CN211670876U - Flexible display device and mobile terminal - Google Patents
Flexible display device and mobile terminal Download PDFInfo
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- CN211670876U CN211670876U CN202020804870.5U CN202020804870U CN211670876U CN 211670876 U CN211670876 U CN 211670876U CN 202020804870 U CN202020804870 U CN 202020804870U CN 211670876 U CN211670876 U CN 211670876U
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Abstract
The utility model provides a flexible display device and mobile terminal, it is unreasonable to have solved walking line structure and pivot cooperation of flexible line way board, and flexible line way board is owing to receive shearing, the wearing and tearing of pulling force or pivot part after buckling many times, can send the fracture of coming off or flexible line way board of pivot part, and influences the life's of complete machine problem. The method comprises the following steps: a display panel including a display area, the display area including a bending area; the flexible display device comprises a rotating shaft and a flexible display unit, wherein the rotating shaft is arranged on one side of the backlight surface of the bending area; and the flexible circuit board comprises at least one connecting part and at least two side walls, the connecting part is positioned between the rotating shaft and the bending area, the side walls extend along the display area, and the orthographic projection of the connecting part and the side walls on the display panel is positioned in the bending area.
Description
Technical Field
The utility model relates to a show technical field, concretely relates to flexible display device and mobile terminal.
Background
With the maturity of the bendable technology of the foldable screen, the bendable and foldable mobile phone terminal is successively released in the market, the demand of a mobile phone user on a large screen is greatly met by the foldable flexible screen mobile phone, the user can have a good experience feeling while watching a film, playing games, carrying video calls and the like, and meanwhile, the problem that the mobile phone is inconvenient to carry due to the fact that the screen is too large is solved. However, since the flexible circuit board is disposed between the rotating shafts inside the foldable mobile phone, if the wiring structure of the flexible circuit board is not reasonably matched with the rotating shafts, the flexible circuit board after being bent for many times will cause the falling of the rotating shaft parts or the breakage of the flexible circuit board due to the pulling force or the shearing and abrasion of the rotating shaft parts, thereby affecting the service life of the whole mobile phone.
Disclosure of Invention
In view of this, the embodiment of the utility model provides a flexible display device and mobile terminal has solved the line structure of walking and the pivot cooperation of flexible line way board unreasonable, and the flexible line way board is owing to receive pulling force or pivot part's shearing, wearing and tearing after buckling many times, can send the fracture of coming off or the flexible line way board of pivot part, and influences the life's of complete machine problem.
An embodiment of the utility model provides a flexible display device and mobile terminal includes: a display panel including a display area, the display area including a bending area; the flexible display device comprises a rotating shaft and a flexible display unit, wherein the rotating shaft is arranged on one side of the backlight surface of the bending area; and the flexible circuit board comprises at least one connecting part and at least two side walls, the connecting part is positioned between the rotating shaft and the bending area, the side walls extend along the display area, and the orthographic projection of the connecting part and the side walls on the display panel is positioned in the bending area.
In one embodiment, the method comprises the following steps: the angle between the side wall and the connecting part is 30-90 degrees.
In one embodiment, the shaft comprises a shaft cover and a shaft part, the at least one connection being located between the shaft cover and the shaft part.
In one embodiment, the flexible display device further comprises at least two middle frames respectively arranged at two opposite sides of the rotating shaft; the flexible circuit board includes two at least straight portions, two at least two straight portions respectively with two the other end of lateral wall is connected.
In one embodiment, the perpendicular distance between the connecting portion and the rotating shaft part is 0.3mm to 0.5 mm.
In one embodiment, the support plate further comprises support plates, and each straight portion is fixedly located between the middle frame and the support plate and is closer to the support plate than the connecting portion.
In one embodiment, the display area includes a plurality of the bending areas; at least one when connecting portion are a plurality of, every connecting portion are in orthographic projection on the display panel is located one respectively in the bending zone, wherein every the both ends of connecting portion all are connected the lateral wall, and the straight portion is connected to the lateral wall other end, wherein is located adjacent two respectively adjacent two in connecting portion connect same between the lateral wall straight portion.
