CN114464089B - Folding display panel and display device - Google Patents
Folding display panel and display device Download PDFInfo
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- CN114464089B CN114464089B CN202210033216.2A CN202210033216A CN114464089B CN 114464089 B CN114464089 B CN 114464089B CN 202210033216 A CN202210033216 A CN 202210033216A CN 114464089 B CN114464089 B CN 114464089B
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- magnetic attraction
- folding
- display panel
- display
- backboard
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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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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/549—Organic PV cells
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The embodiment of the application discloses a folding display panel and a display device, wherein the folding display panel comprises a display layer, and comprises a folding area and plane areas positioned at two sides of the folding area; the backboard is arranged on one side surface of the display layer; the magnetic attraction piece is arranged on the surface of one side of the backboard away from the display layer, comprises a first magnetic attraction part and a second magnetic attraction part, and is respectively positioned in the plane areas on two sides of the folding area, and homopolar of the first magnetic attraction part and homopolar of the second magnetic attraction part are opposite. The beneficial effects of this application embodiment lie in, folding display panel and display device in this application embodiment have set up homopolar relative magnetism respectively in the plane district of folding district both sides and have inhaled the piece, keep away from the automatic tensile folding district when folding display panel exhibition flat through homopolar repulsion to reduce the folding trace of folding district. The sliding device is arranged in the repulsive direction of the magnetic attraction piece and used for limiting the displacement of the plane area under the action of the stretching force, so that structural damage in the folding area caused by overlarge repulsive force is avoided.
Description
Technical Field
The application relates to the field of display, in particular to a folding display panel and a display device.
Background
In the course of research and practice on the prior art, the inventors of the present application have found that foldable screens are of great interest to various manufacturers as a new generation of flexible display technology. After being folded for many times, the foldable screen can be folded in different degrees in the folding area. The crease is mainly generated because the organic film material is stretched in the repeated bending process to generate partial unrecoverable deformation of the molecular chains, so that the crease is generated. In the state of screen extinction, crease can be easily observed by human eyes, and the use experience of a user is seriously influenced. It is therefore necessary to provide a foldable display device to ameliorate this drawback for the present situation of folds.
Disclosure of Invention
The embodiment of the application provides a folding display panel and a display device, which can solve the technical problem that a folding device in the prior art has folds in a folding area.
The embodiment of the application provides a folding display panel, which comprises: the display layer comprises a folding area and plane areas positioned at two sides of the folding area; the backboard is arranged on one side surface of the display layer; the magnetic attraction piece is arranged on the surface of one side of the backboard away from the display layer, the magnetic attraction piece comprises a first magnetic attraction part and a second magnetic attraction part which are respectively positioned in the plane areas on two sides of the folding area, and homopolar of the first magnetic attraction part and homopolar of the second magnetic attraction part are oppositely arranged.
Optionally, in some embodiments of the present application, the foldable display panel further includes a sliding device disposed on a surface of a side of the back plate away from the display layer, and on a side of the second magnetic portion away from the first magnetic portion.
Optionally, in some embodiments of the present application, the foldable display panel further includes a housing, disposed on a side surface of the back plate away from the display layer, and sleeved outside the magnetic attraction member and the sliding device.
Optionally, in some embodiments of the present application, the sliding device includes a fixing plate fixed on the back plate and abutting against a side of the second magnetic attraction portion away from the first magnetic attraction portion; the limiting piece is fixed on the surface of one side of the shell, which is close to the backboard; the sliding groove is sleeved on the sliding rail and moves along the extending directions of the two ends of the sliding rail, and the sliding groove and the sliding rail are respectively fixed on the fixing plate and the limiting piece.
Optionally, in some embodiments of the present application, the limiting member is disposed at two ends of the sliding groove or the sliding rail, so as to define a position of the sliding rail or the sliding groove.
Optionally, in some embodiments of the present application, a barrier layer is further provided between the magnetic attraction member and the back plate, and the barrier layer is made of a non-magnetic material.
Optionally, in some embodiments of the present application, the barrier layer is an austenitic stainless steel material.
Optionally, in some embodiments of the present application, the magnetic attraction member is fixed to a surface of the barrier layer away from the back plate by a pressure sensitive adhesive.
Optionally, in some embodiments of the present application, the barrier layer is fixed to a surface of the back plate, which is far away from the display layer, by a pressure sensitive adhesive, and the barrier layer is located in the planar area.
Correspondingly, the embodiment of the application also provides a display device which comprises the folding display panel.
