CN114550594B - Biaxial symmetrical rotation bending mechanism - Google Patents
Biaxial symmetrical rotation bending mechanism Download PDFInfo
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- CN114550594B CN114550594B CN202210203056.1A CN202210203056A CN114550594B CN 114550594 B CN114550594 B CN 114550594B CN 202210203056 A CN202210203056 A CN 202210203056A CN 114550594 B CN114550594 B CN 114550594B
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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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- 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
- G09F9/33—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 being semiconductor devices, e.g. diodes
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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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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
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Abstract
The application provides a biaxial symmetrical rotary bending mechanism, comprising: the first bearing plane and the second bearing plane are arranged along the first horizontal plane and are adjacent to each other to respectively bear a non-bending area of the flexible panel, a rectangular part of the flexible panel, which is not borne by the bearing plane, is a bending area, and the first folding mechanism and the second folding mechanism which are folded in opposite directions respectively drive the first bearing plane and the second bearing plane to bend towards the plumb face so as to bend and deform the bending area, and a first rotating shaft corresponding to the first folding mechanism and a second rotating shaft corresponding to the second folding mechanism are positioned on a horizontal bisector of a projection area of the bending area in the plane coordinate system at intervals based on coordinates of the center of a projection pattern of the plane coordinate system, which is established on a vertical plane perpendicular to the length direction of the bending area. The application can prevent the screen from being concentrated by the stress caused by additional tension and pressure and non-tangency, effectively avoid crease generation and improve the overall quality of the curved screen product.
Description
Technical Field
The application relates to the field of curved display panel manufacturing equipment, in particular to a biaxial symmetrical rotating bending mechanism.
Background
The curved screen is a display screen adopting flexible plastics and is mainly realized by an OLED panel. Compared with a straight screen, the curved screen has better elasticity and is not easy to break. The curved screen takes non-rigid glass as a substrate, so that the curved screen has better elasticity and is not easy to break. The abrasion probability of the screen is reduced, and particularly, the mobile phone screen with higher touched rate is reduced. When the device is used for a mobile phone, the whole curved surface screen is favorable for holding, is better attached to the palm radian, reduces the distance of a thumb touching the screen during single-hand operation, and is theoretically favorable for improving the experience of transverse screen-crossing operation under a large-size screen; the seemingly subtle curve can enable the mobile phone holder to have better information privacy, such as that a person sitting at the side cannot see the content displayed on the mobile phone screen. The screen can be made thinner, light in weight and low in power consumption. Curved screens increase the viewing angle so that they perform well even when viewed at off-center angles. The curved surface not only overturns the appearance form of the television, but also obviously improves the watching comfort level, and is a great step in the development of the appearance of the television. And is also a challenge and challenge for vendor technology.
Since the flexible display panel has thin, lightweight and bendable characteristics, the flexible display panel has been applied to various applications. The flexible display panel can be folded or rolled to reduce the occupied space. In the case of bending, the tension applied to the flexible display panel must be controlled, and the flexible display panel itself cannot be pressed to form permanent folds, and the flexible display panel needs to be supported over its entire surface in use.
Therefore, there is a need for a bending mechanism that can effectively avoid folds caused by extrusion during bending.
Disclosure of Invention
Aiming at the problems in the prior art, the application aims to provide the biaxial symmetrical rotating bending mechanism, overcomes the difficulty in the prior art, can prevent the screen from being subjected to stress concentration caused by additional tension and pressure and non-tangency, effectively avoids crease generation and improves the overall quality of curved screen products.
An embodiment of the present application provides a biaxial symmetrical rotary bending mechanism, including:
adjacent first and second bearing planes arranged along the first horizontal plane respectively bear non-bending regions of the flexible panel, rectangular portions of the flexible panel not borne by the bearing planes are bending regions, and coordinates of centers of projected patterns of long sides of the bending regions respectively corresponding to the first and second bearing planes in a plane coordinate system established based on a vertical plane perpendicular to a length direction of the bending regions are first reference points a (X A ，Y A ) And a second reference point B (X B ，Y B ) The long side of the bending area is parallel to the rotation axis; the width of the short side of the bending area is pi R, and R is a preset bending radius;
the first turnover mechanism and the second turnover mechanism which are folded in opposite directions respectively drive the first bearing plane and the second bearing plane to bend towards the plumb face so as to bend and deform the bending region, and a first rotating shaft corresponding to the first turnover mechanism and a second rotating shaft corresponding to the second turnover mechanism are positioned on a horizontal bisector of the bending region in a projection region of the plane coordinate system at intervals based on coordinates of the center of the projection pattern of the plane coordinate system.
