2, and the signals transmitted by the first light emission control signal line EM1 and the second light emission control signal line EM2 are the same.
- first light emission control transistor T4 and the second light emission control transistor T5 are transistors of different types, for example, the first light emission control transistor T4 is a P-type transistor, and the second light emission control transistor T5 is an N-type transistor.
- the first light emission control signal and the second light emission control signal may also be different, which is not limited in this embodiment of the present disclosure.
- the first reset control signal and the second reset control signal can be the same, that is, the gate of the first reset transistor T6 and the gate of the second reset transistor T7 can be electrically connected to the same signal line, such as the first reset control signal Line Rst1 to receive the same signal (for example, the first reset control signal), at this time, the display panel (display substrate) may not be provided with the second reset control signal line Rst2, reducing the number of signal lines.
- the gate of the first reset transistor T6 and the gate of the second reset transistor T7 may also be electrically connected to different signal lines, that is, the gate of the first reset transistor T6 is electrically connected to the first reset control signal line Rst1 , the gate of the second reset transistor T7 is electrically connected to the second reset control signal line Rst2, and the signals transmitted by the first reset control signal line Rst1 and the second reset control signal line Rst2 are the same. It should be noted that the first reset control signal and the second reset control signal may also be different.
- the second reset control signal may be the same as the scan signal, that is, the gate of the second reset transistor T7 may be electrically connected to the first scan signal line Ga1 to receive the scan signal as the second reset control signal.
- the first pole of the first reset transistor T6 and the first pole of the second reset transistor T7 are respectively connected to the first reset power supply terminal Vinit1 and the second reset power supply terminal Vinit2, and the first reset power supply terminal Vinit1 and the second reset power supply terminal Vinit2 can be a DC reference voltage terminal to output a constant DC reference voltage.
- the first reset power terminal Vinit1 and the second reset power terminal Vinit2 may be the same, for example, the first pole of the first reset transistor T6 and the first pole of the second reset transistor T7 are connected to the same reset power terminal.
- the first reset power supply terminal Vinit1 and the second reset power supply terminal Vinit2 can be high-voltage terminals or low-voltage terminals, as long as they can provide the first reset signal and the second reset signal to drive the gate of the transistor T1 and the light-emitting device 220. It only needs to reset the first electrode, which is not limited in the embodiments of the present disclosure.
- the specific structures of circuits such as 226 , storage circuit 227 , threshold compensation circuit 228 , and reset circuit 229 may be set according to actual application requirements, and are not specifically limited in this embodiment of the present disclosure.
- transistors can be divided into N-type transistors and P-type transistors.
- the embodiments of the present disclosure take the transistors as P-type transistors (for example, P-type MOS transistors) as an example to illustrate the details of the present disclosure in detail.
- the driving transistor T1, the data writing transistor T2, the threshold compensation transistor T3, the first light emitting control transistor T4, the second light emitting control transistor T5, the first reset transistor T6 and the second Both the reset transistor T7 and the like can be P-type transistors.
- the transistors in the embodiments of the present disclosure are not limited to P-type transistors, and those skilled in the art can use N-type transistors (for example, N-type MOS transistors) to realize the functions of one or more transistors in the embodiments of the present disclosure according to actual needs. .
- the transistors used in the embodiments of the present disclosure may be thin film transistors or field effect transistors or other switching devices with the same characteristics, and the thin film transistors may include oxide semiconductor thin film transistors, amorphous silicon thin film transistors or polysilicon thin film transistors, etc. .
- the source and drain of the transistor can be symmetrical in structure, so there can be no difference in the physical structure of the source and drain.
- the transistors except for the gate as the control electrode, it is directly described that one of them is the first electrode and the other is the second electrode, so the first electrode of all or part of the transistors in the embodiments of the present disclosure
- the first and second poles are interchangeable as desired.
- the pixel circuit of the sub-pixel can also be a structure including other numbers of transistors , such as a 7T2C structure, a 6T1C structure, a 6T2C structure or a 9T2C structure, which is not limited in embodiments of the present disclosure.
- FIG. 9 is a schematic diagram of a display panel adopting a fully built-in solution.
- FIG. 10 is a schematic diagram of a display panel adopting an all-exterior solution.
- FIG. 11 is a schematic diagram of lead wires in a display panel adopting an all-exterior solution.
- Fig. 12 is a schematic diagram of a display panel using a compression scheme and a built-in scheme provided by an embodiment of the present disclosure.
- FIG. 13 is a schematic diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 14 is a schematic diagram of a display panel provided by an embodiment of the present disclosure.
- the light emitting device 600 includes a first color light emitting device 601 , a second color light emitting device 602 and a third color light emitting device 603 .
- the pixel circuits PXC connected to the light emitting devices 600 in the first display area 11 are all built-in, that is, the pixel circuits PXC connected to the light emitting devices 600 in the first display area 11 are all located in the first display area 11.
- Display area 11 The all-built-in solution does not need to set the lead wires connecting the light-emitting device 600 and the pixel circuit PXC, and can achieve a large aperture, but the transmittance of the first display area 11 is low, for example, the transmittance is 12%, and it has glare diffraction. question.
- the pixel circuits PXC connected to the light-emitting devices 600 in the first display area 11 are all externally placed, that is, the pixel circuits PXC connected to the light-emitting devices 600 in the first display area 11 are all located in the first display area 11.
- Two display areas 12 The light emitting device 600 and the pixel circuit PXC in the first display area 11 are arranged separately.
- the light-emitting device 600 in the first display area 11 is connected to the pixel circuit PXC located in the second display area 12 through lead wires 17.
- the number of lead wires 17 is relatively large, and the length of the lead wires 17 is relatively long.
- the load on the leads is relatively large, and the lengths of the leads 17 vary greatly, which easily causes the problem of non-uniform display.
- FIG. 11 shows a schematic diagram of some leads in the display panel. As shown in FIG. 11 , the lengths of the lead wires 17 are large, and the lengths of the lead wires 17 vary greatly.
- the display panel provided by the embodiment of the present disclosure adopts a combination of a compression scheme and a built-in scheme, so that the first display area 11 can have a larger aperture and lower glare diffraction,
- the number of lead wires 17 in the display panel shown in FIG. 12 is about half less than the number of lead wires 17 in the display panel shown in FIG. 10 or FIG. Therefore, the length of the lead wires 17 is relatively small, and the length difference of the lead wires 17 is small, which is beneficial to improve display uniformity.
- the first light emitting device 131 includes a first color light emitting device 601
- the second light emitting device 132 includes a second color light emitting device 602 and a third color light emitting device 603, and the first color light emits light
- the device 601 , the second color light emitting device 602 and the third color light emitting device 603 are configured to emit light of different colors.
- the first light emitting device 131 includes a green light emitting device
- the second light emitting device 132 includes a red light emitting device and a blue light emitting device.
- G in FIG. 13 represents a green light emitting device (the first color light emitting device 601)
- R represents a red light emitting device (the second color light emitting device 602)
- B represents a blue light emitting device (the third color light emitting device 603) .
- the leads 17 include a first conductive wire 1701 and a second conductive wire 1702, the first conductive wire 1701 is connected to the light emitting device 602 of the second color, and the second conductive wire 1702 is connected to the light emitting device of the third color. 603 connected.
- the first conductive line 1701 is located on the first transparent conductive layer LYa, and the second conductive line 1702 is located on the second transparent conductive layer LYb.
- the first conductive lines 1701 and the second conductive lines 1702 are alternately arranged, but not limited thereto.
- the green light emitting device (first color light emitting device 601) is built in, that is, located in the first display area 11, the green light emitting device (first color light emitting device 601) is not provided Lead 17.
- the capacitance of the leads varies greatly. Due to the different lengths of the lead wires connecting the various light emitting devices located in the first display area 11, the capacitance difference of the light emitting devices emitting light of different colors changes differently. Compared with the capacitance difference between the lead wires connected to the red light emitting device and the capacitance difference of the lead wires connected to the blue light emitting device, the capacitance difference of the lead wires connected to the green light emitting device is larger. Because the capacitance difference of the leads connected to the green light emitting device is relatively large, the luminous time of the green light emitting device is reduced, so that the brightness of the display panel is different, resulting in poor display.
