CN112394565A - Display device and display system - Google Patents
Display device and display system Download PDFInfo
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- CN112394565A CN112394565A CN202011223167.6A CN202011223167A CN112394565A CN 112394565 A CN112394565 A CN 112394565A CN 202011223167 A CN202011223167 A CN 202011223167A CN 112394565 A CN112394565 A CN 112394565A
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/133528—Polarisers
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
- G02F1/13363—Birefringent elements, e.g. for optical compensation
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
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- Nonlinear Science (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application discloses a display device and a display system. The display device includes: a first polarizer; the display panel is positioned on the first polaroid; and a first wave plate located on the display panel; the phase difference of the first wave plate is within a preset phase difference range, so that the peep-proof effect of the display device is effectively improved.
Description
Technical Field
The present application relates to the field of display panel technology, and in particular, to a display device and a display system.
Background
With the wide application of liquid crystal displays, various display devices are continuously available, such as mobile phones, flat panels, televisions, and the like, which are widely used in daily life, but in public places, such as when an ATM machine takes money or other places needing to protect privacy, information on a display screen is easily seen by others, and the privacy of users is revealed. Therefore, it is necessary to develop a display device for protecting privacy.
At present, all the peep-proof display devices are the same, so that only one type of glasses matched with the peep-proof display devices is provided, and therefore a user can watch the contents on all the peep-proof display devices according to one type of glasses, and the peep-proof effect of the peep-proof display devices is greatly reduced.
Disclosure of Invention
The embodiment of the application provides a display device and a display system, and aims to solve the problem that the peep-proof effect of the display device in the prior art is poor.
An embodiment of the present application provides a display device, including:
a first polarizer;
the display panel is positioned on the first polaroid; and the number of the first and second groups,
a first wave plate located on the display panel;
the phase difference of the first wave plate is within a preset phase difference range.
Further, the display device further includes a protective layer;
the protective layer is located on the first wave plate.
Further, the display panel comprises an array substrate, a liquid crystal layer and a color film substrate which are sequentially arranged;
the first wave plate is located on the color film substrate, and the first polarizer is located on one side, away from the first wave plate, of the array substrate.
Further, the preset phase difference range includes all phase differences except (2K-1) λ/4, K being a positive integer, λ being a light wavelength.
The embodiment of the application also provides a display system, which comprises the display device and a display accessory;
the display accessory includes:
an accessory body;
a second polarizer located on the accessory body; and the number of the first and second groups,
the second wave plate is positioned on the second polarizer;
and the sum of the phase differences of the second wave plate and the first wave plate in the display device is (2K-1) lambda/2, K is a positive integer, and lambda is the light wavelength.
Further, the optical axis of the first wave plate is parallel to the optical axis of the second wave plate.
Further, the optical axis of the first wave plate is perpendicular to the optical axis of the second wave plate.
Further, the absorption axis of the first polarizer in the display device is parallel to the absorption axis of the second polarizer.
Further, the absorption axis of the first polarizer in the display device is perpendicular to the absorption axis of the second polarizer.
Further, the display accessory is glasses, and the accessory body is a transparent carrier.
The beneficial effect of this application does: through setting up first polaroid, display panel and first wave plate, the phase difference of first wave plate is located predetermines the phase difference within range, makes different display device have the wave plate of different phase differences, and different display device adopts different display accessories to watch promptly, avoids designing the same display device, effectively improves display device's peep-proof effect.
Drawings
The technical solution and other advantages of the present application will become apparent from the detailed description of the embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present disclosure;
fig. 2 is a schematic structural diagram of a display system according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a display accessory in a display system according to an embodiment of the present disclosure;
FIG. 4 is a VT chart of the display system provided by the embodiment of the present application when the first waveplate and the second waveplate form 1/2 waveplates;
FIG. 5 is another VT graph of the display system provided by the embodiment of the present application, wherein the first wave plate and the second wave plate form 1/2 wave plates;
FIG. 6 is a VT chart of the display system provided by the embodiment of the present application when the first wave plate and the second wave plate form 1/4 wave plates;
fig. 7 is a VT graph of the first waveplate and the second waveplate constituting 3/4 waveplates in the display system according to the embodiment of the present application.
