WO2020007139A1 - Procédé de fabrication d'ensemble affichage, ensemble affichage et dispositif électronique - Google Patents

Procédé de fabrication d'ensemble affichage, ensemble affichage et dispositif électronique Download PDF

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Publication number
WO2020007139A1
WO2020007139A1 PCT/CN2019/089132 CN2019089132W WO2020007139A1 WO 2020007139 A1 WO2020007139 A1 WO 2020007139A1 CN 2019089132 W CN2019089132 W CN 2019089132W WO 2020007139 A1 WO2020007139 A1 WO 2020007139A1
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WO
WIPO (PCT)
Prior art keywords
hole
mounting
display
display panel
light
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
Application number
PCT/CN2019/089132
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English (en)
Chinese (zh)
Inventor
唐义梅
成蛟
欧阳志斌
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.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp 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.)
Filing date
Publication date
Application filed by Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Publication of WO2020007139A1 publication Critical patent/WO2020007139A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • G02F1/1336—Illuminating devices
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1339—Gaskets; Spacers; Sealing of cells

Definitions

  • the present application relates to the technical field of electronic products, and in particular, to a method for manufacturing a display component, a display component, and an electronic device.
  • Electronic devices with a high screen ratio have a larger proportion of display area, providing users with a better user experience.
  • mainstream manufacturers are conducting technology research and development to increase the proportion of electronic device screens.
  • the application provides a method for manufacturing a display module, a display module manufactured using the manufacturing method, and an electronic device having the display module.
  • a method for manufacturing a display component wherein the method for manufacturing the display component includes:
  • a cover plate, a display panel, and a backlight module are provided, wherein the cover plate has a light-transmitting area, the display panel has a display area, a first mounting through-hole is opened in the display area, and the backlight module is opened on A second mounting through-hole having a smaller diameter than the first mounting through-hole;
  • the spray needle to spray light-shielding glue, so that the light-shielding glue covers part of the hole wall of the first mounting through hole close to the backlight module, and the second mounting through hole is close to the outside of the open end of the display panel .
  • a display component wherein the display component includes a cover plate, a display panel, and a backlight module laminated and laminated in order; the cover plate has a light transmitting area; and the display panel has a display corresponding to the light transmitting area.
  • Area the display area is provided with a first mounting through hole; the backlight module is provided with a second mounting through hole, and the aperture of the second mounting through hole is smaller than the aperture of the first mounting through hole.
  • the second mounting through hole is aligned with the first mounting through hole; the first mounting through hole is close to a part of a hole wall of the backlight module, and the second mounting through hole is close to an opening of the display panel.
  • the camera module includes the camera module and the display component described above, and the camera module extends into the second mounting through hole to allow external light to pass through the light transmitting area and pass through the light transmitting area.
  • the first mounting through-hole enters the camera module; the light-shielding adhesive is used to block light leaking from a bonding interface between the backlight module and the display panel from entering the camera module.
  • the manufacturing method of the display module, the display module and the electronic device of the present application form light shielding by forming a part of the wall of the first mounting through hole close to the backlight module and the surface of the backlight module facing the display panel and located within the first mounting through hole.
  • Adhesive layer so that when the camera module is assembled on the display module, the camera module is close to the display panel and the backlight module, and the light-shielding adhesive layer is blocked between the display panel and the camera module.
  • the path for the light leaked from the backlight module bonding interface to enter the camera module is blocked, so as to avoid the light leakage and crosstalk of the camera module from the display module.
  • FIG. 1 is a schematic cross-sectional structure diagram of a cover plate, a display panel, and a backlight module sequentially laminated in the embodiment of the present application;
  • FIG. 2 is a schematic diagram of a partially enlarged structure at A in FIG. 1;
  • FIG. 3 is a partially enlarged structural schematic view of extending a spraying needle tube into a position B in FIG. 2 to perform light-shielding glue spraying;
  • FIG. 4 is a schematic structural view of the workpiece in FIG. 2 after being sprayed with light-shielding glue;
  • FIG. 5 is a schematic structural diagram of a further improvement of the spray needle tube in FIG. 3;
  • FIG. 6 is a schematic structural diagram of a groove provided on the backlight module in FIG. 5;
  • FIG. 6 is a schematic structural diagram of a groove provided on the backlight module in FIG. 5;
  • FIG. 7 is a schematic structural view of the workpiece in FIG. 2 after being sprayed with light-shielding glue;
  • FIG. 8 is a schematic cross-sectional structure diagram of a display assembly in an embodiment of the present application.