- the defect degree of the green light emitting device is greater than that of the red light emitting device, and the defect degree of the red light emitting device is greater than that of the blue light emitting device.
- the driving current for driving the blue light emitting device is greater than the driving current for driving the red light emitting device, and the driving current for driving the red light emitting device is greater than the driving current for driving the green light emitting device.
- the second driving circuit 161 is connected to the second light-emitting device 132 through wires 17 , and the area where the second driving circuit 161 is disposed can be called an auxiliary area 12 a (as shown in FIG. 14 ).
- an auxiliary area 12 a (as shown in FIG. 14 )
- a dummy pixel circuit DPXC not connected to the built-in light emitting device 13 and not connected to the third light emitting device 15 can be provided.
- the scheme of combining external and compression is illustrated.
- part of them is external to achieve high transparency and compatibility with display design.
- Some display panels for example, display panels with distance sensors need to have: large aperture, high transmittance, and less glare and diffraction problems.
- the pure external (full external) solution cannot solve the problem of large aperture in the first display area, reducing the number of film layers and the number of reticles.
- a large aperture is realized, which not only meets the requirements of transmittance but also meets the requirements of diffraction.
- the number of lead wires required is relatively large.
- 40 lead wires may need to be provided, thus three transparent conductive layers need to be provided.
- 20 lead wires need to be provided.
- two transparent conductive layers are provided.
- the lead wire arrangement is then completed, and the length of the lead wire is reduced by half.
- the pixel circuit connected to the green light emitting device is built in (placed in the first display area 11). area 11), and the pixel circuit connected to the red light emitting device and the blue light emitting device is externally placed (placed in the second display area 12), and the red sub-pixel and the blue sub-pixel are externally placed, that is, the pixel of the green sub-pixel Circuits are built in to improve display uniformity.
- FIG. 15 is a schematic diagram of a display panel provided by an embodiment of the present disclosure.
- the size of the light-emitting device 600 located in the first display area 11 is smaller than the size of the light-emitting device 600 located in the second display area 12, so as to improve the quality of the first display area 11. the transmittance.
- the transmittance of the first display area 11 can also be improved.
- a region between adjacent light emitting devices 600 includes a light-transmitting region R0. That is, in the first display region 11 , the pixel circuit, the light-transmitting region R0 is located in the region between adjacent light-emitting devices 600 .
- FIG. 15 shows the light emitting device 600 with a first electrode E1 of the light emitting device.
- a closed line frame within the first electrode E1 represents the light emitting region EMR of the light emitting device 600, and the light emitting region EMR corresponds to the opening OPN of the pixel definition layer.
- FIG. 16 is a layout diagram of a pixel circuit located in a second display area in a display panel provided by an embodiment of the present disclosure.
- FIG. 17 is a layout diagram of a pixel circuit located in a first display area in a display panel provided by an embodiment of the present disclosure.
- FIG. 18 is a layout diagram of pixel circuits located in the first display area and the second display area in the display panel provided by an embodiment of the present disclosure.
- 16 to 18 show the driving transistor T1, the data writing transistor T2, the threshold compensation transistor T3, the first light emission control transistor T4, the second light emission control transistor T5, the first reset transistor T6, the second light emission control transistor T5 included in the pixel circuit PXC.
- the transistor T7, the first pole Cb of the capacitor C, and the second pole Ca of the capacitor C are reset.
- the first scanning signal line Ga1 and the second scanning signal line Ga2 are the same signal line, that is, both are the gate signal line GA; the first reset control signal line Rst1 and the second reset control signal line Rst1
- the signal line Rst2 is the same signal line, that is, both the reset control signal line RST; the first light emission control signal line EM1 and the second light emission control signal line EM2 are the same signal line, that is, the same light emission control signal line EML.
- the display panel further includes a plurality of signal lines connected to the pixel circuit PXC (first driving circuit 14 ), at least one signal line in the plurality of signal lines is arranged in segments.
- FIG. 18 is illustrated by taking the first power line Vdd, the light emission control signal line EML, the reset control signal line RST, and the reset signal line INT2 all adopting segmented arrangement as an example.
- the reset signal line INT1 is connected to the first reset power supply terminal Vinit1, and the reset signal line INT2 is connected to the second reset power supply terminal Vinit2.
- the reset signal line INT2 is connected to the first reset power supply terminal Vinit1 or the second reset power supply terminal Vinit2 .
- the emission control signal line EML includes an emission control signal portion EMLa, an emission control signal portion EMLb, and an emission control signal portion EMLc.
- the light emission control signal part EMLa is located in the second display area 12
- the light emission control signal part EMLb and the light emission control signal part EMLc are located in the first display area
- the adjacent light emission control signal parts EMLc are connected through the light emission control signal part EMLb
- the light emission control signal part EMLa It is connected to the adjacent emission control signal portion EMLc via the emission control signal portion EMLb.
- the reset control signal line RST includes a reset control signal portion RSTa, a reset control signal portion RSTb, and a reset control signal portion RSTc.
- the reset control signal part RSTa is located in the second display area 12
- the reset control signal part RSTb and the reset control signal part RSTc are located in the first display area, and the adjacent reset control signal parts RSTc are connected through the reset control signal part RSTb, and the reset control signal part RSTa It is connected to the adjacent reset control signal part RSTc through the reset control signal part RSTb.
- the reset signal line INT2 includes a reset signal portion INTa, a reset signal portion INTb, and a reset signal portion INTc.
- the reset signal part INTa is located in the second display area 12
- the reset signal part INTb and the reset signal part INTc are located in the first display area, and the adjacent reset signal part INTc is connected through the reset signal part INTb, and the reset signal part INTa and the reset signal part INTa adjacent thereto are connected.
- the signal unit INTc is connected through the reset signal unit INTb.
- the segmented signal line includes a plurality of signal parts located in different layers.
- the segmented signal line includes a first signal portion and a second signal portion
- the material of the first signal portion includes transparent conductive metal oxide
- the material of the second signal portion includes metal .
- the reset signal portion INTc, the reset control signal portion RSTc, and the light emission control signal portion EMLc can be referred to as the first signal portion P1, the reset signal portion INTa, the reset signal portion INTb, the reset control signal portion RSTa, the reset control signal portion
- the signal part RSTb, the light emission control signal part EMLa, and the light emission control signal part EMLb may be referred to as a second signal part P2.
- the first signal part P1 and the second signal part P2 are not limited to the above description, and can be set as required.
- the first display area 11 includes a driving circuit setting area 1101 and a wiring area 1102 , the first signal part P1 is located in the driving circuit setting area 1101 , and the second signal part P2 is located in the wiring area 1102 .
- the display panel further includes an emission control signal line EML, a reset control signal line RST, and a reset signal line INT2
- the pixel circuit PXC includes a driving module 222, an emission control Circuit 223, light emission control circuit 224, and reset circuit 229
- the pixel circuit PXC includes at least one of the first drive circuit 14, the second drive circuit 161, and the third drive circuit 162
- the light emission control signal line EML and the light emission control circuit 223 The control terminal is connected to at least one of the control terminals of the light-emitting control circuit 224
- the reset control signal line RST is connected to the control terminal of the reset circuit 229
- the reset signal line INT2 is connected to the first pole of the reset circuit 229
- reset At least one of the control signal line RST and the reset signal line INT2 is arranged in segments in the first display area 11 .
- the reset circuit 229 includes a first reset transistor T6 and a second reset transistor T7, and the first reset transistor T6 is configured to control the control terminal of the drive module 222 Reset, the second reset transistor T7 is configured to reset the first electrode of the light emitting device 600, and the light emitting device 600 includes at least one of the first light emitting device 131, the second light emitting device 132, and the third light emitting device.
- the first reset transistor T6 and the second reset transistor T7 share the same reset signal line INT2 to be configured to provide the same reset signal.
- the light emitting device 600 is the light emitting device 220 in FIG. 8 .
- FIG. 17 shows the connection electrode CE1 , the connection electrode CE2 , and the connection electrode CE3 .
- one end of the connection electrode CE1 is connected to the reset signal line INT2
- the other end of the connection electrode CE1 is connected to the first pole of the second reset transistor T7
- one end of the connection electrode CE2 is connected to the second pole of the second reset transistor T7.