In one embodiment, the display area comprises a first bending area and a second bending area, and the flexible circuit board comprises a first connecting part and a second connecting part, wherein the orthographic projection of the first connecting part on the display panel is located in the first bending area, and the orthographic projection of the second connecting part on the display panel is located in the second bending area; the included angle between the first connecting portion and the side wall is larger than the included angle between the second connecting portion and the side wall.
In one embodiment, the display panel further comprises an expansion screen arranged on one side of the display panel, and the expansion screen is connected with the display panel through a rotating shaft or a sliding rail.
A mobile terminal comprising the display device of any of the above.
An embodiment of the utility model provides a pair of flexible display device and mobile terminal, this flexible display device include display panel, including the display area, the display area can be including the district of buckling. The flexible display device may include a rotation shaft disposed on a backlight side of the bending region, wherein an orthographic projection of the rotation shaft on the display panel is located in the bending region. The flexible display device can further comprise a flexible circuit board, the flexible circuit board comprises at least one connecting part between the rotating shaft and the bending area, and at least two side walls which are connected with the connecting part and extend along the direction of the display area, wherein orthographic projections of the connecting part and the two side walls on the display panel are located in the bending area. Set the flexible line way board to the structure that has at least connecting portion and two at least lateral walls, and with at least one connecting portion setting between pivot and bending region, can make the flexible line way board difficult quilt of crooked in-process drag, the clamp hits, consequently can avoid because the line structure of walking of flexible line way board is unreasonable with the pivot cooperation, the flexible line way board is owing to receive pulling force or the shearing of pivot part, wearing and tearing after buckling many times, the cracked problem of the pivot part that drops or flexible line way board, improve flexible display device's life.
Drawings
Fig. 1 is a schematic structural diagram of a display panel according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of a flexible display device according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a preset shape of a flexible printed circuit according to an embodiment of the present invention.
Fig. 4 is a schematic structural diagram of a preset shape of a flexible printed circuit according to another embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a display panel 1 according to an embodiment of the present invention. Fig. 2 is a schematic structural diagram of a flexible display device according to an embodiment of the present invention.
As shown in fig. 1 and 2, the flexible display device includes a display panel 1, and the display panel 1 may implement a display function, wherein the display panel 1 may include a display area. The display area may further comprise a bending area 2, and the display area is bent at the bending area 2. The flexible display device may comprise a rotation shaft 3 arranged at a backlight side of the bending region 2, wherein an orthographic projection of the rotation shaft 3 on the display panel 1 is located within the bending region 2. The flexible display device may further include a flexible printed circuit 4, the flexible printed circuit 4 is disposed on one side of the rotating shaft 3 away from the display panel 1, wherein the flexible printed circuit 4 includes at least one connecting portion 41 located between the rotating shaft 3 and the bending region 2, the connecting portion 41 and the display panel 1 may be disposed in parallel, and two ends of the connecting portion 41 are respectively provided with at least two sidewalls 42 extending along the direction of the display region, wherein orthographic projections of the connecting portion 41 and the two sidewalls 42 on the display panel 1 are located in the bending region 2. Set flexible line way board 4 to the structure that has connecting portion 41 and lateral wall 42, and set up at least one connecting portion 41 between pivot 3 and bending zone 2, because the space between lateral wall 42 and the connecting portion 41 is greater than the space of pivot 3, at the in-process that makes flexible display device expand or fold, the formation of pivot 3 all is located this space, consequently flexible line way board 4 is expanding or folding in-process, can not take place the contact with pivot 3, consequently can make flexible line way board 4 be difficult for being dragged, the clamp hits, consequently can avoid because the line structure of walking of flexible line way board 4 and pivot 3 cooperation are unreasonable, flexible line way board 4 is owing to receive pulling force or pivot part 31's shearing, wearing and tearing after buckling many times, the problem of the fracture of flexible line way board 4 that causes the part 31 of the pivot to drop, improve the life of flexible display device.