The beneficial effects of this application embodiment lie in, folding display panel and display device in this application embodiment have set up homopolar relative magnetism respectively in the plane district of folding district both sides and have inhaled the piece, keep away from the automatic tensile folding district when folding display panel exhibition flat through homopolar repulsion to reduce the folding trace of folding district. The sliding device is arranged in the repulsive direction of the magnetic attraction piece and used for limiting the displacement of the plane area under the action of the stretching force, so that structural damage in the folding area caused by overlarge repulsive force is avoided.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present application;
fig. 2 is a schematic structural diagram of a foldable display panel according to an embodiment of the present application;
fig. 3 is a schematic structural diagram of a sliding device according to an embodiment of the present application.
Reference numerals illustrate:
folding the display panel 1; a folding area 101;
a planar region 102; a display layer 100;
backboard 200; an adhesive layer 300;
a barrier layer 400; a magnetic attraction member 500;
a sliding device 600; a housing 700;
a first magnetic attraction portion 510; a second magnetic attraction part 520;
a fixing plate 610; a chute 620;
a slide rail 630; and a stopper 640.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application. Furthermore, it should be understood that the detailed description is presented herein for purposes of illustration and explanation only and is not intended to limit the present application. In this application, unless otherwise indicated, terms of orientation such as "upper" and "lower" are used to generally refer to the upper and lower positions of the device in actual use or operation, and specifically the orientation of the drawing figures; while "inner" and "outer" are for the outline of the device.
The embodiment of the application provides a folding display panel and a display device. The following is a detailed description. The following description of the embodiments is not intended to limit the preferred embodiments.
Examples
In this embodiment, as shown in fig. 1, the display device of the present invention includes a foldable display panel 1, all technical features and main technical effects of the display device are concentrated on the foldable display panel 1, and for other components of the display device, details are not repeated in this embodiment, as shown in fig. 2, the foldable display panel 1 in this embodiment includes a display layer 100, a back plate 200, a glue layer 300, a barrier layer 400, a magnetic attraction member 500, a sliding device 600 and a housing 700.
The display layer 100 is a light-emitting panel, and has a light-emitting surface on one side for displaying a picture, in this embodiment, the folded display panel 1 further includes a folding area 101 and planar areas 102 located on two sides of the folding area 101, and the planar areas 102 can be folded or unfolded around the folding area 101, so that the folded display panel 1 can be unfolded to increase a display area when displayed, and folded to reduce a storage space when not displayed.
The back plate 200 is disposed on a side of the display layer 100 away from the light emitting surface, and a driving circuit and a light emitting unit of the display layer 100 are disposed on the back plate 200, so as to drive the display layer 100 to emit light, thereby controlling the display layer 100 to be turned on and display patterns or turned off.
The barrier layer 400 is attached to the surface of one side of the backplate 200 far away from the display layer 100, and the barrier layer 400 is made of a non-magnetic attraction material, so that the magnetic attraction force of the magnetic attraction piece 500 to the metal material in the backplate 200 is reduced by increasing the distance between the magnetic attraction piece 500 and the backplate 200, and the magnetic field of the magnetic attraction piece 500 is prevented from disturbing the metal layer in the backplate 200. In this embodiment, the barrier layer 400 is made of austenitic stainless steel, and its magnetic permeability is very low and is hardly affected by the magnetic attraction force of the magnetic attraction member 500.
The barrier layer 400 is attached to the backplate 200 through the colloid 300, the colloid 300 is a pressure-sensitive adhesive material, and the pressure-sensitive adhesive material is a viscoelastic body with both the viscosity property of liquid and the elasticity property of solid, so that the barrier layer 400 and the backplate 200 can be well adhered together, and meanwhile, the colloid 300 in the embodiment has a certain thickness, and the magnetic attraction of the magnetic attraction piece 500 to the metal material in the backplate 200 is further reduced by increasing the distance between the magnetic attraction piece 500 and the backplate 200, so that the magnetic field of the magnetic attraction piece 500 is prevented from disturbing the metal layer in the backplate 200.
The magnetic attraction piece 500 is attached to a surface of the barrier layer 400, which is far away from the back plate 200, specifically, the magnetic attraction piece 500 includes a first magnetic attraction portion 510 and a second magnetic attraction portion 520, the first magnetic attraction portion 510 and the second magnetic attraction portion 520 are relatively disposed at two ends of the folding region 101, that is, the first magnetic attraction portion 510 and the second magnetic attraction portion 520 are respectively disposed in the planar region 102 at two sides of the folding region 101, and the N pole of the first magnetic attraction portion 510 and the N pole of the second magnetic attraction portion 520 are relatively disposed, in other preferred embodiments of the present invention, the S pole of the first magnetic attraction portion 510 and the S pole of the second magnetic attraction portion 520 are relatively disposed.
