CN114627761A - Folding screen and display device - Google Patents
Folding screen and display device Download PDFInfo
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- CN114627761A CN114627761A CN202210192741.9A CN202210192741A CN114627761A CN 114627761 A CN114627761 A CN 114627761A CN 202210192741 A CN202210192741 A CN 202210192741A CN 114627761 A CN114627761 A CN 114627761A
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- 238000000926 separation method Methods 0.000 description 5
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- 230000007423 decrease Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000004804 winding Methods 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 1
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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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Abstract
The invention provides a folding screen and a display device. The folding screen comprises a folding frame and a flexible display panel fixed on the folding frame. The folding frame comprises an outer frame body, at least two sliding grooves and at least one sliding shaft. The outer frame body is provided with at least two hinged points, and the outer frame body is folded or unfolded through the hinged points. The sliding groove is arranged on one surface of the outer frame body facing the flexible display panel, and the orthographic projection of the sliding groove on the outer frame body is superposed with the orthographic projection of the hinge point on the folding rod. Two ends of the sliding shaft are respectively arranged in the two sliding grooves. The diameter of the sliding shaft is smaller than the length of the sliding groove. When the folding screen is folded, the flexible display panel bends around the sliding shaft, and the sliding shaft moves in the sliding groove along with bending stress generated when the flexible display panel bends.
Description
Technical Field
The invention relates to the field of display equipment, in particular to a folding screen and a display device
Background
The foldable screen is one of the future display technology directions, and the display device can be switched between a tablet mode and a mobile phone mode. The folding screen is divided into an inner folding screen and an outer folding screen according to the folding direction. The screen body bending part of the inward-folding screen generally bears the pressure generated by the extrusion of the panel, and the screen body bending part of the outward-folding screen bears the tensile force generated by the stretching of the panel. In the past, the bending part of the folding screen is affected by relevant stress generated during bending to have the problems of fracture, bending mark, panel film separation and the like, and the panel display failure can be seriously caused.
Disclosure of Invention
The invention aims to provide a folding screen and a display device, and aims to solve the problems of fracture, crease, film separation, panel failure and the like caused by the influence of bending stress on a bending part of the folding screen in the prior art.
In order to achieve the above object, the present invention provides a foldable screen, which has at least one bending area and at least two display areas, wherein the display areas are respectively located at two ends of the bending area. The folding screen comprises a folding frame and a flexible display panel fixed on the folding frame.
The folding frame comprises an outer frame body, at least two sliding grooves and at least one sliding shaft. The outer frame body is provided with at least two hinge points, the hinge points are located in the bending areas, and the outer frame body is folded or unfolded through the hinge points. The sliding groove is arranged on one surface of the outer frame body facing the flexible display panel, and the orthographic projection of the sliding groove on the outer frame body is superposed with the orthographic projection of the hinge point on the folding rod. Two ends of the sliding shaft are respectively arranged in the two sliding grooves. The diameter of the sliding shaft is smaller than the length of the sliding groove.
When the folding screen is folded, the flexible display panel bends around the sliding shaft, and the sliding shaft moves in the sliding groove along with bending stress generated when the flexible display panel bends.
Further, the outer frame body comprises at least two side rods and at least two folding rods. The side rods are located outside the bending area, and two ends of the flexible display panel are respectively fixed on one side rod. The folding rod with the limit pole interval sets up and end to end, each all be equipped with on the folding rod at least one the pin joint and at least one the sliding tray.
Furthermore, the folding screen further comprises a magnetic suction device, and the magnetic suction device is arranged at two ends of the sliding shaft and in the folding rod. In the folding rod, the magnetic attraction device corresponds to the sliding groove and the side rod.
Furthermore, when the folding screen is provided with at least two bending areas and at least three display areas, at least two hinge points and at least two sliding grooves are arranged on the folding rod, the folding frame comprises at least two sliding shafts, and the hinge points, the sliding grooves and the sliding shafts are respectively positioned in each bending area.
