CN109785758B - Folding display screen and display device - Google Patents
Folding display screen and display device Download PDFInfo
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- CN109785758B CN109785758B CN201910253241.XA CN201910253241A CN109785758B CN 109785758 B CN109785758 B CN 109785758B CN 201910253241 A CN201910253241 A CN 201910253241A CN 109785758 B CN109785758 B CN 109785758B
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Abstract
The invention provides a folding display screen and a folding display device, wherein the folding display screen comprises the folding display screen, a folding mechanism is arranged on the non-luminous side of the display screen, the folding mechanism comprises a fixed shaft, a first rotating part and a second rotating part, the first rotating part and the second rotating part are respectively connected with a first display area and a second display area, and the first rotating part and the second rotating part rotate along the fixed shaft to drive the first display area and the second display area to fold and unfold, so that the problems of folding fatigue, display screen failure and abnormal display caused by long-term folding of the folding area of the display screen are solved.
Description
Technical Field
The invention relates to the field of display screens, in particular to a folding display screen and a folding display device.
Background
Since an Organic Light-Emitting Diode (OLED for short) has characteristics of self-luminescence, flexibility and folding, so that terminal products such as mobile phones and computers are developed in a flexible way, but a flexible folding screen as a new display product still has a problem of folding fatigue and easy formation of 'dead fold' in a folding area due to limitation of a folding structure, so that the display screen is invalid and cannot be normally displayed.
Disclosure of Invention
In view of the above, embodiments of the present invention are directed to providing a foldable display screen, which is foldable by providing a folding mechanism including a fixed shaft and a rotating member on a non-light-emitting side of the display screen, and solves the problems of failure and abnormal display of the display screen.
According to an aspect of the present invention, an embodiment of the present invention provides a foldable display screen, including: the display screen comprises a middle display area, a first display area and a second display area, wherein the first display area and the second display area are arranged on two sides of the middle display area; the folding mechanism is arranged on the non-light-emitting side of the display screen and comprises a fixed shaft, a first rotating component and a second rotating component; one end of the first rotating component and one end of the second rotating component are respectively movably connected with the fixed shaft and can rotate along the circumferential direction of the fixed shaft; the middle display area is fixedly connected with the fixed shaft, the first display area and the second display area are respectively and fixedly connected with the other end of the first rotating component and the other end of the second rotating component, and the first rotating component and the second rotating component circumferentially rotate along the fixed shaft to drive the first display area and the second display area to fold and unfold.
In one embodiment, the first rotating member includes at least one first connecting column, one end of the first connecting column is movably connected with the fixed shaft, and the other end of the first connecting column is fixedly connected with the first display area; and/or the second rotating part comprises at least one second connecting column, one end of the second connecting column is movably connected with the fixed shaft, and the other end of the second connecting column is fixedly connected with the second display area.
In one embodiment, a gap is formed between adjacent first connecting columns and/or between adjacent second connecting columns.
In an embodiment, one end of the first connecting column and/or one end of the second connecting column are arc-shaped structures, and the fixing shaft is provided with an arc-shaped groove matched with the arc-shaped structures.
In one embodiment, each of the arc-shaped grooves is a groove structure with an arc surface, so that the flexibility of connection between the connecting column and the fixed shaft is ensured.
In one embodiment, the first connecting column and the second connecting column are symmetrically arranged along the fixed shaft, so that the design difficulty is simplified. And/or the first connecting column and the second connecting column are arranged along the fixed shaft in a staggered mode, so that the mutual interference effect of the first connecting column and the second connecting column in the folding process is reduced.
In an embodiment, a limiting plate for isolating the first connecting column from the second connecting column is disposed on the fixing shaft. Through set up the limiting plate on the fixed axle, can realize spacingly to first spliced pole and second spliced pole, the mutual contact extrusion of first display area and second display area when avoiding folding and lead to the wearing and tearing of first display area or second display area.
In one embodiment, the minimum distance between the first rotating member and the second rotating member is 3-5 mm. The flexible screen body is guaranteed to be folded within a limit range, and damage to the screen body is avoided.
In one embodiment, the angle between the first rotating member and the second rotating member is in the range of 0-360 degrees, preferably 0-180 degrees. The inward bending mode and the outward bending mode of the first display area and the second display area can be realized.
According to another aspect of the present invention, an embodiment of the present invention provides a foldable display device, including the foldable display screen as described in any one of the above.
