CN209785446U - Foldable display device - Google Patents

Foldable display device Download PDF

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Publication number
CN209785446U
CN209785446U CN201920640963.6U CN201920640963U CN209785446U CN 209785446 U CN209785446 U CN 209785446U CN 201920640963 U CN201920640963 U CN 201920640963U CN 209785446 U CN209785446 U CN 209785446U
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China
Prior art keywords
folding
support
display screen
flexible display
flexible
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CN201920640963.6U
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Chinese (zh)
Inventor
冯子康
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
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Priority to CN201920640963.6U priority Critical patent/CN209785446U/en
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Abstract

The utility model provides a foldable display device, which comprises a flexible display screen, a folding mechanism and a winding mechanism; the folding mechanism is provided with an upper supporting surface and a supporting surface and comprises a first support and a second support, the first end of the flexible display screen bypasses one end of the folding mechanism and is connected with the first support, and the second end bypasses the other end of the folding mechanism and is connected with the second support; when the folding mechanism is in an unfolding state, the flexible display screen is positioned on the upper supporting surface and the lower supporting surface; when the folding mechanism is in a folding state, the flexible display screen is positioned on the lower supporting surface; when the first support and the second support rotate around the first direction, the winding mechanism winds the flexible display screen or releases the wound part of the flexible display screen. Through adopting the mode that folding mechanism and flexible display screen are not laminated to when making folding mechanism folding, flexible display screen needn't fold with folding mechanism simultaneously, thereby prevent to cause the damage to flexible display screen.

