CN115394190A - Display device - Google Patents
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- CN115394190A CN115394190A CN202210979349.9A CN202210979349A CN115394190A CN 115394190 A CN115394190 A CN 115394190A CN 202210979349 A CN202210979349 A CN 202210979349A CN 115394190 A CN115394190 A CN 115394190A
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- display device
- supporting block
- supporting
- hinge structure
- display panel
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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
- G09F9/301—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 flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
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- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The invention provides a display device, comprising a flexible display panel and a folding component; the flexible display panel comprises a bending part; the folding component comprises a hinge structure corresponding to the bending part, and the hinge structure comprises a supporting part; according to the invention, the support part is arranged in the hinge structure of the folding component, when the display device is in a bending state, the support part is separated from the bending part of the display device, so that a space is provided for the bending part, the bending part can be bent according to a preset track, and the collision with the bending part is avoided; when display device is in the exhibition flat state, supporting part and kink butt give an ascending holding power of kink, not only can prevent flexible display panel because the crease that the viscidity of gluing material nature of flowing leads to, can also slow down display device and relapse the folding crease that makes the kink take place deformation to lead to downwards to reach the effect of improving the crease, be favorable to improving display device's display effect and life.
Description
Technical Field
The invention relates to the technical field of display, in particular to a display device.
Background
The foldable display device has a problem that the fold is difficult to improve, as shown in fig. 1a, the foldable display device is a schematic diagram of the display device in a flat state in the prior art, and in the flat state, a bent portion of the display device is recessed downward, which affects visual display and also affects the service life of the display device.
In order to improve the problem of folding, the bending portion of the current display device adopts a drop-shaped folding form or a U-shaped folding form. As shown in fig. 1b and fig. 1c, which are a first schematic diagram of a display device in a bent state and a second schematic diagram of the display device in a bent state in the prior art, respectively, compared with other folded configurations, in the case of the same thickness, the width of the bent portion can be increased by adopting a droplet-shaped folded configuration (as shown in fig. 1 b), so that the actual bending radius is increased, and thus, the stress of the bent portion is reduced, and the crease is improved. The defect of the water drop-shaped folding form is that more space is occupied, and other components (such as a rotating shaft and a battery) need to compress the space to avoid the bending part. The U-shaped folding configuration (fig. 1 c) is achieved by using a larger bending radius, thereby reducing the stress at the bending part and improving the crease. The U-shaped folded configuration has the disadvantage of being thicker and more cumbersome after folding, and thus not portable. Therefore, it is necessary to improve this defect.
Disclosure of Invention
The embodiment of the invention provides a display device, which is used for solving the technical problem that creases of the display device in the prior art are difficult to improve.
The embodiment of the invention provides a display device, which comprises a flexible display panel and a folding component; the flexible display panel comprises a bending part; the folding component is positioned on one side far away from the light emitting surface of the flexible display panel, the folding component comprises a hinge structure corresponding to the bending part, and the hinge structure comprises a supporting part; when the display device is in a bent state, the supporting part and the bent part are arranged separately; when the display device is in a flat state, the supporting part is abutted to the bending part.
In the display device provided by the embodiment of the invention, the hinge structure comprises a base, a rotating shaft and a rotating cam; the rotating shaft is rotatably connected with the base; the rotating cam is rotationally connected with the rotating shaft; when the display device is in a bent state, one end of the rotating cam, which is far away from the rotating shaft, is separated from the supporting part; when the display device is in a flattening state, one end of the rotating cam, which is far away from the rotating shaft, is abutted to one side, which is far away from the flexible display panel, of the supporting part.
In the display device provided by the embodiment of the invention, the hinge structure comprises a limiting spring, wherein the first end of the limiting spring is fixedly connected with the base, and the second end of the limiting spring is fixedly connected with the supporting part.
In the display device provided by the embodiment of the invention, one side of the base, which is close to the flexible display panel, is provided with a first groove; when the display device is in a bent state, the supporting part is positioned in the first groove; when the display device is in a flattening state, the supporting part is positioned outside the first groove.