- the other end of the connection electrode CE2 is connected to the second electrode of the second light emission control transistor T5.
- one end of the connecting electrode CE3 is connected to the second electrode of the first reset transistor T6
- the other end of the connecting electrode CE3 is connected to the gate of the driving transistor T1 .
- the layout of the second driving circuit 161 and the third driving circuit 162 are the same, and the layout of the first driving circuit 14 is different from that of the second driving circuit 161 or the third driving circuit 162 .
- the layout of the first driving circuit 14 is adjusted to improve the transmittance of the first display area.
- FIG. 16 to 18 show the reset signal line INT1 and the reset signal line INT2.
- the reset signal line INT1 is connected to the first reset power terminal Vinit1
- the reset signal line INT2 is connected to the second reset power terminal Vinit2.
- FIG. 16 to FIG. 18 take the reset signal line INT as an example to illustrate the reset signal line INT1 and reset signal line INT2.
- FIG. 19 is a cross-sectional view along line B1-B2 of FIG. 18 .
- FIG. 20 is a plan view of the active layer in FIG. 16 .
- FIG. 21 is a plan view of the first conductive layer in FIG. 16 .
- FIG. 22 is a plan view of the second conductive layer in FIG. 16 .
- FIG. 23 is a plan view of the third conductive layer in FIG. 16 .
- FIG. 24 is a plan view of the fourth conductive layer in FIG. 16 .
- FIG. 25 is a stacked plan view of the active layer and the first conductive layer in FIG. 16 .
- FIG. 26 is a stacked plan view of the active layer, the first conductive layer, and the second conductive layer in FIG. 16 .
- FIG. 20 is a plan view of the active layer in FIG. 16 .
- FIG. 21 is a plan view of the first conductive layer in FIG. 16 .
- FIG. 22 is a plan view of the second conductive layer in
- FIG. 27 is a stacked plan view of the third conductive layer and the fourth conductive layer in FIG. 16 .
- FIG. 28 is a stacked plan view of via holes in the third conductive layer, the fourth conductive layer and the insulating layer therebetween in FIG. 16 .
- FIG. 29 is a stacked plan view of the active layer, the third conductive layer, the fourth conductive layer, and the via hole in the insulating layer between the third conductive layer and the fourth conductive layer in FIG. 16 .
- Figure 30 is the active layer, the third conductive layer, the fourth conductive layer, the via hole VH1 in the insulating layer between the active layer and the third conductive layer in Figure 16, and the via hole VH1 in the third conductive layer and the fourth conductive layer.
- FIG. 31 is a plan view of an active layer in a first display region of a display panel provided by an embodiment of the present disclosure.
- FIG. 32 is a plan view of a first conductive layer in a first display region of a display panel provided by an embodiment of the present disclosure.
- FIG. 33 is a plan view of the second conductive layer in the first display area of the display panel provided by an embodiment of the present disclosure.
- FIG. 34 is a plan view of a third conductive layer in a first display area of a display panel provided by an embodiment of the present disclosure.
- FIG. 35 is a plan view of the fourth conductive layer in the first display area of the display panel provided by an embodiment of the present disclosure.
- FIG. 36 is a plan view of a transparent conductive layer in a first display area of a display panel provided by an embodiment of the present disclosure.
- 20 and 31 show the active layer LY0.
- 21 and 32 illustrate the first conductive layer LY1.
- 22 and 33 illustrate the second conductive layer LY2.
- 23 and 34 illustrate the third conductive layer LY3.
- 24 and 35 illustrate the fourth conductive layer LY4.
- FIG. 36 shows the transparent conductive layer LYx.
- the display panel includes a base substrate BS, a barrier layer BR is located on the base substrate BS, a buffer layer BF is located on the barrier layer BR, and an active layer LY0 is located on the buffer layer BF.
- the active layer LY0 includes a channel T7c of the second reset transistor T7, a first pole T71 and a second pole T72 located on both sides of the channel T7c, a channel T5c of the second light emission control transistor T5, And the first pole T51 and the second pole T52 located on both sides of the channel T5c.
- the insulating layer 801 is located on the active layer LY0
- the first conductive layer LY1 is located on the insulating layer 801
- FIG. 19 shows the reset control signal part RSTb, the gate signal line GA, and the light emission control signal part EMLb in the first conductive layer LY1.
- the insulating layer 802 is located on the first conductive layer LY1
- the second conductive layer LY2 is located on the insulating layer 802 .
- FIG. 19 shows the reset signal part INTb in the second conductive layer LY2. As shown in FIG.
- FIG. 19 shows the connection electrode CE1 and the connection electrode CE2 in the third conductive layer LY3.
- one end of the connection electrode CE1 is connected to the reset signal part INTb
- the other end of the connection electrode CE1 is connected to the first pole T71 of the second reset transistor T7
- one end of the connection electrode CE2 is connected to the first electrode T7 of the second reset transistor T7.
- the two electrodes T72 are connected, and the other end of the connection electrode CE2 is connected to the second electrode T52 of the second light emission control transistor T5.
- FIG. 19 shows the connection electrode CE1 and the connection electrode CE2 in the third conductive layer LY3.
- FIG. 19 shows the connection electrode CE11 and the connection electrode CE12 in the fourth conductive layer LY4. As shown in FIG. 19, the connection electrode CE11 is connected to the connection electrode CE1, and the connection electrode CE12 is connected to the connection electrode CE2. As shown in FIG. 19 , the insulating layer 805 is located on the fourth conductive layer LY4 , and the transparent conductive layer LYx is located on the insulating layer 805 .
- FIG. 19 shows the reset signal portion INTc and the connection electrode CEx in the transparent conductive layer LYx. The connection electrode CEx is connected to the connection electrode CE12, and the reset signal part INTc is connected to the connection electrode CE11.
- the insulating layer 804 may include at least one insulating layer.
- FIG. 19 is illustrated by taking the insulating layer 804 including the passivation layer PVX and the planarization layer PLN as an example.
- the insulating layer 801 may also be called a gate insulating layer GI1
- the insulating layer 802 may also be called a gate insulating layer GI2
- the insulating layer 803 may also be called an interlayer insulating layer ILD.
- the first conductive layer LY1 includes a reset control signal line RST, a gate signal line GA, a second electrode Ca of a capacitor C, and an emission control signal line EML.
- the second conductive layer LY2 includes a reset signal line INT2 , a block BK, and a first pole Cb of a capacitor C. As shown in FIG. 22 , the second conductive layer LY2 includes a reset signal line INT2 , a block BK, and a first pole Cb of a capacitor C. As shown in FIG. 22 , the reset signal line INT2 , a block BK, and a first pole Cb of a capacitor C. As shown in FIG.
- the block BK is connected to the first power line Vdd through the via hole V5.
- the block BK functions to stabilize the voltage at the intermediate node between the two channels of the threshold compensation transistor T3.
- the first power line Vdd is connected to the first voltage terminal VDD.
- the first pole Cb of the capacitor C has an opening Cb0 for connecting the connecting electrode CEd to the second pole Ca of the capacitor C.
- the third conductive layer LY3 includes a data line Vd, a first power line Vdd, a reset signal line INT1 , a connection electrode CEa, a connection electrode CEb, a connection electrode CEc, and a connection electrode CEd.
- the fourth conductive layer LY4 includes a connection electrode CEe, a connection electrode CEf, and a shield electrode CEg.
- Figure 25 shows each transistor, the part of the active layer LY0 covered by the first conductive layer LY1 is the channel of the transistor, the two sides of the channel are respectively the first pole and the second pole of the transistor, and the second pole of the capacitor C Ca also serves as the gate of the driving transistor T1, a part of the gate signal line GA serves as the gate of the data writing transistor T2, a part of the gate signal line GA serves as the gate of the threshold compensation transistor T3, and a part of the light emission control signal line EML As the gate of the first light emission control transistor T4, a part of the light emission control signal line EML is used as the gate of the second light emission control transistor T5, and a part of the reset control signal line RST is used as the gate of the first reset transistor T6. A part of RST serves as the gate of the second reset transistor T7.