  • FIG. 9 is a schematic diagram of a partially enlarged structure at A in FIG. 8; FIG.
  • FIG. 10 is another schematic diagram of a partially enlarged structure at A in FIG. 8; FIG.
  • FIG. 11 is an exploded schematic view of the backlight module in FIG. 10;
  • FIG. 12 is a schematic diagram of a partially enlarged structure at C in FIG. 11; FIG.
  • FIG. 13 is a schematic structural diagram of a front view of an electronic device according to an embodiment of the present application.
  • FIG. 14 is a schematic cross-sectional structure diagram of the electronic device in FIG. 13;
  • FIG. 15 is a schematic diagram of a partially enlarged structure at A in FIG. 14.
  • Embodiments of the present application provide a method for manufacturing a display module, a display module manufactured using the manufacturing method, and an electronic device having the display module.
  • the display component is used to display a picture.
  • Electronic devices include, but are not limited to, products such as mobile phones, tablets, laptops, and wearables.
  • An electronic device may have a function module, which is a module with a certain mechanical structure and circuit structure, which can receive user or environmental feedback, collect user or environmental data, and is used to achieve specific functions.
  • the functional modules include, but are not limited to, a camera module, a flash module, an infrared module, a ranging module, a light sensor module, a face recognition module, an iris recognition module, a fingerprint module, and the like.
  • the function module is a camera module as an example for description. Of course, the scheme of the present application is not limited to this.
  • a cover plate for a light-transmitting area
  • the display panel has a display area, and a first mounting through-hole is opened in the display area
  • the backlight module A second mounting through hole is opened on the top, and the diameter of the second mounting through hole is smaller than the diameter of the first mounting through hole;
  • a spray needle having a flow channel for spraying glue
  • the cover plate 11 is used to protect the display panel 12.
  • the cover plate 11 has a light-transmitting area and an opaque area.
  • the light-transmitting area is a screen display area.
  • the opaque area is used to shield the components covered by the cover 11 that do not need to be seen by the user.
  • the display panel 12 is used for displaying pictures, and the backlight module 13 is used as a backlight source of the display panel 12.
  • the display panel 12 has a display area (that is, a region where pixels are arranged) for displaying a screen, and an area of the display area is substantially equal to an area of the light-transmitting area.
  • the display area can transmit light.
  • the display panel 12 also has a non-transmissive non-display area, and circuits, wirings, etc. can be arranged in the non-display area.
  • a first mounting through-hole h1 is defined in the display area of the display panel 12. The first mounting through-hole h1 may be formed during the manufacturing process of the display panel 12.
  • the display panel 12 has a display area (that is, a region in which pixels are arranged) for displaying a screen, and the display area can transmit light.
  • the display panel 12 also has a non-transmissive non-display area, and circuits, wirings, and the like can be arranged in the non-display area.
  • a first mounting through hole h1 is defined in a display area of the display panel 12.
  • the backlight module 13 is used to provide backlight for the display panel 12.
  • the backlight module 13 is provided with a second mounting through hole h2, and the aperture of the second mounting through hole h2 is smaller than that of the first mounting through hole h1.
  • the cover plate 11 and the display panel 12 may be bonded by using a bonding process using the optical transparent adhesive 14.
  • the use of optical transparent adhesive bonding can make the display component thin, ensure the display effect, and have sufficient connection strength.
  • the cover plate 11 and the display panel 12 may also be connected by other methods, which is not limited in this application.
  • the correspondence between the light-transmitting area and the display area means that the positions of the light-transmitting area and the display area basically coincide, so that the light emitted by the display area passes through the light-transmitting area and enters the human eye to form a picture.
  • step 03 the backlight module 13 is attached to the side of the display panel 12 facing away from the cover plate 11 by using a bonding process.
  • aligning the second mounting through hole h2 with the first mounting through hole h1 means that the axis of the second mounting through hole h2 coincides with the axis of the first mounting through hole h1.
