WO2019148558A1 - 像素排列结构 - Google Patents

像素排列结构 Download PDF

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Publication number
WO2019148558A1
WO2019148558A1 PCT/CN2018/077253 CN2018077253W WO2019148558A1 WO 2019148558 A1 WO2019148558 A1 WO 2019148558A1 CN 2018077253 W CN2018077253 W CN 2018077253W WO 2019148558 A1 WO2019148558 A1 WO 2019148558A1
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WIPO (PCT)
Prior art keywords
sub
pixel
pixels
arrangement structure
length
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
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PCT/CN2018/077253
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English (en)
French (fr)
Inventor
赵勇
孙亮
李豪凯
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN202110324984.9A priority Critical patent/CN113053986B/zh
Priority to JP2020541411A priority patent/JP6987261B2/ja
Priority to KR1020207022159A priority patent/KR102420761B1/ko
Priority to EP18904186.6A priority patent/EP3748680A4/en
Priority to CN201880067061.6A priority patent/CN111226320A/zh
Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Publication of WO2019148558A1 publication Critical patent/WO2019148558A1/zh
Priority to US16/941,881 priority patent/US11355556B2/en
Priority to US16/941,817 priority patent/US10971054B2/en
Priority to US16/943,308 priority patent/US11522019B2/en
Priority to US16/943,330 priority patent/US11889719B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • 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
    • G09G3/2003—Display of colours
    • 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
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/352—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels the areas of the RGB subpixels being different
    • 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
    • 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
    • H10K59/30—Devices specially adapted for multicolour light emission
    • H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
    • H10K59/353—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels characterised by the geometrical arrangement of the RGB subpixels
    • 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
    • G09G2300/0452—Details of colour pixel setup, e.g. pixel composed of a red, a blue and two green components
    • 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

Definitions

  • the present invention relates to the field of display technologies, and in particular, to a pixel arrangement structure.
  • OLED Organic Light Emitting Display
  • OLED Organic Light Emitting Display
  • the OLED display device generally includes a substrate, an anode disposed on the substrate, a hole injection layer disposed on the anode, a hole transport layer disposed on the hole injection layer, and a light-emitting layer disposed on the hole transport layer.
  • the principle of luminescence of OLED display devices is that semiconductor materials and organic luminescent materials are driven by electric fields, causing luminescence by carrier injection and recombination.
  • an OLED display device generally employs an ITO pixel electrode and a metal electrode as anodes and cathodes of the device, respectively.
  • electrons and holes are injected from the cathode and the anode to the electron transport layer and the hole transport layer, respectively.
  • the holes migrate to the light-emitting layer through the electron transport layer and the hole transport layer, respectively, and meet in the light-emitting layer to form excitons and excite the light-emitting molecules, and the latter emits visible light through radiation relaxation.
  • the distance between the sub-pixel light-emitting areas is getting smaller and smaller, and the screen-mixed color of the vapor-deposited screen will become more and more serious, especially the traditional strip-shaped red (R) and green ( G), blue (B) three sub-pixels, the length of the open area of the FMM corresponding to each sub-pixel is long, the linearity control is difficult, and color mixing is easy to occur.
  • the conventional RGB strip pixel structure has a resolution if it is directly applied to the OLED panel. Can't improve, making difficult problems.
  • An object of the present invention is to provide a pixel arrangement structure, which can be applied to an OLED display panel, which can reduce the difficulty in manufacturing the OLED display panel and extend the life of the OLED display panel.
  • the present invention provides a pixel arrangement structure including a plurality of first pixel rows and a plurality of second pixel rows arranged alternately;
  • Each of the first pixel rows includes a plurality of first sub-pixels and a plurality of second sub-pixels arranged alternately and spaced apart, each second pixel row including a plurality of third sub-pixels arranged at intervals;
  • Two first sub-pixels and two second sub-pixels adjacent to the third sub-pixel form a virtual square, and the third sub-pixel is disposed adjacent to two first sub-pixels and two
  • the virtual area formed by the two sub-pixels has the same area of the first sub-pixel and the second sub-pixel, and the area of the first sub-pixel and the second sub-pixel is larger than the area of the third sub-pixel.
  • the shapes of the first sub-pixel, the second sub-pixel, and the third sub-pixel are all square.
  • the shape of the third sub-pixel is a circle.
  • the first sub-pixel and the second sub-pixel each include: four first sides and four second sides, and the first side and the second side are alternately connected to form a closed figure.
  • the first side is an arc that is recessed toward the inside of the closed figure, and the second side is a straight line.
  • the first side is an arc that is recessed toward the inside of the closed figure
  • the second side is an arc that protrudes toward the outside of the closed figure.
  • the four first sides have different radii of curvature
  • the four second sides have different radii of curvature.
  • the diagonal lines of the first sub-pixels and the second sub-pixels in each first pixel row are on the same straight line, and the diagonal lines of the third sub-pixel are parallel to the diagonal of the first sub-pixel .
  • a center of the first sub-pixel coincides with a first vertex of the virtual box, a center of the second sub-pixel and a second adjacent to the virtual box and the first vertex
  • the vertices coincide
  • the center of the third sub-pixel coincides with the center of the virtual square.
  • the first sub-pixel, the second sub-pixel, and the third sub-pixel have different colors, and are respectively one of a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
  • each first sub-pixel is respectively opposite to the four third sub-pixels adjacent to the first sub-pixel, and the four first sides of each second sub-pixel are respectively associated with the second sub- The four third sub-pixels adjacent to the pixel are opposite.
  • a distance from a first side of the first sub-pixel to an edge of the third sub-pixel opposite to the first side, and a first side of the second sub-pixel to a third sub-object opposite to the first side is a first length, the distance from the center point of the first sub-pixel and the second sub-pixel to the first side thereof is a second length, and the radius of the third sub-pixel is a third length ;
  • the pixel arrangement structure has a pixel density of 200 ppi to 600 ppi, the first length is 10 um to 30 um, the second length is 10 um to 50 um, and the third length is 4 um to 40 um.
  • the present invention also provides a pixel arrangement structure including a plurality of first pixel rows and a plurality of second pixel rows alternately arranged;
  • Each of the first pixel rows includes a plurality of first sub-pixels and a plurality of second sub-pixels arranged alternately and spaced apart, each second pixel row including a plurality of third sub-pixels arranged at intervals;
  • Two first sub-pixels and two second sub-pixels adjacent to the third sub-pixel form a virtual square, and the third sub-pixel is disposed adjacent to two first sub-pixels and two
  • the virtual area formed by the two sub-pixels has the same area of the first sub-pixel and the second sub-pixel, and an area of the first sub-pixel and the second sub-pixel is larger than an area of the third sub-pixel;
  • the shape of the third sub-pixel is a circle
  • the first sub-pixel and the second sub-pixel each include: four first sides and four second sides, and the first side and the second side are alternately connected to form a closed figure;
  • first side is an arc that is recessed toward the inside of the closed figure, and the second side is a straight line;
  • a center of the first sub-pixel coincides with a first vertex of the virtual box
  • a center of the second sub-pixel and a virtual box overlap with an adjacent second vertex of the first vertex
  • the center of the third sub-pixel coincides with the center of the virtual square.