In the display device provided by the embodiment of the invention, the supporting part comprises a first supporting block and a second supporting block; when the display device is in a bent state, the first supporting block and the second supporting block are arranged separately; when the display device is in a flattening state, the first supporting block and the second supporting block are attached to each other.
In the display device provided by the embodiment of the invention, the hinge structure comprises a base, a rotating shaft and a gear; the rotating shafts are positioned at two ends of the base and are rotationally connected with the base; the gear is rotationally connected with the rotating shaft; the side, far away from the flexible display panel, of each of the first supporting block and the second supporting block is provided with gear teeth, and the gears are meshed with the gear teeth on the first supporting block and the gear teeth on the second supporting block respectively.
In the display device provided by the embodiment of the invention, when the display device is in a bent state, the gear is respectively meshed with one end of the first supporting block close to the second supporting block and one end of the second supporting block close to the first supporting block; when the display device is in a flattening state, the gear is meshed with one end, far away from the second supporting block, of the first supporting block and one end, far away from the first supporting block, of the second supporting block respectively.
In the display device provided in the embodiment of the present invention, the flexible display panel includes non-bending portions located at two sides of the bending portion, the folding member includes connecting portions located at two sides of the hinge structure, and one end of the connecting portion away from the hinge structure is adhered to the non-bending portions; one end of the connecting part, which is close to the hinge structure, is rotatably connected with the rotating shaft.
In the display device provided by the embodiment of the invention, a second groove is arranged on the connecting part close to one side of the first supporting block, and a third groove is arranged on the connecting part close to one side of the second supporting block; when the display device is in a bent state, the first supporting block is located in the second groove, and the second supporting block is located in the third groove; when the display device is in a flattening state, the first supporting block is positioned outside the second groove, and the second supporting block is positioned outside the third groove.
In the display device provided in the embodiment of the present invention, the support portion includes a first support layer and a second support layer located on the first support layer, and the second support layer is disposed close to the flexible display panel; wherein the elastic modulus of the first support layer is greater than the elastic modulus of the second support layer.
Has the beneficial effects that: the embodiment of the invention provides a display device, which comprises a flexible display panel and a folding component; the flexible display panel comprises a bending part; the folding component is positioned on one side far away from the light-emitting surface of the flexible display panel and comprises a hinge structure corresponding to the bending part, and the hinge structure comprises a supporting part; when the display device is in a bending state, the supporting part and the bending part are arranged separately; when the display device is in a flattening state, the supporting part is abutted against the bending part; according to the invention, the support part is arranged in the hinge structure of the folding component, when the display device is in a bending state, the support part is separated from the bending part of the display device, so that a space is provided for the bending part, the bending part can be bent according to a preset track, and the collision between the bending part and the support part is avoided; when display device is in the exhibition flat state, supporting part and kink butt give an ascending holding power of kink, not only can prevent flexible display panel because the viscidity of gluing material nature of flowing leads to the crease, can also slow down display device and relapse the folding crease that makes the kink take place deformation downwards and lead to reach the effect that improves the crease, be favorable to improving display device's display effect and life.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Fig. 1a is a schematic view of a prior art display device in a flattened state.
Fig. 1b is a first schematic diagram of a prior art display device in a bent state.
Fig. 1c is a second schematic diagram of a prior art display device in a bent state.
Fig. 2 is a schematic diagram of a basic structure of a flexible display panel according to an embodiment of the present invention.
Fig. 3 is a first schematic view of a display device in a bent state according to an embodiment of the present invention.
Fig. 4 is a first schematic diagram of a display device according to an embodiment of the present invention in a flattened state.
Fig. 5 is a first schematic view of a hinge structure provided by an embodiment of the invention.
Fig. 6 is a side view of the hinge structure of fig. 5.
Fig. 7 is a second schematic view of a display device according to an embodiment of the invention in a bent state.
Fig. 8 is a second schematic view of a display device according to an embodiment of the present invention in a flattened state.
Fig. 9 is a second schematic view of a hinge structure provided by an embodiment of the invention.
Fig. 10 is a side view of the hinge structure of fig. 9.
Fig. 11 is a schematic diagram of a basic structure of a support portion according to an embodiment of the present invention.