  • the alignment may also mean that the axis of the second mounting through hole h2 and the axis of the first mounting through hole h1 have a slight deviation within an allowable range. As shown in FIG.
  • the second mounting through-hole h2 since the hole diameter of the second mounting through-hole h2 is smaller than the hole diameter of the first mounting through-hole h1, after the backlight module 13 is attached to the display panel 12, the second mounting through-hole h2 communicates with the first mounting through-hole.
  • An inverse structure is formed at the connection of the hole h1, that is, a part of the surface of the backlight module 13 facing the display panel 12 is located in the first mounting through-hole h1.
  • a spraying tool may be provided.
  • the spraying tool includes a glue storage cavity (not shown) that contains light-shielding glue (opaque and has the ability to block light), and communicates with the glue storage cavity.
  • the spray needle T The spraying needle tube T has a flow channel T1 for glue injection, and the light-shielding glue is ejected from the flow channel T1.
  • the spraying needle tube T and the flow channel T1 are both straight, so as to facilitate the ejection of the glue.
  • the spraying needle tube T and the flow channel T1 may also be bent to meet a special position (for example, at the above-mentioned inverted structure, the spraying needle tube T may be bent toward the inverted structure, so that the glue is sprayed onto the inverted structure Requirements).
  • the spraying needle tube T can be tilted into the first mounting through hole relative to the workpiece (the component made through the above steps and including the cover plate 11, the display panel 12, and the backlight module 13). Inside h1 (the spraying needle tube T naturally extends into the second mounting through hole h2), so that the outlet of the flow channel T1 is close to and facing the inverted buckle structure, so that the light-shielding glue is sprayed to this position.
  • the flow channel T1 and the display surface of the display panel 12 can be made into a first acute angle a (for ease of marking in the figure, a plane parallel to the display surface is used as a measurement basis for the first acute angle a ),
  • the specific value of the first acute angle a can be determined according to the hole diameter, hole depth, and volume of the spray needle T of the first and second mounting through holes h1 and h2, so as to ensure that the light-shielding glue can be sprayed according to the design requirements.
  • the first acute angle a may be 55 degrees, 45 degrees, and so on.
  • the spraying needle T is vertically downward, and the workpiece is placed obliquely to the horizontal plane.
  • the included angle between the display surface and the horizontal plane in the workpiece is (90-a) degrees, for example, the included angle may be 35 degrees, 45 degrees, and so on.
  • the workpiece can be placed horizontally in the manner shown in FIG. 3, and the spray needle T is inclined at a first acute angle a relative to the horizontal plane (that is, opposite to the display surface) (in this embodiment, this method is uniformly used in this manner). As an example).
  • step 06 the spraying needle tube T is controlled to spray light-shielding glue to the buckle structure.
  • the light-shielding glue is radiated at the exit of the flow channel T1 (lights similar to flashlights are emitted in all directions. Arrows are used to indicate the directions of each glue in Figure 3), and they are covered on the surface of the buckle structure. . That is, as shown in FIG. 4, the sprayed light-shielding glue covers a part of the wall of the first mounting through hole h1 near the backlight module 13, and the surface of the backlight module 13 facing the display panel 12 and located inside the first mounting through hole h1, Forming a light-shielding adhesive layer 15.
  • the cover plate 11 in the workpiece may face downward, the opening of the second mounting through hole h2 may be placed upward, and the spraying needle tube T extends into the spraying position from top to bottom, thereby shielding light.
  • the glue is ejected under the action of gravity (of course, an additional glue thrust can be added) and covers the sprayed surface.
  • the display module 10 shown in FIG. 4 can be obtained (if necessary, the display module 10 can be cleaned to remove the glue overflow and dirt).
  • the second mounting through-hole h2 can be used to limit the camera module, that is, the camera module can be inserted into the second mounting through-hole h2.
  • the hole wall cooperates with the camera module to limit the degree of freedom of the camera module (to be described in the following device embodiments).
  • the first mounting through-hole h1 serves as a channel for external light to enter the camera module, that is, external light can penetrate the light-transmitting area, penetrate the first mounting through-hole h1 and the second mounting through-hole h2, and finally enter the camera module.
  • the camera module can image after collecting external light.
  • the camera module can also penetrate into the first mounting through-hole h1 at the same time, so that the camera module is closer to the light-transmitting area, and it is convenient to receive more light from the outside, thereby facilitating imaging.
