CN111211149A - Display screen and display device - Google Patents
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- CN111211149A CN111211149A CN202010017971.2A CN202010017971A CN111211149A CN 111211149 A CN111211149 A CN 111211149A CN 202010017971 A CN202010017971 A CN 202010017971A CN 111211149 A CN111211149 A CN 111211149A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/128—Active-matrix OLED [AMOLED] displays comprising two independent displays, e.g. for emitting information from two major sides of the display
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/13—Active-matrix OLED [AMOLED] displays comprising photosensors that control luminance
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- Electroluminescent Light Sources (AREA)
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Abstract
The invention provides a display screen and a display device. The display screen comprises a first display panel and a second display panel, and the first display panel and the second display panel are arranged in an overlapped mode. The first display panel is provided with a brightness sensor and used for acquiring the brightness of the first display panel corresponding to the brightness sensor. The second display panel is provided with a pixel compensation switch which is electrically connected with the corresponding brightness sensor, when the brightness acquired by the brightness sensor reaches a set threshold value, the pixel compensation switch is turned on, and the second display panel emits light corresponding to the position of the pixel compensation switch.
Description
Technical Field
The invention relates to the field of display, in particular to a display screen and a display device.
Background
OLED (Organic Light-Emitting Diode) Display is a mainstream Display product in the market at present because of its advantages of flexibility, self-luminescence, wide viewing angle, etc., and is known as a Display technology having the most potential development after LCD (liquid crystal Display). The OLED light-emitting device adopts a sandwich structure, when current is introduced into two ends of the OLED light-emitting device, electrons and holes are injected into the organic light-emitting layer, and different organic light-emitting materials emit light with different colors under the excitation of excitons, so that the OLED light-emitting device is applied to various display products.
After decades of efforts, the OLED screen is gradually applied to a high-end machine type in the field of mobile phones at present, the pixel and picture quality are greatly improved, in order to further meet the visual requirements of people, the brightness uniformity of the panel becomes an important index for judging the quality of the screen, especially, the brightness of the screen is self-regulated according to the intensity of external light, and the performance of the brightness uniformity of the whole panel is critical, the brightness uniformity of the panel is related to the thickness uniformity of a film, so that higher requirements are provided for an evaporation process, the thickness uniformity of the evaporation film directly influences the brightness uniformity of a product, however, the thickness uniformity of all the film layers is difficult to realize by the current evaporation technology, and the brightness of the OLED screen is not uniform under a strong light environment.
Disclosure of Invention
The invention aims to provide a display screen and a display device, and aims to solve the problems of uneven brightness of an OLED screen and the like in the prior art.
In order to achieve the above object, the present invention provides a display screen, where the display screen includes a first display panel and a second display panel, and the first display panel and the second display panel are stacked. The first display panel is provided with a first light-emitting surface, the second display panel is provided with a second light-emitting surface, the first light-emitting surface faces away from the second display panel, and the second light-emitting surface faces towards the first display panel.
The first display panel is provided with a brightness sensor and used for acquiring the brightness of the first display panel corresponding to the brightness sensor.
The second display panel is provided with a pixel compensation switch which is electrically connected with the corresponding brightness sensor, when the brightness acquired by the brightness sensor reaches a set threshold value, the pixel compensation switch is turned on, and the second display panel emits light corresponding to the position of the pixel compensation switch.
Furthermore, the first display panel has a plurality of first pixel units, the second display panel has a plurality of second pixel units, and the first pixel units and the second pixel units are in one-to-one correspondence. A luminance sensor corresponds to at least one first pixel unit, and a pixel compensation switch corresponds to at least one second pixel unit.
Furthermore, the second display panel further has a third light emitting surface facing away from the second light emitting surface. And when the second light-emitting surface does not emit light, the third light-emitting surface emits light.
Furthermore, the display screen also comprises a first reflecting layer and an antireflection film. The first reflective layer is disposed between the first display panel and the second display panel. The antireflection film is arranged between the first reflecting layer and the first display panel.
