CN112908175A - Flexible display device can curl - Google Patents
Flexible display device can curl Download PDFInfo
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- CN112908175A CN112908175A CN202110148531.5A CN202110148531A CN112908175A CN 112908175 A CN112908175 A CN 112908175A CN 202110148531 A CN202110148531 A CN 202110148531A CN 112908175 A CN112908175 A CN 112908175A
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- flexible display
- display module
- display device
- storage portion
- cavity
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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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- Electroluminescent Light Sources (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Abstract
The application provides a flexible display device capable of being curled, which comprises a scroll, a flexible display module and a shell used for wrapping the scroll and the flexible display module, wherein the flexible display module is provided with a cavity along the curling direction, the cavity is provided with a plurality of movable rigid supporting pieces, and the rigid supporting pieces can be curled or stretched along with the flexible display module; when the flexible display module is unfolded, the rigid supporting pieces fill the cavity and are sequentially arranged, the rigid supporting pieces are also connected with the elastic pieces, and under the elastic action of the elastic pieces, a supporting body with certain rigidity is formed to protect the frame of the flexible display module; when the flexible display module is curled, the rigid supporting piece can enter the shell when the flexible display module is curled to the scroll, the rigidity of the display panel of the curled flexible display device after being stretched can be improved, and the friction resistance generated during stretching and contraction is reduced.
Description
Technical Field
The invention relates to the technical field of display panel manufacturing, in particular to a flexible display device capable of being curled.
Background
The rollable OLED display device serves as a novel display technology product, and the global panel module manufacturer is in the direction of innovation and development in the future. The rollable display device is rolled to achieve a relatively small size when carried, and unrolled to provide a relatively large image to a user when in use. To this end, the rollable display device includes a receiving device and a rollable display panel. In order to achieve the overall free-curling effect, flexible materials are required to be used for each lamination of the OLED module, so that the curling smoothness of the module in the mechanism is improved.
Usually curl the OLED display module assembly and include the shell of flexible screen and parcel flexible screen, the shell is provided with first spool, first spool both sides are provided with the second spool respectively, flexible screen both ends are provided with curved strip respectively, curved strip is used for protecting the flexible screen, flexible screen keeps away from shell one side and is provided with linking platform, the second spool is used for curling curved strip in shrink or extension in-process, because flexible screen extension back size is great, hang on the wall, perhaps tile on the plane, the flexible screen of large size is rocked about easily, influence the display quality of display screen, in addition the book contracts or extends the in-process, first spool and second spool are respectively the flexible screen of book contract and curved strip, there is the error, cause the friction resistance of the book contract or extension in-process great.
Therefore, a new structure of a rollable flexible display device needs to be designed to solve the technical problems of the prior art that the display panel of the rollable flexible display device has poor rigidity after being extended and has large frictional resistance generated by contraction or extension.
Disclosure of Invention
The invention provides a flexible display device capable of being curled, which can solve the technical problems that a display panel of the flexible display device capable of being curled in the prior art is poor in rigidity after being stretched and large in friction resistance generated by contraction or stretching.
In order to solve the above problems, the technical scheme provided by the invention is as follows:
the embodiment of the invention provides a flexible display device capable of being curled, which comprises a scroll, a flexible display module and a shell, wherein the shell is used for accommodating the scroll and the flexible display module; the flexible display module is provided with a cavity along the curling direction, a plurality of rigid supporting pieces are movably arranged in the cavity, and the rigid supporting pieces are adjacent to each other and tightly matched with each other so as to support the curling or stretching flatness of the cavity and the flexible display module.
According to a preferred embodiment of the present invention, the cavity includes a curling portion and a storage portion, the curling portion is communicated with the storage portion, the storage portion is located in the housing, frames are disposed on two sides of the flexible display module, a back frame is disposed on the back of the flexible display module, and the curling portion is located in the frames or the back frame.
According to a preferred embodiment of the present invention, the rigid supporting member is a steel ball, and the steel ball is located in the combined structure of the crimping portion and the storage portion.
According to a preferred embodiment of the present invention, an elastic member is disposed in the cavity, and the elastic member and the rigid support member are in interference fit.
According to a preferred embodiment of the present invention, the elastic member is one or two of a spring and an air bag.
