CN109491119A - Display panel and display device - Google Patents
Display panel and display device Download PDFInfo
- Publication number
- CN109491119A CN109491119A CN201811459914.9A CN201811459914A CN109491119A CN 109491119 A CN109491119 A CN 109491119A CN 201811459914 A CN201811459914 A CN 201811459914A CN 109491119 A CN109491119 A CN 109491119A
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- Prior art keywords
- blind hole
- edge
- hole
- frame
- display panel
- 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.)
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- 239000004973 liquid crystal related substance Substances 0.000 claims abstract description 32
- 239000010410 layer Substances 0.000 claims description 13
- 239000011241 protective layer Substances 0.000 claims description 7
- 230000003287 optical effect Effects 0.000 claims description 6
- 239000004568 cement Substances 0.000 claims description 5
- 239000011521 glass Substances 0.000 abstract description 14
- 230000001681 protective effect Effects 0.000 abstract description 2
- 230000000007 visual effect Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 230000008859 change Effects 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000005684 electric field Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000003384 imaging method Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 239000010408 film Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 230000005669 field effect Effects 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 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
- G02F1/133308—Support structures for LCD panels, e.g. frames or bezels
-
- 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
-
- 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)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
The invention discloses a kind of display panel and display device, the display panel includes viewing area and the non-display area around the viewing area；Frame is set in the non-display area, and the frame has the frame edge towards the viewing area；Blind hole is set in the non-display area, and the blind hole has hole edge, and the hole edge and the frame edge are tangent or partially overlap.The beneficial effects of the present invention are provide a kind of display panel and display device, when due to blind hole exploitation, without the borehole on liquid crystal layer, so blind hole position is moved on to the edge of protective glass layer by the present invention, blind hole is inscribed within the angle R of edge, blind hole is bonded with the perfection of the angle R, and the safe distance of 4mm can be cancelled, and visual effect is reinforced.
Description
Technical field
The present invention relates to field of liquid crystal display, in particular to a kind of display panel and display device.
Background technique
Liquid crystal is a kind of particular matter between a solid and a liquid, it is a kind of organic compound, is in liquid under normality
State, but its molecules align is but fairly regular as solid crystal, therefore is named liquid crystal.Another special nature of liquid crystal
It is, when not applying electric field, light can be penetrated smoothly；In the case where applying an electric field to liquid crystal, it can be changed
Molecules align, at this moment if giving its matching polarized light piece, it just has the function of that light is prevented to pass through, if cooperating colored filter again
Mating plate, change add to liquid crystal voltage size, can change a certain color light transmission capacity number, can also figuratively change liquid crystal
The voltage at both ends can change its light transmittance.
The working principle of liquid crystal display (full name in English: Liquid Crystal Display, abbreviation LCD) is by liquid crystal
It is placed between two panels electro-conductive glass, by the driving of two electric field between electrodes, causes the field effect of twisted liquid crystal molecules nematic, with
Lit transmissive or shielding function are controlled, light and shade variation is generated between power supply pass is opened, so that image be shown.If in addition color
Colo(u)r filter can then show chromatic image.On two panels glass substrate be equipped with alignment film, so liquid crystal can orientation along groove,
Since glass substrate alignment film groove deviates 90 degree, so liquid crystal molecule becomes twist mode, when electric field is not added in glass substrate
When, light follows liquid crystal to do 90 degree of torsions through polarizer, and by lower section polarizer, liquid crystal display panel is displayed in white；When glass base
When electric field is added in plate, liquid crystal molecule generates assortment variation, and light maintains former direction by liquid crystal molecule gap, by lower section polarizer
Masking, light, which is absorbed, to appear, and liquid crystal display panel shows black.Liquid crystal display is that whether there is or not make panel according to this voltage
Reach display effect.
It improving with the development of the times, the market development shielded comprehensively is swift and violent, wherein using Liu Haiping, water droplet screen as representative, by
The mainstream in market is gradually occupied, is mainly exactly to pursue higher screen accounting.Its developing thought is borehole design on the screen, before placement
Set camera.Effective display area domain is done the screen accounting for improving display screen greatly by it；In addition, due to can reduce non-display area
Size so that user is facilitated grip to effectively reduce display screen overall size, promote user experience.Specific developing thought has
Two kinds, one kind is via design, and another kind designs for blind hole.Through-hole is mainly the factors such as process complexity, cost, strength of glass
Need that special consideration should be given to the design of opposite blind hole can avoid these weak spots.Although blind hole than through-hole dominance, also there is its weakness
Place, glass transmitance mainly at blind hole, herein to front camera imaging have a direct impact, influence camera shooting effect
Fruit.Therefore it needs to seek a kind of novel liquid crystal display panel, the design effect of blind hole can be reached and improve glass at blind hole
The transmitance of glass.