According to the folding display screen provided by the embodiment of the invention, the folding mechanism comprising the fixed shaft, the first rotating part and the second rotating part is arranged on the non-luminous side of the display screen, the first rotating part and the second rotating part are respectively connected with the first display area and the second display area, and the first rotating part and the second rotating part are used for driving the first display area and the second display area to be folded and unfolded by rotating along the fixed shaft, so that the problems of folding fatigue, display screen failure and abnormal display caused by long-term folding of the folding area of the display screen are solved.
Drawings
Fig. 1 is a schematic structural diagram of a foldable display screen according to an embodiment of the present application.
Fig. 2a is a schematic structural diagram illustrating an unfolded state of the foldable display screen according to an embodiment of the present application.
Fig. 2b is a schematic structural diagram illustrating a folded state of the foldable display screen according to an embodiment of the present application.
Fig. 3 is a schematic structural diagram of a folding mechanism of a folding display screen according to an embodiment of the present application.
Fig. 4a is a schematic view of a connecting column structure according to an embodiment of the present application.
Fig. 4b is a partial structural schematic view of a fixing shaft according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a foldable display screen according to an embodiment of the present application. As shown in fig. 1, the folding display screen includes: the display screen comprises a display screen 1 and a folding mechanism 2 arranged on the non-light-emitting side of the display screen 1, wherein the display screen 1 comprises a middle display area 11, and a first display area 12 and a second display area 13 which are arranged on two sides of the middle display area 11; the folding mechanism 2 comprises a fixed shaft 21, a first rotating component 22 and a second rotating component 23; wherein, the fixed axle 21 is fixedly connected with the middle display area 11, one end of the first rotating member 22 is movably connected with the fixed axle 21 and can rotate along the circumferential direction of the fixed axle 21, specifically, the circumferential rotation is the rotation along the periphery of the fixed axle 11, the other end of the first rotating member 22 is fixedly connected with the first display area 12, one end of the second rotating member 23 is movably connected with the fixed axle 21 and can rotate along the circumferential direction of the fixed axle 21, and the other end of the second rotating member 23 is fixedly connected with the second display area 13; the first rotating member 22 and the second rotating member 23 rotate along the circumference of the fixed shaft 21 and drive the first display area 12 and the second display area 13 to fold and unfold.
Fig. 2a and fig. 2b are schematic structural diagrams illustrating an unfolded state and a folded state of a foldable display screen according to an embodiment of the present application. When the foldable display screen is in the unfolded state, the first rotating member 22 drives the first display area 12 to rotate along the fixing shaft 21 in the direction away from the second display area 13, and/or the second rotating member 23 drives the second display area 13 to rotate along the fixing shaft 21 in the direction away from the first display area 12, so as to unfold the foldable display screen until the first display area 12 and the second display area 13 are unfolded to the same plane (as shown in fig. 2 a). When the foldable display screen is in a folded state, the first rotating member 22 drives the first display area 12 to rotate along the fixing shaft 21 in a direction close to the second display area 13, and/or the second rotating member 23 drives the second display area 13 to rotate along the fixing shaft 21 in a direction close to the first display area 12, so as to fold the foldable display screen until the first display area 12 and the second display area 13 are folded to be parallel to each other (as shown in fig. 2 b). It should be understood that, in the embodiment of the present application, the first rotating member may drive the first display area to rotate along the fixing shaft to fold and unfold the foldable display screen, the second rotating member may drive the second display area to rotate along the fixing shaft to fold and unfold the foldable display screen, the first rotating member may drive the first display area to rotate along the fixing shaft, and the second rotating member may drive the second display area to rotate along the fixing shaft to fold and unfold the foldable display screen. The specific folding and unfolding rotating mode of the folding display screen is not limited in the application.
In this embodiment, the folding manner is inward folding, and more specifically, the folding display screen may also be outward folding, and the folding manner is similar to inward folding, which is not described herein.
Through the non-luminous side at folding display screen sets up the folding mechanism including the fixed axle, first rotating member and second rotating member, wherein, first rotating member and second rotating member set up to one end and connect the fixed axle, the other end connects first display area and second display area respectively, utilize first rotating member and second rotating member to rotate along the circumference of fixed axle, drive first display area and second display area and rotate around the fixed axle, with the folding and the expansion of realizing first display area and second display area, avoid the folding fatigue and the display screen inefficacy that the folding district long term folding of display screen arouses, the problem of unable normal display.
Fig. 3 is a schematic view illustrating a folding mechanism for folding a display screen according to an embodiment of the present application. As shown in fig. 3, the first rotating member 22 may include at least one first connection column 221, one end of the first connection column 221 is movably connected with the fixed shaft 21, and the other end is fixedly connected with the first display region 12; and/or the second rotating member 23 may include at least one second connection pole 231, one end of the second connection pole 231 is movably connected with the fixed shaft 21, and the other end is fixedly connected with the second display region 13.