When the folding screen is folded, the moving directions of two adjacent hinge points on the folding rod are opposite, and the bending directions of the flexible display panel in two adjacent bending areas are also opposite.
Further, the folding bar comprises at least two main bars and at least one connecting bar. Each main rod is provided with at least one sliding groove. The connecting rod is arranged on one surface of the main rod, which is far away from the sliding groove. The main rod is respectively positioned at two ends of the connecting rod and is hinged with the connecting rod to form the hinge point.
When the folding rod is folded, two adjacent main rods are parallel to each other, and the connecting rod and the two adjacent main rods form a Z-shaped structure.
Further, when the folding screen is folded, two adjacent sliding shafts are respectively positioned on the display surface and the back surface of the flexible display panel.
Furthermore, a moving groove is formed in the main rod, faces the surface of the flexible display panel, of the main rod, and is communicated with the sliding groove.
Furthermore, the side bar comprises at least one fixed bar and at least one rotating bar. The US otto fixing lever is fixedly mounted at one end of the folding lever. The dwang can be installed by the rotary mode the other end of folding rod.
Further, the sliding shaft is a stylus pen.
The invention also provides a display device, which comprises the folding screen.
The invention has the advantages that: according to the folding screen and the display device, the length of the sliding groove is increased, so that the sliding shaft slightly moves when being subjected to bending stress, partial bending stress is relieved on the premise that the tensioning of the flexible display panel is not influenced, and the stress borne by the flexible display panel is relieved, so that the problems of cracks, folds, film layer separation, panel failure and the like of the flexible display panel due to the bending stress are solved, and the service life of the folding screen is prolonged.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a perspective view of a folded screen according to an embodiment of the present invention when unfolded;
FIG. 2 is a perspective view of the folded frame of an embodiment of the present invention when unfolded;
FIG. 3 is a front view of the folding frame of an embodiment of the present invention as folded;
FIG. 4 is a front view of the folded frame of an embodiment of the present invention after folding;
FIG. 5 is a perspective view of a folding bar in an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the structure in box A of FIG. 2;
fig. 7 is a schematic cross-sectional view of the folded screen according to the embodiment of the present invention.
The components in the figures are represented as follows:
a folding screen 100; a display area 110;
a bending region 120; a first region 111;
a second region 121; a third zone 112;
a fourth region 122; a fifth region 113;
a flexible display panel 1; a display surface 11;
a back side 12; folding the frame 2:
an outer frame body 21; a folding bar 211;
a main stem 2111; a connecting rod 2112;
a fixing groove 2113; a slide groove 2114;
a movement slot 2115; a side bar 212;
a fixing rod 2121; a rotating rod 2122;
the first slide shaft 231; and a second sliding shaft 232.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, which are included to demonstrate that the invention can be practiced, and to provide those skilled in the art with a complete description of the invention so that the technical content thereof will be more clear and readily understood. The present invention may be embodied in many different forms of embodiments and should not be construed as limited to the embodiments set forth herein.
In the drawings, structurally identical elements are represented by like reference numerals, and structurally or functionally similar elements are represented by like reference numerals throughout the several views. The size and thickness of each component shown in the drawings are arbitrarily illustrated, and the present invention is not limited to the size and thickness of each component. The thickness of the components may be exaggerated where appropriate in the figures to improve clarity.
Furthermore, the following description of the various embodiments of the invention refers to the accompanying drawings that illustrate specific embodiments of the invention, by which the invention may be practiced. Directional phrases used in this disclosure, such as, for example, "upper," "lower," "front," "rear," "left," "right," "inner," "outer," "side," and the like, refer only to the orientation of the appended drawings and are, therefore, used herein for better and clearer illustration and understanding of the invention, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
When certain components are described as being "on" another component, the components can be directly on the other component; there may also be an intermediate member disposed on the intermediate member and the intermediate member disposed on the other member. When an element is referred to as being "mounted to" or "connected to" another element, they may be directly "mounted to" or "connected to" the other element or indirectly "mounted to" or "connected to" the other element through an intermediate element.