Fig. 12 is a schematic diagram of a display device provided in an embodiment of the invention in a flattened state.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the size and thickness of components illustrated in the drawings are not to scale for clarity and ease of understanding and description.
The display device in the prior art has the problem that the crease is difficult to improve, and the embodiment of the invention can solve the defects.
An embodiment of the present invention provides a display device including a flexible display panel 100 and a folding member 200. As shown in fig. 2, which is a schematic diagram of a basic structure of a flexible display panel according to an embodiment of the present invention, the flexible display panel 100 includes a bending portion 101 and non-bending portions 102 located at two sides of the bending portion 101.
As shown in fig. 3 and fig. 4, which are a first schematic diagram of a display device in a bent state and a first schematic diagram of a display device in a flattened state according to an embodiment of the present invention, respectively, the folding member 200 is located at a side away from a light emitting surface of the flexible display panel 100, the folding member 200 includes a hinge structure 201 corresponding to the bent portion 101, and the hinge structure 201 includes a supporting portion 21; when the display device is in a bent state, the supporting portion 21 is separated from the bent portion 101; when the display device is in a flat state, the supporting portion 21 is disposed in abutment with the bending portion 101.
It can be understood that, by providing the supporting portion 21 in the hinge structure 201 of the folding member 200, when the display device is bent, the supporting portion 21 moves in a direction away from the bent portion 101, so as to be separated from the bent portion 101 (as shown in fig. 3), and an avoiding space is left for the bent portion 101, so that the bent portion 101 can be bent according to a predetermined trajectory, and collision with the bent portion 101 is avoided; when the display device is unfolded and flat, the supporting portion 21 moves towards the direction close to the bending portion 101 until the upper surface of the supporting portion 21 abuts against the bending portion 101 (as shown in fig. 4), so that an upward supporting force is provided for the bending portion 101, not only can the crease caused by the viscous flowing property of the adhesive material of the flexible display panel 100 be prevented, but also the crease caused by the downward deformation of the bending portion 101 due to the repeated folding of the display device can be slowed down, thereby achieving the effect of improving the crease, and being beneficial to improving the display effect and the service life of the display device.
In one embodiment, the folding member 200 includes a connecting portion 202 located at two sides of the hinge structure 201, and an end of the connecting portion 202 away from the hinge structure 201 is adhered to the non-bending portion 102 (not shown). Specifically, the display device further includes a support film layer 103 on a side surface of the flexible display panel 100 close to the folding member 200.
It should be noted that the non-bending portion 102 of the flexible display panel 100 is divided into a flat area and a pre-bending area, the flat area is disposed far away from the bending portion 101, and the pre-bending area is disposed near the bending portion 101. The supporting film 103 located below the non-bending portion 102 of the flat region is adhered to the connecting portion 202 of the folding member 200 by a glue layer (not shown), the supporting film 103 located below the non-bending portion 102 of the pre-bending region is not adhered to the connecting portion 202, that is, an air layer 104 is formed between the supporting film 103 located below the non-bending portion 102 of the pre-bending region and the connecting portion 202, so as to reserve a certain avoiding space for bending the flexible display panel 100, wherein the air layer 104 is formed by the glue layer between the supporting film 103 located below the non-bending portion 102 of the flat region and the connecting portion 202.
In an embodiment, the hinge structure 201 includes a base 22, a rotating shaft 23 and a rotating cam 24, please refer to fig. 5 and fig. 6, which are a first schematic diagram of the hinge structure according to the embodiment of the present invention and a side view of the hinge structure in fig. 5, respectively, where the rotating shaft 23 is rotatably connected to the base 22; the rotating cam 24 is rotationally connected with the rotating shaft 23; when the display device is in a bent state, one end of the rotating cam 24 far away from the rotating shaft 23 is separated from the supporting part 21 (as shown in fig. 6); when the display device is in the flat state, one end of the rotating cam 24 far away from the rotating shaft 23 is abutted with one side of the supporting portion 21 far away from the flexible display panel 100 (as shown in fig. 4).