Preferably, when the first rotating member 22 includes two or more first connecting columns 221, a gap is formed between adjacent first connecting columns 221; and/or when the second rotating member 23 includes two or more second coupling posts 231, a gap is formed between adjacent second coupling posts 231. This arrangement prevents the adjacent first connecting posts 221 or the adjacent second connecting posts 231 from rubbing against each other. Not only can guarantee the intensity of connecting, can improve the flexibility ratio of connecting moreover.
Through set up first spliced pole on first rotating member, perhaps set up the second spliced pole on the second rotating member, perhaps set up first spliced pole on first rotating member, set up the second spliced pole simultaneously on the second rotating member, utilize the one end and the fixed axle swing joint of first spliced pole or second spliced pole, the other end respectively with first display area and second display area fixed connection, first spliced pole and/or second spliced pole wind fixed axle circumferential direction and drive first display area and/or the motion of second display area in order to realize folding and the expansion of folding display screen. Through setting up at least one spliced pole, can reduce first rotating member or second rotating member's material, through the setting of at least one strong point, not only can guarantee the intensity of connecting, can improve the flexibility ratio of connecting moreover simultaneously.
It should be understood that the other end of the first connection post 221 is fixedly connected to the first display region 12, and the other end of the second connection post 231 is fixedly connected to the second display region 13. The fixed connection here can be any mode, as long as the fixation of the connecting column and the display area can be satisfied, and the connection mode of the first connecting column and the first display area and the connection mode of the second connecting column and the second display area are not specifically limited.
It should be understood that the number of the connecting columns can be selected according to different practical application scenes, the number of the selected connecting columns can meet folding requirements and supporting requirements of the folding display screen, and the specific number of the connecting columns is not limited in the embodiment of the application. In addition, according to the demand of practical application scene, this application embodiment can only set up first spliced pole on first rotating parts, also can only set up the second spliced pole on the second rotating parts, can also set up the second spliced pole on first rotating parts and second rotating parts simultaneously, and this application does not do the restriction to the concrete position that sets up of spliced pole.
Fig. 4a and 4b are partial schematic structural views of a connecting column and a fixing shaft provided in an embodiment of the present application. One end of the first connecting post 221 or one end of the second connecting post 231 may be in a circular arc structure (fig. 4a shows the first connecting post 221, and the structure of the second connecting post 231 is the same), and the fixed shaft 21 is provided with a circular arc groove 211 (as shown in fig. 4 b) matched with the circular arc structure. The first connecting column and the second connecting column are connected with one end of the fixed shaft through the arc-shaped structure, and the arc-shaped groove matched with the arc-shaped structure is formed in the fixed shaft, so that the first connecting column, the second connecting column and the fixed shaft are movably connected, the first rotating part and the second rotating part drive the first display area and the second display area to rotate circumferentially along the fixed shaft, and the folding and unfolding of the folding display screen are realized.
It should be understood that different structures of one end of the connecting column connected with the fixed shaft can be selected according to different practical application scenes, the selected structures can meet folding requirements of the folding display screen, and the specific structure of one end of the connecting column connected with the fixed shaft is not limited in the embodiment of the application. In addition, according to the requirement of an actual application scene, the first connecting column and the fixed shaft can be only arranged to be connected with one end of the fixed shaft to form an arc-shaped structure, the second connecting column and the fixed shaft can also be arranged to be connected with one end of the fixed shaft to form an arc-shaped structure, and the first connecting column and the fixed shaft can also be arranged to be connected with one end of the fixed shaft to form an arc-shaped structure and the second connecting column and the fixed shaft can also be arranged to form an arc.
In an embodiment, the arc-shaped groove may be a groove structure (as shown in fig. 4 b) in which each surface is an arc surface. Through setting up the groove structure that each face is the arc surface, guaranteed the flexibility of spliced pole with the fixed axle is connected, realized first rotating member or second rotating member and fixed axle swing joint. It should be understood that the groove structure with each surface being an arc surface is only an exemplary given structure in the present application, and different groove structures may be selected according to different requirements of application scenarios in the embodiment of the present application as long as the selected groove structure can meet the requirements of folding and unfolding of the foldable display screen, and the specific structure of the groove on the fixed shaft is not limited in the present application.