In the embodiment of the present invention, a foldable screen 100 is provided, as shown in fig. 1, where the foldable screen 100 includes a foldable frame 2 and a flexible display panel 1 fixed on the foldable frame 2. The flexible display panel 1 has a display surface 11 and a back surface 12, which are oppositely disposed, and the display surface 11 is used for displaying a picture.
The folding screen 100 has three display areas 110 and two bending areas 120 connecting the display areas 110. The display region 110 includes a first region 111, a third region 112, and a fifth region 113, the bending region 120 includes a second region 121 and a fourth region 122, the second region 121 is located between the first region 111 and the third region 112, and the fourth region 122 is located between the third region 112 and the fifth region 113.
When the foldable screen 100 is unfolded, the whole display surface 11 of the flexible display panel 1 can display pictures, so that a large-screen flat panel display effect is realized. When the folding screen 100 is folded, the flexible display screen 1 in the third area 112, the fourth area 122 and the fifth area 113 cannot be viewed because the flexible display screen is folded to the back of the first area 111, and then only the display pictures of the flexible display panel 1 in the first area 111 and the second area 121 are reserved, so that the display effect of a small-screen mobile phone is realized.
As shown in fig. 1-2, the folding frame 2 includes an outer frame 21 and two sliding shafts 23. The sliding shafts 23 are mounted on the outer frame 21 and are located in the second and fourth sections 121 and 122, respectively.
The outer frame 21 includes two folding bars 211 and two side bars 212. The folding rods 211 and the side rods 212 are alternately connected end to form a rectangular frame as shown in fig. 2, and two ends of the flexible display panel 1 are respectively fixed on the two side rods 212 which are oppositely arranged.
As shown in fig. 1 to 4, each folding bar 211 includes two main bars 2111 and a connecting bar 2112, the main bars 2111 and the connecting bars 2112 are sequentially spaced apart, and the connecting bar 2112 is located on a surface of the main bar 2111 away from the side bar 212 and the sliding shaft 23. One ends of the two main bars 2111 are hinged to both ends of the connecting bar 2112, respectively, to form two hinge points 213, and the two hinge points 213 are located in the second and fourth regions 121 and 122, respectively. The folding rod 211 rotates the main rod 2111 and the connecting rod 2112 through the hinge point 213, thereby realizing the bending folding or the straightening unfolding of the outer frame 21.
During the bending and folding of the folding bar 211, as shown in fig. 3, the two hinge points 213 move in opposite directions to keep the two main bars 2111 parallel to each other, the connecting bar 2112 and the two main bars 2111 form a zigzag configuration, and the angle between the connecting bar 2112 and the two main bars 2111 decreases as the horizontal distance between the two main bars 2111 decreases.
When the folding bar 211 is completely folded, as shown in fig. 4, since the connecting bar 2112 is located at the same side of the two main bars 2111, the two main bars 2111 can be stacked up and down, and the connecting bar 2112 is not sandwiched between the two main bars 2111, so that the thickness space occupied by the connecting bar 2112 in the prior art is completely reduced, and the thickness of the folded screen 100 is reduced.
When the folding bar 211 is folded, as shown in fig. 7, under the driving action of the folding bar 211 and the supporting and tensioning action of the side bar 212 and the sliding shaft 23, the flexible display panel 1 is also in a "Z" shape overlapping structure along with the folding bar 211, so as to facilitate the folding screen 100 to realize a "Z" shape folding. And, since the movement directions of the hinge point 213 of the second region 121 and the hinge point 213 in the fifth region 113 are opposite, the bending directions of the flexible display panel 1 in the two bending regions 120 are also opposite, so that the sliding of the folding screen 100 during bending shears.
As shown in fig. 1, 2 and 5, each folding bar 211 is further provided with two fixing slots 2113, two sliding slots 2114 and two moving slots 2115. The fixing groove 2113, the sliding groove 2114, and the moving groove 2115 are provided on a surface of the folding bar 211 facing the flexible display panel 1. The moving groove 2115 communicates the fixing groove 2113 with the sliding groove 2114, so that the sliding shaft 23 can move from the sliding groove 2114 to both ends of the folding bar 211.
