CN112130394A - Light leakage prevention electronic ink screen - Google Patents
Light leakage prevention electronic ink screen Download PDFInfo
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- CN112130394A CN112130394A CN202011086186.9A CN202011086186A CN112130394A CN 112130394 A CN112130394 A CN 112130394A CN 202011086186 A CN202011086186 A CN 202011086186A CN 112130394 A CN112130394 A CN 112130394A
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- 239000012790 adhesive layer Substances 0.000 claims abstract description 24
- 230000003287 optical effect Effects 0.000 claims abstract description 24
- 230000006698 induction Effects 0.000 claims abstract description 12
- 239000003973 paint Substances 0.000 claims description 39
- 239000003795 chemical substances by application Substances 0.000 claims description 21
- 230000000007 visual effect Effects 0.000 abstract description 3
- 230000001681 protective effect Effects 0.000 abstract 1
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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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
-
- 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
- G02F1/165—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 translational movement of particles in a fluid under the influence of an applied field
- G02F1/1675—Constructional details
- G02F1/1677—Structural association of cells with optical devices, e.g. reflectors or illuminating devices
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
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- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Liquid Crystal (AREA)
Abstract
The application discloses electron ink screen of leak protection light includes: the glass touch panel, the touch induction layer, the light guide plate and the ink display screen are sequentially arranged from the outside to the inside, a first optical adhesive layer is arranged between the glass touch panel and the touch induction layer, a light leakage area of the first optical adhesive layer is coated with a first dark color coating layer, a second dark color coating layer is further arranged on the side faces of the glass touch panel, the touch induction layer, the light guide plate and the ink display screen, and the second dark color coating layer is arranged from the outside to the inside. The light leak problem of electron ink screen product has been solved to this application, has gained the user greatly and has experienced the visual of screen, has also strengthened the protective effect to eyes simultaneously.
Description
Technical Field
The application belongs to the technical field of electronic ink screens, and particularly relates to an electronic ink screen capable of preventing light leakage.
Background
Electronic ink screens (commonly referred to as electronic paper) have a display effect similar to that of ink paper due to their reflective (non-self-luminous) bistable display technology. Compared with the common LCD, OLED and other self-luminous and back-luminous liquid crystal screens, the ink screen has no flicker or blue light, and the damage and fatigue feeling to eyes caused by watching the ink screen for a long time are far less than the influence of watching a mobile phone and a flat screen under the same condition. Aiming at the characteristic of the ink screen, manufacturers develop ink screen electronic books and electronic paper products, are pursued by a plurality of reading enthusiasts, and become helpful aids for people in the aspects of reading, education, scientific research and the like.
With the promotion of the market and the improvement of the user demand, the user has a higher pursuit for the screen appearance and the display effect of the electronic book product. In addition to higher definition and larger screen sizes, users also demand ink screen products that are flat, less prone to dust, shatter, non-reflective, and more importantly, light-tight. The characteristics of the former points can be achieved by covering the ink screen with an etched glass cover plate. However, the problem of light leakage has been solved only by absorbing light by filling a dark color paint in the light leakage region of the frame under the glass cover plate. The disadvantage of this is that the product can only be made with a dark border appearance, and therefore the requirements of some users who want a light-colored cover plate border appearance cannot be met.
The light leakage problem is mainly caused by that the reading lamp light emitted by the front light guide plate is diffracted and refracted when passing through the glass cover plate, and a halo is generated at the peripheral frame of the cover plate. When the thickness value of the glass cover plate is larger, the light leakage area is larger, and the light leakage is more obvious.
