CN111025707A - Liquid crystal display device with a light guide plate - Google Patents
Liquid crystal display device with a light guide plate Download PDFInfo
- Publication number
- CN111025707A CN111025707A CN201911279391.4A CN201911279391A CN111025707A CN 111025707 A CN111025707 A CN 111025707A CN 201911279391 A CN201911279391 A CN 201911279391A CN 111025707 A CN111025707 A CN 111025707A
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- liquid crystal
- crystal display
- printed circuit
- flexible printed
- binding
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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
- G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
-
- 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
- G02F1/1345—Conductors connecting electrodes to cell terminals
- G02F1/13454—Drivers integrated on the active matrix substrate
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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)
- Liquid Crystal (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application provides a liquid crystal display, the liquid crystal display includes a liquid crystal display panel, at least one chip on film and at least two flexible printed circuit boards, each chip on film has a first binding portion, each flexible printed circuit board has a second binding portion, at least one chip on film is bound to a panel binding end of the liquid crystal display panel through the first binding portion, at least two flexible printed circuit boards are bound to the panel binding end of the liquid crystal display panel through the second binding portions, the second binding portions of at least two flexible printed circuit boards are located on two opposite sides of the first binding portion of at least one chip on film in a first direction, and the distance from the second binding part of the at least two flexible printed circuit boards to the first binding part of the at least one chip on film in the second direction is greater than or equal to zero, so that liquid crystal displays of different sizes can share one pressure head, and the utilization rate of the equipment is improved.
Description
Technical Field
The application relates to the technical field of display, in particular to a liquid crystal display.
Background
With the development of liquid crystal display technology, the liquid crystal display has more and more functions and higher requirements for the binding process of the liquid crystal display, and particularly, a plurality of flexible printed circuit boards and a plurality of chip on films need to be bound on a liquid crystal display panel to realize various functions of the liquid crystal display, wherein the flexible printed circuit boards are used for inputting clock signals and the like to the liquid crystal display panel, and the chip on films are used for inputting driving signals to the liquid crystal display panel.
As shown in fig. 1, it is a schematic structural diagram of a plurality of flexible printed circuit boards 10 and a plurality of flip chips 11 bonded on a liquid crystal display panel 13 in the conventional technology. Since the flexible printed circuit board 10 and the flip chip film 11 belong to different binding units, the flexible printed circuit board 10 and the flip chip film 11 cannot be bound at the same time. Generally, the flip chip film 11 is bonded to the middle of one end of the liquid crystal display panel 13, and then the flexible printed circuit board 10 is bonded to the two opposite sides of the flip chip film 11. As shown in fig. 2, it is a schematic structural diagram of a press head 14 for binding the flexible printed circuit board 10. In order to avoid damaging the flip chip 11 during the bonding of the flexible printed circuit board 10, the middle area B of the pressing head 14 needs to be designed to be free, so as to avoid the bonding effect of the flip chip 11 from being affected by the contact with the bonded flip chip 11. Different indenters 14 need to be customized for different sizes of liquid crystal display panels 13, and different indenters 14 result in poor device versatility.
Disclosure of Invention
An object of the present application is to provide a liquid crystal display to improve the commonality of a press head for binding a flexible printed circuit board.
To achieve the above objects, the present application provides a liquid crystal display including a liquid crystal display panel, at least one chip on film, and at least two flexible printed circuit boards, each of the chip on films having a first binding portion, each of the flexible printed circuit boards having a second binding portion,
the liquid crystal display panel is provided with a panel binding end, the first binding part of at least one chip on film is bound at the panel binding end of the liquid crystal display panel, the second binding parts of at least two flexible printed circuit boards are bound at the panel binding end of the liquid crystal display panel side by side,
at least two the second binding portions of the flexible printed circuit board are located at least one on the first direction on the opposite sides of the first binding portion of the chip on film, and at least two the second binding portions of the flexible printed circuit board are greater than or equal to zero in the second direction to the at least one distance from the first binding portion of the chip on film, and the first direction is perpendicular to the second direction.
In the above lcd, two notches are disposed on two opposite sides of the panel bonding end of the lcd panel, the two notches are disposed on two opposite sides of the first bonding portion of the at least one chip on film, and the second bonding portions of the at least two flexible printed circuit boards are bonded to the panel bonding end corresponding to the two notches, respectively.