The two fixing slots 2113 are respectively disposed on the two main bars 2111 and located at an end of the main bar 2111 away from the bending region 120, that is, the two fixing slots 2113 are respectively located in the first region 111 and the fifth region 113. One ends of the two side bars 212 are fixed in the two fixing grooves 2113 of the same folding bar 211, respectively, and the other ends of the two side bars 212 are fixed in the two fixing grooves 2113 of the other folding bar 211, respectively, thereby realizing the end-to-end connection of the folding bars 211 and the side bars 212.
The sliding grooves 2114 are respectively provided on the two main bars 2111 in the second area 121 and the fourth area 122, and an orthogonal projection of the sliding groove 2114 on the main bar 2111 coincides with an orthogonal projection of the hinge point 213 on the main bar 2111. One ends of the two sliding shafts 23 are movably mounted in the two sliding grooves 2114 of the same folding bar 211, and the other ends of the two sliding shafts 23 are movably mounted in the two sliding grooves 2114 of the other folding bar 211, so that the sliding shafts 23 are connected with the outer frame 21.
Specifically, as shown in fig. 6, the length of the sliding groove 2114 is greater than the diameter of the sliding shaft 23, so that the sliding shaft 23 can move a short distance in the sliding groove 2114. When the foldable screen 100 is folded, bending stress is generated in the flexible display panel 1, the sliding shaft 23 is slightly moved in the sliding groove 2114 to an end far away from the hinge point 213 under the influence of the bending stress, and the moved distance does not affect the tension of the foldable frame 2 on the flexible display panel 1, so that the display effect of the foldable screen 100 is ensured while part of the bending stress is relieved, the stress borne by the flexible display panel 1 is reduced, the problems of cracks, folds, film layer separation and the like of the flexible display panel 1 due to the bending stress are prevented, and the service life of the foldable screen 100 is prolonged.
As shown in fig. 1, 2 and 7, the two slide shafts 23 are divided into a first slide shaft 231 and a second slide shaft 232. The first sliding shaft 231 is located in the second region 121 and is disposed on the back surface 12 of the flexible display panel 1. The second sliding shaft 232 is located in the fourth area 122, and when the foldable screen 100 is folded, the second sliding shaft 232 must be located on the display surface 11 of the flexible display panel 1 to assist the flexible display panel 1 to bend, so that the flexible display panel 1 can surround the outer wall of the second sliding shaft 232 to tension the flexible display panel 1 in the third area 112 and the fifth area 113.
Since the first sliding shaft 231 is disposed on the back surface 12 of the flexible display panel 1, the display of the foldable screen 100 is not affected, and therefore, the first sliding shaft 231 can be mounted in the sliding slot 2114 by a fixed type (i.e., it cannot be removed after being mounted in the sliding slot 2114, but can also be moved in the sliding slot 2114) or a detachable type. The second sliding shaft 232 is disposed on the display surface 11 of the flexible display panel 1, and can block the display of the foldable screen 100, so that the second sliding shaft 232 is detachably mounted in the sliding groove 2114.
When the foldable screen 100 is unfolded for display, the second sliding shaft 232 can be moved from the fourth area 122 to the edge of the fifth area 113 through a moving slot 2115, or the second sliding shaft 232 is directly detached and attached to the back surface 12 of the flexible display panel 1 or not attached directly. When the foldable screen 100 needs to be folded, the second sliding shaft 232 is moved or installed back to the display surface 11 of the flexible display panel 1.
Preferably, the second sliding shaft 232 can be used as a stylus pen, so as to further enhance the user experience.