Summary of the invention
The purpose of the present invention is to provide a kind of display panel and display device, solve in the prior art usually borehole away from
4mm safe distance is stayed from glass edge, this distance has no practicability, while not having aesthetic feeling.
The present invention provides a kind of display panels, the non-display area including viewing area and around the viewing area；Frame, if
In the non-display area, the frame has the frame edge towards the viewing area；Blind hole is set to the non-display area
In, the blind hole has hole edge, and the hole edge and the frame edge are tangent or partially overlap.
Further, the frame includes turning frame and the linear frame being connected with turning frame；The corner edges
The edge of frame is curved edge, towards the viewing area；The edge of the linear frame is straight edges, is shown towards described
Show area；The hole edge of the blind hole partially overlaps with the straight edges or the hole edge of the tangent or described blind hole and the arc
Marginal portion coincidence or tangent.
Further, the blind hole is circular hole；The position of the blind hole corresponds to the turning frame, and the blind hole
Hole edge is overlapped or tangent with the arcuate edge portions.
Further, the blind hole is circular hole；The position of the blind hole corresponds to the linear frame, and the blind hole
Hole edge and the straight edges it is tangent.
Further, the blind hole is square hole, has at least one linear hole edge, and the position of the blind hole corresponds to institute
Linear frame is stated, and the straight line shape hole edge of the square hole is overlapped with the straight edges.
It further, further include backlight；Down polaroid is placed on the backlight；Liquid crystal layer is placed in the lower polarisation
On piece；Upper polaroid is placed on the liquid crystal layer；Protective layer, the protection are placed in the upper polaroid；Camera, institute
Camera is stated to be placed in the blind hole；The blind hole runs through the backlight and the down polaroid, the blind hole opening direction
Towards the backlight far from the down polaroid side；Optical cement attaches to the protective layer and the upper polaroid.
Further, further include transparent area, the transparent area and correspond to the blind hole, the camera is towards described
Light area.
Further, in the transparent area, the upper polaroid further includes a loophole.
Further, the blind hole is fallen completely in the loophole in the projection in the upper polaroid.
The present invention also provides a kind of display devices, including the display panel.
The invention has the advantages that when due to blind hole exploitation, being not necessarily to the present invention provides a kind of display panel and display device
The borehole on liquid crystal layer, so blind hole position is moved on to the edge of protective glass layer by the present invention, blind hole is inscribed within the R of edge
Angle, blind hole are bonded with the perfection of the angle R, and the safe distance of 4mm can be cancelled, and visual effect is reinforced.
Detailed description of the invention
The present invention is further explained with reference to the accompanying drawings and examples.
Fig. 1 is the display panel schematic diagram in embodiment 1.
Fig. 2 is the display panel schematic diagram in embodiment 2.
Fig. 3 is the frame schematic diagram in embodiment 1.
Fig. 4 is the frame schematic diagram in embodiment 2.
Fig. 5 is the frame schematic diagram in embodiment 3.
In figure
10 display panels；
110 backlights；120 down polaroids；
130 liquid crystal layers；140 upper polaroids；
150 protective layers；160 blind holes；
170 optical cements；180 cameras；
190 transparent areas；
101 viewing areas；102 non-display areas；
103 frames；104 frame edges；
1031 turning frames；1041 curved edges；
1032 linear frames；1042 straight edges；
1410 loopholes；
1610 square holes；1611 hole edges；
1910 rectangular transparent areas；
Specific embodiment
Below in conjunction with Figure of description, the preferred embodiments of the present invention are described in detail, with complete to those of skill in the art
It is whole to introduce technology contents of the invention, prove that the present invention can be implemented with citing, so that technology contents disclosed by the invention are more
It is clear, so that will more readily understand how implement the present invention by those skilled in the art.However the present invention can pass through many differences
The embodiment of form emerges from, and protection scope of the present invention is not limited only to the embodiment mentioned in text, Examples below
The range that is not intended to limit the invention of explanation.
The direction term that the present invention is previously mentioned, for example, "upper", "lower", "front", "rear", "left", "right", "inner", "outside", "
Side " etc. is only the direction in attached drawing, and direction term used herein is of the invention for explanation and illustration, rather than is used
To limit the scope of protection of the present invention.
In the accompanying drawings, the identical component of structure is indicated with same numbers label, everywhere the similar component of structure or function with
Like numeral label indicates.In addition, in order to facilitate understanding and description, the size and thickness of each component shown in the drawings are any
It shows, the present invention does not limit the size and thickness of each component.
When certain components, when being described as " " another component "upper", the component can be placed directly within described another group
On part；There may also be an intermediate module, the component is placed on the intermediate module, and the intermediate module is placed in another group
On part.When a component is described as " installation is extremely " or " being connected to " another component, the two can be understood as direct " installation "
Or " connection " or a component pass through an intermediate module " installation is extremely " or " being connected to " another component.