Fig. 3 is a schematic structural diagram of a preset shape of the flexible printed circuit 4 according to an embodiment of the present invention. Fig. 4 is a schematic structural diagram of a preset shape of a flexible printed circuit 4 according to another embodiment of the present invention.
As shown in fig. 3 and 4, the angle between the connection portion 41 and the side wall 42 may be between 30 degrees and 90 degrees, in other words, the side wall 42 of the flexible wiring board 4 may extend straight in the direction of the display area 2 or may extend diagonally in the direction of the display area 2. The rotating shaft 3 is divided into an outer rotating shaft, an inner rotating shaft and a 360-degree rotating shaft, the bending area corresponding to the outer rotating shaft is an outer bending area 22, and the bending area corresponding to the inner rotating shaft is an inner bending area 21. The outer rotating shaft is a rotating shaft which is bent back to one side of the light emitting surface of the display panel 1, the inner rotating shaft is a rotating shaft which is bent towards one side of the light emitting surface of the display panel 1, and the 360-degree rotating shaft is a rotating shaft which can be bent back to one side of the light emitting surface of the display panel 1 and can also be bent towards one side of the light emitting surface of the display panel 1. For example: the flexible display device only comprises one rotating shaft 3, when the one rotating shaft 3 is an outer rotating shaft, the angle between the side wall 42 and the connecting part 41 can be 30 degrees or 45 degrees; when one of the shafts 3 is an inner shaft, the angle between the side wall 42 and the connecting portion 41 may be 90 degrees. When the flexible display device includes two rotation shafts 3, the two rotation shafts 3 may be an inner rotation shaft and an outer rotation shaft, respectively, an angle between the connection portion 41 and the sidewall 42 of the flexible printed circuit 4 disposed between the inner rotation shaft and the bending region 2 may be 90 degrees, and an angle between the connection portion 41 and the sidewall 42 of the flexible printed circuit 4 disposed between the outer rotation shaft and the bending region 2 may be 30 degrees or 45 degrees. Set up the angle between connecting portion 41 and the lateral wall 42 of the flexible line way board 4 between interior pivot and bending zone 2 to 90 degrees and can make the space between lateral wall 42 and the connecting portion 41 be greater than the space of pivot 3, in the in-process that makes flexible display device expand or fold, the formation of pivot 3 all is located this space, consequently, flexible line way board 4 is expanding or folding in-process, can not take place the contact with pivot 3, can avoid because flexible line way board 4 walk line structure and pivot 3 cooperation unreasonable, flexible line way board 4 is owing to receive pulling force or pivot part 31's shearing after buckling many times, wearing and tearing, the cracked problem of flexible line way board 4. The angle between the connecting part 41 and the side wall 42 of the flexible circuit board 4 between the outer rotating shaft and the bending area 2 is set to be 30 degrees or 45 degrees, when the outer rotating shaft rotates, the flexible circuit board 4 can be pulled to increase the angle between the side wall 42 and the connecting part 41, at the moment, the length of the side wall 42 is released, the tensile force borne by the flexible circuit board 4 is reduced, and therefore the flexible circuit board 4 is prevented from being broken due to overlarge tensile force. When the flexible display device includes different types of the rotating shaft 3, the shape of the flexible circuit board 4 can be designed for the type of the rotating shaft 3, thereby satisfying different requirements.