The folding screen 100 is further provided with a plurality of magnetic attraction devices, and the magnetic attraction devices are respectively arranged in the sliding shaft 23 and the folding rod 211. Specifically, in the sliding shaft 23, the magnetic attraction devices are located at two ends of the sliding shaft 23. In the folding bar 211, the magnetic attracting means are provided at both ends of the main bar 2111, and correspond to the sliding groove 2114 and the side bar 212. The movable sliding shaft 23, the magnetic attraction device in the sliding shaft 23 and the magnetic attraction device in the corresponding sliding groove 2114 form a stress adjustment mechanism, so that the sliding shaft 23 is prevented from being separated from the sliding groove 2114 due to an overlarge movement range through the action of magnetic force, the tensioning of the panel is maintained, the balance of the stress of the flexible display panel 1 is maintained, and the sliding shaft 23 can return to an initial position (namely, one end of the sliding groove 2114 close to the hinge point 213) after the folding screen 100 is unfolded. Meanwhile, after the folding screen 100 is folded, as shown in fig. 4, the two main rods 2111 of the same folding rod 211 are stacked up and down, so that the magnetic attraction devices in the two main rods 2111 attract each other, and the stability of the structure in the folded state is maintained.
As shown in fig. 1, fig. 2 and fig. 7, in order to relieve excessive tensile force applied to the two ends of the flexible display panel 1 during bending, the two ends of the flexible display panel 1 are wound on the side rods 212 in different manners: in the first region 111, the flexible display panel 1 is wound from above the side bar 212 to below the side bar 212 in a counterclockwise direction; in the fifth region 113, the flexible display panel 1 is wound from below the side bar 212 to above the side bar 212 in the counterclockwise direction. However, different winding manners may cause different heights of the left and right ends of the flexible display panel 1 of the foldable screen 100 after being unfolded, which affects the display effect.
Further, the side bar 212 includes a fixing bar 2121 and a rotating bar 2122, the fixing bar 2121 is located in the first region 111, and the rotating bar 2122 is located in the fifth region 113. When the folding screen 100 is unfolded and detached after the second sliding shaft 232 is rotated clockwise, the rotating rod 2122 is rotated clockwise, so that the flexible display panel 1 in the fifth area 113 is wound to the lower part of the rotating rod 2122 along the clockwise direction from the upper part of the rotating rod 2122, the heights of the left end and the right end of the flexible display panel 1 are the same, and the attractiveness of the folding screen 100 is improved. When the foldable screen 100 needs to be folded, the rotating rod 2122 is rotated counterclockwise, so that the flexible display panel 1 in the fifth area 113 returns to the original winding manner (i.e., is wound from the lower side of the rotating rod 2122 to the upper side of the rotating rod 2122 in the counterclockwise direction), and a tensile force generated when the flexible display panel 1 in the fifth area 113 is bent is reduced.
In an embodiment of the present invention, a display device is further provided, and the display device includes the folding screen 100 as described above. The display device can be any display device with a display function, such as a mobile phone, a notebook computer, a tablet computer, and the like.
In the embodiment of the invention, the length of the sliding groove is increased, so that the sliding shaft slightly moves when being subjected to bending stress, partial bending stress is relieved on the premise of not influencing the tensioning of the flexible display panel, and the stress borne by the flexible display panel is relieved, thereby solving the problems of cracks, folds, film layer separation, panel failure and the like of the flexible display panel caused by the bending stress, and prolonging the service life of the folding screen. In addition, in the embodiment of the invention, the magnetic attraction device is matched with the sliding shaft and the sliding groove, so that the sliding shaft is prevented from being separated from the sliding groove due to overlarge moving amplitude, the tension of the flexible display panel is kept, and the stress balance of the flexible display panel is further maintained.
The folding screen provided in the embodiment of the present invention is a "Z" -shaped triple-folding screen, but the folding times of the display screen are not displayed in other embodiments of the present invention, and the folding screen may be a "V" -shaped double-folding screen or an "M" -shaped five-folding screen, and the folding structure of the folding screen is similar to that of the triple-folding screen provided in the embodiment of the present invention, and therefore, the folding screen is not described in detail herein. 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 application.