  • the present invention provides a pixel arrangement structure including a plurality of first pixel rows and a plurality of second pixel rows alternately arranged; each first pixel row includes a plurality of first sub-arrays arranged alternately and at intervals a pixel and a plurality of second sub-pixels, each of the second pixel rows includes a plurality of third sub-pixels arranged at intervals; two first sub-pixels and two second sub-pixels adjacent to the third sub-pixel are formed a virtual block, the third sub-pixel is disposed in a virtual box formed by two adjacent first sub-pixels and two second sub-pixels, the first sub-pixel and the second sub-pixel having the same area The area of the first sub-pixel and the second sub-pixel is larger than the area of the third sub-pixel; applying the pixel arrangement structure to the OLED display panel can reduce the difficulty in manufacturing the OLED display panel and extend the OLED display panel Life expectancy.
  • FIG. 1 is a schematic view of a first embodiment of a pixel arrangement structure of the present invention
  • FIG. 2 is a schematic view showing a second embodiment of a pixel arrangement structure of the present invention.
  • FIG. 3 is a first schematic diagram of a third embodiment of a pixel arrangement structure of the present invention.
  • FIG. 4 is a second schematic diagram of a third embodiment of a pixel arrangement structure of the present invention.
  • FIG. 5 is a schematic diagram of comparison between a first embodiment of a pixel arrangement structure of the present invention and a prior embodiment
  • FIG. 6 is a schematic view showing a comparison between a first embodiment of a pixel arrangement structure of the present invention and another prior embodiment
  • FIG. 7 is a schematic view showing the comparison between the second embodiment of the pixel arrangement structure of the present invention and the first embodiment.
  • the invention provides a pixel arrangement structure, which is mainly applied to an OLED display panel to reduce the difficulty in manufacturing an OLED display panel and extend the life of the OLED display panel.
  • the pixel arrangement structure includes: a plurality of first pixel rows 10 and a plurality of second pixel rows 20 alternately arranged; each first pixel row 10 includes a plurality of first sub-pixels 31 and a plurality of second sub-pixels 32 arranged alternately and spaced apart, each second pixel row including a plurality of third sub-pixels 33 arranged at intervals; and the third sub-pixel 33
  • the two adjacent first sub-pixels 31 and the two second sub-pixels 32 form a virtual square SQ
  • the third sub-pixel 33 is disposed at two first sub-pixels 31 and two second sub-pixels adjacent thereto
  • the area of the first sub-pixel 31 and the second sub-pixel 32 is the same, and the area of the first sub-pixel 31 and the second sub-pixel 32 is larger than 33 of the third sub-pixel. area.
  • the center of the first sub-pixel 31 coincides with the first vertex P1 of the virtual box SQ
  • the center of the second sub-pixel 32 The virtual square SQ coincides with the adjacent second vertex P2 of the first vertex P1
  • the center of the third sub-pixel 33 coincides with the center C of the virtual box SQ.
  • the shapes of the first sub-pixel 31, the second sub-pixel 32, and the third sub-pixel 33 are all square, and each of the first sub-pixel 31 and the second sub-pixel 32 in each of the first pixel rows 10
  • the diagonal lines are on the same straight line, while the diagonal lines of the third sub-pixel 33 are parallel to the diagonal lines of the first sub-pixel 31, so that the four sides of each first sub-pixel 31 are respectively adjacent to the four
  • the three sub-pixels 33 are opposite to each other, and the four sides of each of the second sub-pixels 32 are also opposed to the four adjacent third sub-pixels 33, and the four first sides of each of the third sub-pixels 33 are respectively adjacent to the two first sub-pixels.
  • the pixel 31 is opposite to the two second sub-pixels 32.
  • the first sub-pixel 31, the second sub-pixel 32, and the third sub-pixel 33 have different colors, and are respectively one of a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
  • the first sub-pixel 31, the second sub-pixel 32, and the third sub-pixel 33 respectively emit red light, blue light, and green light, corresponding to the OLED display panel, that is, the first sub-pixel. 31.
  • the second sub-pixel 32 and the third sub-pixel 33 respectively include an organic light emitting diode that emits red light, blue light, and green light.
  • the first sub-pixel 31, the second sub-pixel 32, and the third sub-pixel 33 may also emit light of other colors.
  • the square sub-pixels in this embodiment have an advantage over the octagon sub-pixels.
  • the shapes of the first sub-pixel 31a and the second sub-pixel 32a are both octagonal, and the shape of the third sub-pixel is square, the first sub-pixel 31a and the third sub-pixel.
  • the distance between the distance and the distance between the second sub-pixel 32a and the third sub-pixel are both the first length Gap, as shown in FIG. 5, under the same first length Gap, the present invention passes the first sub- The pixel 31 and the second sub-pixel 32 are both arranged in a square shape, which increases the area of the first sub-pixel 31 and the second sub-pixel 32.
  • the area of the organic light-emitting diode is proportional to the lifetime of the OLED display panel, so that the present invention
  • the pixel arrangement of the first embodiment has a longer life than the embodiment in which the first sub-pixel 31a and the second sub-pixel 32a of the octagon are used, without changing the first length.
  • the shape of the first sub-pixel and the second sub-pixel is square, and the shape of the third sub-pixel 33b is octagonal, which is the same as the previous embodiment.
  • the present invention realizes that the area of the third sub-pixel is increased and the life of the OLED display panel is improved when the first length GAP is unchanged.
  • the pixel arrangement structure includes: a plurality of first pixel rows 10' and a plurality of second pixel rows 20' arranged alternately; each first The pixel row 10' includes a plurality of first sub-pixels 31' and a plurality of second sub-pixels 32' arranged alternately and spaced apart, each second pixel row including a plurality of third sub-pixels 33' arranged at intervals;
  • the two first sub-pixels 31' and the two second sub-pixels 32' adjacent to the third sub-pixel 33 form a virtual square SQ', and the third sub-pixel 33' is disposed adjacent to the two first Within the virtual block SQ' formed by the sub-pixel 31' and the two second sub-pixels 32', the areas of the first sub-pixel 31' and the second sub-pixel 32' are the same, the first sub-pixel 31' and The area of the second sub-pixel 32' is larger than the 33' area of the third sub-pixel.