Further, the display screen further comprises a second reflecting layer and a connecting piece. The second reflective layer is disposed between the first reflective layer and the second display panel. The connecting piece is arranged on the same side of the first reflecting layer and the second reflecting layer and is connected with the first reflecting layer and the second reflecting layer.
Further, the display screen further comprises an adhesive layer arranged between the second display panel and the first reflective layer or between the second display panel and the second reflective layer.
Further, the first display panel includes a first base layer, a first light emitting layer, a first electrode layer, and a first encapsulation layer. The first base layer is arranged on the first reflecting layer. The first light-emitting layer is arranged on one surface of the first base layer far away from the first reflecting layer. The first electrode layer is arranged on one surface of the first light-emitting layer far away from the first base layer. The first packaging layer is arranged on one surface of the first electrode layer far away from the first electrode layer. The brightness sensor is arranged between the first electrode layer and the first packaging layer.
Further, the second display panel includes a second base layer, a second light emitting layer, a second electrode layer, and a second encapsulation layer. The second base layer is arranged on one side, far away from the first reflecting layer, of the second display panel. The second light-emitting layer is arranged on one surface of the second base layer close to the first reflecting layer. The second electrode layer is arranged on one surface of the second light-emitting layer far away from the first base layer. The second packaging layer is arranged on one surface of the second electrode layer far away from the first electrode layer. Wherein the compensation pixel switch is disposed in the second light emitting layer.
Further, the material of the adhesive layer includes a transparent organic material.
The invention also provides a display device which comprises the display screen.
The invention has the advantages that: according to the display screen and the display device, the two display panels capable of independently emitting light are arranged, wherein the light-emitting brightness of the second display panel can be adjusted according to the light-emitting brightness of the first light-emitting panel, so that the display screen and the display device can keep the uniformity of the display brightness in various environments. In addition, the display screen and the display device can further realize folding screen display.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view showing a layered structure of a display panel in example 1 of the present invention;
FIG. 2 is a schematic view of a layer structure of a display panel according to embodiment 2 of the present invention when folded;
FIG. 3 is a schematic view of a layered structure of a display panel according to embodiment 2 of the present invention when the display panel is unfolded;
fig. 4 is a schematic view showing connection of devices in the display panel in embodiment 1-2 of the present invention.
The components in the figures are represented as follows:
a display screen 100;
a first display panel 10; a first base layer 11;
a first light-emitting layer 12; a first electrode layer 13;
a luminance sensor 14; a first encapsulation layer 15;
a first light-emitting surface 16;
a second display panel 20; a second base layer 21;
a pixel compensation switch 22; a second light-emitting layer 23;
a second electrode layer 24; a second encapsulation layer 25;
a second light-emitting surface 26; a third light exit surface 27;
an antireflection film 30; a first reflective layer 40;
a second reflective layer 50; an adhesive layer 60;
a connecting member 70.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, which are included to demonstrate that the invention can be practiced, and to provide those skilled in the art with a complete description of the invention so that the technical content thereof will be more clear and readily understood. The present invention may be embodied in many different forms of embodiments and should not be construed as limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Furthermore, the following description of the various embodiments of the invention refers to the accompanying drawings that illustrate specific embodiments of the invention, by which the invention may be practiced. Directional phrases used in this disclosure, such as, for example, "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the appended drawings and are, therefore, used herein for better and clearer illustration and understanding of the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
When certain components are described as being "on" another component, the components can be directly on the other component; there may also be an intermediate member disposed on the intermediate member and the intermediate member disposed on the other member. When an element is referred to as being "mounted to" or "connected to" another element, they may be directly "mounted to" or "connected to" the other element or indirectly "mounted to" or "connected to" the other element through an intermediate element.
Example 1
The embodiment of the present invention provides a display screen 100, as shown in fig. 1, the display screen 100 includes a first display panel 10 and a second display panel 20, and the first display panel 10 and the second display panel 20 are disposed in an overlapping manner. The first display panel 10 has a first light emitting surface 16, the second display panel 20 has a second light emitting surface 26, the first light emitting surface 16 faces away from the second display panel 20, and the second light emitting surface 26 faces toward the first display panel 10.