Preferably, the first rotation axis overlaps with the coordinates of the long side of the first bearing corresponding bending region in the center of the first projection pattern in the planar coordinate system based on the first projection point in the planar coordinate system;
the second rotation axis overlaps with the coordinates of the center of the second projection pattern in the planar coordinate system based on the second projection point in the planar coordinate system and the long side of the bending region corresponding to the second bearing.
Preferably, during the closing of the opposite sides,
the abscissa of the first reference point A
Ordinate of first reference point A
The abscissa of the second reference point B
Ordinate of the second reference point B
α 1 ＝-ωt，α 2 And (ω) is the angular velocity of bending at which the radian corresponding to the included angle formed between the first bearing plane and the second bearing plane is equal to t, and t is the time of bending.
Preferably, the long side of the first bearing corresponding bending region is based on the center of a first projection pattern in the plane coordinate system, the long side of the second bearing corresponding bending region is based on the center of a second projection pattern in the plane coordinate system, the first rotation axis is based on a third projection point in the plane coordinate system, and the second rotation axis is based on a fourth projection point in the plane coordinate system and is collinear.
Preferably, the first distance between the third projection point and the fourth projection point is 2R.
Preferably, the third projection point and the center of the first projection pattern form a second interval, the fourth projection point and the center of the second projection pattern form a third interval, and the second interval is equal to the third interval.
Preferably, during the closing of the opposite sides,
radial coordinates of the first reference point A
The tangential coordinate of the first reference point A is unchanged;
radial coordinates of the second reference point B
The tangential coordinates of the second reference point B are unchanged;
α 1 ＝-ωt，α 2 and (ω) is the angular velocity of bending at which the radian corresponding to the included angle formed between the first bearing plane and the second bearing plane is equal to t, and t is the time of bending.
Preferably, the first bearing plane and the second bearing plane are vacuum suction plates for sucking the flexible panel.
The application aims to provide a biaxial symmetrical rotating bending mechanism, which can prevent a screen from being subjected to stress concentration caused by additional tensile pressure and non-tangency, effectively avoid crease generation and improve the overall quality of a curved screen product.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings.
FIG. 1 is a schematic view of a first rotationally symmetrical bending mechanism according to the present application.
FIG. 2 is a schematic diagram of a second rotationally symmetrical bending mechanism according to the present application.
Reference numerals
1. A first bearing plane
2. Non-bending region
3. First projection point
4. Bending region
5. Second projection point
6. A second bearing plane
7. Third projection point
8. Fourth projection point
L level middle branching
Detailed Description
Other advantages and effects of the present application will be readily apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present application by way of specific examples. The application may be practiced or carried out in other embodiments and with various details, and various modifications and alterations may be made to the details of the application from various points of view and applications without departing from the spirit of the application. It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other.
The embodiments of the present application will be described in detail below with reference to the attached drawings so that those skilled in the art to which the present application pertains can easily implement the present application. This application may be embodied in many different forms and is not limited to the embodiments described herein.
In the context of the present description, reference to the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples, as well as features of various embodiments or examples, presented herein may be combined and combined by those skilled in the art without conflict.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the context of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
For the purpose of clarity of explanation of the present application, components that are not related to the explanation are omitted, and the same or similar components are given the same reference numerals throughout the description.
Throughout the specification, when a device is said to be "connected" to another device, this includes not only the case of "direct connection" but also the case of "indirect connection" with other elements interposed therebetween. In addition, when a certain component is said to be "included" in a certain device, unless otherwise stated, other components are not excluded, but it means that other components may be included.
When a device is said to be "on" another device, this may be directly on the other device, but may also be accompanied by other devices therebetween. When a device is said to be "directly on" another device in contrast, there is no other device in between.
Although the terms first, second, etc. may be used herein to connote various elements in some instances, the elements should not be limited by the terms. These terms are only used to distinguish one element from another element. For example, a first interface, a second interface, etc. Furthermore, as used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including" specify the presence of stated features, steps, operations, elements, components, items, categories, and/or groups, but do not preclude the presence, presence or addition of one or more other features, steps, operations, elements, components, items, categories, and/or groups. The terms "or" and/or "as used herein are to be construed as inclusive, or meaning any one or any combination. Thus, "A, B or C" or "A, B and/or C" means "any of the following: a, A is as follows; b, a step of preparing a composite material; c, performing operation; a and B; a and C; b and C; A. b and C). An exception to this definition will occur only when a combination of elements, functions, steps or operations are in some way inherently mutually exclusive.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the language clearly indicates the contrary. The meaning of "comprising" in the specification is to specify the presence of stated features, regions, integers, steps, operations, elements, and/or components, but does not preclude the presence or addition of other features, regions, integers, steps, operations, elements, and/or components.
