CN110133902A - Display device - Google Patents
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- CN110133902A CN110133902A CN201910392246.0A CN201910392246A CN110133902A CN 110133902 A CN110133902 A CN 110133902A CN 201910392246 A CN201910392246 A CN 201910392246A CN 110133902 A CN110133902 A CN 110133902A
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- display panel
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- 239000000758 substrate Substances 0.000 claims description 26
- 238000002834 transmittance Methods 0.000 claims description 26
- 239000000853 adhesive Substances 0.000 claims description 16
- 230000001070 adhesive effect Effects 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 14
- 239000004973 liquid crystal related substance Substances 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000005540 biological transmission Effects 0.000 abstract description 4
- 239000003292 glue Substances 0.000 abstract description 4
- 230000003287 optical effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000011521 glass Substances 0.000 description 4
- 230000010287 polarization Effects 0.000 description 4
- 230000007547 defect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000011347 resin Substances 0.000 description 3
- 229920005989 resin Polymers 0.000 description 3
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000005429 filling process Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 229920006305 unsaturated polyester Polymers 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
Classifications
-
- 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
- G02F1/133528—Polarisers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/57—Mechanical or electrical details of cameras or camera modules specially adapted for being embedded in other devices
Landscapes
- 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)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The present invention provides a kind of display devices, applied to the mobile terminal including camera, the display device includes upper polaroid and display panel, wherein the upper polaroid is adhered on the display panel, and the upper polaroid region opposite with the camera is high light transmission region.The present invention is in the manufacturing process of the display device, directly using the upper polaroid with high light transmission area, without the operation for refill after borehole to the upper polaroid, avoid the risk of bubble, excessive glue that this operation generates etc., making technology is simplified, while ensure that the high-definition camera function of camera.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
In modern society, mobile terminals such as mobile phones bring more and more convenience to the life of people and gradually become an indispensable part of the life. With the improvement of life quality, people also put higher requirements on the use experience of the mobile phone. Developers have developed full-screen designs to meet social needs. The market share of developers is directly influenced by the height of the overall screen manufacturing technology of mobile terminals such as mobile phones.
A full screen is a display screen with a screen fraction close to 100%. The design of the display screen in the front camera area is a key factor influencing the screen ratio. In order to realize the full-face screen, generally can be in camera regional design for the blind hole structure, keep camera regional display screen most structure promptly, only dig the hole to last polaroid, mainly exist following two kinds of designs among the prior art:
one is the structure as shown in fig. 1, the upper polarizer 13 and the optical transparent adhesive 12 between the display panel 14 and the glass cover plate 11 are dug, and the dug area is corresponding to the position of the camera 15, then the dug area is filled with the optical transparent resin 16, because the optical transparent resin 16 is liquid in the filling process, the bad phenomena such as air bubbles or glue overflow are easily generated; also, the disparity in the coefficients of thermal expansion of the optically clear resin 16 and the optically clear adhesive 12 can create voids at the interface between the two.
The other structure is as shown in fig. 2, an upper polarizer 23 with a relatively thin thickness is adopted, a hole is dug in a region where the upper polarizer 23 is opposite to the camera 25 to form a hole digging region 23a, and then the whole optical transparent adhesive 22 is directly adhered to the upper side of the upper polarizer 23, because the upper polarizer 23 has a relatively small thickness, the optical transparent adhesive 22 fills the hole digging region 23a by means of self deformation, but in the hole digging region 23a, bubbles are easily formed due to incomplete air discharge, and the product yield cannot be guaranteed.
Therefore, a new design is needed to reduce the process risk and improve the product yield while ensuring that the display screen in the area opposite to the camera has good light transmittance.
Disclosure of Invention
Based on the above-mentioned deficiencies of the prior art, the present invention provides a display device, which solves the problems of high process risk and low product yield in the prior art.
The present invention provides a display device for a mobile terminal including a camera, the display device including:
an upper polarizer; and
the first surface of the display panel is bonded with the second surface of the upper polaroid; wherein,
the area of the upper polarizer, which is opposite to the camera, is a first area, and the light transmittance of the first area is greater than that of the area of the upper polarizer except the first area.
According to an embodiment of the present invention, the upper polarizer is composed of a transparent substrate and a polarizing layer disposed on the transparent substrate, and the first region does not include the polarizing layer.
According to an embodiment of the present invention, the polarizing layer is made by coating a polarizing material on the transparent substrate, and when the polarizing material is coated, a mask is used, and the polarizing material is not coated in the first region.
According to an embodiment of the present invention, the light transmittance of the first region is greater than 90%.
According to an embodiment of the present invention, the display panel includes an array substrate and a color film substrate which are arranged in a box-to-box manner, and a liquid crystal disposed between the array substrate and the color film substrate.