  • the camera module may not penetrate into the second installation through hole h2, but the light incident surface of the camera module (external light enters the camera module from the light incident surface) and the opening of the second installation through hole h2 A certain distance (the distance value can be 0).
  • the camera module and the display panel 12 are arranged side by side, and are arranged outside the display panel 12 (of course, also located outside the non-display area of the display panel 12).
  • the area of the display surface (the surface on which the display screen is located) of the electronic device is constant, since the camera module occupies part of the area of the display surface, the area occupied by the display panel 12 on the display surface is limited, so the display panel The area of the display area of 12 is correspondingly limited, thereby making the screen area of the electronic device relatively small.
  • the display panel 12 can be enlarged to the layout position of the original camera module, thereby The area ratio of the display panel 12 in the display surface becomes larger, thereby increasing the screen ratio of the display panel 12 (similar to a smartphone with a touch screen instead of a bar-type function machine, and the "keyboard" of the smartphone is arranged in the display area (in the The display area realizes the function of the original keyboard through touch), and the display panel 12 is enlarged to the layout position of the original keyboard, so that the screen ratio of the smart phone is larger than that of the bar function machine).
  • a light-shielding adhesive layer can be formed on a part of the wall of the first mounting through hole h1 near the backlight module 13 and a surface of the backlight module 13 facing the display panel 12 and located inside the first mounting through hole h1. 15.
  • the camera module is assembled on the display module 10
  • the camera module is relatively close to the display panel 12 and the backlight module 13.
  • the light-shielding adhesive layer 15 is blocked between the display panel 12 and the camera module, and the path of the light leaking from the bonding interface of the display panel 12 and the backlight module 13 into the camera module is blocked, thereby avoiding the display module 10 Light leakage crosstalk camera module.
  • the workpiece can be rotated to keep the position of the spray needle T constant (or the workpiece can be fixed while the spray needle T rotates), and the spray needle T can be controlled to spray light on the entire surface of the buckle structure.
  • Glue to form a light-shielding glue layer 15 in a closed loop shape so that light leakage of the display component 10 in any direction cannot enter the camera module, thereby achieving a good anti-light crosstalk effect.
  • the formed light-shielding adhesive layer 15 may be distributed at several intervals. Although the light-blocking effect is slightly worse than that of the light-shielding adhesive layer 15 in a closed loop, it can still block light leakage from the display element 10 in some directions. Ensure that the camera module is not exposed to light leakage crosstalk in these directions.
  • the head of the spray needle T provided in step 04 may have an inclined surface T2 at a second acute angle b with the flow channel T1.
  • the inclined surface T2 may be further directed toward the hole wall of the first mounting through hole h1. Due to the design of the inclined surface T2, the spraying needle tube T can be closer to the inverted position, reducing the loss of the glue sprayed from the outlet of the flow channel T1, and it is beneficial to cover the inverted position with sufficient light-shielding adhesive.
  • the specific value of the second acute angle b may be determined according to the hole diameter, hole depth, design requirements of the spray needle T, and the like of the second mounting through hole h2, and may be 45 degrees, for example.
  • the sum of the first acute angle a and the second acute angle b is less than or equal to 90 degrees, that is, the value of the dihedral angle formed by the inclined surface T2 and the display surface is less than or equal to 90 degrees, which can ensure the undercut The position can be covered by spray glue.
  • the manufacturing method of this embodiment is not limited to this.
  • the position of the inclined surface T2 may be designed so that the inclined surface T2 and the flow channel T1 intersect to form an outlet on the inclined surface T2.
  • the outlet of the flow channel T1 will be enlarged in the direction of the inverted position, so that more light-shielding glue can be sprayed onto the inverted position, which overcomes the problem that it is not easy to spray the adhesive at the inverted position.
  • the edge of the second mounting through hole h2 of the backlight module 13 provided in step 01 (that is, the surface where the opening of the second mounting through hole h2 is located is located at the opening).
  • a peripheral surface portion is provided with a groove 13a.
  • one side of the groove 13a is in communication with the second mounting through hole h2.
  • the groove 13a may not communicate with the second mounting through hole h2, but the groove 13a and the second mounting through hole h2 are separated by a retaining wall.
