CN112019717A - High-definition display panel compatible with camera module under screen - Google Patents
High-definition display panel compatible with camera module under screen Download PDFInfo
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- CN112019717A CN112019717A CN202010836878.4A CN202010836878A CN112019717A CN 112019717 A CN112019717 A CN 112019717A CN 202010836878 A CN202010836878 A CN 202010836878A CN 112019717 A CN112019717 A CN 112019717A
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Images
Classifications
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- 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
-
- 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
- G02F1/15—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 an electrochromic effect
- G02F1/1514—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 an electrochromic effect characterised by the electrochromic material, e.g. by the electrodeposited material
-
- 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
- G02F1/15—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 an electrochromic effect
- G02F1/153—Constructional details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
- H04N7/142—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display
- H04N7/144—Constructional details of the terminal equipment, e.g. arrangements of the camera and the display camera and display on the same optical axis, e.g. optically multiplexing the camera and display for eye to eye contact
Abstract
The invention relates to the technical field of OLED panel array substrates, in particular to a high-definition display panel compatible with a camera module under a screen, which comprises a substrate and a lens module, wherein a device layer, a luminescent layer, a packaging cover plate, a polarizer layer and a protective cover plate are sequentially stacked on one side surface of the substrate; and during the display period of the panel, because the electrochromic film is not transparent, the contrast of the picture of the panel can be improved, and the reduction of the display effect caused by the opening of the polarizer layer is reduced, thereby improving the light transmission quantity of the lens module.
Description
Technical Field
The invention relates to the technical field of OLED panels, in particular to a high-definition display panel compatible with an off-screen camera module.
Background
After the concept of 'full screen' appears, people start to move forward towards the target, and through the effort, the navigation keys, the receivers, the sensors, the fingerprint identification module and the like are all successfully hidden, the width of the frame is continuously reduced by the new packaging process, however, the 'nail user' which is a front camera is the final obstacle when the people are favored to be in the hope; therefore, the special-shaped screen becomes the mainstream, and simultaneously, dissatisfaction of a large number of users is caused; the mechanical structure ensures the integrity of the screen, but the machine body becomes thick and heavy, and the reliability is also reduced.
The screen display area above the front camera is required to be in a normal display state when the camera is closed, and the area can ensure that the front camera has sufficient light entering amount after the camera is started; therefore, the end product carrying the under-screen camera must use an OLED (organic light emitting diode) screen with very high light transmittance, otherwise, the insufficient light input quantity will affect the imaging effect of the front-end camera.
Although the OLED screen can transmit light, the light transmission rate is actually low; the optical fingerprint identification can illuminate a shot picture through active high-brightness luminescence of a screen to make up for the problem of low light transmittance, however, most of the conditions of a front camera for shooting only passively receive ambient light, and the light transmittance becomes a big problem under the conditions that a camera module is small and the light sensing capability is weak; the current mainstream method is the low PPI scheme, but the PPI of the whole screen is not made low, but the low PPI design is made only on a small part of the screen in the camera area, and the display difference with the surrounding screen is caused; the PPI of the current screen is about 400, and the PPI is at the level, the light transmittance of the camera is very low, so that the photographing effect is seriously influenced; if the PPI is reduced and the transmittance is improved, the difference between the PPI in the display area and the PPI in the whole screen is large, and the phenomenon that the display area has color blocks and the like occurs.
At the Shanghai of MWC19, OPPO first degree shows its camera solution "perspective panorama screen" under the screen, has attracted the sight that masses were concerned about, but the person of trying on finds that camera technique is not so ripe that imagination under the screen: the imaging definition is not high during photographing, and the condition of obvious whitening occurs; the display effect of the camera area and other areas of the screen have obvious color difference, and the close-up viewing is more obvious.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the high-definition display panel is compatible with the camera module under the screen, and can improve the light transmission amount of the lens module.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a high definition display panel of camera module under compatible screen, includes base plate and camera lens module, it is equipped with device layer, luminescent layer, encapsulation apron, polarisation lamella and protection apron to stack gradually on the side of base plate, first via hole has been seted up in the anti-reflection district of polarisation lamella, the second via hole has been seted up in the anti-reflection district of luminescent layer, the third via hole has been seted up in the anti-reflection district of device layer, first via hole sets up with the second via hole relatively, the second via hole sets up and communicates with each other with the third via hole relatively, it has transparent luminescent layer to fill in the second via hole, with the anti-reflection district of the relative another side in a side of base plate is equipped with electrochromic membrane, electrochromic membrane is located between base plate and the camera lens module, the camera lens module corresponds first via hole setting.