In order to meet the requirements of light-colored product frames and light leakage prevention in the prior art, etched glass materials are abandoned, PMMA composite material cover plates are selected instead, and because PMMA can be made into multi-layer polymerization, the upper layer is coated with light-colored paint as the appearance color of the frames, and the lower layer is coated with dark paint to prevent light leakage. Wherein the AG film positioned at the uppermost portion of the product can provide a specified haze, anti-glare. The upper layer of the multilayer coating below the AG film is light gray to set the appearance color of the frame, and the lower layer is black to absorb light to prevent light leakage. However, the above PMMA material has the following disadvantages compared with the etched glass cover plate: the PMMA material has lower surface strength and is easy to scratch; the PMMA screen has lower transmittance and definition, blurred vision, higher haze and roughness, and cannot fully exert the resolution effect; the cost is higher, and the process yield is lower; the problem of gap light leakage cannot be solved, and the heat dissipation effect is poor.
Disclosure of Invention
In view of the above-mentioned shortcomings or drawbacks of the prior art, an electronic ink screen for preventing light leakage is provided.
In order to solve the technical problem, the application is realized by the following technical scheme:
the application provides an electron ink screen of leak protection light, include: the glass touch panel, the touch induction layer, the light guide plate and the ink display screen are sequentially arranged from the outside to the inside, a first optical adhesive layer is arranged between the glass touch panel and the touch induction layer, a light leakage area of the first optical adhesive layer is coated with a first dark color coating layer, a second dark color coating layer is further arranged on the side faces of the glass touch panel, the touch induction layer, the light guide plate and the ink display screen, and the second dark color coating layer is arranged from the outside to the inside.
Further, in the above light leakage prevention electronic ink screen, a second optical adhesive layer is further disposed between the light guide plate and the ink display screen.
Furthermore, the electronic ink screen for preventing light leakage further comprises an AG film, wherein the AG film is covered on the surface of the glass touch panel.
Further, in the light leakage prevention electronic ink screen, a third optical adhesive layer is further arranged between the AG film and the glass touch panel.
Further, in the above electronic ink screen for preventing light leakage, the light leakage area of the third optical adhesive layer is further coated with a light-colored paint layer.
Further, the light leakage prevention electronic ink screen is characterized in that the first dark color coating layer/the second dark color coating layer comprises a black coating layer.
Further, the electronic ink screen for preventing light leakage is described, wherein the black coating layer comprises an ink layer.
Further, in the electronic ink screen for preventing light leakage, the first dark color paint layer is arranged by extending the light leakage area to the outer edge of the glass touch panel.
Furthermore, in the light leakage prevention electronic ink screen, the glass touch panel is made of etched glass.
Furthermore, the light leakage prevention electronic ink screen further comprises a shell, and the shell wraps the glass touch panel, the touch sensing layer, the light guide plate and the ink display screen.
Compared with the prior art, the method has the following technical effects:
the electronic ink screen solves the problem of light leakage of electronic ink screen products, greatly increases the visual experience of a user on the screen, and simultaneously enhances the protection effect on eyes;
on the premise of solving the problem of light leakage, the method ensures the etching glass material of the touch panel, so that the electronic screen has better display effect;
according to the application, the first dark color coating layer is coated on the light leakage area of the first optical adhesive layer, so that the reflection and the transmission of weak light can be greatly attenuated; coating a second deep color coating layer on the side surfaces of the glass touch panel, the touch sensing layer, the light guide plate and the ink display screen, wherein the second deep color coating layer can prevent the occurrence of side light leakage;
this application is through setting up the thin and thin AG membrane of one deck on above-mentioned touch panel to at the place coating one deck light color coating that corresponds with AG membrane light leakage area, can also be the light color system with the frame self-definition of product when guaranteeing the electronic ink screen light leak, satisfied specific user and to the light color demand of being product appearance.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
FIG. 1: the structure schematic diagram of the first implementation mode of the light-leakage-preventing electronic ink screen is shown;
FIG. 2: the application discloses a structural schematic diagram of a second implementation mode of an electronic ink screen for preventing light leakage.
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, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the 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.