  • the opening of the groove 13a faces the display panel 12 and is at least partially located in the first mounting through hole h1. That is, the side of the groove 13a far from the hole wall of the second mounting through hole h2 (the left side of the groove 13a in FIG. 6) can be aligned with the hole wall of the first mounting through hole h1 (this is the preferred solution), so that the concave
  • the grooves 13a are located entirely in the first mounting through hole h1; or, on the basis shown in FIG. 6, the left side of the groove 13a may be located to the left of the hole wall of the first mounting through hole h1, so that the groove 13a is only partially located In the first mounting through hole h1; or, on the basis shown in FIG. 6, the left side of the groove 13a may be located on the right side of the hole wall of the first mounting through hole h1, so that the groove 13a is entirely located in the first mounting through hole h1 .
  • the light-shielding adhesive is further filled in the groove 132a.
  • the formed light-shielding adhesive layer 15 can completely block the bonding gap between the backlight module 13 and the display panel 12 to ensure that the light leaking out of the bonding gap cannot enter the camera module.
  • the groove 13a is not provided on the edge of the second mounting through hole h2
  • the light-shielding glue at the bonding gap may not be tightly covered, which may cause light leakage to interfere with the camera module.
  • the scheme of providing a groove 13a on the edge of the second mounting through hole h2 because the light-shielding adhesive layer 15 further extends into the groove 13a, can ensure that the fitting gap is blocked, so the possibility of light leakage is greatly reduced. .
  • the light-shielding glue also covers a part of the hole wall of the first mounting through hole h1 near the light-transmitting area, so that the formed light-shielding glue layer 15 extends to Light transmission area. Therefore, the light-shielding adhesive layer 15 can further block the light emitted from the display panel 12 to avoid the light-emitting crosstalk of the camera module of the display panel 12.
  • This embodiment also provides a display component, which is manufactured using the manufacturing method described in the above embodiment.
  • the display module 10 may include a cover plate 11, a display panel 12, and a backlight module 13 that are stacked in order, that is, the cover plate 11 and the backlight module 13 are respectively disposed on the opposite sides of the display panel 12. Both sides.
  • the cover plate 11 has a light-transmitting area
  • the display panel 12 has a display area corresponding to the light-transmitting area.
  • the display area is provided with a first mounting through hole h1.
  • the backlight module 13 is provided with a second mounting through-hole h2 aligned with the first mounting through-hole h1, and the aperture of the second mounting through-hole h2 is smaller than the aperture of the first mounting through-h1.
  • Part of the hole wall of the first mounting through h1 close to the backlight module 13, and the surface of the backlight module 13 facing the display panel 12 and located inside the first mounting through hole h1 is covered with a light-shielding adhesive layer 15.
  • the manufacturing method is formed.
  • a groove 13 a is formed on an edge of the second mounting through hole h2 of the backlight module 13.
  • the opening of the groove 13 a faces the display panel 12 and is at least partially located in the first mounting through hole h1.
  • the groove 13a may communicate with the second mounting through hole h2 or be separated from the second mounting through hole h2 by a retaining wall. Accordingly, the light-shielding adhesive layer 15 is also filled in the groove 13a.
  • the light-shielding adhesive layer 15 also covers part of the hole wall of the first mounting through hole h1 near the light-transmitting area, and extends to the light-transmitting area.
  • the display component 10 of this embodiment can increase the screen ratio of the electronic device and improve the viewing experience.
  • the light leakage crosstalk camera module at the bonding gap between the display panel 12 and the backlight module 13 can be avoided, and the camera module can work normally.
  • the display panel 12 may be a liquid crystal panel.
  • the liquid crystal panel includes a color filter substrate 121 and a thin film transistor substrate 123, and between the color filter substrate 121 and the thin film transistor substrate 123. Filled with liquid crystal 122.
  • the first mounting through hole h1 forms openings in both the color filter substrate 121 and the thin film transistor substrate 123.
  • a sealing cylinder 124 is connected between the opening on the color filter substrate 121 and the opening on the thin film transistor substrate 123 to seal the liquid crystal 122 on the color filter substrate 121, the thin film transistor substrate 123, and the sealing cylinder 124. Sealed cavity.