According to a preferred embodiment of the present invention, the surface of the rigid support is coated with a flexible silicone material, and the flexible silicone material has elasticity and prestress.
According to a preferred embodiment of the present invention, the housing includes a first sub housing and a second sub housing, the first sub housing includes a first scroll, the second sub housing includes a second scroll, two ends of the flexible display module are respectively connected to the first scroll and the second scroll, the first scroll and the second scroll simultaneously roll up the flexible display module, and after the flexible display module is completely rolled, the first sub housing and the second sub housing are assembled together, wherein the first sub housing and the second sub housing are disposed opposite to each other and have the same shape.
According to a preferred embodiment of the present invention, two sides of the first sub-enclosure, which are away from the first reel, are respectively provided with a first storage portion and a second storage portion, two sides of the second sub-enclosure, which are away from the second reel, are respectively provided with a third storage portion and a fourth storage portion, the curling portions include a first curling portion and a second curling portion, the first storage portion, the first curling portion and the third storage portion are conducted, and the second storage portion, the second curling portion and the fourth storage portion are conducted.
According to a preferred embodiment of the present invention, the first and second scrolling parts are provided with the elastic members at positions corresponding to a center line of the flexible display module, and the elastic members are provided in the first storage part, the second storage part, the third storage part and the fourth storage part.
According to a preferred embodiment of the present invention, the flexible display module is an OLED display module, a Mini-LED display module or a Micro-LED display module.
The invention has the beneficial effects that: the application provides a flexible display device capable of being curled, which comprises a scroll, a flexible display module and a shell used for wrapping the scroll and the flexible display module, wherein the flexible display module is provided with a cavity along the curling direction, the cavity is provided with a plurality of movable rigid supporting pieces, the rigid supporting pieces can be curled or stretched along with the flexible display module, when the flexible display module is unfolded, the rigid supporting pieces fill the cavity and are sequentially arranged, the rigid supporting pieces are also connected with elastic pieces, and under the elastic action of the elastic pieces, a supporting body with certain rigidity is formed to protect the frame of the flexible display module; when the flexible display module is curled, the rigid supporting piece can enter the shell when the flexible display module is curled to the scroll, the rigidity of the display panel of the curled flexible display device after being stretched can be improved, and the friction resistance generated during stretching and contraction is reduced.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic external view of a rollable flexible display device according to the present application.
Fig. 2 is a schematic diagram of an unfolding structure of a rollable flexible display device according to the present application.
Fig. 3 is a detailed structural diagram of a rollable flexible display device according to the present application.
Fig. 4 is a schematic cross-sectional structure view of a rigid support receiving cavity in a rollable flexible display device according to the present invention.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings that illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], are only referring to the directions of the attached drawings. Accordingly, the directional terms used are used for explanation and understanding of the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals, and broken lines in the drawings indicate that the elements do not exist in the structures, and only the shapes and positions of the structures are explained.
The present invention is directed to the technical problems of the display panel of the rollable flexible display device in the prior art that the rigidity is poor after the display panel is extended and the frictional resistance is large when the display panel is contracted or extended, and this embodiment can solve the problem.
The embodiment of the invention provides a flexible display device capable of being curled, which comprises a scroll, a flexible display module and a shell used for wrapping the scroll and the flexible display module, wherein a cavity is arranged on the flexible display module along the curling direction, a plurality of rigid supporting pieces are movably arranged in the cavity, and the adjacent rigid supporting pieces are tightly matched with each other so as to support the curling or stretching flatness of the cavity and the flexible display module. The flexible display module is preferably an OLED display module, a Mini-LED display module or a Micro-LED display module. The flexible display module is provided with the cavity along curling direction, is provided with a plurality of rigidity support piece in the cavity movably, and rigidity support piece can curl or extend along with flexible display module, and rigidity support piece can improve flexible display module's rigidity, improves flexible display module's stability.