Detailed Description
Specific structural and functional details disclosed herein are merely representative and are provided for purposes of describing example embodiments of the present application. This application may, however, be embodied in many alternate forms and should not be construed as limited to only the embodiments set forth herein.
In the description of the present application, it is to be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed in a particular orientation, and be operated in a particular manner, and therefore should not be construed as limiting the present application. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified. Furthermore, the term "comprises" and any variations thereof is intended to cover non-exclusive inclusions.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. 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.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
The present application is further described below with reference to the accompanying drawings and examples.
As shown in fig. 1, an embodiment of the present application provides a display device including a first polarizer 1, a display panel 2, and a first wave plate 3. The display panel 2 is located on the first polarizer 1, and the first wave plate 3 is located on the display panel 2, that is, the first wave plate 3 is located on a side of the display panel 2 departing from the first polarizer 1.
The display panel 2 may be a liquid crystal display panel, and the display panel 2 includes an array substrate 21, a liquid crystal layer 22, and a color film substrate 23. The array substrate 21 is located on the first polarizer 1, the liquid crystal layer 22 is located on one side of the array substrate 21 departing from the first polarizer 1, the color film substrate 23 is located on one side of the liquid crystal layer 22 departing from the array substrate 21, and the first wave plate 3 is located on one side of the color film substrate 23 departing from the liquid crystal layer 22.
The phase difference of the first wave plate 3 is within a preset phase difference range, the preset phase difference range comprises all other phase differences after removing the common phase difference, the common phase difference is (2K-1) lambda/4, therefore, the preset phase difference range can comprise all phase differences except (2K-1) lambda/4, K is a positive integer, and lambda is the optical wavelength. That is, the first wave plate 3 may be a wave plate other than the 1/4 wave plate, such as a 1/8 wave plate, a 3/8 wave plate, or the like. The material of the first wave plate 3 may include cop (cyclic polyolefin) or TAC (Triacetyl Cellulose), and the like.
The light source can be arranged on one side of the first polarizer 1 departing from the display panel 2, light of the light source is polarized into linearly polarized light through the first polarizer 1, and the linearly polarized light is emitted after penetrating through the display panel 2 and forms circularly polarized light through the first wave plate 3. Because there is no other polarizer corresponding to the first polarizer 1 and no other wave plate corresponding to the first wave plate 3, the user can only see the disordered image on the display device with naked eyes, and cannot see the normal picture, thereby achieving the purpose of peeping prevention.
The first wave plate 3 in the display device may be a wave plate with different phase differences, so as to form different display devices, that is, different display devices may be provided with different wave plates, for example, the wave plate in one display device is an 1/8 wave plate, and the wave plate in another display device is a 3/8 wave plate, so that each display device can only adopt its corresponding display accessory for viewing, and the display accessories corresponding to each other cannot be used in a mixed manner, thereby effectively improving the peep-proof effect.
Further, the display device further comprises a protective layer 4, and the protective layer 4 is located on the first wave plate 3, that is, the protective layer 4 is located on a side of the first wave plate 3 facing away from the display panel 2.
Because the thickness of the first wave plate 3 is only dozens of microns generally, the first wave plate is easily damaged by the external environment or hard objects, the surface treatment can be carried out on the first wave plate 3 or the protective layer 4 is attached to the first wave plate, and the hardness and the scratch resistance are improved.
In summary, the first polarizer, the display panel and the first wave plate are arranged, the phase difference of the first wave plate is within the preset phase difference range, so that different display devices have wave plates with different phase differences, namely, different display devices adopt different display accessories to watch, the same display device is prevented from being designed, and the peep-proof effect of the display device is effectively improved.
As shown in fig. 2, an embodiment of the present application provides a display system, which includes a display device 10 and a display accessory 20, where the display device 10 is the display device in the foregoing embodiment and is not described in detail herein. The display component 20 is a component that is custom-manufactured according to the display device 10, and different display devices 10 correspond to different display components 20. The display accessory 20 may be glasses or other devices that may be used by a user to view content displayed on the display device 10.