  • the center of the first sub-pixel 31' coincides with the first vertex P1' of the virtual box SQ'
  • the second sub-pixel The center of 32' coincides with the adjacent second vertex P2' of the first vertex P1'
  • the center C' is coincident
  • the shape of the third sub-pixel 33' is circular
  • the first sub-pixel 31' and the second sub-pixel 32' each include: four first sides 301' and four second sides 302'
  • the first side 301 ′ and the second side 302 ′ are alternately connected end to end to form a closed figure
  • the first side 301 ′ is an arc that is recessed toward the inside of the closed figure
  • the second side 302 ′′ a straight line, such that the four first sides 301 ′ of each first sub-pixel 31 ′ are respectively opposite to the four third sub-pixels 33 ′ adjacent to the first sub-pixel 31 ′
  • the shapes of the first sub-pixel 31' and the second sub-pixel 32' should be identical, and each first sub-pixel
  • the radius of curvature of the four first sides 301' of the 31' and the second sub-pixels 32' is also the same, but in the actual fabrication process of the second embodiment of the pixel arrangement structure, due to the existence of manufacturing errors (such as an evaporation machine)
  • the manufacturing error caused by the difference in state) may actually be slightly different in shape of the first sub-pixel 31' and the second sub-pixel 32', and the four first sides 301' of each of the first sub-pixels 31'
  • the radius of curvature of the four first sides 301' of the second sub-pixel 32' may also be slightly offset, which does not affect the implementation of the present invention.
  • the third sub-pixel 33' is set to a circular shape, and A curved first side 301 ′ is disposed in a sub-pixel 31 ′ and a second sub-pixel 32 ′, which is more in line with the diffusion principle, and can effectively reduce the manufacturing difficulty of the FFM, while the circular third sub-pixel 33 ′ is the same.
  • the sub-pixel 33' is maximized in efficiency and conforms to the halo effect of the human eye, and four fourth sides adjacent to the first sub-pixel 31' are respectively disposed by the four first sides 301' of each of the first sub-pixels 31'.
  • the three sub-pixels 33' are opposite to each other, and the four first sides 301' of each second sub-pixel 32' are opposite to the four third sub-pixels 33' adjacent to the second sub-pixel 32', respectively, and may also be made to be sub-pixels. Maximize the spacing between the two.
  • the first sub-pixel 31', the second sub-pixel 32', and the third sub-pixel 33' have different colors, and are respectively one of a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
  • the first sub-pixel 31', the second sub-pixel 32', and the third sub-pixel 33' respectively emit red light, blue light, and green light, corresponding to the OLED display panel, that is, the first A sub-pixel 31', a second sub-pixel 32', and a third sub-pixel 33' respectively include organic light-emitting diodes that emit red, blue, and green light.
  • the first sub-pixel 31', the second sub-pixel 32', and the third sub-pixel 33' may also emit light of other colors.
  • the second embodiment is compared with the first embodiment, the distance between the first sub-pixel and the third sub-pixel, and the second sub-pixel and the third sub-pixel
  • the distance between the pixels that is, the first length Gap
  • the areas of the first sub-pixel 31' and the second sub-pixel 32' are larger, but the area of the third sub-pixel 33' is smaller, in the OLED display panel.
  • the lifetime of the organic light emitting diode emitting blue light is the worst, and the life of the organic light emitting diode emitting green light is better, and the overall life of the OLED display panel depends on the organic light emitting diode having the worst life.
  • the third sub-pixel 33 ′ corresponds to the organic light-emitting diode that emits green light
  • the second sub-pixel 32 ′ corresponds to the organic light-emitting diode that emits blue light.
  • the actual lifetime of the third sub-pixel 33 ′ after the area becomes smaller is still greater than the actual lifetime of the second sub-pixel 32 ′ after the area becomes larger, so that the overall lifetime of the OLED display panel still depends on the second sub-pixel 32 .
  • the actual life, the area of the second sub-pixel 32 ' is larger as compared to the first embodiment, so the overall life of the OLED display panel is larger compared to the first embodiment.
  • the distance from the first side of the first sub-pixel 31' to the edge of the third sub-pixel 33' opposite to the first side 301' and the second sub-pixel is a first length Gap, and the first sub-pixel 31' and the second sub-pixel 32'
  • the distance from the center point to the first side 301' is a second length b, and the radius of the third sub-pixel 33' is a third length r;
  • the implementation of the OLED display panel extends the overall life of the OLED display panel.
  • the pixel density of the pixel array structure is preferably 200 ppi to 600 ppi
  • the first length Gap is preferably 10 um to 30 um
  • the second length b is preferably 10 um to 50 um
  • the third length r is preferably 4 um to 40 um.
  • the first length Gap may be 20 um
  • the pixel arrangement structure may have a pixel density of 200 ppi
  • the second length b and the third length The sum of r may be 40 um
  • the second length b may be 10 um to 30 um.
  • the first length Gap may be 20 um
  • the pixel arrangement structure may have a pixel density of 250 ppi
  • the second length b and the third The sum of the lengths r may be 28 um
  • the second length b may be 10 um to 21 um.
  • the first length Gap may be 20 um
  • the pixel arrangement structure may have a pixel density of 300 ppi
  • the second length b and the third The sum of the lengths r may be 20 um
  • the second length b may be 10 um to 15 um.
  • the first length Gap may be 20 um
  • the pixel arrangement structure may have a pixel density of 350 ppi
  • the second length b and the third The sum of the lengths r may be 14 um
  • the second length b may be 10 um.
  • the first length Gap may be 15 um
  • the pixel arrangement structure may have a pixel density of 200 ppi
  • the second length b and the third The sum of the lengths r may be 45 um
  • the second length b may be 10 um to 33 um.
  • the first length Gap may be 15 um
  • the pixel arrangement structure may have a pixel density of 250 ppi
  • the second length b and the third The sum of the lengths r may be 33 um
  • the second length b may be 10 um to 24 um.
  • the first length Gap may be 15 um
  • the pixel arrangement structure may have a pixel density of 300 ppi
  • the second length and the third length The sum may be 25 um
  • the second length b may be 10 um to 18 um.
  • the first length Gap may be 15 um
  • the pixel arrangement structure may have a pixel density of 350 ppi
  • the second length b and the third The sum of the lengths r may be 19 um
  • the second length b may be 10 um to 14 um.
  • the first length Gap may be 15 um
  • the pixel arrangement structure may have a pixel density of 400 ppi
  • the second length b and the third The sum of the lengths r may be 15 um
  • the second length b may be 10 um to 11 um.
  • the first length Gap may be 25 um
  • the pixel arrangement structure may have a pixel density of 200 ppi
  • the second length b and the third The sum of the lengths r may be 35 um
  • the second length b may be 10 um to 26 um.
  • the first length Gap may be 25 um
  • the pixel arrangement structure may have a pixel density of 250 ppi
  • the second length b and the third The sum of the lengths r may be 23 um
  • the second length b may be 10 um to 17 um.
  • the first length Gap may be 25 um
  • the pixel arrangement structure may have a pixel density of 300 ppi
  • the second length b and the third The sum of the lengths r may be 15 um
  • the second length b may be 10 um to 11 um.