In an embodiment of the present invention, the shaft 3 may include a shaft cover 32 and a shaft part 31, and the at least one connection portion 41 of the flexible circuit board 4 is located between the shaft 32 and the shaft part 31. An orthographic projection of at least one connecting part 41 and the side wall 42 on the display panel 1 is positioned in the bending area 2. Set up flexible line way board 4 between pivot lid 32 and pivot part 31, can make pivot part 31 set up in the space that connecting portion 41 and lateral wall 42 formed, consequently flexible line way board 4 is expanding or folding in-process, flexible line way board 4 can not take place the contact with pivot part 31 or pivot lid 32, consequently can make flexible line way board 4 be difficult for being dragged, the clamp hits, consequently, can avoid because flexible line way board 4's line structure and pivot 3 cooperation are unreasonable, flexible line way board 4 is owing to receive pulling force or pivot part 31's shearing, wearing and tearing after buckling many times, cause the problem of the fracture of pivot part 31 or flexible line way board 4.
It is also understood that the larger the vertical distance between the connecting portion 41 and the rotating shaft part 31 is, the less easily the connecting portion 41 is in contact with the rotating shaft part 31, but the vertical distance between the connecting portion 41 and the rotating shaft part 31 may be set to 0.3mm-0.5mm in consideration of space, the vertical distance between the connecting portion 41 and the rotating shaft part 31 may be set according to practical situations, and the vertical distance between the connecting portion 41 and the rotating shaft part 31 is not limited by the present invention.
The utility model discloses an embodiment, flexible display device can include two at least middlings, and two at least middlings can set up in the relative both sides of pivot 3. The middle frame may be a frame structure for protecting the flexible display device. The flexible wiring board 4 includes at least two flat portions 43, and as described above, one end of the side wall 42 is connected to the connecting portion 41, and the other end of the side wall 42 is connected to the flat portion 43. In addition, the display device may further include a supporting plate, and the at least two straight portions 43 are respectively and fixedly located between the middle frame and the supporting plate, and the supporting plate may support and protect the flexible display panel 1. Wherein the straight portion 43 is closer to the support plate than the connecting portion 41. The straight portions 43 are respectively fixed between the middle frame and the support plate, and the straight portions 43 may be fixed to the middle frame, for example. Fixing the straight portion 43 between the middle frame and the support plate can ensure that the angle between the connecting portion 41 and the side wall 42 is not changed during the bending or unfolding process, so that the space formed by the connecting portion 41 and the side wall 42 is not changed, and the flexible circuit board 4 is prevented from being broken due to friction between the flexible circuit board 4 and the rotating shaft 3 caused by the change of the angle between the connecting portion 41 and the side wall 42.
It can be understood that can use the reinforcement steel sheet to fix straight portion 43 between center and backup pad, also can use the viscose to buckle straight portion 43 and paste and fix between center and backup pad, and the mode of fixing straight portion 43 between center and backup pad is various, can select, the utility model discloses do not do the restriction between center and backup pad to how to fix straight portion 43.
In an embodiment of the present invention, the display area includes a plurality of bending areas 2; when at least one connecting portion 41 is a plurality of, the orthographic projection of each connecting portion 41 on the display panel 1 is respectively located in one bending region 2, wherein both ends of each connecting portion 41 are connected with the side wall 42, and the other end of the side wall 42 is connected with the straight portion 43, which extends towards the opposite direction respectively.
Wherein the same straight portion 43 is connected between two adjacent side walls 42 in two adjacent bending zones 2. For example: the display area includes two bending areas 2, which are a first bending area and a second bending area respectively, and the flexible printed circuit 4 includes two connecting portions 41, which are a first connecting portion and a second connecting portion respectively, wherein an orthographic projection of the first connecting portion on the display panel 1 is located in the first bending area, and an orthographic projection of the second connecting portion on the display panel 1 is located in the second bending area. The two sidewalls 42 connected to both sides of the first connecting portion are a first sidewall and a second sidewall, respectively, the two sidewalls connected to both sides of the second connecting portion are a third sidewall and a fourth sidewall, respectively, the first straight portion is connected to the other end of the first sidewall, the second straight portion is connected to one end of the second sidewall, the third straight portion is connected to the other end of the third sidewall, and the fourth straight portion is connected to the other end of the fourth sidewall. In other words, the orthographic projection of the flat portion 43 on the display panel 1 is simultaneously located in the non-bending region 2, or the orthographic projection of the flat portion 43 on the display panel 1 may be simultaneously located in the non-bending region, the first bending region and the second bending region. Connecting the second straight portion and the third straight portion between the adjacent side walls 42 in the two adjacent bending regions 2, respectively, can save design cost and process materials.