The invention has the beneficial effects that:
the electrochromic film is arranged in the anti-reflection area on the other side surface opposite to one side surface of the substrate, so that the lens module can be hidden when the lens module does not need to be called due to the light-tight property of the electrochromic film; and during the display period of the panel, because the electrochromic film is not transparent, the contrast of the picture of the panel can be improved, and the reduction of the display effect caused by the opening of the polarizer layer is reduced, thereby improving the light transmission quantity of the lens module.
Drawings
Fig. 1 is a schematic structural diagram of a high-definition display panel compatible with an off-screen camera module according to the present invention;
fig. 2 is a schematic structural diagram of a high-definition display panel compatible with an off-screen camera module according to the present invention;
fig. 3 is a schematic structural diagram of a high-definition display panel compatible with an off-screen camera module according to the present invention;
fig. 4 is a schematic structural diagram of an electrochromic film of a high definition display panel compatible with an off-screen camera module according to the present invention;
fig. 5 is a schematic structural diagram of a high-definition display panel compatible with an off-screen camera module according to the present invention;
fig. 6 is a schematic structural diagram of an application example of a high definition display panel compatible with an off-screen camera module according to the present invention;
fig. 7 is a schematic structural diagram of an application example of a high definition display panel compatible with an off-screen camera module according to the present invention;
fig. 8 is a schematic structural diagram of an application example of a high definition display panel compatible with an off-screen camera module according to the present invention;
description of reference numerals:
1. a substrate;
2. a lens module; 21. a light-reducing film coating layer;
3. a device layer; 31. a third via hole;
4. a light emitting layer; 41. a second via hole; 42. a transparent light emitting layer;
5. packaging the cover plate;
6. a polarizer layer; 61. a first via hole;
7. a protective cover plate;
8. an electrochromic film; 81. a first transparent electrode layer; 82. an electrochromic layer; 83. a second transparent electrode layer;
9. a second antireflection film;
10. an anti-reflection area;
11. a normal zone.
Detailed Description
In order to explain technical contents, achieved objects, and effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1, the technical solution provided by the present invention is:
the utility model provides a high definition display panel of camera module under compatible screen, includes base plate and camera lens module, it is equipped with device layer, luminescent layer, encapsulation apron, polarisation lamella and protection apron to stack gradually on the side of base plate, first via hole has been seted up in the anti-reflection district of polarisation lamella, the second via hole has been seted up in the anti-reflection district of luminescent layer, the third via hole has been seted up in the anti-reflection district of device layer, first via hole sets up with the second via hole relatively, the second via hole sets up and communicates with each other with the third via hole relatively, it has transparent luminescent layer to fill in the second via hole, with the anti-reflection district of the relative another side in a side of base plate is equipped with electrochromic membrane, electrochromic membrane is located between base plate and the camera lens module, the camera lens module corresponds first via hole setting.
From the above description, the beneficial effects of the present invention are:
the electrochromic film is arranged in the anti-reflection area on the other side surface opposite to one side surface of the substrate, so that the lens module can be hidden when the lens module does not need to be called due to the light-tight property of the electrochromic film; and during the display period of the panel, because the electrochromic film is not transparent, the contrast of the picture of the panel can be improved, and the reduction of the display effect caused by the opening of the polarizer layer is reduced, thereby improving the light transmission quantity of the lens module.
Furthermore, a side surface of the lens module close to the electrochromic film is covered with a light-reducing film coating layer.
As can be seen from the above description, the side surface of the lens module close to the electrochromic film is covered with the light-reducing coating layer to ensure the invisibility of the lens module in the information screen state.
Further, electrochromic membrane includes first transparent electrode layer, it is equipped with electrochromic layer and second transparent electrode layer to stack gradually on one side of first transparent electrode layer.
Furthermore, electrochromic layer includes the electrolyte layer, stack gradually on one side of electrolyte layer and be equipped with electrochromic layer and ion storage layer.
Furthermore, a first antireflection film is filled in the first via hole.
As can be seen from the above description, the first anti-reflection film is filled in the first via hole, so that the light transmittance of the lens module can be improved by utilizing the light coherence effect, and the transmittance of the anti-reflection region of the panel can be further improved.