In the above liquid crystal display, a dimension of the notch in the second direction is greater than or equal to a dimension of the first bonding portion of the flip-chip film in the second direction.
In the above liquid crystal display, the notch is rectangular in shape.
In the above-mentioned liquid crystal display, the liquid crystal display panel including set up in a plurality of first input pads and a plurality of second input pads of panel binding end, it is a plurality of the second input pad is in it is a plurality of to be located in the first direction the relative both sides of first input pad, it is a plurality of first input pad sets up side by side and is used for with at least one the chip on film connects, and is a plurality of the second input pad sets up side by side and is used for with at least two the flexible printed circuit board is connected, and is a plurality of the second input pad is in it is a plurality of to be a plurality of in the second direction the distance of first input pad is greater than or equal to zero.
In the above-mentioned liquid crystal display, the first bonding portion of each of the chip on films is provided with a plurality of first output pads, the first output pads are connected to the first input pads one-to-one and the size of each of the first input pads in the first direction is larger than the size of each of the first output pads in the first direction, the second bonding portion of each of the flexible printed circuit boards is provided with a plurality of second output pads, the second output pads are connected to the second input pads one-to-one and the size of each of the second input pads in the first direction is larger than the size of each of the second output pads in the first direction.
In the above liquid crystal display, a second distance value between two adjacent second input pads located on the same side of the first input pad in the first direction is larger than a first distance value between two adjacent first input pads.
In the above liquid crystal display, the first pitch value is 25 to 40 micrometers, and the second pitch value is 80 to 140 micrometers.
In the above liquid crystal display, a dimension of the first output pad in the second direction is equal to a dimension of the first input pad in the second direction, and a dimension of the second output pad in the second direction is equal to a dimension of the second input pad in the second direction.
In the above liquid crystal display, the liquid crystal display includes a plurality of the flip-chip films and two of the flexible printed circuit boards.
Has the advantages that: the application provides a liquid crystal display, the liquid crystal display includes a liquid crystal display panel, at least one chip on film and at least two flexible printed circuit boards, each chip on film has a first binding portion, each flexible printed circuit board has a second binding portion, at least one chip on film is bound to the panel binding end of the liquid crystal display panel through the first binding portion, at least two flexible printed circuit boards are bound to the panel binding end of the liquid crystal display panel through the second binding portion, the second binding portions of at least two flexible printed circuit boards are located on the opposite sides of the first binding portion of at least one chip on film in a first direction, and the distance from the second binding portions of at least two flexible printed circuit boards to the first binding portion of at least one chip on film in a second direction is greater than or equal to zero, so that the first binding portion and the second binding portion are bound in a staggered manner in the second direction, therefore, the pressing heads for binding the at least two flexible printed circuit boards do not need to be provided with avoidance areas, liquid crystal displays with different sizes can share one pressing head, and the utilization rate of equipment is improved. In addition, the production period of the liquid crystal display is shortened because too many press heads are not required to be manufactured.
Drawings
Fig. 1 is a schematic structural view of a plurality of flexible printed circuit boards and a plurality of flip chips bonded to a liquid crystal display panel in the conventional art;
FIG. 2 is a schematic structural diagram of a press head for binding a flexible printed circuit board;
FIG. 3 is a schematic plan view of an LCD according to an embodiment of the present invention;
FIG. 4 is a schematic cross-sectional view of a liquid crystal display panel of the liquid crystal display of FIG. 3;
FIG. 5A is a schematic plan view of a liquid crystal display panel of the liquid crystal display shown in FIG. 3;
FIG. 5B is a schematic diagram of a flexible printed circuit board of the LCD shown in FIG. 3;
FIG. 5C is a schematic diagram of a COF structure of the LCD shown in FIG. 3;
fig. 6 is a schematic plan view of a liquid crystal display according to another embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
Please refer to fig. 3, which is a schematic plan view illustrating a liquid crystal display according to an embodiment of the present invention. The liquid crystal display 200 includes a liquid crystal display panel 21, at least one flip-chip film 22, and at least two flexible printed circuit boards 23. Specifically, the liquid crystal display 200 includes a plurality of flip-chip-films 22 and two flexible printed circuit boards 23.