  • the pixel arrangement structure includes: a plurality of first pixel rows 10" and a plurality of second pixel rows 20" alternately arranged; a first pixel row 10" includes a plurality of first sub-pixels 31" and a plurality of second sub-pixels 32" alternately and spaced apart, each second pixel row including a plurality of third sub-pixels 33" spaced apart;
  • the two first sub-pixels 31" and the two second sub-pixels 32" adjacent to the third sub-pixel 33 form a virtual square SQ", and the third sub-pixel 33" is disposed adjacent to the two Within the virtual block SQ" formed by the first sub-pixel 31" and the two second sub-pixels 32", the first sub-pixel 31" and the second sub-pixel 32" have the same area, the first sub-pixel The area of the 31" and second sub-pixels 32" is larger than the 33" area of the third sub-pixel.
  • the center of the first sub-pixel 31" coincides with the first vertex P1" of the virtual box SQ
  • the first The center of the two sub-pixels 32" coincides with the virtual square SQ” and the adjacent second vertex P2" of the first vertex P1
  • the center C" of the SQ" coincides
  • the shape of the third sub-pixel 33" is circular
  • the first sub-pixel 31" and the second sub-pixel 32" have the same shape, and all include: four first sides 301" And the four second sides 302", the first side 301" and the second side 302" are alternately connected end to end to form a closed figure, and the first side 301" is an arc that is recessed toward the inside of the closed figure.
  • the second side 302" is an arc that protrudes toward the inside of the closed figure, that is, the shape of the second side 302" is similar to the bow arm of the bow
  • each first sub-pixel 31" may be disposed opposite to the four third sub-pixels 33" adjacent to the first sub-pixel 31", respectively.
  • the four first sides 301 ′ of a second sub-pixel 32 ′′ are respectively opposite to the four third sub-pixels 33 ′′ adjacent to the second sub-pixel 32 ′′, and each first sub-sub-set may be set as shown in FIG. 4 .
  • the four second sides 302" of the pixels 31" are respectively opposite to the four third sub-pixels 33" adjacent to the first sub-pixel 31", and the four second sides 302" of each second sub-pixel 32" are respectively associated with the The four third sub-pixels 33" adjacent to the second sub-pixel 32" are opposed.
  • the shapes of the first sub-pixel 31" and the second sub-pixel 32" should be identical, and each first sub-pixel 31" and the four first sides 301" of the second sub-pixel 32" have the same radius of curvature, and the radius of curvature of each of the first sub-pixel 31" and the second second side 302" of the second sub-pixel 32" is the same, but
  • the first sub-pixel 31" and the second sub-substantially produced are actually produced due to the existence of a manufacturing error (for example, a manufacturing error caused by a different state of the vapor deposition machine).
  • the shape of the pixel 32" may be slightly different, and the radius of curvature of the four first sides 301" of each of the first sub-pixel 31" and the second sub-pixel 32" may be slightly deviated, and each of the first sub-pixels 31"
  • the radius of curvature of the four second sides 302" of the second sub-pixel 32" may also be slightly offset, which does not affect the implementation of the present invention.
  • the third sub-pixel 33" is set to a circular shape
  • the first sub-pixel 31" and the second sub-pixel 32" are formed by the curved first side 301" and the second side 302", which are more in line with the diffusion principle, and can effectively reduce the difficulty of making the FFM, and at the same time the circular number
  • the three sub-pixels 33" are the smallest and most efficient shape in the same area, and since the human eye has a blooming effect, the minute non-circular illuminators are also regarded as approximately circular, so the third sub-pixel 33" is set to The circular shape can both maximize the efficiency of the third sub-pixel 33" and conform to the blooming effect of the human eye.
  • the colors of the first sub-pixel 31", the second sub-pixel 32", and the third sub-pixel 33" are different, and are respectively one of a red sub-pixel, a blue sub-pixel, and a green sub-pixel.
  • the first sub-pixel 31", the second sub-pixel 32", and the third sub-pixel 33" respectively emit red light, blue light, and green light, corresponding to the OLED display panel, that is, the first The sub-pixel 31", the second sub-pixel 32", and the third sub-pixel 33" respectively include an organic light-emitting diode that emits red, blue, and green light.
  • the first sub-pixel 31", the second sub-pixel 32" and the third sub-pixel 33" may also emit light of other colors.
  • the second side 302" is convex toward the outside of the closed figure, so that the first sub-pixel 31" and the second sub-pixel 32 are compared with the second embodiment.
  • the area is larger than that of the second embodiment, and the life is further improved.
  • the first sub-pixel and the second sub-pixel are fabricated by using the same metal mask to reduce the manufacturing cost and enhance the product competitiveness.
  • the present invention provides a pixel arrangement structure including a plurality of first pixel rows and a plurality of second pixel rows arranged alternately; each first pixel row includes a plurality of first sub-pixels alternately and spaced apart And a plurality of second sub-pixels, each of the second pixel rows includes a plurality of third sub-pixels arranged at intervals; and the two first sub-pixels and the two second sub-pixels adjacent to the third sub-pixel form a virtual a third sub-pixel is disposed in a virtual box formed by two adjacent first sub-pixels and two second sub-pixels, the first sub-pixel and the second sub-pixel having the same area, The area of the first sub-pixel and the second sub-pixel is larger than the area of the third sub-pixel; applying the pixel arrangement structure to the OLED display panel can reduce the difficulty in manufacturing the OLED display panel and extend the OLED display panel life.