- connection electrode CEe is connected to the connection electrode CEb through the via hole V12
- the other end of the connection electrode CEe is connected to the connection electrode CEc through the via hole V13
- the connection electrode CEf Connected to the first power line Vdd through the via hole V15
- the orthographic projection of the shielding electrode CEg on the base substrate covers the orthographic projection of the connecting electrode CEd on the base substrate, so as to stabilize the voltage on the gate of the driving transistor.
- connection electrode CEa one end of the connection electrode CEa is connected to the reset signal line INT (reset signal line INT2) through the via hole V1, and the other end of the connection electrode CEa is connected to the second reset transistor T7.
- One pole is connected through the via hole V2.
- connection electrode CEb is connected to the second pole of the second reset transistor T7 through the via hole V3 .
- connection electrode CEc is connected to the second pole of the second light emission control transistor T5 through the via hole V11 .
- connection electrode CEd is connected to the second pole of the first reset transistor T6 through the via hole V7, and the other end of the connection electrode CEd is connected to the gate of the drive transistor T1 through the via hole V7. Hole V8 is connected.
- the first power line Vdd is connected to the first pole Cb of the capacitor C through the via hole V9.
- the first power line Vdd is connected to the first electrode of the first light emitting control transistor T4 through the via hole V10.
- the data line Vd is connected to the second pole of the data writing transistor T2 through the via hole V6 .
- the reset signal line INT1 is connected to the first pole of the first reset transistor T6 through the via hole V4 .
- connection electrode CE01 located on the transparent conductive layer LYx is connected to the connection electrode CEc through the via hole V14 .
- the reset signal line INT1 and the reset signal line INT2 are located in different layers, for example, the reset signal line INT1 is located in the third conductive layer LY3, and the reset signal line INT2 is located in the second conductive layer.
- Layer LY2 the reset signal line INT1 is located in the third conductive layer LY3
- the reset signal line INT2 is located in the second conductive layer.
- the reset signal line INT1 intersects with the reset signal line INT2 .
- the reset signal line INT1 is perpendicular to the reset signal line INT2.
- the via hole VH1 located in the insulating layer between the active layer and the third conductive layer includes via holes V1 to V11, and the via holes located in the insulating layer between the third conductive layer and the fourth conductive layer
- the hole VH2 includes a via V12, a via V13, and a via V15.
- the insulating layer 801, the insulating layer 802, the insulating layer 803, the insulating layer 804, and the insulating layer 805 can all be made of insulating materials.
- the base substrate may be a flexible base substrate, and the material includes polyimide, but is not limited thereto.
- FIG. 18 shows the pixel circuits of some sub-pixels, and the rest of the pixel circuits can refer to the structure of the pixel circuits shown in FIG. 18 according to their positions.
- 31 to 36 show plan views of a single film layer located in the first display area 11 in the display panel provided by the embodiments of the present disclosure.
- the structure of the pixel circuit PXC (first driving circuit 14 ) located in the first display area 11 will be described below with reference to FIGS. 17 , 18 , and 31 to 36 .
- 31 to 36 show three pixel circuits PXC (first drive circuit 14 ).
- FIG. 31 shows the active layer LY0.
- the portion of the active layer LY0 shown in FIG. 20 located in the second display area has a different structure from the portion of the active layer LY0 shown in FIG. 31 located in the first display area. Therefore, referring to FIGS. 16 and 17 , the structure of the first drive circuit 14 is different from that of the external drive circuit 16 .
- FIG. 17 shows vias Va to vias Vk.
- connection electrode CE1 is connected to the reset signal line INT2 through the via hole Va, and the other end of the connection electrode CE1 is connected to the first pole of the second reset transistor T7 through the via hole Vb.
- One end of the electrode CE2 is connected to the second pole of the second reset transistor T7 through the via hole Vc, and the other end of the connection electrode CE2 is connected to the second pole of the second light emission control transistor T5 through the via hole Vd.
- connection electrode CE3 is connected to the second pole of the first reset transistor T6 through the via hole Ve, and the other end of the connection electrode CE3 is connected to the gate of the driving transistor T1 through the via hole Vf. .
- the first power line Vdd is connected to the first pole Cb of the capacitor C through the via hole Vg.
- connection electrode CE4 is connected to the first pole of the first light emission control transistor T4 through the via hole Vh, and the other end of the connection electrode CE4 is connected to the first power line Vdd through the via hole Vi. .
- the data line Vd is connected to the second pole of the data writing transistor T2 through the via hole Vj.
- the first power line Vdd includes: connecting electrode CE10 (power supply part Vddc), power supply part Vdda, and power supply part Vddb, and connecting electrode CE10 (power supply part Vddc) and power supply part Vdda pass through The via hole Vk is connected, and the connection electrode CE10 (power supply part Vddc) is connected to the power supply part Vddb through the via hole Vi.
- the first power line Vdd is made of different materials located in different layers, which is beneficial to improve the transmittance of the first display area. Certainly, in other embodiments, the first power line Vdd may not be arranged in segments.
- the reset signal part INTc is connected to the reset signal part INTb through the via hole Vaa.
- FIG. 34 also shows connection electrode CE5 , connection electrode CE6 , connection electrode CE7 , connection electrode CE8 , and connection electrode CE9 .
- the connection electrodes CE5 , CE6 , CE7 , CE8 , and CE9 are all used as intermediate elements for connecting with corresponding elements in the fourth conductive layer LY4 .
- FIG. 35 also shows connection electrodes CE11 , connection electrodes CE12 , connection electrodes CE15 , connection electrodes CE16 , connection electrodes CE17 , connection electrodes CE18 , and connection electrodes CE19 .
- connection electrode CE11 is connected to the connection electrode CE1, for example, connected to the upper end of the connection electrode CE1; the connection electrode CE12 is connected to the connection electrode CE2, for example, connected to the lower end of the connection electrode CE2; CE15 is connected to connection electrode CE5, connection electrode CE16 is connected to connection electrode CE6, connection electrode CE17 is connected to connection electrode CE7, connection electrode CE18 is connected to connection electrode CE8, and connection electrode CE19 is connected to connection electrode CE9.
- the elements located in the fourth conductive layer LY4 and the elements located in the third conductive layer LY3 are connected through vias penetrating the insulating layer between the third conductive layer LY3 and the fourth conductive layer LY4 .
- the reset control signal part RSTb is connected to the connection electrode CE18 through a via hole
- the connection electrode CE18 is connected to the connection electrode CE8 through a via hole
- the connection electrode CE8 is connected to the reset control signal part RSTc through a via hole.
- Both the connecting electrode CE18 and the connecting electrode CE8 serve as intermediate connecting pieces.
- This arrangement enables the reset control signal line to include at least two materials with different materials, so as to improve the transmittance of the first display area.
- the reset control signal lines may also be formed of the same material on the same layer, instead of being formed in a segmented manner.
- the connection electrode CE6 and the connection electrode CE16 serve as an intermediate connection member at the other end of the reset control signal portion RSTb, which will not be repeated here.
- the reset signal part INTb is connected to the connection electrode CE1 through the via hole
- the connection electrode CE1 is connected to the connection electrode CE11 through the via hole
- the connection electrode CE11 is connected to the reset signal part INTc through the via hole.
- Both the connecting electrode CE1 and the connecting electrode CE11 serve as intermediate connecting pieces.
- This arrangement enables the reset control signal line to include at least two materials with different materials, so as to improve the transmittance of the first display area.
- the reset signal line can also be formed of the same material on the same layer, instead of being formed in a segmented manner.
- the connection electrode CE7 and the connection electrode CE17 serve as an intermediate connection member at the other end of the reset signal portion INTb, which will not be repeated here.
- the light emission control signal portion EMLb is connected to the connection electrode CE9 through a via hole
- the connection electrode CE9 is connected to the connection electrode CE19 through a via hole
- the connection electrode CE19 is connected to the light emission control signal portion EMLc through a via hole.
- Both the connecting electrode CE9 and the connecting electrode CE19 serve as intermediate connecting pieces.
- This arrangement enables the reset control signal line to include at least two materials with different materials, so as to improve the transmittance of the first display area.
- the reset signal line can also be formed of the same material on the same layer, instead of being formed in a segmented manner.