  • the inner wall of the sealing cylinder 124 may serve as a hole wall of the first mounting through hole h1.
  • the use of the sealing tube 124 can prevent the liquid crystal 122 from leaking out when the liquid crystal panel has a through hole, and ensure the display performance of the liquid crystal panel.
  • the sealing tube 124 may be formed together during the manufacturing process of the liquid crystal panel.
  • the sealing tube 124 may be a black matrix (BM) in a liquid crystal panel, that is, the sealing tube 124 is a black matrix material (including but not limited to a black photoresist film), and is manufactured by a black matrix process and has The role of the black matrix (to prevent light leakage between pixels and increase contrast).
  • the display panel 12 is not limited to a liquid crystal panel, and the sealing cylinder 124 may be manufactured by using other materials and processes.
  • the backlight module 13 may include a metal bottom cover 131, a first through hole t1 is formed on the metal bottom cover 131, and an opening of the first through hole t1 is connected to the first through hole t1.
  • a folding edge 1313 is formed on the surface of the opening of the first through hole t1 (for example, it can be perpendicular to the first through hole t1).
  • the first hem 1313 is preferably a closed ring structure; however, it may also be an open ring structure connected to only a part of the opening of the first through hole t1; or the first hem 1313 may also include a connection to the first through hole.
  • the first fold 1313 can be formed by sheet metal processing, or an independent first fold 1313 can be manufactured, and then the first fold 1313 is connected (including but not limited to riveting and welding) to the opening of the first through hole t1.
  • the first folding edge 1313 is preferably located on the side of the metal bottom cover 131 facing the display panel 12, but it can also be located on the side of the metal bottom cover 131 facing away from the display panel 12.
  • the backlight module 13 may further include a plastic sleeve 133, the plastic sleeve 133 is connected to the first folding edge 1313, and the opening of the plastic sleeve 133 is aligned with the first through hole t1 (herein The alignment described above has the same meaning as the alignment above).
  • the opening of the plastic sleeve 133 serves as the second mounting through hole h2.
  • the plastic module 133 can be used to limit the position of the camera module 21, thereby realizing the effective positioning of the camera module 21.
  • the plastic sleeve 133 Since the plastic sleeve 133 is manufactured by a plastic molding process, it has high dimensional accuracy, which is beneficial to reduce the tolerance of cooperation with the camera module 21 and enhance the assembly strength of the camera module 21.
  • the plastic sleeve 133 may be a hole wall that fits the first through hole t1 and is received in the first through hole t1.
  • the first flange 1313 is provided on the outer periphery of the plastic sleeve 133; or the plastic sleeve 133 may be inserted It is connected to the first fold 1313, that is, the first fold 1313 is embedded in the side wall of the plastic sleeve 133 to form a fixed connection. This method can greatly enhance the connection strength of the plastic sleeve 133, which is beneficial to the limitation of the camera module 21 Bit.
  • the groove 13 a is specifically formed on the plastic sleeve 133 (FIG.
  • the groove 13a is thickened in 10 to show it clearly), that is, the groove 13a is specifically formed on the surface of the plastic sleeve 133 facing the display panel 12 and located in the first mounting through hole h1.
  • the backlight module 13 may include an optical component 132 (including a light guide plate, a reflection sheet, a filter, an AR coating, etc.) carried on a metal bottom cover 131. Optical film, and light source).
  • the optical component 132 is used to provide surface light to the display panel 12.
  • the optical component 132 is provided with a second through hole t2, the second through hole t2 is aligned with the first through hole t1, and the first folding edge 1313 projects into the second through hole t2.
  • this embodiment provides an improved structure of the backlight module, which can realize the positioning of the camera module 21, thereby contributing to the improvement of the screen ratio of the electronic device.
  • the electronic device 20 of this embodiment includes a camera module 21 and the display component 10 in the above embodiment.
  • the camera module 21 extends into the second mounting through-hole h2 so that external light can pass through the light-transmitting area and pass through the first mounting through-hole h1 to enter the camera module 21.
  • the light-shielding adhesive layer 15 is blocked between the camera module 21 and the display panel 12, and is used to block the light leaking from the bonding interface of the backlight module 13 and the display panel 12 from entering the camera module 21.