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Abstract

本发明提供一种像素排列结构，包括交替排列的多个第一像素行及多个第二像素行；每一第一像素行包括交替且间隔排列的多个第一子像素和多个第二子像素，每一第二像素行包括间隔排列的多个第三子像素；与所述第三子像素相邻的两个第一子像素和两个第二子像素形成虚拟方框，所述第三子像素设置在与其相邻的两个第一子像素和两个第二子像素形成的虚拟方框内，所述第一子像素和第二子像素的面积相同，所述第一子像素和第二子像素的面积大于所述第三子像素的面积；将该像素排列结构应用于OLED显示面板中，能够降低OLED显示面板的制作难度，并延长OLED显示面板的寿命。

Description

像素排列结构 技术领域
本发明涉及显示技术领域，尤其涉及一种像素排列结构。
背景技术
有机发光二极管(Organic Light Emitting Display，OLED)显示装置具有自发光、驱动电压低、发光效率高、响应时间短、清晰度与对比度高、近180°视角、使用温度范围宽，可实现柔性显示与大面积全色显示等诸多优点，被业界公认为是最有发展潜力的显示装置。
OLED显示装置通常包括：基板、设于基板上的阳极、设于阳极上的空穴注入层、设于空穴注入层上的空穴传输层、设于空穴传输层上的发光层、设于发光层上的电子传输层、设于电子传输层上的电子注入层及设于电子注入层上的阴极。OLED显示器件的发光原理为半导体材料和有机发光材料在电场驱动下，通过载流子注入和复合导致发光。具体的，OLED显示器件通常采用ITO像素电极和金属电极分别作为器件的阳极和阴极，在一定电压驱动下，电子和空穴分别从阴极和阳极注入到电子传输层和空穴传输层，电子和空穴分别经过电子传输层和空穴传输层迁移到发光层，并在发光层中相遇，形成激子并使发光分子激发，后者经过辐射弛豫而发出可见光。
随着显示技术的发展，人们对于显示设备的分辨率以及亮度的要求越来越高，但要制作高分辨率的OLED显示屏就需要更高精度的金属掩膜板FMM(Fine Metal Mask)，因为，通常的条状子像素(RGB stripe)构成的像素中，在垂直于子像素条方向的方向上一个像素间距内要安排三个子像素，在像素密度高于300ppi时，现阶段FMM工艺实现起来非常困难。同时，由于分辨率的提高，子像素发光区域之间的距离要求越来越小，蒸镀出来的屏幕混色也会越来越严重，特别是传统的条状排列的红(R)、绿(G)、蓝(B)三个子像素，每个子像素对应的FMM的开口区域的长度较长，直线性控制困难，容易发生混色，传统的RGB strip像素结构如果直接应用在OLED面板上存在分辨率不能提高，制作难度大的问题。
发明内容
本发明的目的在于提供一种像素排列结构，将该像素排列结构应用于 OLED显示面板中，能够降低OLED显示面板的制作难度，并延长OLED显示面板的寿命。
为实现上述目的，本发明提供了一种像素排列结构，包括交替排列的多个第一像素行及多个第二像素行；
每一第一像素行包括交替且间隔排列的多个第一子像素和多个第二子像素，每一第二像素行包括间隔排列的多个第三子像素；
与所述第三子像素相邻的两个第一子像素和两个第二子像素形成虚拟方框，所述第三子像素设置在与其相邻的两个第一子像素和两个第二子像素形成的虚拟方框内，所述第一子像素和第二子像素的面积相同，所述第一子像素和第二子像素的面积大于所述第三子像素的面积。
可选地，所述第一子像素、第二子像素及第三子像素的形状均为方形。
可选地，所述第三子像素的形状为圆形。
可选地，所述第一子像素和第二子像素均包括：四条第一边和四条第二边，所述第一边与第二边交替相连围成封闭图形。
可选地，所述第一边为向所述封闭图形的内部凹陷的弧线，所述第二边为直线。
可选地，所述第一边为向所述封闭图形的内部凹陷的弧线，所述第二边向所述封闭图形的外部凸出的弧线。所述四条第一边具有不同的曲率半径，所述四条第二边具有不同的曲率半径。
可选地，每一第一像素行中各个第一子像素和第二子像素的对角线在同一条直线上，且第三子像素的对角线与第一子像素的对角线平行。
可选地，所述第一子像素的中心与所述虚拟方框的第一顶点重合，所述第二子像素的中心与所述虚拟方框与所述第一顶点的相邻的第二顶点重合，所述第三子像素的中心与所述虚拟方框的中心重合。
可选地，所述第一子像素、第二子像素及第三子像素的颜色不同，且分别为红色子像素、蓝色子像素及绿色子像素中的一种。
可选地，每一第一子像素的四条第一边分别与该第一子像素相邻的四个第三子像素相对，每一第二子像素的四条第一边分别与该第二子像素相邻的四个第三子像素相对。
可选地，所述第一子像素的第一边到与该第一边相对的第三子像素的边缘的距离以及第二子像素的第一边到与该第一边相对的第三子像素的边缘的距离均为第一长度，所述第一子像素和第二子像素的中心点到其第一边的距离均为第二长度，所述第三子像素的半径为第三长度；
所述像素排列结构的像素密度为200ppi～600ppi，所述第一长度为 10um～30um，所述第二长度为10um～50um，所述第三长度为4um～40um。
本发明还提供一种像素排列结构，包括交替排列的多个第一像素行及多个第二像素行；
每一第一像素行包括交替且间隔排列的多个第一子像素和多个第二子像素，每一第二像素行包括间隔排列的多个第三子像素；
与所述第三子像素相邻的两个第一子像素和两个第二子像素形成虚拟方框，所述第三子像素设置在与其相邻的两个第一子像素和两个第二子像素形成的虚拟方框内，所述第一子像素和第二子像素的面积相同，所述第一子像素和第二子像素的面积大于所述第三子像素的面积；
其中，所述第三子像素的形状为圆形；
其中，所述第一子像素和第二子像素均包括：四条第一边和四条第二边，所述第一边与第二边交替相连围成封闭图形；
其中，所述第一边为向所述封闭图形的内部凹陷的弧线，所述第二边为直线；
其中，所述第一子像素的中心与所述虚拟方框的第一顶点重合，所述第二子像素的中心与所述虚拟方框与所述第一顶点的相邻的第二顶点重合，所述第三子像素的中心与所述虚拟方框的中心重合。
本发明的有益效果：本发明提供一种像素排列结构，包括交替排列的多个第一像素行及多个第二像素行；每一第一像素行包括交替且间隔排列的多个第一子像素和多个第二子像素，每一第二像素行包括间隔排列的多个第三子像素；与所述第三子像素相邻的两个第一子像素和两个第二子像素形成虚拟方框，所述第三子像素设置在与其相邻的两个第一子像素和两个第二子像素形成的虚拟方框内，所述第一子像素和第二子像素的面积相同，所述第一子像素和第二子像素的面积大于所述第三子像素的面积；将该像素排列结构应用于OLED显示面板中，能够降低OLED显示面板的制作难度，并延长OLED显示面板的寿命。
附图说明
为了能更进一步了解本发明的特征以及技术内容，请参阅以下有关本发明的详细说明与附图，然而附图仅提供参考与说明用，并非用来对本发明加以限制。
附图中，
图1为本发明的像素排列结构的第一实施例的示意图；
图2为本发明的像素排列结构的第二实施例的示意图；
图3为本发明的像素排列结构的第三实施例的第一排列示意图；
图4为本发明的像素排列结构的第三实施例的第二排列示意图；
图5为本发明的像素排列结构的第一实施例与一现有实施例的对比示意图；
图6为本发明的像素排列结构的第一实施例与另一现有实施例的对比示意图；