The cavity includes the portion of crimpling and storage portion, the portion of crimpling with storage portion intercommunication, the storage portion is located in the shell, flexible display module assembly both sides are provided with the frame, the back of flexible display module assembly is provided with the back of the body frame, the portion of crimpling is located in the frame or in the back of the body frame. The storage part in this embodiment is located the shell of keeping away from the both sides of spool, all sets up the elastic component in crimping portion and the storage part, adopts conflict cooperation between elastic component and the rigid support piece. When the flexible display module slowly extends along with the scroll, the compression elastic piece slowly stretches, and the rigid support piece in the containing cavity is slowly input into the cavity, so that the rigid support piece is sequentially and continuously arranged in the cavity, and the density of the rigid support piece in the cavity is increased. When the flexible display module slowly rolls down along with the reel, the elastic piece is compressed, and the rigid support piece slowly enters the containing cavity from the cavity. The rigid supporting part is preferably a steel ball, the surface of the steel ball is coated with a flexible silica gel material, the flexible silica gel material has elasticity and prestress, and the elastic part preferably comprises one or two combined structures of a spring and an air bag.
Specifically, as shown in fig. 1 and fig. 2, an appearance of the rollable flexible display device 100 is schematically shown, where the rollable flexible display device 100 includes a flexible display module 101, a first sub-housing 102 and a second sub-housing 103, two ends of the flexible display module 101 are respectively connected to the first sub-housing 102 and the second sub-housing 103, the flexible display module 101 can be stored in the first sub-housing 102 and the second sub-housing 103 at the same time, and the first sub-housing 102 and the second sub-housing 103 are preferably identical in structure and form a whole after being folded together, so as to ensure that the rollable flexible display device 100 has a flat and beautiful appearance.
The two sides of the flexible display module 101 are provided with a first frame 1011 and a second frame 1012, the cavity comprises a first cavity and a second cavity, the first cavity comprises a first curling portion 1041, a first storage portion and a third storage portion (not shown in the figure) which are positioned on the two sides of the first curling portion 1041, the first storage portion and the third storage portion are in a conducting state, the second cavity comprises a second curling portion 1042, a second storage portion and a fourth storage portion (not shown in the figure) which are positioned on the two sides of the second curling portion 1042, the second storage portion and the fourth storage portion are in a conducting state, the flexible display module 101 is provided with a first frame 1011 and a second frame, the first curling portion 1041 is positioned in the first frame 1011, and the second curling portion 1042 is positioned in the second frame 1012. In this embodiment, both ends of the first rolling-up portion 1041 and the second rolling-up portion 1042 extend into the first sub-housing 102 and the second sub-housing 103, the end portions of the first sub-housing 102 corresponding to the first storage portion and the third storage portion are both provided with an elastic member 105, the end portions of the second sub-housing 103 corresponding to the second storage portion and the fourth storage portion are both provided with an elastic member 105, and the elastic member 105 is preferably one or two combination structures of a spring and an air bag.
As shown in fig. 3, an embodiment of the present invention provides a detailed structural schematic diagram of a rollable flexible display device 100, wherein a first sub-housing 102 is provided with a first reel 1021, a second sub-housing 103 is provided with a second reel 1031, two ends of a flexible display module 101 are respectively connected to the first reel 1021 and the second reel 1031, the first reel 1021 and the second reel 1031 roll up the flexible display module 101 at the same time in opposite directions, the first reel 1021 and the second reel 1031 preferably adopt the same angular speed, so as to improve the efficiency of rolling and shrinking the flexible display module 101, the first sub-housing 102 and the second sub-housing 103 are arranged oppositely and have the same shape, and when the flexible display module 101 is rolled and shrunk, the first sub-housing 102 and the second sub-housing 103 are folded and assembled. The angular velocity of the first spool 1021 in this embodiment is ω 1, and the angular velocity of the second spool 1031 is ω 2, with ω 1 preferably being equal to ω 2.
The first sub-housing 102 is provided with a first storage part 1022 and a third storage 1023 corresponding to two sides of the first reel 1021, the second sub-housing 103 is provided with a second storage part 1032 and a fourth storage 1033 corresponding to two sides of the second reel 1031, the flexible display module 101 in this embodiment is provided with a first frame 1011 and a second frame 1012 on two sides, the first frame 1011 is provided with a first shrinking part 1041, the second frame 1012 is provided with a second shrinking part 1042, the first shrinking part 1041 and the second shrinking part 1042 are sequentially arranged with rigid supporting members 104, in this embodiment, two sides of the first shrinking part 1041 and the second shrinking part 1042 extend into the first sub-housing 102 and the second sub-housing 103, ends of the first sub-housing 102 corresponding to the first storage part 1022 and the third storage part 1023 are provided with elastic members 105, ends of the second sub-housing 103 corresponding to the second storage part 1032 and the fourth storage part 1033 are provided with elastic members 105, the first and second curling portions 1041 and 1042 in this embodiment are equal to the first and second rims 1011 and 1012, respectively. The first constriction 1041, the first storage unit 1022, and the third storage unit 1032 are in an on state, and the second constriction 1042, the second storage unit 1032, and the fourth storage unit 1033 are in an on state.