Specifically, in this embodiment, the first magnetic attraction portion 510 is a permanent magnet, one end of the N pole of the first magnetic attraction portion 510 faces the folding area 101 and is located at the boundary of the folding area 101 and the flat area 102, the second magnetic attraction portion 520 is consistent with the material of the first magnetic attraction portion 510, one end of the N pole of the second magnetic attraction portion 520 faces the folding area 101 and is located at the boundary of the folding area 101 and the flat area 102, when the folding area 101 of the folded display panel 1 is folded, the first magnetic attraction portion 510 and the second magnetic attraction portion 520 are located at the "top-bottom overlapping" position of the flat area 102, the first magnetic attraction portion 510 and the second magnetic attraction portion 520 are not attracted to each other nor repel each other, when the folded display panel 1 is unfolded, the N poles of the first magnetic attraction portion 510 and the second magnetic attraction portion 520 are relatively arranged, and according to the distance of the same order of the magnets, the flat area 102 on both sides of the folding area 101 moves in the direction away from the folding area 101, so that a stretching effect is played on the folding area 101, when the folding area 101 is folded, the "folded in the stretching crease" is flattened "caused in the folding area 101, and the folded crease is not to be easily unfolded, and the folded by the naked eyes of the user can not be observed when the folded area 101 is lifted.
In this embodiment, in order to further enhance the stretching effect on the folding region 101 and avoid the problem of damage to the mechanism in the folding region 101 caused by excessive displacement of the planar region 102, a sliding device 600 is disposed on the side of the second magnetic part 520 away from the first magnetic part 510, one end of the sliding device 600 is fixed on the surface of the side of the barrier layer 400 away from the back plate 200, and one end is abutted against one end face of the second magnetic attraction part 520, which is far away from the first magnetic attraction part 510, and when the second magnetic attraction part 520 and the first magnetic attraction part 510 repel each other, the second magnetic attraction part 520 can push the sliding device 600 to slide in a direction far away from the first magnetic attraction part 510.
As shown in fig. 3, the sliding device 600 includes a fixing plate 610, a sliding groove 620, a sliding rail 630 and a limiting member 640, wherein the fixing plate 610 is fixed on a side surface of the barrier layer 400 away from the backplate 200, and one end of the fixing plate is abutted against an end surface of the second magnetic attraction portion 520 away from the first magnetic attraction portion 510, the sliding groove 620 is fixed to one side of the fixing plate 610 away from the barrier layer 400 through a rod, two ends of the sliding rail 630 are fixed to the limiting member 640, that is, the sliding rail 630 is disposed between the two limiting members 640, the sliding groove 620 is sleeved on the sliding rail 630, and slides along two extending directions of the two ends of the sliding rail 630, the limiting member 640 is used for limiting displacement of the sliding groove 620 in the sliding rail 630, so as to avoid damage to a mechanism in the folding region 101 caused by excessive displacement of the sliding groove 620.
The sliding rail 630 and the limiting piece 640 are fixed on the casing 700, the casing 700 is arranged on one side of the magnetic attraction piece 500 away from the backboard 200, and is sleeved outside the magnetic attraction piece 500 and the sliding device 600, the casing 700 is not in direct contact with the magnetic attraction piece 500, the casing 700 is made of non-magnetic attraction materials, when the second magnetic attraction part 520 and the first magnetic attraction part 510 repel each other, the casing 700 is not affected by a magnetic field, so that the positions of the sliding rail 630 and the limiting piece 640 are fixed relative to the magnetic attraction piece 500, and the purpose of limiting the moving distance of the plane area 102 is achieved.
The folding display panel and the display device in the embodiment have the beneficial effects that the magnetic attraction pieces with the same poles opposite to each other are respectively arranged in the plane areas on the two sides of the folding area, and the folding area is automatically stretched when the folding display panel is flattened through the repulsion of the same poles, so that folding marks of the folding area are reduced. The sliding device is arranged in the repulsive direction of the magnetic attraction piece and used for limiting the displacement of the plane area under the action of the stretching force, so that structural damage in the folding area caused by overlarge repulsive force is avoided.
The foregoing has described in detail a foldable display panel and a display device provided by embodiments of the present application, and specific examples have been applied herein to illustrate the principles and embodiments of the present application, where the foregoing examples are provided to assist in understanding the methods and core ideas of the present application; meanwhile, those skilled in the art will have variations in the specific embodiments and application scope in light of the ideas of the present application, and the present description should not be construed as limiting the present application in view of the above.