The first display panel 10 includes a first substrate 11, a first light emitting layer 12, a first electrode layer 13 and a first encapsulation layer 15. The first light emitting layer 12 is disposed on a surface of the first base layer 11, and the first light emitting layer 12 is an organic electroluminescent device, which does not need a backlight source and emits light from the first light emitting surface 16 by self-luminescence, thereby displaying a picture. The first electrode layer 13 is disposed on a surface of the first light emitting layer 12 away from the first base layer 11, and is a transparent electrode for providing electric energy to the first light emitting layer 12. The first packaging layer 15 is arranged on the surface, far away from the first light-emitting layer 12, of the first base layer 11, is prepared through a film packaging technology, and due to the interlayer design of inorganic materials and organic materials, the toughness of the device can be guaranteed while the device is prevented from being corroded by water vapor invasion, the device is prevented from being broken, and the service life of the device is prolonged.
In the first display panel 10, there are a plurality of first pixel units, each of the first pixel units has a red sub-pixel (R), a green sub-pixel (G) and a blue sub-pixel (B), the first light emitting layer 12 is formed by uniformly arranging a plurality of first pixel units, and the red sub-pixel, the green sub-pixel and the blue sub-pixel in each of the first pixel units are combined to realize the display of a color picture.
Also in the first display panel 10 there are several brightness sensors 14, which are arranged between said first electrode layer 13 and said first encapsulation layer 15. The brightness sensors 14 are uniformly arranged in the first display panel 10, and each brightness sensor 14 corresponds to a first pixel unit. The brightness sensor 14 is used for monitoring the brightness of the first pixel unit which acquires the corresponding position.
The second display panel 20 includes a second base layer 21, a second light emitting layer 23, a second electrode layer 24 and a second packaging layer 25. The second light emitting layer 23 is disposed on a surface of the second base layer 21, the second light emitting layer 23 is an organic electroluminescent device, and has a self-luminous property, and light of the second light emitting layer 23 is emitted from the second light emitting surface 26 and enters the first display panel 10 to compensate brightness of the first display panel 10. The second electrode layer 24 is disposed on a surface of the second light emitting layer 23 away from the second base layer 21, and is a transparent electrode for providing electrical energy to the second light emitting layer 23. The second packaging layer 25 is arranged on the surface of the second base layer 21 far away from the second light-emitting layer 23, the second base layer is prepared by a thin film packaging technology, and the toughness of the second base layer can be ensured while the device is prevented from being corroded by water vapor due to the interlayer design of inorganic materials and organic materials, so that the device is prevented from being broken, and the service life of the device is prolonged.
In the second display panel 20, there are a plurality of second pixel units, each of which also has a red sub-pixel (R), a green sub-pixel (G) and a blue sub-pixel (B), the second light-emitting layer 23 is formed by uniformly arranging a plurality of second pixel units, and each of the second pixel units corresponds to a first pixel unit. A plurality of pixel compensation switches 22 are disposed in the second light emitting layer 23, the pixel compensation switches 22 are uniformly distributed in the second light emitting layer 23, and each pixel compensation switch 22 corresponds to a second pixel unit. As shown in fig. 4, the pixel compensation switch 22 is electrically connected to the corresponding position of the luminance sensor 14. When the brightness of the first pixel unit at the corresponding position obtained by the brightness sensor 14 reaches the set threshold, the brightness sensor 14 transmits a signal to the pixel compensation switch 22 at the corresponding position, the pixel compensation switch 22 is turned on according to the signal, and the second pixel unit at the position corresponding to the pixel compensation switch 22 of the second display panel 20 emits light, so as to compensate the brightness of the first pixel unit with insufficient brightness at the corresponding position in the first display panel 10, and further make the display brightness of the whole display screen 100 consistent.