As shown in fig. 3, the display accessory 20 includes an accessory body 5, a second polarizer 6, and a second wave plate 7. The fitting body 5 may be a transparent carrier, such as a glasses body. The second polarizer 6 is located on the accessory body 5, and when the display accessory 20 is glasses, the second polarizer 6 is located on the glasses, and the second polarizer 6 is located on the outer side of the glasses, namely, the side facing away from the user to wear. The second wave plate 7 is located on the second polarizer 6, i.e. the second wave plate 7 is located on a side of the second polarizer 6 facing away from the accessory body 5.
The sum of the phase difference of the second wave plate 7 and the phase difference of the matched first wave plate 3 is (2K-1) lambda/2, K is a positive integer, and lambda is the optical wavelength. For example, the phase difference of the first wave plate 3 is (2K-1) λ/8, and the phase difference of the second wave plate 7 is 3(2K-1) λ/8, i.e. the first wave plate 3 can be 1/8 wave plate, and the second wave plate 7 can be 3/8 wave plate; the phase difference of the first wave plate 3 is 3(2K-1) lambda/8, and the phase difference of the second wave plate 7 is (2K-1) lambda/8, i.e. the first wave plate 3 can be 3/8 wave plate, and the second wave plate 7 can be 1/8 wave plate.
In addition, when the display accessory 20 is parallel to the display device 10, and the surface of the second wavelength 7 on the side away from the second polarizer 6 is parallel to the surface of the first wave plate 3 on the side away from the first polarizer 1, the optical axis of the first wave plate 3 is parallel to or perpendicular to the optical axis of the matched second wave plate 7, and the absorption axis of the first polarizer 1 is parallel to or perpendicular to the absorption axis of the matched second polarizer 6.
After the user uses the display accessory, the circularly polarized light emitted by the display device 10 passes through the second wave plate 7 matched with the first wave plate 3 to obtain corresponding linearly polarized light, and then passes through the second polarizer 6 matched with the first polarizer 1, so that the linearly polarized light disappears, and the user can view the normal display picture of the display device 10 matched with the user through the display accessory 20.
For example, if the first wave plate 3 is an 1/8 wave plate, the optical axis is 45 degrees, the absorption axis of the first polarizer 1 is 90 degrees, the second wave plate 7 is an 3/8 wave plate, the optical axis is 45 degrees, and the absorption axis of the second polarizer 6 is 90 degrees, that is, the first wave plate 3 and the second wave plate 7 can form a 1/2 wave plate, the optical axis of the first wave plate 3 is parallel to the optical axis of the second wave plate 3, and the absorption axis of the first polarizer 1 is parallel to the absorption axis of the second polarizer 6, then a voltage-transmittance relationship curve (VT curve) used by the display device 10 using the first wave plate 3 and the first polarizer 1 and the display accessory 20 using the second wave plate 7 and the second polarizer 6 is shown in fig. 4, and a user can view a normal display image of the display device 10 through the display accessory 20.
For example, if the first wave plate 3 is an 3/8 wave plate, the optical axis is 45 degrees, the absorption axis of the first polarizer 1 is 90 degrees, the second wave plate 7 is an 1/8 wave plate, the optical axis is 45 degrees, and the absorption axis of the second polarizer 6 is 90 degrees, that is, the first wave plate 3 and the second wave plate 7 can form a 1/2 wave plate, the optical axis of the first wave plate 3 is parallel to the optical axis of the second wave plate 3, and the absorption axis of the first polarizer 1 is parallel to the absorption axis of the second polarizer 6, after the display device 10 using the first wave plate 3 and the first polarizer 1 is used in cooperation with the display accessory 20 using the second wave plate 7 and the second polarizer 6, the voltage-transmittance relationship curve (VT curve) is shown in fig. 5, and a user can view a normal display image of the display device 10 through the display accessory 20.