Example one
As shown in fig. 1, an electronic ink screen for preventing light leakage includes: the glass touch panel comprises a glass touch panel 10, a touch induction layer 20, a light guide plate 30 and an ink display screen 40 which are sequentially arranged from the outside to the inside, wherein a first optical adhesive layer A is arranged between the glass touch panel 10 and the touch induction layer 20, a light leakage area M of the first optical adhesive layer A is coated with a first dark color paint layer C, a second dark color paint layer D is further arranged on the side surfaces of the glass touch panel 10, the touch induction layer 20, the light guide plate 30 and the ink display screen 40, and the second dark color paint layer D is arranged from the outside to the inside.
In the embodiment, the first dark color coating layer C is coated on the light leakage area M of the first optical adhesive layer a, so that the reflection and transmission of light can be greatly attenuated; and coating a second dark color coating layer D on the side surfaces of the glass touch panel 10, the touch sensing layer 20, the light guide plate 30 and the ink display screen 40, wherein the second dark color coating layer D can prevent the side light leakage.
As shown in fig. 1, the light leakage region M is close to the periphery of the glass touch panel 10, and generally, since the electronic ink screen is mostly in a quadrilateral structure, the light leakage region M is generally present at each side of the electronic ink screen, and therefore, when the first dark paint layer C is disposed, the first dark paint layer C is preferably annularly arranged along the circumferential direction to partially absorb the light transmitted by the glass touch panel 10. Of course, when the electronic ink screen is of a non-quadrilateral structure, the first dark paint layer C is also preferably annularly arranged along the axis to attenuate the reflection and propagation of light to the maximum extent.
Wherein, the principle of the above-mentioned leak protection light does: the reflection intensity of light can be greatly weakened by the dark paint, as shown in fig. 1, the light reflected to the first dark paint layer C in the glass touch panel 10 starts to be gradually weakened, and the larger the setting area of the first dark paint layer C is, the stronger the weakening effect on light is. Simultaneously, this embodiment still sets up second dark dope layer D in the periphery of electronic ink screen to use dark coating to absorb light, prevent to survey the condition of light leak and take place.
Wherein, the first dark color paint layer C or the second dark color paint layer D preferably adopts a black paint layer to attenuate reflection and propagation of light more greatly.
Of course, in the practical application process, the first dark color coating layer C or the second dark color coating layer D may also adopt other dark color biased coatings such as an ink blue coating.
The black coating layer is preferably an ink layer, and the ink layer has a wide source and a low price, and can greatly weaken the reflection and propagation of light below the glass touch panel 10.
Since the larger the paint region of the first dark paint layer C is, the stronger the weakening effect of light is, in order to attenuate the propagation and reflection of light to a greater extent, in the present embodiment, the first dark paint layer C is preferably disposed to extend from the light leakage region M to the outer edge of the glass touch panel 10.
Further, a second optical adhesive layer B is disposed between the light guide plate 30 and the ink display screen 40.
In this embodiment, the glass touch panel 10 is made of etched glass. The etched glass can ensure the surface strength and the pasting effect and can ensure that the screen has better display effect.
This embodiment still includes a casing E, casing E parcel glass touch panel 10 touch-control inductive layer 20 the light guide plate 30 and ink display screen 40 sets up all around, thereby will glass touch panel 10 touch-control inductive layer 20 light guide plate 30 and ink display screen 40 wraps up all around, plays the guard action, also conveniently grips when specifically using etc.
Example two
As shown in fig. 2, the present embodiment further provides an AG film 50 with anti-glare function on the basis of the first embodiment.
Specifically, the method comprises the following steps: the glass touch panel 10, the touch sensing layer 20, the light guide plate 30 and the ink display screen 40 are sequentially arranged from the outside to the inside, a first optical adhesive layer a is arranged between the glass touch panel 10 and the touch sensing layer 20, a light leakage area M of the first optical adhesive layer a is coated with a first dark color paint layer C, a second dark color paint layer D is further arranged on the side surfaces of the glass touch panel 10, the touch sensing layer 20, the light guide plate 30 and the ink display screen 40, and the second dark color paint layer D is arranged from the outside to the inside.