It should be noted that, a component (not shown) for controlling the rotation of the rotating shaft 23 is disposed on the base 22, the rotating shaft 23 rotates to drive the rotating cam 24 to rotate, when one end of the rotating cam 24 away from the rotating shaft 23 moves upward, the supporting portion 21 can be jacked up, that is, one end of the rotating cam 24 away from the rotating shaft 23 abuts against one side of the supporting portion 21 away from the flexible display panel 100, so that the supporting portion 21 abuts against the bending portion 101; when the end of the rotating cam 24 away from the rotating shaft 23 moves downward, the supporting portion 21 falls, i.e., the end of the rotating cam 24 away from the rotating shaft 23 is separated from the supporting portion 21, thereby separating the supporting portion 21 from the bent portion 101. In the embodiment, the rotating cam 24 drives the supporting portion 21 to move up and down, so that the supporting portion 21 is abutted against or separated from the bent portion 101.
In one embodiment, the hinge structure 201 includes a limiting spring 25, a first end of the limiting spring 25 is fixedly connected to the base 22, and a second end of the limiting spring 25 is fixedly connected to the supporting portion 21.
It can be understood that the support portion 21 is connected to the base 22 through a limiting spring 25, and the elastic force and damping of the movement of the support portion 21 relative to the base 22 can be adjusted through the limiting spring 25.
In one embodiment, a side of the base 22 close to the flexible display panel 100 is provided with a first groove 26; when the display device is in a bent state, the supporting part 21 is located in the first groove 26; when the display device is in a flattened state, the support portion 21 is located outside the first groove 26.
It can be understood that, in the present embodiment, when the display device is bent, the supporting portion 21 is received in the first groove 26 to leave an escape space to prevent the supporting portion 21 from colliding with the bent portion 101 of the flexible display panel 100.
It should be noted that, in an embodiment, one end of the connecting portion 202 near the hinge structure 201 is rotatably connected to the rotating shaft 23. That is, the flexible display panel 100 is adhered to the connection portion 202, and the display device is bent and flattened by the relative rotation between the connection portion 202 and the rotation shaft 23.
Next, referring to fig. 7 and fig. 8, a second schematic diagram of a display device in a bent state and a second schematic diagram of a display device in a flattened state according to an embodiment of the present invention are shown, and different from the display devices in fig. 3 to fig. 6, the supporting portion 21 of the embodiment includes a first supporting block 221 and a second supporting block 222; when the display device is in a bent state, the first supporting block 221 and the second supporting block 222 are separately disposed (as shown in fig. 7); when the display device is in a flattened state, the first supporting block 221 and the second supporting block 222 are disposed in an abutting manner (see fig. 8).
Specifically, in the present embodiment, by dividing the supporting portion 21 into the first supporting block 221 and the second supporting block 222, when the display device is in the flattened state, an intersection line between the first supporting block 221 and the second supporting block 222 coincides with a central axis of the bending portion 101, that is, the first supporting block 221 and the second supporting block 222 can equally divide a supporting force of the supporting portion 21 on the bending portion 101, the first supporting block 221 and the second supporting block 222 can be set smaller relative to the supporting portion 21, and when the display device is bent, the first supporting block 221 and the second supporting block 222 are more easily accommodated in the folding member 200.
Next, referring to fig. 9 and fig. 10, a second schematic diagram of a hinge structure according to an embodiment of the present invention and a side view of the hinge structure in fig. 9 are shown, respectively, in the present embodiment, the hinge structure 201 includes a base 22, a rotating shaft 23, and a gear 27; the rotating shafts 23 are positioned at two ends of the base 22, and the rotating shafts 23 are rotatably connected with the base 22; the gear 27 is rotationally connected with the rotating shaft 23; the first support block 221 and the second support block 222 are provided with gear teeth 30 on sides thereof away from the flexible display panel 100, and the gear 27 is engaged with the gear teeth 30 on the first support block 221 and the second support block 222, respectively.
It can be understood that the gear 27 is driven to rotate by the rotating shaft 23 in this embodiment, and the first supporting block 221 and the second supporting block 222 are both meshed with the gear 27, that is, the gear 27 rotates to drive the first supporting block 221 and the second supporting block 222 to move left and right.