According to an embodiment of the present invention, a region of the display panel opposite to the camera is a second region, and a light transmittance of the second region is greater than a light transmittance of a region of the display panel other than the second region.
According to an embodiment of the present invention, the second region does not include a color resist layer, a metal layer and a liquid crystal.
According to an embodiment of the present invention, the light transmittance of the second region is greater than 90%.
According to an embodiment of the present invention, the display device further includes a lower polarizer and a backlight module;
the first surface of the lower polarizer is bonded with the second surface of the display panel;
the second surface of the lower polarizer is adhered to the light-emitting surface of the backlight module;
the lower polarizer and the area of the backlight module opposite to the camera are third areas, and the third areas are through hole areas.
According to an embodiment of the present invention, the display device further includes a cover plate, and the cover plate is bonded to the first surface of the upper polarizer through an optically transparent adhesive.
The invention has the beneficial effects that: the light transmission problem of the area opposite to the camera is considered at the manufacturing end of the upper polaroid, and the area opposite to the upper polaroid and the camera is designed to be a high light transmission area, so that the operation of refilling the upper polaroid after hole digging is performed in the manufacturing process of the display device is omitted, the risks of bubbles, glue overflow and the like generated by the operation are avoided, and the high-definition camera shooting function of the camera is ensured.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art display device;
FIG. 2 is a schematic diagram of another prior art display device;
FIG. 3 is a schematic structural diagram of a display device according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of an upper polarizer according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a display device including a liquid crystal display according to an embodiment of the invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
The embodiment of the invention provides a display device, which is applied to a mobile terminal comprising a camera and comprises an upper polaroid, wherein the area of the upper polaroid, which is opposite to the camera, is a first area, and the light transmittance of the first area is greater than that of the area of the upper polaroid, which is except the first area, so that the light quantity irradiating the camera can be ensured without digging holes in the upper polaroid, and the camera shooting definition of the camera is improved.
The display device provided by the embodiment of the invention is described in detail below with reference to the accompanying drawings:
as shown in fig. 3, a schematic structural diagram of a display device according to an embodiment of the present invention is provided, where the display device is applied to a mobile terminal including a camera 35, and the display device includes: a cover plate 31, an optically transparent adhesive 32, an upper polarizer 33, and a display panel 34; wherein,
the cover plate 31 is made of a light-transmitting material, such as transparent glass, and the cover plate 31 is bonded to the first surface of the upper polarizer 33 through the optically transparent adhesive 32;
the second surface of the upper polarizer 33 is bonded to the first surface of the display panel 34;
the area of the upper polarizer 33 opposite to the camera 35 is a first area 33a, and the light transmittance of the first area 33a is greater than that of the area of the upper polarizer 33 except the first area 33a, so that no hole needs to be drilled on the upper polarizer 33 to ensure that no or less light energy loss is generated when external light passes through the first area 33 a; it should be understood that the first region 33a is integral with the upper polarizer 33, in other words, the first region 33a is not formed by filling other materials after the upper polarizer 33 is perforated, and the first region 33a represents only a region of the upper polarizer 33 where light transmittance is high, and is different from the perforated region 23a in fig. 2.
It should be noted that the region of the upper polarizer 33 opposite to the camera 35 refers to a vertical projection region of the camera 35 on the upper polarizer 33.
Optionally, the material of the cover plate 31 may be transparent glass or other transparent materials, such as transparent composite materials.
Alternatively, the optically clear adhesive 32 may be understood to be a special adhesive used to bond transparent optical elements. It has the characteristics of colorless transparency, light transmittance of more than 90%, good cementing strength and the like. The optically clear adhesive 32 can be cured at room temperature or at intermediate temperature, and has the characteristics of small curing shrinkage and the like. The material of the optically transparent adhesive 32 may be silicone, acrylic resin, unsaturated polyester, polyurethane, epoxy resin, or the like. Some treatment is typically added during formulation to improve the optical properties or reduce cure shrinkage of the optically clear adhesive 32.
Optionally, the polarizer 33 may filter some light, so that the display screen has a better display effect.
Optionally, the display panel 34 may be an organic light emitting diode display panel, or may be a liquid crystal display panel.
In the display device provided by this embodiment, by using the high light transmittance of the first region 33a, it is ensured that light emitted to the camera 35 does not generate or generates less light energy loss, and the image capturing definition of the camera 35 is improved, and in addition, since there is no operation of refilling the upper polarizer 33 after hole digging, the defect of void or bubble caused by this operation is avoided.