The embodiment further provides a thin AG film 50, and the AG film 50 covers the surface of the glass touch panel 10. In this embodiment, the AG film 50 is preferably made of a glass material, and more preferably, the AG film is preferably made of a thin glass fiber. The thin layer is arranged under the conditions of overcoming light leakage, preventing glare and meeting the requirements of the outer frame of a light-colored product, so that the thickness of the product can be further reduced.
Further, a third optical adhesive layer (not shown) is further disposed between the AG film 50 and the glass touch panel 10.
Further, the light leakage area M of the third optical adhesive layer is coated with the light-colored paint layer F, so that the color of the frame appearance of the electronic ink screen of the embodiment shows the color of the light-colored paint layer F.
This embodiment is through setting up the thin and thin AG membrane 50 of one deck on above-mentioned touch panel to the place that corresponds with AG membrane 50 light leakage region M coats one deck light color dope layer F, can also be the light color system with the frame self-defining of product when guaranteeing the light leakage of electronic ink screen, has satisfied specific user to the light color system demand of product outward appearance.
In the present embodiment, the light color coating layer F may be a white coating layer, a beige coating layer, a light yellow coating layer, a light gray coating layer, or the like, and the light color coating layer F is a light color coating relative to the dark color coating layer. The light-colored paint can be adaptively selected according to the appearance color of the frame of the electronic ink screen.
In the embodiment, the first dark color coating layer C is coated on the light leakage area M of the first optical adhesive layer a, so that the reflection and transmission of light can be greatly attenuated; and coating a second dark color coating layer D on the side surfaces of the glass touch panel 10, the touch sensing layer 20, the light guide plate 30 and the ink display screen 40, wherein the second dark color coating layer D can prevent the side light leakage.
As shown in fig. 2, the light leakage region M is close to the outer periphery of the glass touch panel 10, and generally, since the electronic ink screen is mostly in a quadrilateral structure, the light leakage region M is generally present at each side of the electronic ink screen, and therefore, when the first dark paint layer C is disposed, the first dark paint layer C is preferably annularly arranged along the circumferential direction to partially absorb the light transmitted by the glass touch panel 10. Of course, when the electronic ink screen is of a non-quadrilateral structure, the first dark paint layer C is also preferably annularly arranged along the axis to attenuate the reflection and propagation of light to the maximum extent.
The principle of the light leakage prevention is as follows: lie in that black coating can weaken the reflection intensity of light greatly, the light that reflects to first dark dope layer C department can begin to weaken gradually in glass touch panel 10, and first dark dope layer C sets up the region more big, and the weakening effect to light is stronger. Simultaneously, this embodiment still sets up second dark dope layer D in the periphery of electronic ink screen to use dark coating to absorb light, prevent to survey the condition of light leak and take place.
Wherein, the first dark color paint layer C or the second dark color paint layer D preferably adopts a black paint layer to attenuate reflection and propagation of light more greatly.
Of course, in the practical application process, the first dark color coating layer C or the second dark color coating layer D may also adopt other dark color biased coatings such as an ink blue coating.
Further, the black coating layer may be preferably an ink layer, the ink source is wide, the price is low, and the reflection and propagation of light below the glass touch panel 10 can be greatly reduced.
Since the larger the paint region of the first dark paint layer C is, the stronger the weakening effect of light is, in order to attenuate the propagation and reflection of light to a greater extent, in the present embodiment, the first dark paint layer C is preferably disposed to extend from the light leakage region M to the outer edge of the glass touch panel 10.
Further, a second optical adhesive layer B is disposed between the light guide plate 30 and the ink display screen 40.
In this embodiment, the glass touch panel 10 is made of etched glass. The etched glass can ensure the surface strength and the pasting effect and can ensure that the screen has better display effect.
This embodiment still includes a casing E, casing E parcel AG membrane 50 glass touch panel 10 touch-control inductive layer 20 the light guide plate 30 and ink display screen 40 sets up all around, thereby will AG membrane 50 glass touch panel 10 touch-control inductive layer 20 light guide plate 30 and ink display screen 40 wraps up all around, plays the guard action, also conveniently grips when specifically using etc.