Fig. 4 is a schematic cross-sectional view of a liquid crystal display panel of the liquid crystal display shown in fig. 3. The liquid crystal display panel 21 includes an array substrate 210, a color film substrate 211, a sealant 212, and a liquid crystal layer. The array substrate 210 is disposed opposite to the color filter substrate 211, one end of the array substrate 210 is flush with one end of the color filter substrate 211, and the other end of the array substrate 210 extends relative to the other end of the color filter substrate 211 to form a panel binding end 210a, that is, the liquid crystal display panel 21 has a panel binding end 210 a. The sealant 212 is disposed between the array substrate 210 and the color filter substrate 211 to bond the array substrate 210 and the color filter substrate 211, and the liquid crystal layer is disposed in a space enclosed by the array substrate 210, the color filter substrate 211 and the sealant 212.
Please refer to fig. 5A, which is a schematic plan view of a liquid crystal display panel of the liquid crystal display shown in fig. 3. The liquid crystal display panel 21 includes a plurality of first input pads 213 and a plurality of second input pads 214 disposed at the panel binding end 210 a.
The plurality of first input pads 213 are used to load electrical signals such as data signals, and some of the first input pads 213 are connected to the data lines to input the loaded data signals to the data lines. The plurality of first input pads 213 are used for connecting with at least one chip on film 22. The plurality of first input pads 213 may be a patterned metal layer formed at the same layer as the source and drain electrodes of the liquid crystal display 200. The plurality of first input pads 213 are disposed side by side and at the middle position of the panel binding end 210 a. The size of each first input pad 213 in the first direction is 15 micrometers to 30 micrometers, i.e., the width of each first input pad 213 is 15 micrometers to 30 micrometers. For example, the width of the first input pad 213 is 25 micrometers. The size of each first input pad 213 in the second direction is 400-550 micrometers, i.e., the height of each first input pad 213 is 400-550 micrometers. For example, the height of the first input pad 213 is 500 micrometers.
The plurality of second input pads 214 are used for loading electrical signals such as clock signals, Gate start pulse signals, etc., a portion of the second input pads 214 are connected to a clock signal line, a portion of the second input pads 214 are connected to a Gate start pulse signal line, and the clock signal line and the Gate start pulse signal line are both connected to a Gate On Array (GOA) circuit. The plurality of second input pads 214 are for connection with at least two flexible printed circuit boards 23. The plurality of second input pads 214 may be a patterned metal layer formed at the same layer as the gate electrode of the liquid crystal display. A plurality of second input pads 214 are disposed side by side on opposite sides of the panel binding end 210 a. Each second input pad 214 has a dimension in the first direction of 50-85 micrometers, i.e. the width of the second input pad 214 is 50-85 micrometers. For example, the width of the second input pad 214 is 72 micrometers. The dimension of each second input pad 214 in the second direction is 400-550 microns, i.e., the height of each second input pad 214 is 400-550 microns. For example, the height of the second input pad 214 is 500 micrometers.
The plurality of second input pads 214 are located on opposite sides of the plurality of first input pads 213 in the first direction, a distance H1 between the plurality of second input pads 214 and the plurality of first input pads 213 in the second direction is greater than or equal to zero, so that the distance H2 in the second direction between the first binding part 221 bound with the first input pad 213 and the second binding part 231 bound with the second input pad 214 of the flexible printed circuit board 23 is greater than or equal to 0, so that when the flexible printed circuit board 23 is bound to the liquid crystal display panel 21, the press head for binding the flexible printed circuit board 23 is a bar-shaped press head without arranging an avoidance area, when the bar-shaped press head is used for applying force to the flexible printed circuit board, the pressure head can not contact the chip on film, can not influence the binding effect of the chip on film, and the liquid crystal display panels with different sizes can share one pressure head, thereby improving the utilization rate of equipment. In addition, in actual production, the production cycle is occupied by customizing the pressure head with the avoidance area, so that the production cycle of the liquid crystal display can be shortened by using the pressure head without the avoidance area.
In the present embodiment, a second distance value between two adjacent second input pads 214 located on the same side of the first input pad 213 in the first direction is greater than a first distance value between two adjacent first input pads 213. Specifically, the first pitch value is 25 microns to 40 microns and the second pitch value is 80 microns to 140 microns.