A first reflective layer 40 is further disposed between the first display panel 10 and the second display panel 20, and is used for reflecting light rays in the first display panel 10 and preventing the light rays in the first display panel from leaking and being wasted. A surface of the first reflective layer 40 facing the first display panel 10 is provided with an antireflection film 30, and the antireflection film 30 is used to help light in the second display panel 20 to pass through the first reflective layer 40, so as to realize brightness compensation of the second display panel 20 on the first display panel 10.
The display screen 100 further includes an adhesive layer 60 disposed between the second display panel 20 and the first reflective layer 40, which is used to increase the adhesion between the second encapsulation layer 25 and the first reflective layer 40, prevent the peeling between the two layers, and improve the stability of the display screen 100. The material of the adhesive layer 60 is a transparent organic material, and the thickness of the transparent organic material ranges from 30 nm to 70 nm.
The embodiment of the present invention further provides a display device, which includes the display screen 100. The display device can be any product or part with a display function, such as a mobile phone, a tablet computer, a notebook computer and the like.
According to the display screen 100 provided by the embodiment of the invention, two display panels capable of independently emitting light are arranged, and the light-emitting position of the light-emitting brightness of the second display panel 20 is adjusted according to the uniformity of the light-emitting brightness of the first light-emitting panel 16, so that the display screen 100 and the display device can keep the uniformity of the display brightness in various environments, and the experience of a user is improved.
Example 2
The embodiment of the present invention provides a display screen 100, as shown in fig. 2, the display screen 100 includes a first display panel 10 and a second display panel 20, and the first display panel 10 and the second display panel 20 are disposed in an overlapping manner. The first display panel 10 has a first light emitting surface 16, the second display panel 20 has a second light emitting surface 26 and a third light emitting surface 27, the first light emitting surface 16 faces away from the second display panel 20, the second light emitting surface 26 faces toward the first display panel 10, and the third light emitting surface 27 faces away from the second light emitting surface 26.
There are a first reflective layer 40, a second reflective layer 50, and a connection member 70 between the first display panel 10 and the second display panel 20. The second reflective layer 50 is disposed between the first reflective layer 40 and the second display panel 20, the connecting member 70 is disposed on the same side of the first reflective layer 40 and the second reflective layer 50, and the connecting member 70 may be a device such as a hinge that can be repeatedly bent. The connector 70 allows the first display panel 10 and the second display panel 20 to be unfolded and arranged in the same layer, as shown in fig. 3, thereby realizing a folding screen display.
A surface of the first reflective layer 40 facing the first display panel 10 is provided with an antireflection film 30, and when the first display panel 10 and the second display panel 20 are stacked, as shown in fig. 2, the antireflection film 30 is used to help light in the second display panel 20 to be emitted from the second light emitting surface 26, pass through the first reflective layer 40 and the second reflective layer 50, and enter the first display panel 10, so as to implement brightness compensation of the second display panel 20 on the first display panel 10. When the first display panel 10 and the second display panel 20 are disposed on the same layer, as shown in fig. 3, since there is no antireflection film 30 in the second display panel 20, the light in the second display panel 20 cannot pass through the second reflection layer 50, and the light in the second display panel 20 is emitted from the third light emitting surface 27 thereof to form a display image, and the display image is displayed simultaneously with the first display panel 10, so as to implement a folding screen display.
The first display panel 10 includes a first substrate 11, a first light emitting layer 12, a first electrode layer 13 and a first encapsulation layer 15. The first light emitting layer 12 is disposed on a surface of the first base layer 11, and the first light emitting layer 12 is an organic electroluminescent device, which does not need a backlight source and emits light from the first light emitting surface 16 by self-luminescence, thereby displaying the picture of the first display panel 10. The first electrode layer 13 is disposed on a surface of the first light emitting layer 12 away from the first base layer 11, and is a transparent electrode for providing electric energy to the first light emitting layer 12. The first packaging layer 15 is arranged on the surface, far away from the first light-emitting layer 12, of the first base layer 11, is prepared through a film packaging technology, and due to the interlayer design of inorganic materials and organic materials, the toughness of the device can be guaranteed while the device is prevented from being corroded by water vapor invasion, the device is prevented from being broken, and the service life of the device is prolonged.