Although not differently defined, including technical and scientific terms used herein, all have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The term addition defined in the commonly used dictionary is interpreted as having a meaning conforming to the contents of the related art document and the current hint, so long as no definition is made, it is not interpreted as an ideal or very formulaic meaning too much.
FIG. 1 is a schematic view of a first rotationally symmetrical bending mechanism according to the present application. As shown in fig. 1, a first biaxial symmetrical rotary bending mechanism of the present application includes: adjacent first bearing plane 1 and second bearing plane 6 arranged along the first horizontal plane, wherein the first bearing plane 1 and the second bearing plane 6 are vacuum suction plates for sucking the flexible panel, the non-bending areas 2 of the flexible panel are respectively borne, and the rectangular parts of the flexible panel which are not borne by the bearing planes are bending areas4, the coordinates of the centers of the projected patterns of the long sides of the bending regions 4 corresponding to the first and second carrying planes 1 and 6, respectively, in a plane coordinate system established based on the vertical plane perpendicular to the longitudinal direction of the bending regions 4 are the first reference points a (X A ，Y A ) And a second reference point B (X B ，Y B ) The long side of the bending zone 4 is parallel to the axis of rotation. The width of the short side of the bending region 4 is pi R, R being a preset bending radius. The first turnover mechanism and the second turnover mechanism which are folded in opposite directions respectively drive the first bearing plane 1 and the second bearing plane 6 to bend towards the plumb face so as to bend and deform the bending region 4, and a first rotating shaft corresponding to the first turnover mechanism and a second rotating shaft corresponding to the second turnover mechanism are positioned on a horizontal middle branching line L of the bending region 4 in a projection region of the plane coordinate system based on the coordinate interval of the center of the projection pattern of the plane coordinate system. Wherein the first rotation axis overlaps the first projection point 3 in the planar coordinate system with the coordinates of the long side of the first bearing corresponding bending region 4 in the center of the first projection pattern in the planar coordinate system. The second rotation axis overlaps in the plane coordinate system based on the coordinates of the second projection point 5 and the center of the second projection pattern of the long side of the second bearing corresponding bending region 4 in the plane coordinate system. In the present embodiment of the present application,
in this embodiment, the first turnover mechanism drives the first bearing plane 1 to rotate (along the V1 direction) based on the first rotation axis (corresponding to the first projection point 3),
the second turnover mechanism drives the second bearing plane 2 to rotate based on a second rotation shaft (corresponding to a second projection point 5), so that the first bearing plane 1 and the second bearing plane 2 jointly complete opposite folding, and the bending area 4 is bent and deformed, and in the opposite folding process,
the abscissa of the first reference point A
Ordinate of first reference point A
The abscissa of the second reference point B
Ordinate of the second reference point B
α 1 ＝-ωt，α 2 And ωt, ω is the angular velocity of bending at which the radian corresponding to the angle formed between the first bearing plane 1 and the second bearing plane 6, and t is the time of bending.
And in the matched folding movement of the first bearing plane 1 and the second bearing plane 2 and the first folding mechanism and the second folding mechanism, the folded object can not be subjected to stress concentration caused by additional tensile pressure and non-tangency, but the folding movement is not limited to the stress concentration.