- the connection electrode CE5 and the connection electrode CE15 are used as the intermediate connection member of the other end of the light emission control signal part EMLb, which will not be repeated here.
- connection electrode CE2 is connected to the connection electrode CE12 through the via hole, and the connection electrode CE12 is connected to the connection electrode CE20 through the via hole.
- the connection electrode CE20 may be connected to the first electrode of the light emitting device.
- the transparent conductive layer where each signal line is located can be compared to the lead wire.
- the transparent conductive layer where 17 is located is closer to the base substrate.
- the control lines of the second reset transistor T7 , the data writing transistor T2 and the threshold compensation transistor T3 are gate signal lines GA.
- the gates of the second reset transistor T7, the data writing transistor T2, and the threshold compensation transistor T3 are all connected to the gate signal line GA.
- the gates of the first reset transistor T6 and the gates of the second reset transistor T7 are not connected, and signals can be input separately.
- the control lines of the first reset transistor T6 and the second reset transistor T7 are reset control signal lines RST. That is, the gate of the first reset transistor T6 is connected to the gate of the second reset transistor T7.
- the reset signal line INT2 extends from the second display area 12 to the first display area 11 and serves as a reset signal for the first reset transistor T6 and the second reset transistor T7 of the pixel circuit located in the first display area 11 Wire. That is, the first reset transistor T6 and the second reset transistor T7 of the pixel circuit located in the first display area 11 share the same reset signal line, so as to be configured to provide the same reset signal.
- the same reset signal line can provide the same reset signal.
- the same reset signal line can be arranged in sections, and the sections located in different layers are connected through via holes.
- a pixel circuit located in the second display area 12 has two reset signal lines (reset signal line INT2 and reset signal line INT1), and the reset signal line INT2 extending along the first direction X extends from the second
- the display area 12 extends to the first display area 11 and serves as a reset signal line for the first reset transistor T6 and the second reset transistor T7 of the pixel circuit located in the first display area 11 .
- FIG. 37A is a schematic diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 37B is a layout diagram of a display panel provided by an embodiment of the present disclosure.
- FIG. 38 is a plan view of an active layer LY0 in a display panel provided by an embodiment of the present disclosure.
- FIG. 39 is a plan view of a first conductive layer LY1 in a display panel provided by an embodiment of the present disclosure.
- FIG. 40 is a plan view of a second conductive layer LY2 in a display panel provided by an embodiment of the present disclosure.
- FIG. 41 is a plan view of a third conductive layer LY3 in a display panel provided by an embodiment of the present disclosure.
- FIG. 42 is a plan view of a fourth conductive layer LY4 in a display panel provided by an embodiment of the present disclosure.
- FIG. 43 is a plan view of a transparent conductive layer LYa in a display panel provided by an embodiment of the present disclosure.
- FIG. 44 is a plan view of a transparent conductive layer LYb in a display panel provided by an embodiment of the present disclosure.
- FIG. 45 is a stacked plan view of an active layer LY0 and a first conductive layer LY1 in a display panel provided by an embodiment of the present disclosure.
- FIG. 46 is a stacked plan view of an active layer LY0 , a first conductive layer LY1 , and a second conductive layer LY2 in a display panel provided by an embodiment of the present disclosure.
- FIG. 47 is a stacked plan view of the active layer LY0 , the first conductive layer LY1 , the second conductive layer LY2 , and the third conductive layer LY3 in the display panel provided by an embodiment of the present disclosure.
- FIG. 48 is a stacked plan view of the active layer LY0 , the first conductive layer LY1 , the second conductive layer LY2 , the third conductive layer LY3 , and the fourth conductive layer LY4 in the display panel provided by an embodiment of the present disclosure.
- the fourth conductive layer LY4 is a stack of the active layer LY0, the first conductive layer LY1, the second conductive layer LY2, the third conductive layer LY3, the fourth conductive layer LY4, and the transparent conductive layer LYa in the display panel provided by the embodiment of the present disclosure. floor plan.
- FIG. 37B is an example of an active layer LY0, a first conductive layer LY1, a second conductive layer LY2, a third conductive layer LY3, a fourth conductive layer LY4, a transparent conductive layer LYa, and a display panel provided by an embodiment of the present disclosure.
- a stacked plan view of the bright conductive layer LYb. 49 is a stacked plan view of the active layer LY0, the first conductive layer LY1, the second conductive layer LY2, the third conductive layer LY3, the fourth conductive layer LY4, and the transparent conductive layer LYa in FIG. 37B.
- the display panel includes a first driving circuit 14 , a first light emitting device 131 connected to the first driving circuit 14 , and a second light emitting device 132 .
- FIG. 37A shows the first electrode E1 of the light emitting device with an oval dotted line frame, and the first electrode E1 represents the light emitting device.
- the shape of the first electrode E1 is not limited to what is shown in the figure, and the size of the first electrode E1 is not limited to what is shown in the figure, and can be determined according to requirements.
- FIG. 37A shows a part of the first display area 11 .
- FIG. 37A shows that a region between adjacent light emitting devices includes a light-transmitting region R0.
- FIG. 37B is a layout diagram of the pixel circuit in FIG. 37A. Refer to FIG. 8 for the pixel circuit diagram shown in FIG. 37B .
- FIG. 38 shows the active layer LY0.
- FIG. 39 shows the first conductive layer LY1.
- FIG. 40 shows the second conductive layer LY2.
- FIG. 41 shows the third conductive layer LY3.
- FIG. 42 shows the fourth conductive layer LY4.
- FIG. 43 shows the transparent conductive layer LYa.
- FIG. 44 shows the transparent conductive layer LYb.
- connection between components located in different layers in the active layer LY0 , the first conductive layer LY1 , and the second conductive layer LY2 is realized through components located in the third conductive layer LY3 .
- Components in the fourth conductive layer LY4 and components in the third conductive layer LY3 are connected through via holes penetrating the insulating layer between the third conductive layer LY3 and the fourth conductive layer LY4 .
- Components in the transparent conductive layer LYa and components in the fourth conductive layer LY4 are connected through via holes penetrating the insulating layer between the transparent conductive layer LYa and the fourth conductive layer LY4 .
- Components in the transparent conductive layer LYa and components in the transparent conductive layer LYb are connected through via holes penetrating the insulating layer between the transparent conductive layer LYa and the transparent conductive layer LYb.
- the first conductive layer LY1 includes a reset control signal line RST (reset control signal line RST1 and reset control signal line RST2), a gate signal line GA, a second electrode Ca of a capacitor C, and a light emission control signal line. EML.
- the reset control signal line RST is connected to the gate signal line GA.
- the second conductive layer LY2 includes a reset signal line INT1 , a reset signal line INT2 , a block BK, and a first pole Cb of a capacitor C.
- a reset signal line INT1 As shown in FIG. 40 , the second conductive layer LY2 includes a reset signal line INT1 , a reset signal line INT2 , a block BK, and a first pole Cb of a capacitor C.
- Both the reset signal line INT1 and the reset signal line INT2 may be referred to as a reset signal line INT.
- the first pole Cb of the capacitor C has an opening Cb0.
- the block BK is connected to the first power line Vdd through a via hole.
- the block BK functions to stabilize the voltage at the intermediate node between the two channels of the threshold compensation transistor T3.
- the first power line Vdd is connected to the first voltage terminal VDD.
- the first pole Cb of the capacitor C has an opening Cb0 for connecting the connecting electrode EC1 to the second pole Ca of the capacitor C.
- the third conductive layer LY3 includes signal lines SL1 , signal lines SL2 , connection electrodes EC1 , connection electrodes EC2 , connection electrodes EC3 , connection electrodes EC4 , connection electrodes EC5 , connection electrodes EC6 , and connection electrodes EC7 .
- the fourth conductive layer LY4 includes a data line Vd, a first power line Vdd, and a connecting electrode ECO.
- the orthographic projection of the first power line Vdd on the base substrate and the orthographic projection of the connecting electrode EC1 on the substrate substrate overlap to stabilize the gate of the driving transistor. voltage on the pole.
- FIG. 45 shows individual transistors.