In one embodiment, the first connecting column 221 and the second connecting column 231 can be symmetrically disposed along the fixing shaft; and/or the first connecting column 221 and the second connecting column 231 can be arranged along the fixed shaft in a staggered manner. When the first rotating part is provided with the first connecting columns and the second rotating part is provided with the second connecting columns, the corresponding positions of the first connecting columns and the second connecting columns can be set according to the number of the first connecting columns and the second connecting columns and the requirement of the folding display screen, for example, when the number of the first connecting columns and the number of the second connecting columns are the same, the first connecting columns and the second connecting columns can be symmetrically arranged along the fixed shaft, so that the design difficulty is simplified; the first connecting column and the second connecting column can be arranged along the fixed shaft in a staggered mode, so that the mutual interference effect of the first connecting column and the second connecting column in the folding process is reduced. When the quantity of the first connecting columns is different from that of the second connecting columns, one part of the first connecting columns and one part of the second connecting columns can be symmetrically arranged along the fixed shaft, and the other part of the first connecting columns and the second connecting columns are arranged along the fixed shaft in a staggered mode.
It should be understood that, in the embodiment of the present application, the relative positions of the first connecting column and the second connecting column may be selected according to different practical application scenarios, as long as the selected relative positions of the first connecting column and the second connecting column can meet the folding and unfolding requirements of the foldable display screen, and the specific relative positions of the first connecting column and the second connecting column are not limited in the embodiment of the present application.
In one embodiment, the fixing shaft 21 may be provided with a limiting plate 212 for separating the first connecting rod 221 and the second connecting rod 231. Through set up the limiting plate on the fixed axle, can realize spacingly to first spliced pole and second spliced pole, guarantee that folding display screen can maintain after folding in the final fold condition of settlement (as shown in fig. 2 b), the wearing and tearing that lead to first display area or second display area of the mutual contact extrusion of first display area and second display area when avoiding folding effectively protect first display area and second display area. It should be understood that this application embodiment also can set up first limiting plate and second limiting plate respectively to first spliced pole and second spliced pole for it is spacing to carry out first spliced pole and second spliced pole respectively.
It should be understood that the shape of the limiting plate can be selected according to the requirements of practical application scenarios, for example, a block-shaped limiting structure can be arranged only at the positions of the grooves respectively corresponding to the first connecting column and the second connecting column, or a continuous plate-shaped limiting structure can be arranged at the middle positions of the grooves respectively corresponding to the first connecting column and the second connecting column, and the specific structure of the limiting plate is not limited in the embodiment of the application.
In an embodiment, the fixing shaft 21 may not be provided with the limiting plate 212, and the limiting function is achieved only by the interaction force when the first connecting column 221 and the second connecting column 231 are contacted when the fixing shaft is folded. In an embodiment, the folding mechanism 2 may be provided with a plurality of connecting columns arranged in a single row (fig. 3 shows a connecting column arranged in two rows), and one part of the plurality of connecting columns is connected with the first display area 12, and the other part is connected with the second display area 13, so that the limiting function is realized only by the interaction force when the first display area 12 and the second display area 13 are contacted during folding, or a limiting groove or a limiting block with the limiting function may be provided on the fixing shaft 21.
In an embodiment, the minimum distance between the first rotation member 22 and the second rotation member 23 may be 3-5 mm (e.g. distance d in fig. 2 b). Because the folding limit of a general flexible screen body is 3 millimeters, and the screen body of the folding display screen can be damaged when the folding limit exceeds 3 millimeters, the minimum distance between the first rotating part and the second rotating part is set to be 3-5 millimeters in the embodiment of the application, and the service life of the folding display screen is ensured on the basis of folding of the folding display screen. However, it should be understood that the minimum distance between the first rotating member and the second rotating member shown in the embodiment of the present application is only an exemplary distance range, and the present application may select a minimum distance between the first rotating member and the second rotating member that is different according to the requirements of the practical application scenarios, as long as the selected minimum distance between the first rotating member and the second rotating member satisfies the folding requirement of the folding display screen and does not damage the screen body of the folding display screen, and the embodiment of the present application does not limit the specific value of the minimum distance between the first rotating member and the second rotating member.
In an embodiment, an included angle (e.g., the included angle β in fig. 1) between the first rotating member 22 and the second rotating member 23 may range from 0 to 360 degrees, and both the inward bending and the outward bending of the first display area and the second display area may be implemented. Preferably, in order to realize that the first display area and the second display area are parallel when folded and are in the same plane when unfolded, the first rotating part and the second rotating part are arranged to rotate so that the included angle between the first rotating part and the second rotating part is in the range of 0-180 degrees, thereby ensuring the folding and unfolding of the folding display screen. It should be understood that, in the embodiment of the present application, an included angle range between the first rotating member and the second rotating member may be selected according to a requirement of an actual application scenario, as long as the selected included angle range between the first rotating member and the second rotating member can meet a requirement of actual folding, and a specific range of an included angle between the first rotating member and the second rotating member is not limited in the embodiment of the present application.