In an embodiment of the present invention, the display area may include a first bending area and a second bending area, the flexible circuit board 4 includes a first connecting portion and a second connecting portion, an orthogonal projection of the first connecting portion on the display panel 1 is located in the first bending area, an orthogonal projection of the second connecting portion on the display panel 1 is located in the second bending area, and an included angle between the first connecting portion and the sidewall 42 is greater than an included angle between the second connecting portion and the sidewall 42. For example: the flexible display device may include two rotation shafts 3, which are an inner rotation shaft and an outer rotation shaft, respectively, an orthographic projection of the inner rotation shaft on the display panel 1 is located in the first bending region, an orthographic projection of the outer rotation shaft on the display panel 1 is located in the second bending region, an orthographic projection of the first connection portion on the display panel 1 is located in the first bending region, and an orthographic projection of the second connection portion on the display panel 1 is located in the second bending region, wherein an included angle between the first connection portion and the sidewall 42 may be 90 degrees, an included angle between the second connection portion and the sidewall 42 may be 30 degrees, and an included angle between the first connection portion and the sidewall 42 is greater than an included angle between the second connection portion and the sidewall 42. In different bending areas, different connecting parts and included angles between the side walls 42 are arranged, so that the flexible circuit boards 4 corresponding to different bending areas can be protected.
In an embodiment of the invention, the flexible display device may have a plurality of bending modes. For example: the flexible display device may comprise two shafts 3, an inner shaft and an outer shaft, respectively; or the flexible display device may comprise two shafts 3, a first internal shaft and a second internal shaft, respectively. Still alternatively, the flexible display device may comprise two rotation axes 3, a first outer rotation axis and a second outer rotation axis. The flexible display device may further comprise three rotation axes 3, an inner rotation axis, an outer rotation axis and a 360 degree rotation axis. The flexible display device has different folding modes, and can meet different customer requirements.
It is to be understood that the folding manner of the flexible display device described in the present invention can be various, and the folding manner of the flexible display device is not limited in the present invention.
In an embodiment of the present invention, the display panel 1 further includes an expansion screen disposed on one side of the display panel 1, and the expansion screen may be movably connected to the display panel 1. The movable connection mode can be that the rotating shaft 3 is connected in a rotating mode or the sliding rail is connected in a sliding mode. When the expansion screen is not needed, the expansion screen can be hidden, and when the expansion screen is needed, the expansion screen can be unfolded, so that the effect of expanding the display panel 1 is achieved. In addition, the expansion screen can be used as a centralized operation area to realize centralized operation of the mobile office equipment, for example, the expansion screen can be used as a keyboard area, and the display panel 1 is used as a display area, so that the input is more convenient and faster; or the expansion screen can be used as a game secondary screen, so that various operation modes of the game are realized, and immersive experience is brought. It can be understood that the expansion screen can be unfolded and stored in various manners, for example, the expansion screen can be turned over by 360 degrees, and the expansion screen can also be pulled. Expand the expansion of screen and the mode of accomodating can select according to the product demand of reality, the utility model discloses do not do the injecing to the expansion of expanding the screen and the mode of accomodating.