Although the invention herein has been described with reference to particular embodiments, it is to be understood that these embodiments are merely illustrative of the principles and applications of the present invention. It is therefore to be understood that numerous modifications may be made to the illustrative embodiments and that other arrangements may be devised without departing from the spirit and scope of the present invention as defined by the appended claims. It should be understood that features described in different dependent claims and herein may be combined in ways different from those described in the original claims. It is also to be understood that features described in connection with individual embodiments may be used in other described embodiments.
Claims (10)
1. A folding screen is characterized by comprising at least one bending area and at least two display areas, wherein the display areas are respectively positioned at two ends of the bending area;
the folding screen comprises a folding frame and a flexible display panel fixed on the folding frame;
the folding frame includes:
the outer frame body is provided with at least two hinge points, the hinge points are positioned in the bending areas, and the outer frame body is folded or unfolded through the hinge points;
at least two sliding grooves, which are arranged on a surface of the outer frame body facing the flexible display panel, and an orthographic projection of the sliding grooves on the outer frame body is superposed with an orthographic projection of the hinge points on the folding rods;
at least one sliding shaft, two ends of which are respectively arranged in the two sliding grooves;
the diameter of the sliding shaft is smaller than the length of the sliding groove;
when the folding screen is folded, the flexible display panel bends around the sliding shaft, and the sliding shaft moves in the sliding groove along with bending stress generated when the flexible display panel bends.
2. The folding screen of claim 1 wherein the outer frame comprises:
the two side rods are positioned outside the bending area, and two ends of the flexible display panel are respectively fixed on one side rod;
at least two folding rods, with the limit pole interval sets up and end to end, each all be equipped with on the folding rod at least one pin joint and at least one the sliding tray.
3. A folding screen as recited in claim 2, further comprising:
the magnetic suction device is arranged at two ends of the sliding shaft and in the folding rod;
in the folding rod, the magnetic attraction device corresponds to the sliding groove and the side rod.
4. A foldable screen according to claim 2, wherein when the foldable screen has at least two of said bending regions and at least three of said display regions, at least two of said hinge points and at least two of said sliding grooves are provided on said folding rod, and said foldable frame includes at least two of said sliding shafts, and said hinge points, said sliding grooves and said sliding shafts are respectively located in each of said bending regions;
when the folding screen is folded, the moving directions of two adjacent hinge points on the folding rod are opposite, and the bending directions of the flexible display panel in two adjacent bending areas are also opposite.
5. The folding screen of claim 4, wherein the folding bar comprises:
each main rod is provided with at least one sliding groove;
the connecting rod is arranged on one surface of the main rod, which is far away from the sliding groove;
the main rods are respectively positioned at two ends of the connecting rod and hinged with the connecting rod to form the hinge point;
when the folding rod is folded, two adjacent main rods are parallel to each other, and the connecting rod and the two adjacent main rods form a Z-shaped structure.
6. A foldable screen as recited in claim 4, wherein when the foldable screen is folded, two adjacent sliding axes are located on the display side and the back side of the flexible display panel, respectively.
7. A foldable screen according to claim 5, wherein the main rod is provided with a moving slot, and the moving slot is provided on a surface of the main rod facing the flexible display panel and is communicated with the sliding slot.
8. A folding screen as claimed in claim 2 wherein said side bar comprises:
at least one fixed rod fixedly arranged at one end of the folding rod;
at least one rotating rod rotatably mounted at the other end of the folding rod.
9. The folding screen of claim 1 wherein the sliding shaft is a stylus.
10. A display device comprising a folding screen as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210192741.9A CN114627761B (en) | 2022-03-01 | 2022-03-01 | Folding screen and display device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210192741.9A CN114627761B (en) | 2022-03-01 | 2022-03-01 | Folding screen and display device |
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| CN114627761A true CN114627761A (en) | 2022-06-14 |
| CN114627761B CN114627761B (en) | 2023-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024067163A1 (en) * | 2022-09-27 | 2024-04-04 | 华为技术有限公司 | Folding screen device |
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| CN114627761B (en) | 2023-10-13 |
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