For example, if the first wave plate 3 is an 1/8 wave plate, the optical axis is 45 degrees, the absorption axis of the first polarizer 1 is 90 degrees, the second wave plate 7 is an 1/8 wave plate, the optical axis is 45 degrees, and the absorption axis of the second polarizer 6 is 90 degrees, that is, the first wave plate 3 and the second wave plate 7 can form a 1/4 wave plate, the optical axis of the first wave plate 3 is parallel to the optical axis of the second wave plate 3, and the absorption axis of the first polarizer 1 is parallel to the absorption axis of the second polarizer 6, after the display device 10 using the first wave plate 3 and the first polarizer 1 is used in cooperation with the display accessory 20 using the second wave plate 7 and the second polarizer 6, the voltage-transmittance relationship curve (VT curve) is as shown in fig. 6, and a user cannot view a normal display image of the display device 10 through the display accessory 20.
For example, if the first wave plate 3 is an 3/8 wave plate, the optical axis is 45 degrees, the absorption axis of the first polarizer 1 is 90 degrees, the second wave plate 7 is an 3/8 wave plate, the optical axis is 45 degrees, and the absorption axis of the second polarizer 6 is 90 degrees, that is, the first wave plate 3 and the second wave plate 7 can form a 3/4 wave plate, the optical axis of the first wave plate 3 is parallel to the optical axis of the second wave plate 3, and the absorption axis of the first polarizer 1 is parallel to the absorption axis of the second polarizer 6, after the display device 10 using the first wave plate 3 and the first polarizer 1 is used in cooperation with the display accessory 20 using the second wave plate 7 and the second polarizer 6, the voltage-transmittance relationship curve (VT curve) is shown in fig. 7, and a user cannot view a normal display image of the display device 10 through the display accessory 20.
Therefore, the first waveplate 3 and the second waveplate 7 constitute a (2K-1) λ/2 waveplate, and the normal display screen of the display device 10 can be viewed through the display assembly 20; the first waveplate 3 and the second waveplate 7 do not constitute a (2K-1) λ/2 waveplate, and the normal display screen of the display device 10 cannot be viewed through the display assembly 20.
In addition, when the first wave plate 3 and the second wave plate 7 form a (2K-1) λ/2 wave plate, the absorption axis of the first polarizer 1 and the absorption axis of the second polarizer 6 may be parallel to each other, both being 0 degree, and the optical axis of the first wave plate 3 and the optical axis of the second wave plate 7 are parallel to each other, both being 45 degrees; the absorption axis of the first polarizer 1 and the absorption axis of the second polarizer 6 may be parallel and are both 90 degrees, and the optical axis of the first wave plate 3 and the optical axis of the second wave plate 7 are both 135 degrees; the absorption axis of the first polarizer 1 and the absorption axis of the second polarizer 6 may be parallel to each other and are both 0 degree, the optical axis of the first wave plate 3 and the optical axis of the second wave plate 7 are parallel to each other and are both 135 degree, and the normal display picture of the display device 10 can be viewed through the display accessory 20.