According to an embodiment of the present invention, as shown in fig. 4, the upper polarizer 33 includes a transparent substrate 331 and a polarizing layer 332 disposed on the transparent substrate 331, and the first area 33a does not include the polarizing layer 332, i.e., the first area 33a only includes the transparent substrate 331; since the polarizing layer 332 has a small thickness, the thickness of the first region 33a is substantially the same as the thickness of the upper polarizer 33 except for the first region 33a, and thus, defects such as voids or bubbles do not occur at the bonding position of the first region 33a and the optically transparent adhesive 32 (see fig. 3).
According to an embodiment of the present invention, the method for disposing the polarization layer 332 on the transparent substrate 331 is to directly coat a polarization material on the transparent substrate 331, specifically, when the polarization material is coated on the transparent substrate 331, a mask plate having a specific shape is used, and the mask plate can block the first area 33a, so that the first area 33a does not contain the polarization material, that is, the first area 33a is a bare transparent substrate 331, so as to ensure that the first area 33a has high light transmittance.
Optionally, the light transmittance of the first region 33a is greater than 90%, and the light transmittance is defined as a ratio of the intensity of light after passing through the first region 33a to the intensity of light before passing through the first region 33 a.
As shown in fig. 5, a display device according to another embodiment of the present invention is applied to a mobile terminal including a camera 55, and the display device includes a cover plate 51, an optically transparent adhesive 52, an upper polarizer 53, a display panel 54, a lower polarizer 57, and a backlight module 58; wherein,
the cover plate 51 is made of a light-transmitting material, such as transparent glass, and the cover plate 51 is bonded to the first surface of the upper polarizer 53 through the optically transparent adhesive 52;
the second surface of the upper polarizer 53 is bonded to the first surface of the display panel 54;
the second surface of the display panel 54 is bonded to the first surface of the lower polarizer 57;
the second surface of the lower polarizer 57 is bonded to the light emitting surface of the backlight module 58.
The display panel 54 is a liquid crystal display panel, and the backlight module 58 provides backlight for the display panel 54. Specifically, the display panel 54 includes an array substrate 542 and a color filter substrate 541 which are arranged in a box-to-box manner, and a liquid crystal 543 which is arranged between the array substrate 542 and the color filter substrate 541.
The area of the upper polarizer 53 opposite to the camera 55 is a first area 53a, the light transmittance of the first area 53a is greater than the light transmittance of the area of the upper polarizer 53 except the first area 53a, and the light transmittance of the first area 53a is greater than 90%. Alternatively, the upper polarizer 53 may be a polarizer structure as shown in fig. 4, and the first region 53a is not provided with a polarizing material, so as to ensure that the first region 53a has high light transmittance.
The area of the display panel 54 opposite to the camera 55 is a second area 54a, and the light transmittance of the second area 54a is greater than that of the area of the display panel 54 except for the second area 54a, and is greater than 90%. Optionally, in order to achieve high light transmittance of the second region 54a, the second region 54a does not include a color resistance layer, a metal layer, and a liquid crystal 543 therein; the color resistance layer may be a red, green, blue color resistance in the display panel 54; the metal layer may be a metal trace or a metal electrode in the display panel 54. In manufacturing the display panel 54, a mask having a specific shape may be used to keep only the substrate in the second region 54a, and a color resist layer, a metal layer, liquid crystal, or the like, which may block or attenuate light, is not provided, thereby ensuring high light transmittance of the second region 54 a.
The area of the lower polarizer 57 and the backlight module 58 opposite to the camera 55 is a third area 57a, and the third area 57a is a through hole area, so as to ensure that no light energy loss occurs when the light emitted to the camera passes through the third area 57 a.
In the present invention, the "region of the element opposite to the camera" includes: the area of the upper polarizer opposite to the camera, the area of the display panel opposite to the camera, the area of the lower polarizer and the area of the backlight module opposite to the camera, and the like, all refer to the vertical projection area of the camera on the element.
According to the display device provided by the embodiment of the invention, the area of the upper polaroid opposite to the camera is directly set as the high-light-transmission area, so that the operation of refilling the upper polaroid after hole digging is not needed, the defects of bubbles, glue overflow and the like caused by the operation are avoided, the manufacturing process is simplified, and the light ray taking amount of the camera is ensured.
In summary, although the present invention has been described with reference to the specific embodiments, the above embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention is defined by the appended claims.
Claims (10)
1. A display device for a mobile terminal including a camera, comprising:
an upper polarizer; and
the first surface of the display panel is bonded with the second surface of the upper polaroid; wherein,
the area of the upper polarizer, which is opposite to the camera, is a first area, and the light transmittance of the first area is greater than that of the area of the upper polarizer except the first area.
2. The display device according to claim 1, wherein the upper polarizer is composed of a transparent substrate and a polarizing layer disposed on the transparent substrate, and the first region does not include the polarizing layer.