The first storage unit 1022, the third storage unit 1032, the second storage unit 1032, and the fourth storage unit 1033 are each provided with an elastic member 105, and the elastic member 105 is preferably configured by one or two of a spring and an air bag. The first and second curling portions 1041 and 1042 in this embodiment are also provided with elastic members 105 corresponding to the center positions of the first and second rims 1011 and 1012, respectively. When the flexible display module 101 slowly stretches along with the first reel 1021 and the second reel 1031, the elastic member 105 compressed in the storage portion slowly stretches, and the rigid supporting member in the storage portion is slowly input into the crimping portion, so that the rigid supporting member 104 is continuously arranged in the crimping portion to increase the density of the rigid supporting member in the cavity.
When the flexible display module 101 slowly rolls down along with the connection 1031 of the first reel 1021 and the second reel, the elastic member 105 in the storage portion is compressed, the elastic members 105 of the first cavity and the second cavity corresponding to the center positions of the first frame 1011 and the second frame 1012 are stretched, and the rigid support member 104 slowly enters the storage portion from the roll-down portion. The surface of the rigid support 104 is coated with a flexible silica gel material, and the flexible silica gel material has elasticity and prestress and can buffer the collision stress of the rigid support 104.
As shown in fig. 4, an embodiment of the invention provides a schematic cross-sectional structure diagram of a receiving cavity of a rigid support in a rollable flexible display device. The rigid support structure 104 is a steel ball. The rigid supporting structures 104 are distributed in the first storage part 1022 and the third storage part 1032 in an array, the elastic member 105 is arranged between the rigid supporting structures 104, and the elastic member 105 and the rigid supporting structures 104 are in interference fit. The surface of the rigid support structure 104 is coated with a flexible silicone material, and the flexible silicone material has elasticity and prestress.
The application provides a flexible display device capable of being curled, which comprises a scroll, a flexible display module and a shell used for wrapping the scroll and the flexible display module, wherein the flexible display module is provided with a cavity along the curling direction, the cavity is provided with a plurality of movable rigid supporting pieces, the rigid supporting pieces can be curled or stretched along with the flexible display module, when the flexible display module is unfolded, the rigid supporting pieces fill the cavity and are sequentially arranged, the rigid supporting pieces are also connected with elastic pieces, and under the elastic action of the elastic pieces, a supporting body with certain rigidity is formed to protect the frame of the flexible display module; when the flexible display module is curled, the rigid supporting piece can enter the shell when the flexible display module is curled to the scroll, the rigidity of the display panel of the curled flexible display device after being stretched can be improved, and the friction resistance generated during stretching and contraction is reduced.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, therefore, the scope of the present invention shall be determined by the appended claims.
Claims (10)
1. A rollable flexible display device is characterized by comprising a scroll, a flexible display module and a shell for accommodating the scroll and the flexible display module;
the flexible display module is provided with a cavity along the curling direction, a plurality of rigid supporting pieces are movably arranged in the cavity, and the rigid supporting pieces are adjacent to each other and tightly matched with each other so as to support the curling or stretching flatness of the cavity and the flexible display module.
2. The rollable flexible display device according to claim 1, wherein the cavity comprises a rolled portion and a storage portion, the rolled portion is communicated with the storage portion, the storage portion is located in the housing, frames are disposed on two sides of the flexible display module, a back frame is disposed on a back portion of the flexible display module, and the rolled portion is located in the frames or the back frame.
3. A rollable flexible display device according to claim 2, wherein the rigid support is a steel ball located within the combined structure of the rolled portion and the storage portion.
4. A rollable flexible display device according to claim 1, wherein a resilient member is provided within the cavity, the resilient member being in interference fit with the rigid support member.
5. A rollable flexible display device according to claim 4, wherein the elastic member is one or a combination of a spring and an air bag.