Embodiment 1
As shown in Figure 1, the present invention provides a kind of display panels 10, including backlight 110, lower polarisation in the present embodiment
Piece 120, liquid crystal layer 130, upper polaroid 140, protective layer 150, blind hole 160, optical cement 170, camera 180 and transparent area
190。
As shown in figure 3, the display panel 10 includes viewing area 101 and the non-display area around the viewing area 101
102, the frame 103 is set in the non-display area 102, and the frame 103 has the frame side towards the viewing area 101
Edge 104；The frame 103 includes turning frame 1031 and the linear frame 1032 being connected with turning frame 1031, described to turn
The edge of arm of angle frame 1031 is curved edge 1041, and towards the viewing area 101, the edge of the linear frame 1032 is straight
Linear edge 1042, towards the viewing area 101.
The backlight 110 is mainly made of light source, light guide plate, optical film piece, plastic frame etc..Due to display panel 10
It is passive light-emitting component, display screen itself does not shine, it is therefore desirable to be illuminated by backlight 110 below.
The down polaroid 120 is set on the backlight 110, and effect is that natural light is made to become linearly polarized light.
The liquid crystal layer 130 includes upper and lower two panels glass substrate and the liquid being arranged between the two panels glass substrate
Crystalline substance, the liquid crystal layer 130 is between the upper polaroid 140 and the down polaroid 120.
The basic structure of the upper polaroid 140 is consistent with the basic structure of the down polaroid 120, is provided to make institute
State the imaging of display panel 10.
The corresponding blind hole 160 of the transparent area 190, due to polaroid meeting shield portions light, so, the present embodiment
In, the present invention, which is used, opens up loophole 1410, the corresponding blind hole 160 of the loophole 1410 in the upper polaroid 140.
The protective layer 150 is glassy layer, and effect is to prevent it by dust, air for protecting other optical elements
In the erosion damages such as moisture.
The optical cement 170 is the special adhesive for the cementing display panel 10 and the upper polaroid 140.
In the present embodiment, the blind hole 160 of the invention is circle, and opening direction is towards the backlight 110, successively
Through the backlight 110 and down polaroid 120, bottom is located on the liquid crystal layer 130, and the other end is opening, and be open court
To the backlight 110, the blind hole 160 is inscribed within the curved edge 1041.
180 shape of camera is adapted with 160 shape of blind hole, and when installation, the camera 180 is located at institute
It states in transparent area 190, cross section size is less than the blind hole 160 and there are certain intervals with the liquid crystal layer, facilitates installation.
Embodiment 2
As shown in Figures 2 and 4, the present embodiment is substantially similar in 1 structure of embodiment, the difference lies in that imaging in the present invention
Head settlement 190 is placed among the display panel 10, wherein the blind hole 160 and the linear frame 1032 are tangent.
Embodiment 3
As shown in figure 5, the present embodiment and 1 structure of embodiment are substantially similar, the difference lies in that in the present embodiment, the present invention
In blind hole 160 be square hole, transparent area be rectangular transparent area 1910 corresponding with the blind hole, the square hole includes hole edge
1610, the hole edge 1610 partially overlaps with the linear frame 1032.
The present invention also provides a kind of display devices, including the display panel 10, and technical characteristics are embodied in
On the display panel 10, other component no longer repeats one by one.
Terminal installation provided by the present invention is described in detail above.It should be understood that exemplary reality as described herein
The mode of applying should be to be considered only as descriptive, be used to help understand method and its core concept of the invention, and be not used to limit
The system present invention.The description of features or aspect should be usually considered in each illustrative embodiments exemplary suitable for other
Similar features or aspects in embodiment.Although reference example embodiment describes the present invention, it can suggest fields
Technical staff carries out various change and change.The invention is intended to cover in the scope of the appended claims these variation and more
Change.
The above is merely preferred embodiments of the present invention, be not intended to limit the invention, it is all in spirit of the invention and
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within principle.
Claims (10)
1. a kind of display panel, which is characterized in that including
Viewing area and non-display area around the viewing area；
Frame is set in the non-display area, and the frame has the frame edge towards the viewing area；
Blind hole is set in the non-display area, and the blind hole has a hole edge, the hole edge and frame edge is tangent or part
It is overlapped.
2. display panel according to claim 1, which is characterized in that
The frame includes turning frame and the linear frame being connected with turning frame；
The edge of the turning frame is curved edge, towards the viewing area；
The edge of the linear frame is straight edges, towards the viewing area；
The hole edge of the blind hole partially overlaps or tangent with the straight edges, or
The hole edge of the blind hole is overlapped or tangent with the arcuate edge portions.
3. display panel according to claim 2, which is characterized in that
The blind hole is circular hole；
The position of the blind hole correspond to the turning frame, and the hole edge of the blind hole be overlapped with the arcuate edge portions or
It is tangent.