FIG. 2 is a schematic diagram of a second rotationally symmetrical bending mechanism according to the present application. As shown in fig. 2, the second biaxial symmetrical rotary bending mechanism of the present application includes: adjacent first bearing plane 1 and second bearing plane 6 arranged along the first horizontal plane, wherein the first bearing plane 1 and the second bearing plane 6 are vacuum suction plates for sucking the flexible panel, the non-bending area 2 of the flexible panel is respectively borne, the rectangular part of the flexible panel which is not borne by the bearing plane is a bending area 4, the coordinates of the center of a projection pattern of the long side of the bending area 4 corresponding to the first bearing plane 1 and the second bearing plane 6 in a plane coordinate system established based on a plumb plane perpendicular to the length direction of the bending area 4 are respectively a first reference point A (X A ，Y A ) And a second reference point B (X B ，Y B ) The long side of the bending zone 4 is parallel to the axis of rotation. The width of the short side of the bending region 4 is pi R, R being a preset bending radius. The first turnover mechanism and the second turnover mechanism which are folded in opposite directions respectively drive the first bearing plane 1 and the second bearing plane 6 to bend towards the plumb face so as to bend and deform the bending area 4, and a first rotating shaft corresponding to the first turnover mechanism and a second rotating shaft corresponding to the second turnover mechanism are positioned at intervals based on the coordinates of the center of the projection pattern of the plane coordinate systemThe curved region 4 is separated by a line L in the horizontal direction of the projection region of the planar coordinate system. The coordinates of the first projection point 3 in the plane-based coordinate system with the first rotation axis in fig. 1 and the center of the first projection pattern of the long side of the bending region 4 corresponding to the first bearing in the plane coordinate system overlap; the second rotation axis is different in a structure based on that the second projection point 5 overlaps with the coordinates of the long side of the second bearing corresponding bending region 4 in the center of the second projection pattern in the plane coordinate system, and in fig. 2, the long side of the first bearing corresponding bending region 4 is based on the center of the first projection pattern in the plane coordinate system, the long side of the second bearing corresponding bending region 4 is based on the center of the second projection pattern in the plane coordinate system, the first rotation axis is based on the third projection point 7 in the plane coordinate system, and the second rotation axis is based on the fourth projection point 8 in the plane coordinate system. The first distance between the third projection point 7 and the fourth projection point 8 is 2R. The third projection points 7 and the center of the first projection pattern form a second interval, the fourth projection points 8 and the center of the second projection pattern form a third interval, and the second interval is equal to the third interval.
In this embodiment, the first folding mechanism (along the V1 direction) drives the first carrying plane 1 to rotate based on the first rotation axis (corresponding to the third projection point 7), the second folding mechanism (along the V2 direction) drives the second carrying plane 2 to rotate based on the second rotation axis (corresponding to the fourth projection point 8), so that the first carrying plane 1 and the second carrying plane 2 together complete opposite folding, so that the bending region 4 is bent and deformed, and in the opposite folding process,
radial coordinates of the first reference point A
The tangential coordinates of the first reference point a are unchanged.
Radial coordinates of the second reference point B
The tangential coordinates of the second reference point B are unchanged.
α 1 ＝-ωt，α 2 And ωt, ω is the angular velocity of bending at which the radian corresponding to the angle formed between the first bearing plane 1 and the second bearing plane 6, and t is the time of bending.
And in the matched folding movement of the first bearing plane 1 and the second bearing plane 2 and the first folding mechanism and the second folding mechanism, the folded object can not be subjected to stress concentration caused by additional tensile pressure and non-tangency, but the folding movement is not limited to the stress concentration.
In summary, the application aims to provide a biaxial symmetrical rotating bending mechanism, which can prevent a screen from being subjected to stress concentration caused by additional tensile pressure and non-tangency, effectively avoid crease generation and improve the overall quality of a curved screen product.
The foregoing is a further detailed description of the application in connection with the preferred embodiments, and it is not intended that the application be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the application, and these should be considered to be within the scope of the application.
Claims (5)
1. A biaxial symmetrical rotary bending mechanism, comprising:
adjacent first bearing plane (1) and second bearing plane (6) arranged along a first horizontal plane respectively bear a non-bending area (2) of the flexible panel, a rectangular part of the flexible panel which is not borne by the bearing plane is a bending area (4), and coordinates of centers of long sides of the bending areas (4) respectively corresponding to the first bearing plane (1) and the second bearing plane (6) in a plane coordinate system established based on a plumb plane perpendicular to the length direction of the bending area (4) are respectively a first reference point A (X) A ，Y A ) And a second reference point B (X B ，Y B )；
The first turnover mechanism and the second turnover mechanism which are folded in opposite directions respectively drive the first bearing plane (1) and the second bearing plane (6) to bend towards a plumb face so as to bend and deform the bending region (4), a first rotating shaft corresponding to the first turnover mechanism and a second rotating shaft corresponding to the second turnover mechanism are positioned on a horizontal bisector of the bending region (4) in a projection region of the plane coordinate system at intervals based on the coordinates of the center of a projection pattern of the plane coordinate system, and the long side of the bending region (4) is parallel to the rotating shaft; the width of the short side of the bending area (4) is pi R, and R is a preset bending radius;
the first rotation axis is overlapped in the coordinates based on the center of a first projection pattern of a long side of a bending area (4) corresponding to a first bearing plane of a first projection point (3) in the plane coordinate system; the second rotation axis is overlapped in the coordinates based on the center of a second projection pattern of the long side of a bending area (4) corresponding to the second bearing plane of a second projection point (5) in the plane coordinate system; in the process of the folding in the opposite direction,
the abscissa of the first reference point A
Ordinate of first reference point A
The abscissa of the second reference point B
Ordinate of the second reference point B
α 1 ＝-ωt，α 2 And (ω) is the angular velocity of bending at which the radian corresponding to the included angle formed between the first bearing plane (1) and the second bearing plane (6), and t is the time of bending.