In one embodiment, when the display device is in the bent state, the gear 27 is engaged with one end of the first support block 221 near the second support block 222 and one end of the second support block 222 near the first support block 221; when the display device is in the flat state, the gear 27 is engaged with one end of the first supporting block 221 away from the second supporting block 222 and one end of the second supporting block 222 away from the first supporting block 221, respectively.
It can be understood that, when the gear 27 rotates toward the direction close to the central axis of the bending portion 101, the distance between the first supporting block 221 and the second supporting block 222 gradually decreases until the first supporting block 221 and the second supporting block 222 are attached, so that the gear 27 is respectively engaged with one end of the first supporting block 221 away from the second supporting block 222 and one end of the second supporting block 222 away from the first supporting block 221 (as shown in fig. 10); when the gear 27 rotates in a direction away from the central axis of the bending portion 101, the distance between the first supporting block 221 and the second supporting block 222 gradually increases, so that the first supporting block 221 is separated from the second supporting block 222, that is, the gear 27 is respectively engaged with one end of the first supporting block 221 close to the second supporting block 222 and one end of the second supporting block 222 close to the first supporting block 221 (see fig. 7).
With continued reference to fig. 7 and 8, in one embodiment, a second notch 28 is provided in the connecting portion 202 adjacent to the first support block 221, and a third notch 29 is provided in the connecting portion 202 adjacent to the second support block 222; when the display device is in a bent state, the first supporting block 221 is located in the second groove 28, and the second supporting block 222 is located in the third groove 29; when the display device is in the flat state, the first supporting block 221 is located outside the second groove 28, and the second supporting block 222 is located outside the third groove 29.
It can be understood that, in the present embodiment, by providing the second groove 28 and the third groove 29 on the connection portion 202, when the display device is bent, the first supporting block 221 moves leftwards to be received in the second groove 28, and the second supporting block 222 moves rightwards to be received in the third groove 29 (as shown in fig. 7), so as to leave an escape space to prevent the first supporting block 221 and the second supporting block 222 from colliding with the bent portion 101 of the flexible display panel 100; when the display device is flattened, the first supporting block 221 and the second supporting block 222 both move towards the middle until the two supporting blocks are close to each other but not pressed (as shown in fig. 8), and the first supporting block 221 and the second supporting block 222 simultaneously give an upward supporting force to the bending portion 101.
It should be noted that the movement manner of the supporting portion 21 is not limited to up-down movement or left-right movement, and the scheme of supporting the flexible display panel 100 in the flat state is within the protection scope of the present invention as long as the flexible display panel 100 is avoided in the bent state.
Next, referring to fig. 11, a basic structure diagram of the supporting portion according to an embodiment of the present invention is shown, in this embodiment, the supporting portion 21 includes a first supporting layer 211 and a second supporting layer 212 located on the first supporting layer 211, and the second supporting layer 212 is disposed near the flexible display panel 100; wherein the elastic modulus of the first support layer 211 is greater than the elastic modulus of the second support layer 212.
The larger the elastic modulus, the larger the hardness of the material. In the present embodiment, the supporting portion 21 is formed by compounding multiple layers of materials, wherein the material of the first supporting layer 211 is metal such as stainless steel, titanium alloy, etc., and the material of the second supporting layer 212 is plastic, rubber, silica gel, polyimide, etc.
It can be understood that the first supporting layer 211 can be coupled and linked with the components in the hinge structure 201 better by using metal, so that the connection of screws and threads is facilitated, and the fatigue life is prolonged; the second supporting layer 212 is made of plastic, rubber, silica gel, polyimide and the like, and can provide a soft contact for the flexible display panel 100, so that sharp-corner hard contact is avoided, the second supporting layer 212 is made of the material which can play an insulating role when contacting the supporting film layer 103, and the supporting part 21 is prevented from contacting the flexible display panel 100 to influence the display effect.
Next, referring to fig. 12, which is a schematic diagram illustrating a display device in a flattened state according to an embodiment of the present invention, by using the embodiments shown in fig. 3 to fig. 10, the problem of the crease of the display device can be effectively solved, so that when the display device is in the flattened state, the bent portion will not be recessed downward, which is beneficial to improving the display effect and prolonging the service life of the display device.