Furthermore, a second antireflection film is arranged on one side face, far away from the polarizer layer, of the protective cover plate.
As can be seen from the above description, the second antireflection film is disposed on a side surface of the protective cover plate away from the polarizer layer, so that the light transmittance of the lens module can be improved by utilizing the light coherence effect, and the light transmittance of the anti-reflection region of the panel can be further improved.
Furthermore, a transparent thin film transistor and a driving signal circuit are arranged in the third via hole, and the transparent thin film transistor is electrically connected with the driving signal circuit.
Referring to fig. 1 to 8, a first embodiment of the present invention is:
referring to fig. 1 and 5, a high-definition display panel compatible with an off-screen camera module comprises a substrate 1 and a lens module 2, a device layer 3, a luminescent layer 4, a packaging cover plate 5, a polarizer layer 6 and a protective cover plate 7 are sequentially laminated on one side surface of the substrate 1, the anti-reflection area 10 of the polarizer layer 6 is provided with a first through hole 61, the anti-reflection area 10 of the luminescent layer 4 is provided with a second through hole 41, a third via hole 31 is formed in the anti-reflection region 10 of the device layer 3, the first via hole 61 and the second via hole 41 are arranged oppositely, the second via hole 41 is opposite to and communicated with the third via hole 31, the second via hole 41 is filled with a transparent light emitting layer 424, an anti-reflection area 10 on the other side opposite to one side of the substrate 1 is provided with an electrochromic film 8, the electrochromic film 8 is located between the substrate 1 and the lens module 2, and the lens module 2 is arranged corresponding to the first via hole 61.
A flat layer is further included between the device layer 3 and the light-emitting layer 4, and the thickness of the flat layer is 1-3.5 μm, preferably 2.5 μm; the thickness of the device layer 3 is 0.8-2 μm, preferably 1.5 μm; the thickness of the light-emitting layer 4 is 0.1 μm to 0.5 μm, preferably 0.35 μm; the thickness of the packaging cover plate 5 is 0.05mm-0.4mm, and preferably 0.25 mm; the thickness of the polarizer layer 6 is 0.1mm-0.5mm, preferably 0.4 mm; the thickness of the protective cover plate 7 is 0.15mm-0.5mm, preferably 0.3 mm;
the lens module 2 may be composed of a front protection film, a lens set, a focusing motor, an infrared filter, an image sensor, and a circuit connection substrate.
Referring to fig. 2, a side of the lens module 2 close to the electrochromic film 8 is covered with a light-reducing coating layer 21.
Referring to fig. 4, the electrochromic film 8 includes a first transparent electrode layer 81, a material of the first transparent electrode layer 81 may be tin-doped indium oxide (ITO), fluorine-doped tin oxide (FTO), antimony-doped tin oxide (ATO), or the like, an electrochromic layer 82 and a second transparent electrode layer 83 are sequentially stacked on one side surface of the first transparent electrode layer 81, and a material of the second transparent electrode layer 83 may be tin-doped indium oxide (ITO), fluorine-doped tin oxide (FTO), antimony-doped tin oxide (ATO), or the like;
the electrochromic layer 82 includes an electrolyte layer, which may be a liquid electrolyte, such as an inorganic lithium salt (LiClO)4Or LiPF4Etc.) and organic solvents (propylene carbonate, ethylene carbonate, etc.); the electrolyte layer may also be an inorganic solid electrolyte, typically an oxide material, such as Ta2O5 or LiPON or LiBSO or LiAlF4Or LiNbO3Etc.; the electrolyte layer may be made of a polymer electrolyte, such as a solid polymer electrolyte, a gel polymer electrolyte, or a mixed polymer electrolyte; an electrochromic layer and an ion storage layer are sequentially stacked on one side surface of the electrolyte layer, and the ion storage layer can be made of TiO2Or V2O5Or CeO2Or ZnO, etc.
The electrochromic layer 82 can be prepared by vacuum evaporation deposition, sputtering deposition (PVD), sputtering deposition (CVD), spray pyrolysis, anodic oxidation, hydrothermal method, solvothermal method, and the like;
the material of the electrochromic layer 82 may be selected according to design requirements:
inorganic electrochromic materials, such as: WO3、MoO3、Nb2O5、TiO2、NiO、IrOx、Co2O3、Rh2O3And MnO2Etc.;
organic electrochromic materials, such as: polythiophene and its derivatives, tetrathiafulvalene, viologen and metal phthalocyanine compounds;
a first antireflection film is filled in the first via hole 61, and the first antireflection film may be MgF2Or GaF2Or SiO2Or Al2O3Or Si3N4Or ZrO2Or TiO2Etc., the single-layer or multi-layer composite coating film may be performed by sputter deposition (PVD) or sputter deposition (CVD).