Please refer to fig. 5B, which is a schematic structural diagram of the flexible printed circuit board of the liquid crystal display shown in fig. 3. The flexible printed circuit board 23 is used for outputting scan control signals to the plurality of second input pads 214. Each of the flexible printed circuit boards 23 has a second binding portion 231. The second binding part 231 of each flexible printed circuit board 23 is provided with a plurality of second output pads 2311, and the second output pads 2311 are connected one-to-one with the second input pads 214. The size of each second input pad 214 in the first direction is greater than the size of each second output pad 2311 in the first direction, so that the bonding yield of the flexible printed circuit board 23 and the second input pads 214 is improved. The size of the second output pad 2311 in the second direction is equal to the size of the second input pad 214 in the second direction.
Please refer to fig. 5C, which is a schematic structural diagram of the flip-chip film of the lcd shown in fig. 3. The chip on film 22 is used for outputting data signals to the plurality of first input pads 213. Each of the flip-chip films 22 has a first binding portion 221. The first bonding portion 221 of each chip on film 22 is provided with a plurality of first output pads 2211, and the first output pads 2211 are connected with the first input pads 213 one to one. The dimension of each first input pad 2211 in the first direction is larger than the dimension of each first output pad 2211 in the first direction, so as to improve the bonding yield of the flip chip 22 and the first input pad 213. The size of the first output pad 2211 in the second direction is equal to the size of the first input pad 213 in the second direction.
The second binding portions 231 of the at least two flexible printed circuit boards 23 are located on opposite sides of the first binding portion 221 of the at least one chip on film 22 in the first direction, and a distance H2 from the second binding portions 231 of the at least two flexible printed circuit boards 23 to the first binding portion 221 of the at least one chip on film 22 in the second direction is greater than or equal to zero, and the first direction is perpendicular to the second direction.
Please refer to fig. 6, which is a schematic plan view of a liquid crystal display according to another embodiment of the present application. The lcd shown in fig. 6 is substantially similar to the lcd shown in fig. 3, except that two notches 210b are disposed on two opposite sides of the panel binding end 210a of the lcd panel, the two notches 210b are disposed on two opposite sides of the first binding portion 221 of the at least one flip-chip film 22, and the second binding portions 231 of the at least two flexible printed circuit boards 23 are bound to the panel binding end 210a corresponding to the two notches 210b, respectively. The two notches 210b are arranged to reduce the bending radius of the flexible printed circuit board 23 when the flexible printed circuit board is bent to the back of the liquid crystal display panel, so as to avoid the flexible printed circuit board 23 from easily breaking.
Further, the dimension H3 of the notch 210b in the second direction is greater than or equal to the dimension H4 of the first binding portion 221 of the flip chip film 22 in the second direction, so as to further prevent the pressure head for applying pressure to the flexible printed circuit board 23 from contacting the flip chip film 22.
In the present embodiment, the notches 210b are rectangular in shape to accommodate the shape of the flexible printed circuit boards 23, and each flexible printed circuit board 23 is disposed corresponding to one notch 210 b.
The above description of the embodiments is only for assisting understanding of the technical solutions and the core ideas thereof; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A liquid crystal display, wherein the liquid crystal display comprises a liquid crystal display panel, at least one chip on film and at least two flexible printed circuit boards, each chip on film has a first binding portion, each flexible printed circuit board has a second binding portion,
the liquid crystal display panel is provided with a panel binding end, the first binding part of at least one chip on film is bound at the panel binding end of the liquid crystal display panel, the second binding parts of at least two flexible printed circuit boards are bound at the panel binding end of the liquid crystal display panel side by side,
at least two the second binding portions of the flexible printed circuit board are located at least one on the first direction on the opposite sides of the first binding portion of the chip on film, and at least two the second binding portions of the flexible printed circuit board are greater than or equal to zero in the distance from the second direction to at least one of the first binding portions of the chip on film, and the first direction is perpendicular to the second direction.
2. The liquid crystal display of claim 1, wherein two notches are disposed on two opposite sides of the panel bonding end of the liquid crystal display panel, the two notches are disposed on two opposite sides of the first bonding portion of at least one of the flip chips, and the second bonding portions of at least two of the flexible printed circuit boards are bonded to the panel bonding end corresponding to the two notches, respectively.
3. The liquid crystal display of claim 2, wherein a dimension of the notch in the second direction is greater than or equal to a dimension of the first bonding portion of the flip-chip film in the second direction.