4. display panel according to claim 2, which is characterized in that
The blind hole is circular hole；
The position of the blind hole corresponds to the linear frame, and the hole edge of the blind hole and the straight edges are tangent.
5. display panel according to claim 2, which is characterized in that
The blind hole is square hole, has at least one linear hole edge, and the position of the blind hole corresponds to the linear frame,
And the straight line shape hole edge of the square hole is overlapped with the straight edges.
6. display panel according to claim 1, which is characterized in that further include
Backlight；
Down polaroid is placed on the backlight；
Liquid crystal layer is placed in the down polaroid；
Upper polaroid is placed on the liquid crystal layer；
Protective layer, the protection are placed in the upper polaroid；
Camera, the camera are placed in the blind hole；
The blind hole runs through the backlight and the down polaroid, and the blind hole opening direction is towards the backlight far from institute
State down polaroid side；
Optical cement attaches to the protective layer and the upper polaroid.
7. display panel as claimed in claim 6, which is characterized in that further include
Transparent area, the transparent area correspond to the blind hole, and the camera is towards the transparent area.
8. display panel as claimed in claim 7, which is characterized in that
In the transparent area, the upper polaroid further includes a loophole.
9. display panel as claimed in claim 8, which is characterized in that
The blind hole is fallen completely in the loophole in the projection in the upper polaroid.
10. a kind of display device, which is characterized in that including the display panel as described in claim 1-9 is any.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459914.9A CN109491119A (en) | 2018-11-30 | 2018-11-30 | Display panel and display device |
| PCT/CN2019/084884 WO2020107803A1 (en) | 2018-11-30 | 2019-04-29 | Display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811459914.9A CN109491119A (en) | 2018-11-30 | 2018-11-30 | Display panel and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109491119A true CN109491119A (en) | 2019-03-19 |
Family
ID=65698718
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811459914.9A Pending CN109491119A (en) | 2018-11-30 | 2018-11-30 | Display panel and display device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109491119A (en) |
| WO (1) | WO2020107803A1 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110119182A (en) * | 2019-04-23 | 2019-08-13 | 武汉华星光电技术有限公司 | Display device and terminal |
| 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 |
| CN110213465A (en) * | 2019-04-24 | 2019-09-06 | 维沃移动通信有限公司 | A kind of display module and terminal |
| CN110568643A (en) * | 2019-07-22 | 2019-12-13 | 珠海格力电器股份有限公司 | Camera shooting installation device of mobile terminal and mobile terminal |
| WO2020107803A1 (en) * | 2018-11-30 | 2020-06-04 | 武汉华星光电技术有限公司 | Display panel and display device |
| CN111273474A (en) * | 2020-03-25 | 2020-06-12 | 武汉华星光电技术有限公司 | Display device and terminal |
| WO2020249072A1 (en) * | 2019-06-14 | 2020-12-17 | 华为技术有限公司 | Liquid crystal display screen and mobile terminal |
| WO2020248631A1 (en) * | 2019-06-10 | 2020-12-17 | 武汉华星光电技术有限公司 | Liquid crystal display apparatus |
| WO2021056695A1 (en) * | 2019-09-23 | 2021-04-01 | 武汉华星光电技术有限公司 | Display module and adhesive dispensing method therefor |
| WO2021258921A1 (en) * | 2020-06-23 | 2021-12-30 | 中兴通讯股份有限公司 | Under-display screen camera device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020107803A1 (en) * | 2018-11-30 | 2020-06-04 | 武汉华星光电技术有限公司 | Display panel and display device |
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| WO2020249072A1 (en) * | 2019-06-14 | 2020-12-17 | 华为技术有限公司 | Liquid crystal display screen and mobile terminal |
| CN110568643A (en) * | 2019-07-22 | 2019-12-13 | 珠海格力电器股份有限公司 | Camera shooting installation device of mobile terminal and mobile terminal |
| WO2021056695A1 (en) * | 2019-09-23 | 2021-04-01 | 武汉华星光电技术有限公司 | Display module and adhesive dispensing method therefor |
| US11385487B2 (en) | 2019-09-23 | 2022-07-12 | Wuhan China Star Optoelectronics Technology Co., Ltd. | Display module and glue dispensing method hereof |
| CN111273474A (en) * | 2020-03-25 | 2020-06-12 | 武汉华星光电技术有限公司 | Display device and terminal |
| CN111273474B (en) * | 2020-03-25 | 2023-12-05 | 武汉华星光电技术有限公司 | Display device and terminal |
| WO2021258921A1 (en) * | 2020-06-23 | 2021-12-30 | 中兴通讯股份有限公司 | Under-display screen camera device |
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|---|---|
| WO2020107803A1 (en) | 2020-06-04 |
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Application publication date: 20190319 |