2. The biaxial symmetrical rotary bending mechanism according to claim 1, wherein the first bearing plane (1) and the second bearing plane (6) are vacuum suction plates that suck the flexible panel.
3. A biaxial symmetrical rotary bending mechanism, comprising:
adjacent first bearing plane (1) and second bearing plane (6) arranged along a first horizontal plane respectively bear a non-bending area (2) of the flexible panel, a rectangular part of the flexible panel which is not borne by the bearing plane is a bending area (4), and coordinates of centers of long sides of the bending areas (4) respectively corresponding to the first bearing plane (1) and the second bearing plane (6) in a plane coordinate system established based on a plumb plane perpendicular to the length direction of the bending area (4) are respectively a first reference point A (X) A ，Y A ) And a second reference point B (X B ，Y B )；
The first turnover mechanism and the second turnover mechanism which are folded in opposite directions respectively drive the first bearing plane (1) and the second bearing plane (6) to bend towards a plumb face so as to bend and deform the bending region (4), a first rotating shaft corresponding to the first turnover mechanism and a second rotating shaft corresponding to the second turnover mechanism are positioned on a horizontal bisector of the bending region (4) in a projection region of the plane coordinate system at intervals based on the coordinates of the center of a projection pattern of the plane coordinate system, and the long side of the bending region (4) is parallel to the rotating shaft; the width of the short side of the bending area (4) is pi R, and R is a preset bending radius; the long side of the bending area (4) corresponding to the first bearing plane is based on the center of a first projection pattern in the plane coordinate system, the long side of the bending area (4) corresponding to the second bearing plane is based on the center of a second projection pattern in the plane coordinate system, a third projection point (7) of the first rotation axis in the plane coordinate system and a fourth projection point (8) of the second rotation axis in the plane coordinate system are collinear; in the process of the folding in the opposite direction,
radial coordinates of the first reference point A
The tangential coordinate of the first reference point A is unchanged;
radial coordinates of the second reference point B
The tangential coordinates of the second reference point B are unchanged;
α 1 ＝-ωt，α 2 and (ω) is the angular velocity of bending at which the radian corresponding to the included angle formed between the first bearing plane (1) and the second bearing plane (6), and t is the time of bending.
4. A rotationally symmetrical bending mechanism according to claim 3, characterized in that the first distance between the third projection point (7) and the fourth projection point (8) is 2R.
5. The biaxial symmetrical rotary bending mechanism according to claim 4, wherein the third projection point (7) forms a second pitch with the center of the first projection pattern, the fourth projection point (8) forms a third pitch with the center of the second projection pattern, and the second pitch is equal to the third pitch.
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| CN202210203056.1A CN114550594B (en) | 2022-03-02 | 2022-03-02 | Biaxial symmetrical rotation bending mechanism |
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| CN202210203056.1A CN114550594B (en) | 2022-03-02 | 2022-03-02 | Biaxial symmetrical rotation bending mechanism |
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| CN205670419U (en) * | 2016-06-15 | 2016-11-02 | 京东方科技集团股份有限公司 | A kind of virtual curved face display floater and display device |
| CN106611592A (en) * | 2017-02-21 | 2017-05-03 | 京东方科技集团股份有限公司 | Display method, device and system based on flexible display screen |
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| KR20200091368A (en) * | 2019-09-04 | 2020-07-30 | 삼성디스플레이 주식회사 | Foldable display device |
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| CN112086032A (en) * | 2020-10-13 | 2020-12-15 | 联想(北京)有限公司 | Display device and computing device |
| CN113593416A (en) * | 2021-08-04 | 2021-11-02 | 武汉华星光电半导体显示技术有限公司 | Folding display device |
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