图7为本发明的像素排列结构的第二实施例与第一实施例的对比示意图。
具体实施方式
为更进一步阐述本发明所采取的技术手段及其效果，以下结合本发明的优选实施例及其附图进行详细描述。
本发明提供一种像素排列结构，主要应用于OLED显示面板，以降低OLED显示面板的制作难度，并延长OLED显示面板的寿命。
请参阅图1，在本发明的像素排列结构第一实施例中，所述像素排列结构包括：交替排列的多个第一像素行10及多个第二像素行20；每一第一像素行10包括交替且间隔排列的多个第一子像素31和多个第二子像素32，每一第二像素行包括间隔排列的多个第三子像素33；与所述第三子像素33相邻的两个第一子像素31和两个第二子像素32形成虚拟方框SQ，所述第三子像素33设置在与其相邻的两个第一子像素31和两个第二子像素32形成的虚拟方框SQ内，所述第一子像素31和第二子像素32的面积相同，所述第一子像素31和第二子像素32的面积大于所述第三子像素的33面积。
具体地，如图1所示，在所述第一实施例中，所述第一子像素31的中心与所述虚拟方框SQ的第一顶点P1重合，所述第二子像素32的中心与所述虚拟方框SQ与所述第一顶点P1的相邻的第二顶点P2重合，所述第三子像素33的中心与所述虚拟方框SQ的中心C重合。
进一步地，所述第一子像素31、第二子像素32及第三子像素33的形状均为方形，且每一第一像素行10中各个第一子像素31和第二子像素32的对角线在同一条直线上，同时第三子像素33的对角线与第一子像素31的对角线平行，从而每一第一子像素31的四条边分别与其相邻的四个第三子像素33相对，每一第二子像素32的四条边也分别与其相邻的四个第三子像素33相对，每一第三子像素33四条边分别与其相邻的两个第一子像素31和两个第二子像素32相对。
优选地，所述第一子像素31、第二子像素32及第三子像素33的颜色 不同，且分别为红色子像素、蓝色子像素及绿色子像素中的一种。在第一实施例中，所述第一子像素31、第二子像素32及第三子像素33分别发红光、蓝光及绿光，对应到OLED显示面板中，即所述第一子像素31、第二子像素32及第三子像素33分别包括发射红光、蓝光及绿光的有机发光二极管。当然，在本发明的其他实施例中，所述第一子像素31、第二子像素32及第三子像素33也可以发射其他颜色的光。
需要说明的是，本实施例中的方形子像素相对于八边形的子像素具有优势。如图5所示，相比于第一子像素31a及第二子像素32a的形状均为八边形，而第三子像素的形状为方形，所述第一子像素31a与第三子像素之间的距离以及所述第二子像素32a和第三子像素之间的距离均为第一长度Gap，如图5所示，在相同的第一长度Gap下，本发明通过将第一子像素31和第二子像素32均设置为方形，增大了第一子像素31和第二子像素32的面积，对应到OLED显示面板中，有机发光二极管的面积与其寿命成正比，从而本发明的第一实施例的像素排列方式相比采用八边形的第一子像素31a及第二子像素32a的实施例，在第一长度的不变的情况下，具有更长的寿命。
与之类似的，请参阅图6，相比于第一子像素及第二子像素的形状均为方形，而第三子像素33b的形状为八边形的实施例，与上一实施例相同的，本发明通过将第三子像素33的形状设置为方形，实现了在第一长度GAP不变的情况下，增大第三子像素的面积，提升OLED显示面板的寿命。
请参阅图2，在本发明的像素排列结构第二实施例中，所述像素排列结构包括：交替排列的多个第一像素行10’及多个第二像素行20’；每一第一像素行10’包括交替且间隔排列的多个第一子像素31’和多个第二子像素32’，每一第二像素行包括间隔排列的多个第三子像素33’；与所述第三子像素33相邻的两个第一子像素31’和两个第二子像素32’形成虚拟方框SQ’，所述第三子像素33’设置在与其相邻的两个第一子像素31’和两个第二子像素32’形成的虚拟方框SQ’内，所述第一子像素31’和第二子像素32’的面积相同，所述第一子像素31’和第二子像素32’的面积大于所述第三子像素的33’面积。
具体地，如图2所示，在所述第二实施例中，所述第一子像素31’的中心与所述虚拟方框SQ’的第一顶点P1’重合，所述第二子像素32’的中心与所述虚拟方框SQ’与所述第一顶点P1’的相邻的第二顶点P2’重合，所述第三子像素33’的中心与所述虚拟方框SQ’的中心C’重合，所述第三子像素33’的形状为圆形，所述第一子像素31’和第二子像素32’均包括：四条第一边301’和四条第二边302’，所述第一边301’与第二边302’交替首尾相连围 成封闭图形，且所述第一边301’为向所述封闭图形的内部凹陷的弧线，所述第二边302’为直线，从而每一第一子像素31’的四条第一边301’分别与该第一子像素31’相邻的四个第三子像素33’相对，每一第二子像素32’的四条第一边301’分别与该第二子像素32’相邻的四个第三子像素33’相对。
值得一提的是，在所述像素排列结构的第二实施例的理想状态下，所述第一子像素31’和第二子像素32’的形状应完全相同，且每一个第一子像素31’和第二子像素32’的四条第一边301’的曲率半径也相同，但在所述像素排列结构的第二实施例在实际制作过程中，由于制作误差的存在(例如蒸镀机状态不同导致的制作误差)，实际制得的所述第一子像素31’和第二子像素32’的形状可能略有不同，而每一个第一子像素31’的四条第一边301’和第二子像素32’的四条第一边301’的曲率半径也可能会稍有偏差，这不会影响本发明的实现。
需要说明的是，在实际生产中制作FMM时，无论蚀刻还是激光，在制作方形或带尖的图形都比较困难，而在本发明中将第三子像素33’设置为圆形，并在第一子像素31’和第二子像素32’中设置弧形的第一边301’，更加符合扩散原理，能够有效降低FFM的制作难度，与此同时圆形的第三子像素33’是相同面积中边长最小，效率最高的形状，且由于人眼有晕光效应，微小非圆发光体也会看成近似圆形，因此将第三子像素33’设置成圆形既能使得第三子像素33’效率最大化，又符合人眼的晕光效应，且通过设置每一第一子像素31’的四条第一边301’分别与该第一子像素31’相邻的四个第三子像素33’相对，每一第二子像素32’的四条第一边301’分别与该第二子像素32’相邻的四个第三子像素33’相对，还可使得子像素之间的间距最大化。
优选地，所述第一子像素31’、第二子像素32’及第三子像素33’的颜色不同，且分别为红色子像素、蓝色子像素及绿色子像素中的一种。在第二实施例中，所述第一子像素31’、第二子像素32’及第三子像素33’分别发射红光、蓝光及绿光，对应到OLED显示面板中，即所述第一子像素31’、第二子像素32’及第三子像素33’分别包括发射红光、蓝光及绿光的有机发光二极管。当然，在本发明的其他实施例中，所述第一子像素31’、第二子像素32’及第三子像素33’也可以发射其他颜色的光。
进一步地，如图7所示，所述第二实施例与第一实施例相比，在所述第一子像素与第三子像素之间的距离以及所述第二子像素和第三子像素之间的距离即第一长度Gap不变的情况下，第一子像素31’和第二子像素32’的面积更大，但第三子像素33’的面积更小，在OLED显示面板中，发射蓝光的有机发光二极管的寿命最差，而发射绿光的有机发光二极管的寿命较 好，OLED显示面板的整体寿命取决寿命最差的有机发光二极管，因此，在本发明的第二实施例中，虽然第三子像素33’的面积变小，但由于第三子像素33’对应的是发射绿光的有机发光二极管，而第二子像素32’对应的是发射蓝光的有机发光二极管，在实际实施时，面积变小之后的第三子像素33’的实际寿命仍然大于面积变大之后第二子像素32’的实际寿命，从而OLED显示面板整体寿命仍取决第二子像素32’的实际寿命，而第二子像素32’的面积相比于第一实施例更大，从而OLED显示面板的整体寿命相比第一实施例更大。