In the first display panel 10, there are a plurality of first pixel units, each of the first pixel units has a red sub-pixel (R), a green sub-pixel (G) and a blue sub-pixel (B), the first light emitting layer 12 is formed by uniformly arranging a plurality of first pixel units, and the red sub-pixel, the green sub-pixel and the blue sub-pixel in each of the first pixel units are combined to realize the display of a color picture.
Also in the first display panel 10 there are several brightness sensors 14, which are arranged between said first electrode layer 13 and said first encapsulation layer 15. The brightness sensors 14 are uniformly arranged in the first display panel 10, and each brightness sensor 14 corresponds to a first pixel unit. The brightness sensor 14 is used for monitoring the brightness of the first pixel unit which acquires the corresponding position.
The second display panel 20 includes a second base layer 21, a second light emitting layer 23, a second electrode layer 24 and a second packaging layer 25. The second light emitting layer 23 is disposed on a surface of the second base layer 21, and the second light emitting layer 23 is an organic electroluminescent device, which also has self-luminescent properties. When the first display panel 10 and the second display panel 20 are stacked, the light emitted from the second light-emitting layer 23 enters the first display panel 10 through the second light-emitting surface 26, so as to compensate the brightness of the first display panel 10. When the first display panel 10 and the second display panel 20 are disposed in the same layer, the light emitted from the second light-emitting layer 23 is reflected by the second reflective layer 50 and emitted from the third light-emitting surface 27, so that the second display panel 20 also has a display function, and a folded screen display is implemented. The second electrode layer 24 is disposed on a surface of the second light emitting layer 23 away from the second base layer 21, and is a transparent electrode for providing electrical energy to the second light emitting layer 23. The second packaging layer 25 is arranged on the surface of the second base layer 21 far away from the second light-emitting layer 23, the second base layer is prepared by a thin film packaging technology, and the toughness of the second base layer can be ensured while the device is prevented from being corroded by water vapor due to the interlayer design of inorganic materials and organic materials, so that the device is prevented from being broken, and the service life of the device is prolonged.
In the second display panel 20, there are a plurality of second pixel units, each of which also has a red sub-pixel (R), a green sub-pixel (G) and a blue sub-pixel (B), the second light-emitting layer 23 is formed by uniformly arranging a plurality of second pixel units, and each of the second pixel units corresponds to a first pixel unit. A plurality of pixel compensation switches 22 are disposed in the second light emitting layer 23, the pixel compensation switches 22 are uniformly distributed in the second light emitting layer 23, and each pixel compensation switch 22 corresponds to a second pixel unit. As shown in fig. 4, the pixel compensation switch 22 is electrically connected to the corresponding position of the luminance sensor 14. When the first display panel 10 and the second display panel 20 are stacked, and the luminance sensor 14 obtains that the luminance of the first pixel unit at the corresponding position reaches the set threshold, the luminance sensor 14 transmits a signal to the pixel compensation switch 22 at the corresponding position, the pixel compensation switch 22 is turned on according to the signal, and the second display panel 20 emits light corresponding to the second pixel unit at the position of the pixel compensation switch 22, so as to compensate the luminance for the first pixel unit with insufficient luminance at the corresponding position in the first display panel 10, and further enable the display luminance of the whole display screen 100 to be consistent.
The display screen 100 further includes an adhesive layer 60 disposed between the second display panel 20 and the second reflective layer 50, which is used to increase the adhesion between the second encapsulation layer 25 and the second reflective layer 50, prevent the second encapsulation layer and the second reflective layer from falling off, and improve the stability of the display screen 100. The material of the adhesive layer 60 is a transparent organic material, and the thickness of the transparent organic material ranges from 30 nm to 70 nm.
The embodiment of the present invention further provides a display device, which includes the display screen 100. The display device can be any product or part with a display function, such as a mobile phone, a tablet computer, a notebook computer and the like.