The electronic ink screen solves the problem of light leakage of electronic ink screen products, greatly increases the visual experience of a user on the screen, and simultaneously enhances the protection effect on eyes; on the premise of solving the problem of light leakage, the method ensures the etching glass material of the touch panel, so that the electronic screen has better display effect; according to the application, the first dark color coating layer is coated on the light leakage area of the first optical adhesive layer, so that the reflection and the transmission of weak light can be greatly attenuated; coating a second deep color coating layer on the side surfaces of the glass touch panel, the touch sensing layer, the light guide plate and the ink display screen, wherein the second deep color coating layer can prevent the occurrence of side light leakage; this application is through setting up the thin and thin AG membrane of one deck on above-mentioned touch panel to at the place coating one deck light color coating that corresponds with AG membrane light leakage area, can also be the light color system with the frame self-definition of product when guaranteeing the electronic ink screen light leak, satisfied specific user and to the light color demand of being product appearance.
In the description of the present application, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact of the first and second features, or may comprise contact of the first and second features not directly but through another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The above embodiments are merely to illustrate the technical solutions of the present application and are not limitative, and the present application is described in detail with reference to preferred embodiments. It will be understood by those skilled in the art that various modifications and equivalent arrangements may be made in the present invention without departing from the spirit and scope of the present invention and shall be covered by the appended claims.
Claims (10)
1. An electronic ink screen for preventing light leakage, comprising: the glass touch panel, the touch induction layer, the light guide plate and the ink display screen are sequentially arranged from the outside to the inside, a first optical adhesive layer is arranged between the glass touch panel and the touch induction layer, a light leakage area of the first optical adhesive layer is coated with a first dark color coating layer, a second dark color coating layer is further arranged on the side faces of the glass touch panel, the touch induction layer, the light guide plate and the ink display screen, and the second dark color coating layer is arranged from the outside to the inside.
2. The electronic ink screen of claim 1, wherein a second optical adhesive layer is further disposed between the light guide plate and the ink display screen.
3. The light leakage prevention electronic ink screen according to claim 1 or 2, further comprising an AG film covering a surface of the glass touch panel.
4. The light-leakage-preventing electronic ink screen according to claim 3, wherein a third optical adhesive layer is further disposed between the AG film and the glass touch panel.
5. The electronic ink screen for preventing light leakage of claim 4, wherein the light leakage area of the third optical adhesive layer is further coated with a light color paint layer.
6. The light leak resistant electronic ink screen of claim 1, wherein the first/second dark paint layer comprises a black paint layer.
7. The light leak prevention electronic ink screen of claim 6, wherein the black coating layer comprises an ink layer.
8. The electronic ink screen of claim 1, 2, 6 or 7, wherein the first dark paint layer is disposed on an outer edge of the glass touch panel from the light leakage region.
9. The electronic ink screen of claim 1, 2, 6 or 7, wherein the glass touch panel is made of etched glass.
10. The light leak preventing electronic ink screen of claim 1, further comprising a casing, wherein the casing wraps the glass touch panel, the touch sensing layer, the light guide plate and the ink display screen.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011086186.9A CN112130394A (en) | 2020-10-12 | 2020-10-12 | Light leakage prevention electronic ink screen |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011086186.9A CN112130394A (en) | 2020-10-12 | 2020-10-12 | Light leakage prevention electronic ink screen |
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| CN112130394A true CN112130394A (en) | 2020-12-25 |
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| CN210442606U (en) * | 2019-08-14 | 2020-05-01 | 深圳市恒久瑞电子科技有限公司 | Light-tight ink screen electronic book with front light function |
| CN213149435U (en) * | 2020-10-12 | 2021-05-07 | 上海墨案智能科技有限公司 | Light leakage prevention electronic ink screen |
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