具体的，在本发明的第二实施例中，所述第一子像素31’的第一边到与该第一边301’相对的第三子像素33’的边缘的距离以及第二子像素32’的第一边301’到与该第一边301’相对的第三子像素33’的边缘的距离均为第一长度Gap，所述第一子像素31’和第二子像素32’的中心点到其第一边301’的距离均为第二长度b，所述第三子像素33’的半径为第三长度r；
具体实施时，为了使得面积变小之后的第三子像素33’的实际寿命仍然大于面积变大之后第二子像素32’的实际寿命，从的实现延长OLED显示面板的整体寿命的目的，所述像素排列结构的像素密度优选为200ppi～600ppi，所述第一长度Gap优选为10um～30um，所述第二长度b优选为10um～50um，所述第三长度r优选为4um～40um。
可选地，在本发明第二实施例的一具体实施方案中，所述第一长度Gap可为20um，所述像素排列结构的像素密度可为200ppi，所述第二长度b与第三长度r的和可为40um，所述第二长度b可为10um～30um。
可选地，在本发明第二实施例的另一具体实施方案中，所述第一长度Gap可为20um，所述像素排列结构的像素密度可为250ppi，所述第二长度b和第三长度r的和可为28um，所述第二长度b的可为10um～21um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为20um，所述像素排列结构的像素密度可为300ppi，所述第二长度b和第三长度r的和可为20um，所述第二长度b可为10um～15um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为20um，所述像素排列结构的像素密度可为350ppi，所述第二长度b和第三长度r的和可为14um，所述第二长度b可为10um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为15um，所述像素排列结构的像素密度可为200ppi，所述第二长度b和第三长度r的和可为45um，所述第二长度b可为10um～33um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度 Gap可为15um，所述像素排列结构的像素密度可为250ppi，所述第二长度b和第三长度r的和可为33um，所述第二长度b可为10um～24um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为15um，所述像素排列结构的像素密度可为300ppi，所述第二长度和第三长度的和可为25um，所述第二长度b可为10um～18um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为15um，所述像素排列结构的像素密度可为350ppi，所述第二长度b和第三长度r的和可为19um，所述第二长度b可为10um～14um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为15um，所述像素排列结构的像素密度可为400ppi，所述第二长度b和第三长度r的和可为15um，所述第二长度b可为10um～11um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为25um，所述像素排列结构的像素密度可为200ppi，所述第二长度b和第三长度r的和可为35um，所述第二长度b可为10um～26um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为25um，所述像素排列结构的像素密度可为250ppi，所述第二长度b和第三长度r的和可为23um，所述第二长度b可为10um～17um。
可选地，在本发明第二实施例的又一具体实施方案中，所述第一长度Gap可为25um，所述像素排列结构的像素密度可为300ppi，所述第二长度b和第三长度r的和可为15um，所述第二长度b可为10um～11um。
请参阅图3及图4，在本发明的像素排列结构第三实施例中，所述像素排列结构包括：交替排列的多个第一像素行10”及多个第二像素行20”；每一第一像素行10”包括交替且间隔排列的多个第一子像素31”和多个第二子像素32”，每一第二像素行包括间隔排列的多个第三子像素33”；与所述第三子像素33相邻的两个第一子像素31”和两个第二子像素32”形成虚拟方框SQ”，所述第三子像素33”设置在与其相邻的两个第一子像素31”和两个第二子像素32”形成的虚拟方框SQ”内，所述第一子像素31”和第二子像素32”的面积相同，所述第一子像素31”和第二子像素32”的面积大于所述第三子像素的33”面积。
具体地，如图3或图4所示，在所述第三实施例中，所述第一子像素31”的中心与所述虚拟方框SQ”的第一顶点P1”重合，所述第二子像素32”的中心与所述虚拟方框SQ”与所述第一顶点P1”的相邻的第二顶点P2”重合，所述第三子像素33”的中心与所述虚拟方框SQ”的中心C”重合，所述第三子像素33”的形状为圆形，所述第一子像素31”和第二子像素32”的形状相 同，均包括：四条第一边301”和四条第二边302”，所述第一边301”与第二边302”交替首尾相连围成封闭图形，且所述第一边301”为向所述封闭图形的内部凹陷的弧线，所述第二边302”为向所述封闭图形的内部凸出的弧线，也即所述第二边302”的形状与弓箭的弓臂相似。
具体排列时，如图3所示，可以设置每一第一子像素31”的四条第一边301”分别与该第一子像素31”相邻的四个第三子像素33”相对，每一第二子像素32”的四条第一边301”分别与该第二子像素32”相邻的四个第三子像素33”相对，也可以如图4所示，设置每一第一子像素31”的四条第二边302”分别与该第一子像素31”相邻的四个第三子像素33”相对，每一第二子像素32”的四条第二边302”分别与该第二子像素32”相邻的四个第三子像素33”相对。
值得一提的是，在所述像素排列结构的第三实施例的理想状态下，所述第一子像素31”和第二子像素32”的形状应完全相同，且每一个第一子像素31”和第二子像素32”的四条第一边301”的曲率半径相同，每一个第一子像素31”和第二子像素32”的四条第二边302”的曲率半径相同，但在所述像素排列结构的第三实施例在实际制作过程中，由于制作误差的存在(例如蒸镀机状态不同导致的制作误差)，实际制得的所述第一子像素31”和第二子像素32”的形状可能略有不同，而每一个第一子像素31”和第二子像素32”的四条第一边301”的曲率半径也可能稍有偏差，每一个第一子像素31”和第二子像素32”的四条第二边302”的曲率半径也可能稍有偏差，这不会影响本发明的实现。