- FIG. 45 shows a drive transistor T1, a data write transistor T2, a threshold compensation transistor T3, a first light emission control transistor T4, a second light emission control transistor T5, a first reset transistor T6, and a second reset transistor T7.
- the part of the active layer LY0 covered by the first conductive layer LY1 is the channel (semiconductor) of the transistor, and the two sides of the channel are respectively the first pole (conductor part) and the second pole (body) of the transistor.
- the second pole Ca of the capacitor C is used as the gate of the driving transistor T1
- a part of the gate signal line GA is used as the gate of the data writing transistor T2
- a part of the gate signal line GA is used as the gate of the threshold compensation transistor T3
- a part of the light emission control signal line EML serves as the gate of the first light emission control transistor T4
- a part of the light emission control signal line EML serves as the gate of the second light emission control transistor T5
- a part of the reset control signal line RST serves as the first reset transistor
- the gate of T6 and a part of the reset control signal line RST serve as the gate of the second reset transistor T7.
- connection electrode EC1 is connected to the gate of the drive transistor T1 through a via hole, and the other end of the connection electrode EC1 is connected to the second pole of the first reset transistor T6 through a via hole .
- connection electrode EC2 is connected to the block BK through a via hole, and the other end of the connection electrode EC2 is connected to the first power line Vdd through a via hole.
- connection electrode EC3 is connected to the second pole of the data writing transistor T2 through a via hole, and the other end of the connection electrode EC3 is connected to the data line Vd through a via hole .
- connection electrode EC4 is connected to the second pole of the second light emission control transistor T5 through a via hole, and the other end of the connection electrode EC4 is connected to the connection electrode ECO.
- connection electrode EC5 is connected to the first pole of the first light emission control transistor T4 through a via hole, and the other end of the connection electrode EC5 is connected to the first power line Vdd through the via hole.
- the holes are connected.
- connection electrode EC6 is connected to the first pole of the second reset transistor T7 through a via hole, and the other end of the connection electrode EC6 is connected to the reset signal line INT2 through a via hole.
- connection electrode EC7 is connected to the first pole of the first reset transistor T6 through a via hole, and the other end of the connection electrode EC7 is connected to the reset signal line INT1 through a via hole.
- the signal line SL2 is connected to the light emission control signal line EML through via holes.
- the connecting electrode ECa is connected to the connecting electrode ECO through a via hole, and the connecting electrode ECa can be used to be connected to the connecting electrode ECb, and then connected to the first light emitting device 131 .
- the transparent conductive layer LYa includes a plurality of leads 17 .
- the plurality of leads 17 include a lead 17a, a lead 17b, and a lead 17c.
- the lead wire 17a shows both left and right ends. Referring to FIG. 1 and FIG. 43 , the left end of the lead wire 17 a is used to connect to the second driving circuit 161 , and the right end of the lead wire 17 a is used to connect to the second light emitting device 132 .
- the lead wire 17b shows its right end
- the lead wire 17c shows its middle part, and its left and right ends are not shown.
- connection electrode ECb is connected to the connection electrode ECa through a via hole.
- the lead wire 17c in FIG. 44 shows its middle part, and its left and right ends are not shown.
- FIG. 50 is a schematic plan view of a display panel provided by an embodiment of the present disclosure.
- FIG. 51 is a schematic diagram of a partial planar structure of a display panel provided by an embodiment of the present disclosure.
- FIG. 52 is a schematic plan view of a display panel provided by an embodiment of the present disclosure.
- FIG. 53 is a schematic diagram of a partial planar structure of a display panel provided by an embodiment of the present disclosure.
- the first display area 11 includes a plurality of built-in light emitting devices 13 and at least one first driving circuit 14, and the plurality of built-in light emitting devices 13 includes a first light emitting device 131 and a second light emitting device 132.
- a driving circuit 14 is connected to the first light emitting device 131, and the first driving circuit 14 is configured to drive the first light emitting device 131 to emit light.
- the second display area 12 includes at least one third light emitting device 15 and a plurality of external drive circuits 16, and the plurality of external drive circuits 16 include a second drive circuit 161 and a third drive circuit 162 , the second driving circuit 161 is connected to the second light emitting device 132 through a wire 17, the second driving circuit 161 is configured to drive the second light emitting device 132 to emit light, the third driving circuit 162 is connected to the third light emitting device 15, the third driving circuit 162 is configured to drive the third light emitting device 15 to emit light.
- the first display area 11 has a symmetry axis X1 , for example, the symmetry axis X1 extends along the second direction Y.
- the first display area 11 may also have a symmetry axis X2, and the symmetry axis X2 extends along the first direction X.
- the light-emitting devices located on one side of the symmetry axis X1 are all connected by wires (external pixel circuits, compression scheme), that is, the light-emitting devices and pixel circuits Separately arranged, and the light-emitting devices located on the other side of the symmetry axis X1 all adopt the method of built-in pixel circuits (built-in solution).
- the light-emitting devices located on the left side of the symmetry axis X1 all use external pixel circuits, while the light-emitting devices located on the right side of the symmetry axis X1 use built-in pixel circuits. But not limited to this. It can also be divided according to the axis of symmetry X2.
- the light-emitting devices on one side of the symmetry axis X2 are all connected by wires (external pixel circuits, compression scheme), that is, the light-emitting devices and pixel circuits are separately arranged, while the light-emitting devices on the other side of the symmetry axis X2 All light-emitting devices are built in pixel circuits (built-in solution). That is, the first display area 11 is divided into two sub-areas, one of which adopts the built-in scheme, and the other adopts the compression scheme.
- the built-in light-emitting device 13 includes a plurality of first light-emitting device groups G1 and a plurality of second light-emitting device groups G2, and a plurality of first light-emitting device groups G1 and a plurality of light-emitting device groups G2
- Two second light-emitting device groups G2 are arranged alternately, the light-emitting devices (first light-emitting devices 131) in the first light-emitting device group G1 adopt the method of built-in pixel circuits, and the light-emitting devices (second light-emitting devices 131) in multiple second light-emitting device groups G2
- the device 132) adopts a method in which the pixel circuit and the light emitting device are arranged separately.
- FIG. 52 and FIG. 53 illustrate by taking the example that the first light emitting device group G1 includes two columns of light emitting devices, and the second light emitting device group G2 includes two columns of light emitting devices.
- the first light-emitting device group G1 one column of light-emitting devices is green light-emitting devices, and the other column is alternately arranged red light-emitting devices and blue light-emitting devices.
- the second light-emitting device group G2 one column of light-emitting devices is green light-emitting devices, and the other column is alternately arranged red light-emitting devices and blue light-emitting devices.
- the first light emitting device group G1 includes at least one column of first light emitting devices 131
- the second light emitting device group G2 includes at least one column of second light emitting devices 132 .
- Fig. 50 is illustrated by setting up a column of second drive circuits 161 every four columns of third drive circuits 162 as an example
- Fig. 52 is an example of setting up a column of second drive circuits 161 every two columns of third drive circuits 162, and it needs to be explained It is noted that the number of columns of the third driving circuits 162 disposed between two adjacent columns of the second driving circuits 161 can be set as required, and is not limited to what is shown in the figure.
- FIG. 50 and FIG. 52 do not show all structures in the second display area 21 .
- An embodiment of the present disclosure provides a display device, including: a photosensitive element and any display panel as described above.
- the orthographic projection of the photosensitive element on the display panel overlaps with the first display area.
- the photosensitive element may include a sensing module, and the sensing module may include, for example, an infrared sensing module; a specific pattern (such as a fingerprint pattern, an iris pattern, etc.) is recognized from an infrared image.
- the sensing module may perform facial recognition.
- the photosensitive element may include an optical member, and the optical member may include an illuminance sensor.
- the illuminance sensor may measure illuminance around the display device, and the display device may adjust the brightness of the screen based on the measured illuminance.
- a photosensitive element may include a sensor, which may be an electronic component that utilizes light or sound.
- the sensor may be a sensor for receiving and utilizing light (such as an infrared sensor), a sensor for measuring distance or recognizing a fingerprint by outputting and detecting light or sound, a small lamp for outputting light, a sensor for outputting sound, etc.
- the number of sensor devices may be provided as plural.