Referring to fig. 3, a second antireflection film 9 is disposed on a side of the protective cover plate 7 away from the polarizer layer 6, and the material of the second antireflection film 9 is the same as that of the first antireflection film.
And a transparent thin film transistor and a driving signal circuit are arranged in the third via hole 31, and the transparent thin film transistor is electrically connected with the driving signal circuit.
Referring to fig. 6, 7 and 8, the positions of the anti-reflection regions 10 and the normal regions 11 on the panel are not particularly limited, and the shape, size, position and number of the anti-reflection regions 10 may be any geometric shape or any size according to actual design requirements, and any number may be any position of the display panel according to actual design requirements.
The pixel density of the anti-reflection area 10 and the pixel density of the normal area 11 of the display panel designed by the scheme can be kept consistent, and the phenomenon that the existing under-screen camera terminal equipment performs white leaving and pixel density reduction on partial pixels in order to ensure the light transmittance of a camera area, so that the appearance has chromatic aberration is improved.
In summary, according to the high definition display panel compatible with the under-screen camera module provided by the invention, the electrochromic film is arranged in the anti-reflection area on the other side surface opposite to one side surface of the substrate, and due to the light-tight property of the electrochromic film, the lens module can be hidden when the lens module does not need to be called; and during the display period of the panel, because the electrochromic film is not transparent, the contrast of the picture of the panel can be improved, and the reduction of the display effect caused by the opening of the polarizer layer is reduced, thereby improving the light transmission quantity of the lens module.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to the related technical fields, are included in the scope of the present invention.
Claims (7)
1. The utility model provides a high definition display panel of camera module under compatible screen, a serial communication port, including base plate and camera lens module, it is equipped with device layer, luminescent layer, encapsulation apron, polarisation lamella and protective cover to stack gradually on the side of base plate, first via hole has been seted up in the anti-reflection district of polarisation lamella, the second via hole has been seted up in the anti-reflection district of luminescent layer, the third via hole has been seted up in the anti-reflection district on device layer, first via hole sets up with the second via hole relatively, the second via hole sets up and communicates with each other with the third via hole relatively, it has transparent luminescent layer to fill in the second via hole, with the anti-reflection district of the relative another side in a side of base plate is equipped with electrochromic membrane, electrochromic membrane is located between base plate and the camera lens module, the camera lens module corresponds first via hole setting.
2. The high definition display panel compatible with the under-screen camera module as claimed in claim 1, wherein a side of the lens module near the electrochromic film is covered with a light-reducing coating layer.
3. The high-definition display panel compatible with the off-screen camera module as claimed in claim 1, wherein the electrochromic film comprises a first transparent electrode layer, and an electrochromic layer and a second transparent electrode layer are sequentially stacked on one side of the first transparent electrode layer.
4. The high definition display panel compatible with the under-screen camera module according to claim 3, wherein the electrochromic layer comprises an electrolyte layer, and an electrochromic layer and an ion storage layer are sequentially stacked on one side of the electrolyte layer.
5. The high-definition display panel compatible with the under-screen camera module as claimed in claim 1, wherein the first via hole is filled with a first antireflection film.
6. The high-definition display panel compatible with the under-screen camera module as claimed in claim 1, wherein a second antireflection film is disposed on a side of the protective cover plate away from the polarizer layer.
7. The high-definition display panel compatible with the off-screen camera module as claimed in claim 1, wherein a transparent thin film transistor and a driving signal circuit are disposed in the third via hole, and the transparent thin film transistor is electrically connected to the driving signal circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010836878.4A CN112019717A (en) | 2020-08-19 | 2020-08-19 | High-definition display panel compatible with camera module under screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112928148A (en) * | 2021-04-02 | 2021-06-08 | 维沃移动通信有限公司 | Display panel and electronic device |
| CN113376901A (en) * | 2021-06-07 | 2021-09-10 | 惠州华星光电显示有限公司 | Display panel and electronic device |
| CN113724589A (en) * | 2021-08-20 | 2021-11-30 | 惠州华星光电显示有限公司 | Display screen and display device |
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