4. The liquid crystal display of claim 2, wherein the notch is rectangular in shape.
5. The lcd of any one of claims 1 to 4, wherein the lcd panel includes a plurality of first input pads and a plurality of second input pads disposed at the panel-bonding end, the plurality of second input pads are disposed at opposite sides of the plurality of first input pads in the first direction, the plurality of first input pads are disposed side by side and are adapted to be connected to at least one of the fpcs, the plurality of second input pads are disposed side by side and are adapted to be connected to at least two of the fpcs, and a distance from the plurality of second input pads to the plurality of first input pads in the second direction is greater than or equal to zero.
6. The liquid crystal display of claim 5, wherein the first bonding portion of each of the flip-chip films is provided with a plurality of first output pads, the first output pads are connected with the first input pads one-to-one and a dimension of each of the first input pads in the first direction is larger than a dimension of each of the first output pads in the first direction, the second bonding portion of each of the flexible printed circuit boards is provided with a plurality of second output pads, the second output pads are connected with the second input pads one-to-one and a dimension of each of the second input pads in the first direction is larger than a dimension of each of the second output pads in the first direction.
7. The liquid crystal display of claim 6, wherein a second distance value between two adjacent second input pads on the same side of the first input pad in the first direction is greater than a first distance value between two adjacent first input pads.
8. The liquid crystal display of claim 7, wherein the first pitch value is 25 microns to 40 microns and the second pitch value is 80 microns to 140 microns.
9. The liquid crystal display of claim 6, wherein the dimension of the first output pad in the second direction is equal to the dimension of the first input pad in the second direction, and the dimension of the second output pad in the second direction is equal to the dimension of the second input pad in the second direction.
10. The liquid crystal display of claim 1, wherein the liquid crystal display comprises a plurality of the flip-chip-films and two of the flexible printed circuit boards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911279391.4A CN111025707A (en) | 2019-12-13 | 2019-12-13 | Liquid crystal display device with a light guide plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911279391.4A CN111025707A (en) | 2019-12-13 | 2019-12-13 | Liquid crystal display device with a light guide plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111025707A true CN111025707A (en) | 2020-04-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911279391.4A Pending CN111025707A (en) | 2019-12-13 | 2019-12-13 | Liquid crystal display device with a light guide plate |
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| Country | Link |
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| CN (1) | CN111025707A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599016A (en) * | 2020-12-28 | 2021-04-02 | 厦门天马微电子有限公司 | Display panel, binding structure thereof and display device |
| CN114967196A (en) * | 2022-07-07 | 2022-08-30 | 合肥京东方显示技术有限公司 | Display panel and display device |
| CN115113420A (en) * | 2021-03-18 | 2022-09-27 | 北京小米移动软件有限公司 | Printing head, printing system and printing method |
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| KR20140096636A (en) * | 2013-01-28 | 2014-08-06 | 엘지디스플레이 주식회사 | Array Substrate For Liquid Crystal Display Device |
| CN107799050A (en) * | 2016-09-07 | 2018-03-13 | 三星显示有限公司 | Display device |
| CN110286535A (en) * | 2019-06-20 | 2019-09-27 | 上海天马微电子有限公司 | Display module, manufacturing method of display module and display device |
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2019
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20140096636A (en) * | 2013-01-28 | 2014-08-06 | 엘지디스플레이 주식회사 | Array Substrate For Liquid Crystal Display Device |
| CN107799050A (en) * | 2016-09-07 | 2018-03-13 | 三星显示有限公司 | Display device |
| CN110286535A (en) * | 2019-06-20 | 2019-09-27 | 上海天马微电子有限公司 | Display module, manufacturing method of display module and display device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112599016A (en) * | 2020-12-28 | 2021-04-02 | 厦门天马微电子有限公司 | Display panel, binding structure thereof and display device |
| CN115113420A (en) * | 2021-03-18 | 2022-09-27 | 北京小米移动软件有限公司 | Printing head, printing system and printing method |
| CN114967196A (en) * | 2022-07-07 | 2022-08-30 | 合肥京东方显示技术有限公司 | Display panel and display device |
| CN114967196B (en) * | 2022-07-07 | 2024-06-11 | 合肥京东方显示技术有限公司 | Display panel and display device |
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Application publication date: 20200417 |