- the sensors include infrared sensors, ultrasonic sensors, LIDAR (Light Detection and Ranging, LIDAR) sensors, radar (Radar) sensors, and camera sensors.
- LIDAR Light Detection and Ranging
- radar Radar
- the photosensitive element includes an under-screen camera or a distance sensor, but is not limited thereto.
- distance sensors include (Time of Flight, TOF) sensors.
- TOF stands for Time of Flight, which is a technology that uses the time of flight of light to measure distance. It has been widely used in facial recognition of smartphones and other fields.
- the display device has all the features and advantages of the above-mentioned display panel.
- the specific types of the display device include but not limited to mobile phones, notebooks, iPads, kindles, televisions and other display devices with display and camera functions.
- the display device can also include structures or components necessary for conventional display devices.
- the display device in addition to the above-mentioned display panel, it also includes a glass cover , battery back cover, middle frame, motherboard, touch module, audio module, camera module and other necessary structures or components.
- the first direction X is a direction parallel to the main surface of the base substrate 40 .
- the second direction Y is a direction parallel to the main surface of the base substrate 40 .
- the first direction X intersects the second direction Y.
- Embodiments of the present disclosure are described by taking the first direction X perpendicular to the second direction Y as an example.
- the third direction Z is a direction perpendicular to the main surface of the base substrate 40 .
- the main surface of the base substrate 40 is the surface used to fabricate various film layers.
- the upper surface of the base substrate 40 in FIG. 4 is its main surface.
- elements arranged in the same layer are formed by the same film layer using the same patterning process.
- elements arranged in the same layer are located on the surface of the same element away from the base substrate, but not limited thereto.
- Components arranged in the same layer may have different heights relative to the base substrate.
- the patterning or patterning process may only include a photolithography process, or include a photolithography process and an etching step, or may include printing, inkjet and other processes for forming a predetermined pattern.
- the photolithography process refers to the process including film formation, exposure, development, etc., using photoresist, mask plate, exposure machine, etc. to form graphics.
- a corresponding patterning process can be selected according to the structure formed in the embodiments of the present disclosure.
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Abstract
Description
Claims (27)
- 一种显示面板,包括第一显示区和第二显示区,其中,所述第二显示区位于所述第一显示区的至少一侧,所述第一显示区的透过率大于所述第二显示区的透过率;所述第一显示区包括多个内置发光器件和至少一个第一驱动电路,所述多个内置发光器件包括第一发光器件和第二发光器件,所述第一驱动电路与所述第一发光器件连接,所述第一驱动电路被配置为驱动所述第一发光器件发光;所述第二显示区包括至少一个第三发光器件和多个外置驱动电路,所述多个外置驱动电路包括第二驱动电路和第三驱动电路,所述第二驱动电路与所述第二发光器件通过引线连接,所述第二驱动电路被配置为驱动所述第二发光器件发光,所述第三驱动电路与所述第三发光器件连接,所述第三驱动电路被配置为驱动所述第三发光器件发光。
- 根据权利要求1所述的显示面板,其中,所述第三发光器件的数量为多个,在第一方向上,所述外置驱动电路和所述第三发光器件均呈周期性排布,所述外置驱动电路的排布周期小于所述第三发光器件的排布周期。
- 根据权利要求2所述的显示面板,其中,所述外置驱动电路的排布周期与所述第三发光器件的排布周期之间的比值大于或等于1/2,且小于或等于9/10。
- 根据权利要求1至3任一项所述的显示面板,其中,所述第一发光器件包括设置在衬底基板上的第一阳极层,所述第三发光器件包括设置在所述衬底基板上的第二阳极层;其中,所述第一驱动电路在所述衬底基板上的正投影面积与所述第一阳极层在所述衬底基板上的正投影面积之间的比值,小于所述第三驱动电路在所述衬底基板上的正投影面积与所述第二阳极层在所述衬底基板上的正投影面积之间的比值。
- 根据权利要求4所述的显示面板,其中,所述第一阳极层在所述衬底基板上的正投影覆盖所述第一驱动电路在所述衬底基板上的正投影。
- 根据权利要求1至5任一项所述的显示面板,其中,所述第一显示 区被划分为两个子区,其中一个子区内的发光器件均为第一发光器件,另一个子区内的发光器件均为第二发光器件。
- 根据权利要求1至5任一项所述的显示面板,其中,所述第一发光器件设置为多个,所述第二发光器件设置为多个,多个第一发光器件构成多个第一发光器件组,多个第二发光器件构成多个第二发光器件组,多个第一发光器件组和多个第二发光器件组交替排布,所述第一发光器件组包括至少一列第一发光器件,所述第二发光器件组包括至少一列第二发光器件。
- 根据权利要求1至7任一项所述的显示面板,其中,所述第一发光器件包括绿光发光器件和/或蓝光发光器件;所述第二发光器件包括以下至少之一:绿光发光器件,蓝光发光器件和红光发光器件。
- 根据权利要求1至7任一项所述的显示面板,其中,所述第一发光器件包括红光发光器件和/或蓝光发光器件;所述第二发光器件包括以下至少之一:绿光发光器件,蓝光发光器件和红光发光器件。
- 根据权利要求1至7任一项所述的显示面板,其中,所述第一发光器件包括绿光发光器件和/或红光发光器件;所述第二发光器件包括以下至少之一:绿光发光器件,蓝光发光器件和红光发光器件。
- 根据权利要求1至7任一项所述的显示面板,其中,所述第一发光器件的数量大于或等于所述第二发光器件的数量。
- 根据权利要求1至7任一项所述的显示面板,其中,所述第二发光器件包括第一颜色光发光器件、第二颜色光发光器件和第三颜色光发光器件,连接所述第一颜色光发光器件与所述第二驱动电路的引线为第一引线,连接所述第二颜色光发光器件与所述第二驱动电路的引线为第二引线,连接所述第三颜色光发光器件与所述第二驱动电路的引线为第三引线,所述第一引线的面积小于或等于所述第二引线的面积,所述第二引线的面积小于或等于第三引线的面积。
- 根据权利要求1至7任一项所述的显示面板,其中,所述第一发光器件包括第一颜色光发光器件,所述第二发光器件包括第二颜色光发光器件和第三颜色光发光器件,并且所述第一颜色光发光器件、所述第二颜色光发光器件和所述第三颜色光发光器件被配置为发不同颜色的光。
- 根据权利要求13所述的显示面板,其中,所述第一发光器件包括绿光发光器件,所述第二发光器件包括红光发光器件和蓝光发光器件。
- 根据权利要求13或14所述的显示面板,其中,所述引线包括第一导电线和第二导电线,所述第一导电线与所述第二颜色光发光器件相连,所述第二导电线与所述第三颜色光发光器件相连。
- 根据权利要求1至15任一项所述的显示面板,其中,与所述第一驱动电路连接的信号线包括第一线段和第二线段,所述第一线段与所述第二线段连接,所述第一线段位于所述第一显示区内,所述第二线段位于所述第二显示区内,所述第一线段的材料包括透明导电材料,所述第二线段的材料包括金属材料。
- 根据权利要求16所述的显示面板,其中,所述引线的材料包括透明导电材料,且所述引线与所述第一线段分别位于不同的膜层。
- 根据权利要求1至17任一项所述的显示面板,还包括与所述第一驱动电路连接的多条信号线,其中,所述多条信号线中的至少一条信号线分段设置。
- 根据权利要求18所述的显示面板,其中,所述分段设置的信号线包括位于不同层的多个信号部。
- 根据权利要求18或19所述的显示面板,其中,所述分段设置的信号线包括第一信号部和第二信号部,所述第一信号部的材料包括透明的导电金属氧化物,所述第二信号部的材料包括金属。
- 根据权利要求19或20所述的显示面板,其中,所述第一显示区包括驱动电路设置区和走线区,所述第一信号部位于所述驱动电路设置区,所述第二信号部位于所述走线区。
- 根据权利要求1至17任一项所述的显示面板,还包括发光控制信号线、复位控制信号线、以及复位信号线、其中,像素电路包括驱动模块、发光控制电路、以及复位电路,所述像素电路包括所述第一驱动电路、所述第二驱动电路、以及所述第三驱动电路中至少一个,其中,所述发光控制信号线与所述发光控制电路的控制端相连,所述复位控制信号线与所述复位电路的控制端相连,所述复位信号线与所述复位电路的第一极相连,所述发光控制信号线、所述复位控制信号线、以及所述复位信号线中至少之一在所述第一显示区分段设置。