To improve contrast, the optical axis of the first wave plate 3 and the optical axis of the second wave plate 7 may be perpendicular. When the first wave plate 3 and the second wave plate 7 form a (2K-1) λ/2 wave plate, the absorption axis of the first polarizer 1 and the absorption axis of the second polarizer 6 may be perpendicular, that is, the absorption axis of the first polarizer 1 is 90 degrees, the absorption axis of the second polarizer 6 is 0 degrees, the optical axis of the first wave plate 3 and the optical axis of the second wave plate 7 are perpendicular, that is, the optical axis of the first wave plate 3 is 45 degrees, and the optical axis of the second wave plate 7 is 135 degrees; the absorption axis of the first polarizer 1 and the absorption axis of the second polarizer 6 may be perpendicular, that is, the absorption axis of the first polarizer 1 is 0 degree, the absorption axis of the second polarizer 6 is 90 degrees, the optical axis of the first wave plate 3 is perpendicular to the optical axis of the second wave plate 7, that is, the optical axis of the first wave plate 3 is 45 degrees, and the optical axis of the second wave plate 7 is 135 degrees; the absorption axis of the first polarizer 1 and the absorption axis of the second polarizer 6 may be perpendicular, that is, the absorption axis of the first polarizer 1 is 90 degrees, the absorption axis of the second polarizer 6 is 0 degrees, and the optical axis of the first wave plate 3 is perpendicular to the optical axis of the second wave plate 7, that is, the optical axis of the first wave plate 3 is 135 degrees, and the optical axis of the second wave plate 7 is 45 degrees; the absorption axis of the first polarizer 1 and the absorption axis of the second polarizer 6 may be perpendicular to each other, that is, the absorption axis of the first polarizer 1 is 0 degree, the absorption axis of the second polarizer 6 is 90 degrees, the optical axis of the first wave plate 3 is perpendicular to the optical axis of the second wave plate 7, that is, the optical axis of the first wave plate 3 is 135 degrees, and the optical axis of the second wave plate 7 is 45 degrees, so that the normal display image of the display device 10 can be viewed through the display accessory 20.
To sum up, this application embodiment can be through setting up first polaroid, display panel and first wave plate, and the phase difference of first wave plate is located predetermines the phase difference within range, makes different display device have the wave plate of different phase differences, and different display device adopts different display accessories to watch promptly, realizes customizable production, avoids designing the same display device, effectively improves display device's peep-proof effect.
In summary, although the present application has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present application, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present application, so that the scope of the present application shall be determined by the appended claims.
Claims (10)
1. A display device, comprising:
a first polarizer;
the display panel is positioned on the first polaroid; and the number of the first and second groups,
a first wave plate located on the display panel;
the phase difference of the first wave plate is within a preset phase difference range.
2. The display device of claim 1, further comprising a protective layer;
the protective layer is located on the first wave plate.
3. The display device according to claim 1, wherein the display panel comprises an array substrate, a liquid crystal layer and a color film substrate which are arranged in sequence;
the first wave plate is located on the color film substrate, and the first polarizer is located on one side, away from the first wave plate, of the array substrate.
4. The display device according to claim 1, wherein the preset phase difference range includes all phase differences except (2K-1) λ/4, K being a positive integer, λ being a light wavelength.
5. A display system comprising the display device according to any one of claims 1 to 4 and a display accessory;
the display accessory includes:
an accessory body;
a second polarizer located on the accessory body; and the number of the first and second groups,
the second wave plate is positioned on the second polarizer;
and the sum of the phase differences of the second wave plate and the first wave plate in the display device is (2K-1) lambda/2, K is a positive integer, and lambda is the light wavelength.
6. The display system of claim 5, wherein an optical axis of the first wave plate is parallel to an optical axis of the second wave plate.
7. The display system of claim 5, wherein an optical axis of the first wave plate is perpendicular to an optical axis of the second wave plate.
8. The display system of claim 5, wherein an absorption axis of the first polarizer in the display device is parallel to an absorption axis of the second polarizer.
9. The display system of claim 5, wherein an absorption axis of the first polarizer in the display device is perpendicular to an absorption axis of the second polarizer.
10. The display system of claim 5, wherein the display accessory is eyeglasses and the accessory body is a transparent carrier.
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| CN202011223167.6A CN112394565B (en) | 2020-11-05 | 2020-11-05 | Display device and display system |
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| CN114973955A (en) * | 2022-05-31 | 2022-08-30 | Tcl华星光电技术有限公司 | Display panel and display system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114973955A (en) * | 2022-05-31 | 2022-08-30 | Tcl华星光电技术有限公司 | Display panel and display system |
| WO2023231160A1 (en) * | 2022-05-31 | 2023-12-07 | Tcl华星光电技术有限公司 | Display panel and display system |
| US20240210761A1 (en) * | 2022-05-31 | 2024-06-27 | Tcl China Star Optoelectronics Technology Co., Ltd. | Display panel and display system |
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| Publication number | Publication date |
|---|---|
| CN112394565B (en) | 2023-07-25 |
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