In an embodiment of the present invention, the mobile terminal includes any of the above embodiments of the flexible display device, the flexible display device includes a display panel 1, including a display area, the display area may include a bending area 2. The flexible display device may comprise a rotation axis 3 arranged at a backlight side of the bending region 2, wherein an orthographic projection of the rotation axis 3 on the display panel 1 is located in the bending region 2. The flexible display device may further include a flexible printed circuit 4, where the flexible printed circuit 4 includes at least one connection portion 41 between the rotation shaft 3 and the bending region 2, and at least two sidewalls 42 connecting the connection portion 41 and extending along the direction of the bending region 2. Set flexible line way board 4 to the structure that has at least connecting portion 41 and two at least lateral walls 42, and set up at least one connecting portion 41 between pivot 3 and bending zone 2, can make flexible line way board 4 difficult quilt of crooked in-process drag, press from both sides and hit, consequently can avoid because flexible line way board 4 walk line structure and pivot 3 cooperation unreasonable, flexible line way board 4 is owing to receive pulling force or the shearing of pivot, wearing and tearing after buckling many times, the cracked problem of flexible line way board 4, improve flexible display device's life.
It can be understood that mobile terminal can be cell-phone, computer or vehicle mounted display equipment etc, the utility model discloses do not do the restriction to mobile terminal's kind.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalents and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A flexible display device, comprising:
a display panel including a display area, the display area including a bending area;
the flexible display device comprises a rotating shaft and a flexible display unit, wherein the rotating shaft is arranged on one side of the backlight surface of the bending area; and
the flexible circuit board, the flexible circuit board is including being located the pivot with at least connecting portion between the district of buckling, and connect connecting portion just follow two at least lateral walls that the display area direction extends, wherein connecting portion and two the lateral wall is in orthographic projection on the display panel is located in the district of buckling.
2. The flexible display device of claim 1, comprising: the angle between the side wall and the connecting part is 30-90 degrees.
3. The flexible display device of claim 1, wherein the hinge comprises a hinge cover and a hinge part, the at least one connection portion being located between the hinge cover and the hinge part.
4. The flexible display device according to claim 1, further comprising at least two middle frames disposed at opposite sides of the rotation axis, respectively;
the flexible circuit board includes two at least straight portions, every straight portion respectively with two the other end of lateral wall is connected.
5. A flexible display device according to claim 3, wherein the perpendicular distance between the connection portion and the hinge part is 0.3mm-0.5 mm.
6. The flexible display device according to claim 4, further comprising a support plate, wherein each of the flat portions is fixedly disposed between the middle frame and the support plate and closer to the support plate than the connecting portion.
7. The flexible display device of claim 1, wherein the display area comprises a plurality of the bending areas;
at least one when connecting portion are a plurality of, every connecting portion are in orthographic projection on the display panel is located one respectively in the bending zone, wherein every the both ends of connecting portion all are connected the lateral wall, and the straight portion is connected to the lateral wall other end, wherein is located adjacent two respectively adjacent two in connecting portion connect same between the lateral wall straight portion.
8. The flexible display device according to claim 1, wherein the display area comprises a first bending area and a second bending area, and the flexible circuit board comprises a first connecting portion and a second connecting portion, wherein an orthographic projection of the first connecting portion on the display panel is located in the first bending area, and an orthographic projection of the second connecting portion on the display panel is located in the second bending area;
the included angle between the first connecting portion and the side wall is larger than the included angle between the second connecting portion and the side wall.
9. The flexible display device according to claim 1, further comprising an expansion screen disposed on one side of the display panel, wherein the expansion screen is connected to the display panel through a rotating shaft or a sliding rail.
10. A mobile terminal, characterized in that it comprises a display device according to any one of the preceding claims 1-9.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020804870.5U CN211670876U (en) | 2020-05-18 | 2020-05-18 | Flexible display device and mobile terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020804870.5U CN211670876U (en) | 2020-05-18 | 2020-05-18 | Flexible display device and mobile terminal |
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| CN211670876U true CN211670876U (en) | 2020-10-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236867A1 (en) * | 2022-06-09 | 2023-12-14 | 维沃移动通信有限公司 | Line structure for mobile terminal, and mobile terminal |
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2020
- 2020-05-18 CN CN202020804870.5U patent/CN211670876U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023236867A1 (en) * | 2022-06-09 | 2023-12-14 | 维沃移动通信有限公司 | Line structure for mobile terminal, and mobile terminal |
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