- 根据权利要求22所述的显示面板,其中,所述复位电路包括第一复位晶体管和第二复位晶体管,所述第一复位晶体管被配置为对所述驱动模块的控制端进行复位,所述第二复位晶体管被配置为对发光器件的第一电极进行复位,所述发光器件包括所述第一发光器件、第二发光器件、以及所述第三发光器件中至少之一,在位于所述第一显示区的同一个像素电路中,所述第一复位晶体管和所述第二复位晶体管共用同一条复位信号线。
- 根据权利要求1至22任一项所述的显示面板,其中,所述第二驱动电路和所述第三驱动电路的布局相同,所述第一驱动电路的布局与所述第二驱动电路或所述第三驱动电路的布局不同。
- 根据权利要求1至21任一项所述的显示面板,其中,所述第一驱动电路包括驱动晶体管、第一复位晶体管、第二复位晶体管、数据写入晶体管、以及阈值补偿晶体管,所述第一复位晶体管的第一极与第一复位信号线电连接,所述第一复位晶体管的第二极与所述驱动晶体管的栅极电连接,所述第二复位晶体管的第一极与第二复位信号线电连接,所述第二复位晶体管的第二极与所述第一发光器件相连,所述数据写入晶体管的第一极与所述驱动晶体管的第一极电连接,所述数据写入晶体管的第二极被配置为与数据线相连,所述阈值补偿晶体管的第一极与所述驱动晶体管的第二极电连接,所述阈值补偿晶体管的第二极与所述驱动晶体管的栅极电连接,所述第一复位信号线和所述第二复位信号线为同一条复位信号线。
- 根据权利要求25所述的显示面板,其中,所述第二复位晶体管的栅极、所述数据写入晶体管的栅极、以及所述阈值补偿晶体管的栅极均与同一条栅极信号线相连。
- 一种显示装置,包括:感光元件以及根据权利要求1至26任一项所述的显示面板,所述感光元件在所述显示面板上的正投影与所述第一显示区交叠。
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP22885215.8A EP4336543A4 (en) | 2021-10-28 | 2022-07-20 | DISPLAY BOARD AND DISPLAY DEVICE |
| US18/287,529 US12482417B2 (en) | 2021-10-28 | 2022-07-20 | Display panel and display apparatus |
| CN202280002288.9A CN117296473A (zh) | 2021-10-28 | 2022-07-20 | 显示面板及显示装置 |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111265004.9 | 2021-10-28 | ||
| CN202111265004.9A CN113990909B (zh) | 2021-10-28 | 2021-10-28 | 显示面板及显示装置 |
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| WO2023071312A1 true WO2023071312A1 (zh) | 2023-05-04 |
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| PCT/CN2022/106870 Ceased WO2023071312A1 (zh) | 2021-10-28 | 2022-07-20 | 显示面板及显示装置 |
Country Status (4)
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| US (1) | US12482417B2 (zh) |
| EP (1) | EP4336543A4 (zh) |
| CN (2) | CN113990909B (zh) |
| WO (1) | WO2023071312A1 (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116568078A (zh) * | 2023-06-16 | 2023-08-08 | 京东方科技集团股份有限公司 | 显示基板及显示装置 |
| EP4593567A4 (en) * | 2023-09-26 | 2026-01-21 | Boe Technology Group Co Ltd | DISPLAY SUBSTRATE AND DISPLAY DEVICE |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113990909B (zh) * | 2021-10-28 | 2025-09-23 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
| CN117158125A (zh) * | 2022-02-08 | 2023-12-01 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
| CN114613822B (zh) * | 2022-03-08 | 2025-03-14 | 京东方科技集团股份有限公司 | 显示面板和显示装置 |
| CN117356192A (zh) * | 2022-04-27 | 2024-01-05 | 京东方科技集团股份有限公司 | 显示基板和显示装置 |
| US20240365610A1 (en) * | 2022-05-13 | 2024-10-31 | Chengdu Boe Optoelectronics Technology Co., Ltd. | Display panel and display apparatus |
| KR20250023974A (ko) * | 2022-06-14 | 2025-02-18 | 보에 테크놀로지 그룹 컴퍼니 리미티드 | 디스플레이 기판 및 디스플레이 장치 |
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| CN112117320A (zh) * | 2020-09-30 | 2020-12-22 | 武汉天马微电子有限公司 | 一种显示面板和显示装置 |
| US20210193746A1 (en) * | 2019-12-20 | 2021-06-24 | Samsung Display Co., Ltd. | Display device |
| CN113178163A (zh) * | 2021-04-27 | 2021-07-27 | 武汉天马微电子有限公司 | 一种显示面板及显示装置 |
| CN113241358A (zh) * | 2021-04-30 | 2021-08-10 | 合肥维信诺科技有限公司 | 显示面板及显示装置 |
| CN113990909A (zh) * | 2021-10-28 | 2022-01-28 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
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| US10692452B2 (en) * | 2017-01-16 | 2020-06-23 | Semiconductor Energy Laboratory Co., Ltd. | Display device |
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| CN110767695B (zh) * | 2018-12-28 | 2021-05-04 | 云谷(固安)科技有限公司 | 显示装置及其显示面板、oled阵列基板 |
| CN110599944B (zh) * | 2019-10-31 | 2024-10-11 | Oppo广东移动通信有限公司 | 显示装置及电子设备 |
| CN110706649B (zh) * | 2019-10-31 | 2022-02-22 | Oppo广东移动通信有限公司 | 显示装置及电子设备 |
| CN111463253B (zh) * | 2020-04-20 | 2022-09-02 | 昆山国显光电有限公司 | 显示装置和显示装置的驱动方法 |
| CN113744649A (zh) * | 2020-05-29 | 2021-12-03 | 京东方科技集团股份有限公司 | 一种显示面板及显示装置 |
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2021
- 2021-10-28 CN CN202111265004.9A patent/CN113990909B/zh active Active
-
2022
- 2022-07-20 WO PCT/CN2022/106870 patent/WO2023071312A1/zh not_active Ceased
- 2022-07-20 EP EP22885215.8A patent/EP4336543A4/en active Pending
- 2022-07-20 CN CN202280002288.9A patent/CN117296473A/zh active Pending
- 2022-07-20 US US18/287,529 patent/US12482417B2/en active Active
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| US20210193746A1 (en) * | 2019-12-20 | 2021-06-24 | Samsung Display Co., Ltd. | Display device |
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| CN113178163A (zh) * | 2021-04-27 | 2021-07-27 | 武汉天马微电子有限公司 | 一种显示面板及显示装置 |
| CN113241358A (zh) * | 2021-04-30 | 2021-08-10 | 合肥维信诺科技有限公司 | 显示面板及显示装置 |
| CN113990909A (zh) * | 2021-10-28 | 2022-01-28 | 京东方科技集团股份有限公司 | 显示面板及显示装置 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116568078A (zh) * | 2023-06-16 | 2023-08-08 | 京东方科技集团股份有限公司 | 显示基板及显示装置 |
| WO2024255556A1 (zh) * | 2023-06-16 | 2024-12-19 | 京东方科技集团股份有限公司 | 显示基板及显示装置 |
| CN116568078B (zh) * | 2023-06-16 | 2026-03-13 | 京东方科技集团股份有限公司 | 显示基板及显示装置 |
| EP4593567A4 (en) * | 2023-09-26 | 2026-01-21 | Boe Technology Group Co Ltd | DISPLAY SUBSTRATE AND DISPLAY DEVICE |
Also Published As
| Publication number | Publication date |
|---|---|
| EP4336543A4 (en) | 2024-04-17 |
| US20240212610A1 (en) | 2024-06-27 |
| EP4336543A1 (en) | 2024-03-13 |
| CN113990909B (zh) | 2025-09-23 |
| CN117296473A (zh) | 2023-12-26 |
| CN113990909A (zh) | 2022-01-28 |
| US12482417B2 (en) | 2025-11-25 |
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