需要说明的是，在实际生产中制作FMM时，无论蚀刻还是激光，在制作方形或带尖的图形都比较困难，而在本发明中将第三子像素33”设置为圆形，并在第一子像素31”和第二子像素32”中由弧形的第一边301”和第二边302”构成，更加符合扩散原理，能够有效降低FFM的制作难度，与此同时圆形的第三子像素33”是相同面积中边长最小，效率最高的形状，且由于人眼有晕光效应，微小非圆发光体也会看成近似圆形，因此将第三子像素33”设置成圆形既能使得第三子像素33”效率最大化，又符合人眼的晕光效应。
优选地，所述第一子像素31”、第二子像素32”及第三子像素33”的颜色不同，且分别为红色子像素、蓝色子像素及绿色子像素中的一种。在第三实施例中，所述第一子像素31”、第二子像素32”及第三子像素33”分别发射红光、蓝光及绿光，对应到OLED显示面板中，即所述第一子像素31”、第二子像素32”及第三子像素33”分别包括发射红光、蓝光及绿光的有机发光二极管。当然，在本发明的其他实施例中，所述第一子像素31”、第二子 像素32”及第三子像素33”也可以发射其他颜色的光。
进一步地，与第二实施例相比，所述第三实施例中，所述第二边302”为向封闭图形的外部凸出弧形，使得第一子像素31”和第二子像素32”面积相比于第二实施例更大，寿命得以进一步提升。
同时，在本发明的各个实施例中，通过设置所述第一子像素和第二子像素形状和面积均完全相同，故而在采用本发明的像素排列结构的OLED显示面板的制作过程中，可采用同一个金属掩膜板制作所述第一子像素和第二子像素，以降低制作成本，提升产品竞争力。
综上所述，本发明提供一种像素排列结构，包括交替排列的多个第一像素行及多个第二像素行；每一第一像素行包括交替且间隔排列的多个第一子像素和多个第二子像素，每一第二像素行包括间隔排列的多个第三子像素；与所述第三子像素相邻的两个第一子像素和两个第二子像素形成虚拟方框，所述第三子像素设置在与其相邻的两个第一子像素和两个第二子像素形成的虚拟方框内，所述第一子像素和第二子像素的面积相同，所述第一子像素和第二子像素的面积大于所述第三子像素的面积；将该像素排列结构应用于OLED显示面板中，能够降低OLED显示面板的制作难度，并延长OLED显示面板的寿命。
以上所述，对于本领域的普通技术人员来说，可以根据本发明的技术方案和技术构思作出其他各种相应的改变和变形，而所有这些改变和变形都应属于本发明权利要求的保护范围。

Claims (16)

  1. 一种像素排列结构，包括交替排列的多个第一像素行及多个第二像素行；
    每一第一像素行包括交替且间隔排列的多个第一子像素和多个第二子像素，每一第二像素行包括间隔排列的多个第三子像素；
    与所述第三子像素相邻的两个第一子像素和两个第二子像素形成虚拟方框，所述第三子像素设置在与其相邻的两个第一子像素和两个第二子像素形成的虚拟方框内，所述第一子像素和第二子像素的面积相同，所述第一子像素和第二子像素的面积大于所述第三子像素的面积。
  2. 如权利要求1所述的像素排列结构，其中，所述第一子像素、第二子像素及第三子像素的形状均为方形。
  3. 如权利要求1所述的像素排列结构，其中，所述第三子像素的形状为圆形。
  4. 如权利要求3所述的像素排列结构，其中，所述第一子像素和第二子像素均包括：四条第一边和四条第二边，所述第一边与第二边交替相连围成封闭图形。
  5. 如权利要求4所述的像素排列结构，其中，所述第一边为向所述封闭图形的内部凹陷的弧线，所述第二边为直线。
  6. 如权利要求4所述的像素排列结构，其中，所述第一边为向所述封闭图形的内部凹陷的弧线，所述第二边向所述封闭图形的外部凸出的弧线。
  7. 如权利要求6所述的像素排列结构，其中，所述四条第一边具有不同的曲率半径，所述四条第二边具有不同的曲率半径。
  8. 如权利要求2所述的像素排列结构，其中，每一第一像素行中各个第一子像素和第二子像素的对角线在同一条直线上，且第三子像素的对角线与第一子像素的对角线平行。
  9. 如权利要求1所述的像素排列结构，其中，所述第一子像素的中心与所述虚拟方框的第一顶点重合，所述第二子像素的中心与所述虚拟方框与所述第一顶点的相邻的第二顶点重合，所述第三子像素的中心与所述虚拟方框的中心重合。
  10. 如权利要求1所述的像素排列结构，其中，所述第一子像素、第二子像素及第三子像素的颜色不同，且分别为红色子像素、蓝色子像素及绿色子像素中的一种。
  11. 如权利要求5所述像素排列结构，其中，每一第一子像素的四条第一边分别与该第一子像素相邻的四个第三子像素相对，每一第二子像素的四条第一边分别与该第二子像素相邻的四个第三子像素相对。
  12. 如权利要求11所述的像素排列结构，其中，所述第一子像素的第一边到与该第一边相对的第三子像素的边缘的距离以及第二子像素的第一边到与该第一边相对的第三子像素的边缘的距离均为第一长度，所述第一子像素和第二子像素的中心点到其第一边的距离均为第二长度，所述第三子像素的半径为第三长度；
    所述像素排列结构的像素密度为200ppi～600ppi，所述第一长度为10um～30um，所述第二长度为10um～50um，所述第三长度为4um～40um。
  13. 一种像素排列结构，包括交替排列的多个第一像素行及多个第二像素行；
    每一第一像素行包括交替且间隔排列的多个第一子像素和多个第二子像素，每一第二像素行包括间隔排列的多个第三子像素；
    与所述第三子像素相邻的两个第一子像素和两个第二子像素形成虚拟方框，所述第三子像素设置在与其相邻的两个第一子像素和两个第二子像素形成的虚拟方框内，所述第一子像素和第二子像素的面积相同，所述第一子像素和第二子像素的面积大于所述第三子像素的面积；
    其中，所述第三子像素的形状为圆形；
    其中，所述第一子像素和第二子像素均包括：四条第一边和四条第二边，所述第一边与第二边交替相连围成封闭图形；
    其中，所述第一边为向所述封闭图形的内部凹陷的弧线，所述第二边为直线；
    其中，所述第一子像素的中心与所述虚拟方框的第一顶点重合，所述第二子像素的中心与所述虚拟方框与所述第一顶点的相邻的第二顶点重合，所述第三子像素的中心与所述虚拟方框的中心重合。
  14. 如权利要求13所述的像素排列结构，其中，所述第一子像素、第二子像素及第三子像素的颜色不同，且分别为红色子像素、蓝色子像素及绿色子像素中的一种。
  15. 如权利要求13所述像素排列结构，其中，每一第一子像素的四条第一边分别与该第一子像素相邻的四个第三子像素相对，每一第二子像素的四条第一边分别与该第二子像素相邻的四个第三子像素相对。
  16. 如权利要求15所述的像素排列结构，其中，所述第一子像素的第一边到与该第一边相对的第三子像素的边缘的距离以及第二子像素的第一 边到与该第一边相对的第三子像素的边缘的距离均为第一长度，所述第一子像素和第二子像素的中心点到其第一边的距离均为第二长度，所述第三子像素的半径为第三长度；
    所述像素排列结构的像素密度为200ppi～600ppi，所述第一长度为10um～30um，所述第二长度为10um～50um，所述第三长度为4um～40um。
PCT/CN2018/077253 2018-02-01 2018-02-26 像素排列结构 Ceased WO2019148558A1 (zh)

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