According to another aspect of the present invention, an embodiment of the present invention provides a foldable display device, including the foldable display screen as described in any one of the above. The folding mechanism comprises a fixed shaft, a first rotating part and a second rotating part, wherein the first rotating part and the second rotating part are arranged on the non-light-emitting side of the folding display screen, one end of the first rotating part and one end of the second rotating part are connected with the fixed shaft, the other end of the first rotating part and the other end of the second rotating part are respectively connected with a first display area and a second display area, the first rotating part and the second rotating part are driven to rotate around the fixed shaft in the circumferential direction, folding and unfolding of the first display area and the second display area are achieved, folding fatigue and display screen failure caused by long-term folding of the folding area of the display screen are avoided, and the problem of abnormal display is solved, so that the service life of the folding display device is ensured. Specifically, the foldable display device may be a smart phone, a smart tablet, a sports bracelet, or the like, and is not limited herein.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and the like that are within the spirit and principle of the present invention are included in the present invention.
Claims (7)
1. A foldable display screen, comprising:
the display screen comprises a middle display area, a first display area and a second display area, wherein the first display area and the second display area are arranged on two sides of the middle display area; and
the folding mechanism is arranged on the non-light-emitting side of the display screen and comprises a fixed shaft, a first rotating part and a second rotating part; one end of the first rotating component and one end of the second rotating component are respectively movably connected with the fixed shaft and can rotate along the circumferential direction of the fixed shaft;
the middle display area is fixedly connected with the fixed shaft, the first display area and the second display area are respectively and fixedly connected with the other end of the first rotating component and the other end of the second rotating component, and the first rotating component and the second rotating component circumferentially rotate along the fixed shaft to drive the first display area and the second display area to be folded and unfolded;
the first rotating part comprises at least one first connecting column, one end of the first connecting column is movably connected with the fixed shaft, and the other end of the first connecting column is fixedly connected with the first display area; and/or
The second rotating part comprises at least one second connecting column, one end of the second connecting column is movably connected with the fixed shaft, and the other end of the second connecting column is fixedly connected with the second display area;
one end of the first connecting column and/or one end of the second connecting column are of arc-shaped structures, arc-shaped grooves matched with the arc-shaped structures are formed in the fixed shaft, and each arc-shaped groove is of a groove structure with an arc surface.
2. A foldable display screen in accordance with claim 1, wherein there is a gap between adjacent first connecting posts and/or between adjacent second connecting posts.
3. The foldable display screen of claim 1, wherein the first connecting column and the second connecting column are symmetrically arranged along the fixed shaft and/or the first connecting column and the second connecting column are staggered along the fixed shaft.
4. The foldable display screen of claim 3, wherein the fixed shaft is provided with a limiting plate for separating the first connecting column from the second connecting column.
5. A foldable display screen in accordance with claim 1, wherein the minimum distance between the first rotational member and the second rotational member is 3-5 mm.
6. A foldable display screen according to claim 1, wherein the first rotation member is at an angle in the range 0-360 degrees, preferably 0-180 degrees, to the second rotation member.
7. A folding display device, comprising a folding display screen according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253241.XA CN109785758B (en) | 2019-03-29 | 2019-03-29 | Folding display screen and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910253241.XA CN109785758B (en) | 2019-03-29 | 2019-03-29 | Folding display screen and display device |
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| Publication Number | Publication Date |
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| CN109785758A CN109785758A (en) | 2019-05-21 |
| CN109785758B true CN109785758B (en) | 2021-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910253241.XA Active CN109785758B (en) | 2019-03-29 | 2019-03-29 | Folding display screen and display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110428730B (en) * | 2019-06-14 | 2022-05-20 | 深圳市长盈精密技术股份有限公司 | Folding display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR102341879B1 (en) * | 2015-01-14 | 2021-12-23 | 삼성디스플레이 주식회사 | Folderable display device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104282224A (en) * | 2013-07-09 | 2015-01-14 | Lg电子株式会社 | Display device |
| CN105491193A (en) * | 2015-12-29 | 2016-04-13 | 广东欧珀移动通信有限公司 | Foldable terminal with flexible screen |
| CN205596165U (en) * | 2016-03-29 | 2016-09-21 | 杭州安费诺飞凤通信部品有限公司 | Flexible screen mobile terminal's hinge and flexible screen mobile terminal |
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