It should be noted that, the display device provided in the embodiment of the present invention may be: products or components with display functions such as mobile phones, tablet computers, notebook computers, televisions, digital cameras, navigators and the like.
A display device provided in an embodiment of the present invention is described in detail above. It should be understood that the exemplary embodiments described herein should be considered merely as illustrative, for facilitating the understanding of the method of the present invention and its core ideas, and not as limiting the present invention.
Claims (10)
1. A display device, comprising:
a flexible display panel including a bending part;
the folding component is positioned on one side far away from the light emitting surface of the flexible display panel, the folding component comprises a hinge structure corresponding to the bending part, and the hinge structure comprises a supporting part;
when the display device is in a bent state, the supporting part and the bent part are arranged separately; when the display device is in a flat state, the supporting part is abutted to the bending part.
2. The display device of claim 1, wherein the hinge structure comprises:
a base;
the rotating shaft is rotatably connected with the base;
the rotating cam is rotationally connected with the rotating shaft;
when the display device is in a bent state, one end of the rotating cam, which is far away from the rotating shaft, is separated from the supporting part; when the display device is in a flattening state, one end of the rotating cam, which is far away from the rotating shaft, is abutted to one side, which is far away from the flexible display panel, of the supporting part.
3. The display device as claimed in claim 2, wherein the hinge structure comprises a stopper spring, a first end of the stopper spring is fixedly connected with the base, and a second end of the stopper spring is fixedly connected with the supporting portion.
4. The display device of claim 3, wherein a side of the base adjacent to the flexible display panel is provided with a first groove;
when the display device is in a bent state, the supporting part is positioned in the first groove; when the display device is in a flattened state, the supporting part is positioned outside the first groove.
5. The display device of claim 1, wherein the support portion comprises a first support block and a second support block;
when the display device is in a bent state, the first supporting block and the second supporting block are arranged separately; when the display device is in a flattening state, the first supporting block and the second supporting block are attached to each other.
6. The display device of claim 5, wherein the hinge structure comprises:
a base;
the rotating shafts are positioned at two ends of the base and are rotationally connected with the base;
the gear is rotationally connected with the rotating shaft;
the flexible display panel is provided with a first supporting block and a second supporting block, wherein one side of the first supporting block and one side of the second supporting block, which are far away from the flexible display panel, are respectively provided with gear teeth, and the gears are respectively meshed with the gear teeth on the first supporting block and the gear teeth on the second supporting block.
7. The display apparatus according to claim 6, wherein the gear is engaged with an end of the first support block adjacent to the second support block and an end of the second support block adjacent to the first support block, respectively, when the display apparatus is in a folded state;
when the display device is in a flattening state, the gear is meshed with one end, far away from the second supporting block, of the first supporting block and one end, far away from the first supporting block, of the second supporting block respectively.
8. The display device according to claim 7, wherein the flexible display panel comprises non-bending portions at two sides of the bending portion, the folding member comprises connecting portions at two sides of the hinge structure, and one end of the connecting portion away from the hinge structure is adhered to the non-bending portions;
one end of the connecting part, which is close to the hinge structure, is rotatably connected with the rotating shaft.
9. The display apparatus as claimed in claim 8, wherein a second groove is provided on the connecting portion near the first supporting block side, and a third groove is provided on the connecting portion near the second supporting block side;
when the display device is in a bent state, the first supporting block is located in the second groove, and the second supporting block is located in the third groove; when the display device is in a flattening state, the first supporting block is positioned outside the second groove, and the second supporting block is positioned outside the third groove.
10. The display device according to any one of claims 1 to 9, wherein the support portion comprises a first support layer and a second support layer on the first support layer, the second support layer being disposed adjacent to the flexible display panel;
wherein the elastic modulus of the first support layer is greater than the elastic modulus of the second support layer.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210979349.9A CN115394190A (en) | 2022-08-16 | 2022-08-16 | Display device |
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|---|---|---|---|
| CN202210979349.9A CN115394190A (en) | 2022-08-16 | 2022-08-16 | Display device |
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