6. A rollable flexible display device according to claim 1, wherein the rigid support is surface coated with a flexible silicone like material, the flexible silicone like material having elasticity and pre-stress.
7. The rollable flexible display device according to claim 1, wherein the housing comprises a first sub housing and a second sub housing, the first sub housing comprises a first roller, the second sub housing comprises a second roller, two ends of the flexible display module are respectively connected to the first roller and the second roller, the first roller and the second roller roll up the flexible display module at the same time, and the first sub housing and the second sub housing are assembled together after the flexible display module is completely rolled, wherein the first sub housing and the second sub housing are oppositely arranged and have the same shape.
8. The rollable flexible display device according to claim 7, wherein two sides of the first sub-housing away from the first roller are provided with a first storage portion and a second storage portion, respectively, two sides of the second sub-housing away from the second roller are provided with a third storage portion and a fourth storage portion, respectively, the rolled portion comprises a first rolled portion and a second rolled portion, the first storage portion, the first rolled portion and the third storage portion are conductive, and the second storage portion, the second rolled portion and the fourth storage portion are conductive.
9. The rollable flexible display device according to claim 8, wherein the first and second rolled portions are provided with the elastic member at positions corresponding to a center line of the flexible display module, and the first, second, third and fourth storage portions are provided with the elastic member therein.
10. The rollable flexible display device of claim 1, wherein the flexible display module is an OLED display module, a Mini-LED display module, or a Micro-LED display module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110148531.5A CN112908175B (en) | 2021-02-03 | 2021-02-03 | Flexible display device can curl |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110148531.5A CN112908175B (en) | 2021-02-03 | 2021-02-03 | Flexible display device can curl |
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| CN112908175A true CN112908175A (en) | 2021-06-04 |
| CN112908175B CN112908175B (en) | 2022-07-12 |
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| CN114613288A (en) * | 2022-03-31 | 2022-06-10 | 合肥维信诺科技有限公司 | Display module, display module manufacturing method and electronic equipment |
| CN114863812A (en) * | 2022-04-25 | 2022-08-05 | 武汉天马微电子有限公司 | Flexible display device and mobile terminal |
| CN115294876A (en) * | 2022-08-31 | 2022-11-04 | 昆山国显光电有限公司 | Winding support assembly and display device |
| WO2024050941A1 (en) * | 2022-09-05 | 2024-03-14 | 昆山国显光电有限公司 | Rolling assembly, flexible display device and mobile terminal |
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| CN109461385A (en) * | 2019-01-07 | 2019-03-12 | 云谷（固安）科技有限公司 | Flexible display apparatus |
| CN110209240A (en) * | 2019-04-30 | 2019-09-06 | 郭凯 | A kind of 3C electronic equipment of portable variable display area |
| CN110599913A (en) * | 2019-10-31 | 2019-12-20 | 云谷（固安）科技有限公司 | Flexible display panel and flexible display device |
| CN110853524A (en) * | 2019-12-09 | 2020-02-28 | 李美 | Flexible screen display |
| CN111402717A (en) * | 2020-03-31 | 2020-07-10 | 云谷（固安）科技有限公司 | Display mother board supporting structure |
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| CN113870712A (en) * | 2021-09-29 | 2021-12-31 | 武汉天马微电子有限公司 | Display device |
| CN113870712B (en) * | 2021-09-29 | 2023-09-26 | 武汉天马微电子有限公司 | Display device |
| CN114613288A (en) * | 2022-03-31 | 2022-06-10 | 合肥维信诺科技有限公司 | Display module, display module manufacturing method and electronic equipment |
| CN114613288B (en) * | 2022-03-31 | 2023-11-17 | 合肥维信诺科技有限公司 | Display module, display module manufacturing method and electronic equipment |
| CN114863812A (en) * | 2022-04-25 | 2022-08-05 | 武汉天马微电子有限公司 | Flexible display device and mobile terminal |
| CN115294876A (en) * | 2022-08-31 | 2022-11-04 | 昆山国显光电有限公司 | Winding support assembly and display device |
| CN115294876B (en) * | 2022-08-31 | 2023-12-08 | 昆山国显光电有限公司 | Winding support assembly and display device |
| WO2024050941A1 (en) * | 2022-09-05 | 2024-03-14 | 昆山国显光电有限公司 | Rolling assembly, flexible display device and mobile terminal |
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