Claims (7)
1. A folding display panel, comprising
The display layer comprises a folding area and plane areas positioned at two sides of the folding area;
the backboard is arranged on one side surface of the display layer;
the magnetic attraction piece is arranged on the surface of one side, far away from the display layer, of the backboard, the magnetic attraction piece comprises a first magnetic attraction part and a second magnetic attraction part, the first magnetic attraction part and the second magnetic attraction part are respectively positioned in plane areas on two sides of the folding area, and homopolar of the first magnetic attraction part and homopolar of the second magnetic attraction part are oppositely arranged;
the sliding device is arranged on the surface of one side of the backboard, which is far away from the display layer, and is positioned on one side of the second magnetic part, which is far away from the first magnetic part;
the shell is arranged on the surface of one side of the backboard, which is far away from the display layer, and is sleeved outside the magnetic attraction piece and the sliding device;
the sliding device comprises a fixed plate, a limiting piece, a sliding groove and a sliding rail, wherein the fixed plate is fixed on the back plate and is abutted to one side, far away from the first magnetic part, of the second magnetic part; the limiting piece is fixed on one side surface of the shell, which is close to the backboard, and is used for limiting the back plate; the sliding groove is sleeved on the sliding rail and moves along the extending directions of the two ends of the sliding rail, and the sliding groove and the sliding rail are respectively fixed on the fixing plate and the limiting piece.
2. The foldable display panel of claim 1, wherein the display panel is configured to display a plurality of images,
the limiting piece is arranged at the two ends of the sliding groove or the sliding rail to limit the position of the sliding rail or the sliding groove.
3. The foldable display panel of claim 1, wherein the display panel is configured to display a plurality of images,
a barrier layer is arranged between the magnetic attraction piece and the backboard, and the barrier layer is made of a non-magnetic material.
4. The foldable display panel of claim 3, wherein the display panel is configured to display a plurality of images,
the barrier layer is an austenitic stainless steel material.
5. The foldable display panel of claim 3, wherein the display panel is configured to display a plurality of images,
the magnetic attraction piece is fixed on the surface of one side of the barrier layer, which is far away from the backboard, through a pressure sensitive adhesive.
6. The foldable display panel of claim 3, wherein the display panel is configured to display a plurality of images,
the barrier layer is fixed on the surface of one side of the backboard, which is far away from the display layer, through a pressure-sensitive adhesive, and the barrier layer is positioned in the plane area.
7. A display device comprising the folded display panel of any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210033216.2A CN114464089B (en) | 2022-01-12 | 2022-01-12 | Folding display panel and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210033216.2A CN114464089B (en) | 2022-01-12 | 2022-01-12 | Folding display panel and display device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114464089A CN114464089A (en) | 2022-05-10 |
| CN114464089B true CN114464089B (en) | 2023-07-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210033216.2A Active CN114464089B (en) | 2022-01-12 | 2022-01-12 | Folding display panel and display device |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10831234B1 (en) * | 2019-08-27 | 2020-11-10 | Lenovo (Singapore) Pte. Ltd. | Portable information device |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI688802B (en) * | 2017-11-03 | 2020-03-21 | 曾世憲 | Pixel array and manufacturing method thereof |
| CN110459135A (en) * | 2019-08-28 | 2019-11-15 | Oppo广东移动通信有限公司 | Flexible display screen, flexible display apparatus |
| US11076494B2 (en) * | 2019-08-30 | 2021-07-27 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Foldable display device |
| CN110971728B (en) * | 2019-12-13 | 2021-04-09 | Oppo广东移动通信有限公司 | Folding device and electronic equipment |
| CN111343310B (en) * | 2020-03-06 | 2021-04-20 | 昆山工研院新型平板显示技术中心有限公司 | Display device and mobile terminal |
| CN111835899A (en) * | 2020-08-21 | 2020-10-27 | Oppo广东移动通信有限公司 | Housing assembly and foldable electronic device |
| CN112201156A (en) * | 2020-08-31 | 2021-01-08 | 上海天马微电子有限公司 | Display module and display device |
| CN112365800B (en) * | 2020-10-30 | 2022-10-14 | 合肥维信诺科技有限公司 | Flexible display panel |
| CN112509465A (en) * | 2020-11-23 | 2021-03-16 | 京东方科技集团股份有限公司 | Folding display device and electronic equipment |
| CN112365804B (en) * | 2020-11-26 | 2022-11-22 | 武汉天马微电子有限公司 | Display module and display device |
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- 2022-01-12 CN CN202210033216.2A patent/CN114464089B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10831234B1 (en) * | 2019-08-27 | 2020-11-10 | Lenovo (Singapore) Pte. Ltd. | Portable information device |
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| CN114464089A (en) | 2022-05-10 |
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