3. The display device according to claim 2, wherein the polarizing layer is formed by coating a polarizing material on the transparent substrate, and the polarizing material is not coated in the first region using a mask.
4. The display device according to claim 1, wherein the first region has a light transmittance of more than 90%.
5. The display device according to claim 1, wherein the display panel comprises an array substrate and a color film substrate which are arranged in a box-to-box manner, and liquid crystal arranged between the array substrate and the color film substrate.
6. The display device according to claim 5, wherein a region of the display panel opposite to the camera is a second region, and a light transmittance of the second region is greater than a light transmittance of a region of the display panel other than the second region.
7. The display device according to claim 6, wherein the second region does not include a color resist layer, a metal layer, and liquid crystal.
8. The display device according to claim 6, wherein the second region has a light transmittance of more than 90%.
9. The display device according to claim 6, further comprising a lower polarizer and a backlight module;
the first surface of the lower polarizer is bonded with the second surface of the display panel;
the second surface of the lower polarizer is adhered to the light-emitting surface of the backlight module;
the lower polarizer and the area of the backlight module opposite to the camera are third areas, and the third areas are through hole areas.
10. The display device according to claim 1, further comprising a cover plate bonded to the first surface of the upper polarizer by an optically clear adhesive.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392246.0A CN110133902A (en) | 2019-04-29 | 2019-04-29 | Display device |
| PCT/CN2019/106386 WO2020220567A1 (en) | 2019-04-29 | 2019-09-18 | Display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910392246.0A CN110133902A (en) | 2019-04-29 | 2019-04-29 | Display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110133902A true CN110133902A (en) | 2019-08-16 |
Family
ID=67573486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910392246.0A Pending CN110133902A (en) | 2019-04-29 | 2019-04-29 | Display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN110133902A (en) |
| WO (1) | WO2020220567A1 (en) |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110133787A (en) * | 2019-05-23 | 2019-08-16 | Oppo广东移动通信有限公司 | Polarizers, Display Modules and Mobile Terminals |
| CN110727143A (en) * | 2019-10-31 | 2020-01-24 | Oppo广东移动通信有限公司 | Display devices and electronic equipment |
| CN111240075A (en) * | 2020-01-16 | 2020-06-05 | 创维液晶器件(深圳)有限公司 | Display module, display screen and electronic equipment |
| CN111478990A (en) * | 2020-03-30 | 2020-07-31 | 维沃移动通信有限公司 | Display screen and electronic equipment |
| CN111599841A (en) * | 2020-05-19 | 2020-08-28 | 京东方科技集团股份有限公司 | Display device and method for manufacturing the same |
| CN111610589A (en) * | 2020-06-28 | 2020-09-01 | 上海创功通讯技术有限公司 | Manufacturing method of PVA layer, polarizer, display device and mobile terminal |
| WO2020220567A1 (en) * | 2019-04-29 | 2020-11-05 | 武汉华星光电技术有限公司 | Display device |
| WO2021098800A1 (en) * | 2019-11-22 | 2021-05-27 | 维沃移动通信有限公司 | Pole screen and electronic device |
| JP2021099474A (en) * | 2019-12-23 | 2021-07-01 | 日東電工株式会社 | Set of image display device and optical member |
| WO2021164630A1 (en) * | 2020-02-17 | 2021-08-26 | 京东方科技集团股份有限公司 | Display device and polarizer |
| CN113421912A (en) * | 2021-06-28 | 2021-09-21 | 武汉华星光电半导体显示技术有限公司 | Organic light emitting display device and method of fabricating the same |
| CN114627764A (en) * | 2022-03-16 | 2022-06-14 | 武汉华星光电半导体显示技术有限公司 | Display module and display device |
| US11714307B2 (en) | 2020-09-11 | 2023-08-01 | Hefei Boe Optoelectronics Technology Co, Ltd. | Display device and manufacturing method of display device |
| CN116859639A (en) * | 2023-07-27 | 2023-10-10 | 业成科技（成都）有限公司 | mobile display device |
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| CN115199989B (en) * | 2021-04-09 | 2024-07-30 | 北京小米移动软件有限公司 | Optical film, preparation method thereof, light guide structure and electronic equipment |
| CN115679254B (en) * | 2022-09-08 | 2025-06-24 | 京东方科技集团股份有限公司 | Mask plate, display substrate, and display device |
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| WO2020220567A1 (en) * | 2019-04-29 | 2020-11-05 | 武汉华星光电技术有限公司 | Display device |
| CN110133787B (en) * | 2019-05-23 | 2022-01-11 | Oppo广东移动通信有限公司 | Polaroid, display module and mobile terminal |
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