In the display screen 100 and the display device provided in the embodiments of the present invention, the second reflective layer 50 and the bendable connecting member 70 are disposed on the basis of embodiment 1, so that the second display panel 20 can have a display function while the display screen 100 realizes brightness compensation, thereby realizing a folded screen display.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. A display screen, comprising:
the display panel comprises a first display panel and a second display panel, wherein the first display panel and the second display panel are arranged in a superposed mode; the first display panel is provided with a first light-emitting surface, the second display panel is provided with a second light-emitting surface, the first light-emitting surface faces away from the second display panel, and the second light-emitting surface faces towards the first display panel;
the first display panel is provided with a brightness sensor and is used for acquiring the brightness of the first display panel corresponding to the brightness sensor;
the second display panel is provided with a pixel compensation switch which is electrically connected with the corresponding brightness sensor, when the brightness acquired by the brightness sensor reaches a set threshold value, the pixel compensation switch is turned on, and the second display panel emits light corresponding to the position of the pixel compensation switch.
2. The display screen of claim 1, wherein the first display panel has a plurality of first pixel units therein, the second display panel has a plurality of second pixel units therein, and the first pixel units and the second pixel units are in one-to-one correspondence; a luminance sensor corresponds to at least one first pixel unit, and a pixel compensation switch corresponds to at least one second pixel unit.
3. The display screen of claim 1, wherein the second display panel further has a third light emitting surface facing away from the second light emitting surface; and when the second light-emitting surface does not emit light, the third light-emitting surface emits light.
4. The display screen of claim 1, further comprising:
the first reflecting layer is arranged between the first display panel and the second display panel;
and the antireflection film is arranged between the first reflecting layer and the first display panel.
5. The display screen of claim 3, further comprising:
the second reflecting layer is arranged between the first reflecting layer and the second display panel;
and the connecting piece is arranged on the same side of the first reflecting layer and the second reflecting layer and is connected with the first reflecting layer and the second reflecting layer.
6. The display screen of claim 5, further comprising:
and an adhesive layer disposed between the second display panel and the first reflective layer or between the second display panel and the second reflective layer.
7. The display screen of claim 1, wherein the first display panel comprises:
the first base layer is arranged on the first reflecting layer;
the first light-emitting layer is arranged on one surface of the first base layer far away from the first reflecting layer;
the first electrode layer is arranged on one surface of the first light-emitting layer, which is far away from the first base layer;
the first packaging layer is arranged on one surface of the first electrode layer, which is far away from the first electrode layer;
the brightness sensor is arranged between the first electrode layer and the first packaging layer.
8. The display screen of claim 1, wherein the second display panel comprises:
the second base layer is arranged on one side, far away from the first reflecting layer, of the second display panel;
the second luminous layer is arranged on one surface of the second base layer close to the first reflecting layer;
the second electrode layer is arranged on one surface of the second light-emitting layer far away from the first base layer;
the second packaging layer is arranged on one surface of the second electrode layer, which is far away from the first electrode layer;
wherein the compensation pixel switch is disposed in the second light emitting layer.
9. A display screen as recited in claim 6, wherein the material of the adhesion layer comprises a transparent organic material.
10. A display device characterized by comprising a display screen according to any one of claims 1 to 9.
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| CN104700730A (en) * | 2015-03-10 | 2015-06-10 | 上海天马有机发光显示技术有限公司 | Multi-screen display device |
| CN104991349A (en) * | 2015-07-28 | 2015-10-21 | 京东方科技集团股份有限公司 | Display device and working method thereof |
| CN107564413A (en) * | 2017-07-24 | 2018-01-09 | 武汉华星光电半导体显示技术有限公司 | Collapsible display device |
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| CN109963005A (en) * | 2019-03-28 | 2019-07-02 | 努比亚技术有限公司 | A kind of double screen brightness control system, method and computer storage medium |
| CN110556408A (en) * | 2019-09-10 | 2019-12-10 | 京东方科技集团股份有限公司 | Display substrate, control method thereof and display device |
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