  • the electronic device 20 of this embodiment has a larger screen ratio, which improves the viewing experience; and can prevent the light emitting crosstalk of the display module 10 from interfering with the camera module 21 to ensure the normal operation of the camera module 21.
  • the camera module 21 may include a lens mount 212 and a lens 211 mounted on the lens mount 212.
  • a dotted line is drawn in the camera module 21.
  • the portion above the dotted line is the lens 211, and the portion below the dotted line is the lens holder 212. Radial dimension.
  • the lens 211 extends into the second mounting through hole h2, and the second mounting through hole h2 limits the lens 211 (for example, when the plastic sleeve 133 is designed, the plastic sleeve 133 cooperates with the lens 211 to limit the lens 211 ).
  • the lens holder 212 is clamped on the edge of the second mounting through hole h2.
  • the electronic device 20 includes a casing 22, and the display assembly 10 is carried on the casing 22.
  • the casing 22 and the display panel 12 are located opposite to the backlight module 13, respectively. Both sides.
  • the housing 22 is provided with a third mounting through hole h3 at a position corresponding to the second mounting through hole h2.
  • the diameter of the lens holder 212 is smaller than the diameter of the third mounting through hole h3 and larger than the diameter of the second mounting through hole h2.
  • the lens holder 212 extends into the third mounting through hole h3 and is clamped on the edge of the second mounting through hole h2.
  • the housing 22 has a suitable structural strength and can well support the entire display assembly 10.
  • a third mounting through hole h3 is opened in the casing 22, so that the camera module 21 is mounted on the backlight module 13 through the third mounting through hole h3, which can reduce the overall thickness of the electronic device 20.
  • the assembly error of the camera module 21 is small, so that the working performance of the camera module 21 is guaranteed.

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

L'invention concerne un procédé de fabrication d'un ensemble affichage (10), l'ensemble affichage (10) fabriqué par le procédé de fabrication, et un dispositif électronique (20) comportant l'ensemble affichage (10). Le procédé de fabrication comprend les étapes consistant à : fournir une plaque de recouvrement (11), un panneau d'affichage (12) et un module de rétroéclairage (13) ; fixer la plaque de recouvrement (11) au panneau d'affichage (12) de sorte qu'une zone de transmission de lumière corresponde à une zone d'affichage ; fixer le module de rétroéclairage (13) à un côté du panneau d'affichage (12), à distance de la plaque de recouvrement (11) de telle sorte qu'un second trou traversant de montage (h2) soit aligné avec un premier trou traversant de montage (h1) ; fournir un tube d'aiguille de pulvérisation (T), le tube d'aiguille de pulvérisation (T) comportant un canal d'écoulement (T1) destiné à l'éjection de colle ; le tube d'aiguille de pulvérisation (T) s'étendant dans le premier trou traversant de montage (h1), et permettant que le canal d'écoulement (T1) du tube d'aiguille de pulvérisation (T) et une face d'affichage du panneau d'affichage (12) forment un premier angle aigu (a) ; et pulvériser de la colle de protection contre la lumière au moyen du tube d'aiguille de pulvérisation (T) de sorte que la colle de protection contre la lumière recouvre une partie d'une paroi de trou du premier trou traversant de montage (h1), à proximité du module de rétroéclairage (13), et que le module de rétroéclairage (13) soit face au panneau d'affichage (12) et soit situé sur une surface dans le premier trou traversant de montage (h1). Au moyen d'une disposition rationnelle, un rapport écran-corps du dispositif électronique (20) peut être amélioré, une fuite de lumière de l'ensemble affichage (10) est empêchée d'entrer dans un module de caméra (21), et le module de caméra (21) peut être limité au moyen du module de rétroéclairage (13).
PCT/CN2019/089132 2018-07-02 2019-05-29 Procédé de fabrication d'ensemble affichage, ensemble affichage et dispositif électronique Ceased WO2020007139A1 (fr)

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CN201810713168.5A CN108873429B (zh) 2018-07-02 2018-07-02 显示组件的制造方法、显示组件和电子设备
CN201810713168.5 2018-07-02

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WO2020007139A1 true WO2020007139A1 (fr) 2020-01-09

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CN115883953A (zh) * 2021-08-16 2023-03-31 北京小米移动软件有限公司 显示屏的制造方法及制造装置、显示屏及电子设备

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