Description

Foldable display device
Technical Field
The utility model relates to a show technical field, especially relate to a collapsible display device.
Background
At present OLED receives extensive concern with its flexible flexibility, carries on flexible OLED's mainstream collapsible display device's folding mode at present for infolding and folding outward, however, generally adopts flexible display screen and the fixed mode of beta structure laminating among the current collapsible display device, and flexible display screen folds with folding mechanism simultaneously when folding mechanism folds, causes the damage to flexible display screen easily.
SUMMERY OF THE UTILITY MODEL
The utility model provides a foldable display device to when solving folding mechanism and folding, flexible display screen folds simultaneously with folding mechanism, causes the technical problem of damage to flexible display screen easily.
In order to solve the above problem, the utility model provides a technical scheme as follows:
A foldable display device comprising:
The folding mechanism is provided with an upper supporting surface and a lower supporting surface arranged opposite to the upper supporting surface, the folding mechanism comprises a first support and a second support which are arranged side by side and connected with each other, and the first support and the second support rotate around a first direction to enable the folding mechanism to be in a folded or unfolded state;
The flexible display screen is arranged on the folding mechanism and comprises a first end and a second end which are oppositely arranged;
The winding mechanism is arranged on the first support or/and the second support and used for winding the flexible display screen, and when the first support and the second support rotate around a first direction, the winding mechanism winds the flexible display screen or releases the wound part of the flexible display screen;
The first end of the flexible display screen bypasses one end of the folding mechanism and is connected with the first support, and the second end of the flexible display screen bypasses the other end of the folding mechanism and is connected with the second support; when the folding mechanism is in an unfolded state, the flexible display screen is positioned on the upper supporting surface and the lower supporting surface; when the folding mechanism is in a folding state, the flexible display screen is positioned on the lower supporting surface.
Furthermore, one winding mechanism is arranged, the winding mechanism is fixed on the first support, and the first end of the flexible display screen is connected with the winding mechanism; or the winding mechanism is fixed on the second support, and the second end of the flexible display screen is connected with the winding mechanism.
Furthermore, the number of the winding mechanisms is two, one winding mechanism is arranged on the first support, the other winding mechanism is arranged on the second support, the first end of the flexible display screen is connected with one winding mechanism, and the second end of the flexible display screen is connected with the other winding mechanism.
Furthermore, a flexible supporting plate is arranged between the flexible display screen and the folding mechanism, the first end of the flexible display screen is fixedly connected with one end of the flexible supporting plate, and the second end of the flexible display screen is fixedly connected with the other end of the flexible supporting plate.
furthermore, the flexible display screen is attached to and fixed on the flexible support plate.
Further, the winding mechanism comprises a coil spring, the axis of the coil spring is parallel to the first direction, the inner end of the coil spring is fixedly connected with the folding mechanism, the outer end of the coil spring is fixedly connected with the end part of the flexible support plate, and when the first support and the second support rotate around the first direction, the coil spring provides pulling force to enable the flexible support plate to be kept attached and contacted with the end part of the folding mechanism.
Furthermore, a cavity is arranged in the folding mechanism, the coil spring is arranged in the cavity, an opening is formed in the folding mechanism, and the end part of the flexible supporting plate penetrates through the opening to be connected with the coil spring.
Further, the first support and the second support are hinged through a hinge.
Further, the hinge is an angle positioning hinge, so that the first support and the second support rotate around the first direction and are positioned to any angle.
Further, the hinge is arranged at the lower supporting surface of the folding mechanism.
further, folding mechanism's tip department is provided with the pulley, the axis of pulley is on a parallel with first direction, the pulley around its axial rotation connect in folding mechanism, flexible display screen walk around the pulley and with the pulley butt.
The utility model has the advantages that: through the mode that adopts folding mechanism and flexible display screen not laminate, thereby when making folding mechanism folding, flexible display screen needn't fold simultaneously with folding mechanism, thereby prevent to cause the damage to flexible display screen, and utilize winding mechanism to convolute flexible display screen and accomodate, thereby prevent that flexible display screen and folding mechanism break away from, make flexible display screen keep the leveling state simultaneously, prevent that folding mechanism from buckling the unmatched problem of folding mechanism surface and flexible display screen size that causes.
Drawings
In order to illustrate the embodiments or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for a person skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of a foldable display device in a fully unfolded state according to an embodiment of the present invention;
Fig. 2 is a schematic view of a foldable display device in a fully folded state according to an embodiment of the present invention;
FIG. 3 is a schematic view of a winding mechanism on the foldable display device according to the present invention;
Fig. 4 is a schematic structural diagram of a foldable display device according to an embodiment of the present invention;
fig. 5 is a schematic view of a foldable display device according to an embodiment of the present invention in a folded state;
Fig. 6 is a schematic structural diagram of a foldable display device according to an embodiment of the present invention.
reference numerals:
10. A folding mechanism; 11. a first support; 12. a second support; 13. an upper support surface; 131. a first plane; 132. a second plane; 14. a lower support surface; 15. an end face; 16. a cavity; 20. a flexible display screen; 21. a first end; 22. a second end; 30. a flexible support plate; 40. a winding mechanism; 41. a coil spring; 50. a supporting seat; 51. a support shaft; 60. a hinge; 61. a side wing; 70. a pulley.
Detailed Description
The following description of the various embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. The directional terms mentioned in the present invention, such as [ upper ], [ lower ], [ front ], [ rear ], [ left ], [ right ], [ inner ], [ outer ], [ side ], refer to the directions of the attached drawings only. Accordingly, the directional terms used are used for describing and understanding the present invention, and are not used for limiting the present invention. In the drawings, elements having similar structures are denoted by the same reference numerals.
The utility model discloses in to current collapsible display device, when folding mechanism is folding, flexible display screen folds simultaneously with folding mechanism, causes the technical problem of damage to flexible display screen easily. The utility model discloses above-mentioned problem can be solved.
A foldable display device, as shown in fig. 1 and 2, includes a folding mechanism 10, a flexible display screen 20, and a winding mechanism 40.
Wherein, the folding mechanism 10 has an upper supporting surface 13 for supporting the flexible display 20, a lower supporting surface 14 arranged opposite to the upper supporting surface 13, and an end surface 15 at the end of the folding mechanism; the folding mechanism 10 comprises a first support 11 and a second support 12 which are arranged side by side and connected with each other, and the first support 11 and the second support 12 rotate around a first direction to enable the folding mechanism 10 to be in a folded or unfolded state.
it should be noted that the upper supporting surface 13 includes a first plane 131 disposed on the first support 11 and a second plane 132 disposed on the second support 12, when the first support 11 and the second support 12 rotate around the first direction until the first plane 131 and the second plane 132 are located on the same plane, the first plane 131 and the second plane 132 form the upper supporting surface 13 located on the same plane, and at this time, the folding mechanism 10 is in the fully unfolded state.
Wherein, the flexible display screen 20 is disposed on the folding mechanism 10, and the flexible display screen 20 includes a first end 21 and a second end 22 disposed oppositely.
In one embodiment, the flexible display 20 is a flexible Organic Light Emitting Diode (OLED) display.
Wherein, the winding mechanism 40 is disposed on the first support 11 or/and the second support 12 for winding the flexible display 20, and when the first support 11 and the second support 12 rotate around the first direction, the winding mechanism 40 winds the flexible display 20 or the winding mechanism 40 releases the wound portion of the flexible display 20.
Specifically, the first end 21 of the flexible display screen 20 bypasses one end of the folding mechanism 10 and is connected to the first support 11, and the second end 22 bypasses the other end of the folding mechanism 10 and is connected to the second support 12; when the folding mechanism 10 is in the unfolded state, the flexible display screen 20 is positioned on the upper support surface 13 and the lower support surface 14; when the folding mechanism 10 is in the folded state, the flexible display screen 20 is located on the lower supporting surface 14.
Fig. 2 is a schematic view of the folding mechanism 10 in a fully folded state, as shown in fig. 2, in which the foldable display device is portable. Through the mode that adopts folding mechanism 10 and flexible display screen 20 not to laminate, thereby when making folding mechanism 10 fold, flexible display screen 20 needn't fold with folding mechanism 10 simultaneously, thereby prevent to cause the damage to flexible display screen 20, and utilize winding mechanism 40 to convolute flexible display screen 20 and accomodate, thereby prevent that flexible display screen 20 from breaking away from with folding mechanism 10, make flexible display screen 20 keep the flat state simultaneously, prevent that folding mechanism 10 from buckling the unmatched problem of folding mechanism 10 surface and flexible display screen 20 size that causes.
As shown in fig. 3, a flexible supporting plate 30 is disposed between the flexible display screen 20 and the folding mechanism 10, a first end 21 of the flexible display screen 20 is fixedly connected to one end of the flexible supporting plate 30, and a second end 22 of the flexible display screen 20 is fixedly connected to the other end of the flexible supporting plate 30.
Further, the flexible display screen 20 is attached and fixed to the flexible supporting plate 30.
Further, the flexible support plate 30 is a metal sheet, and the thickness of the flexible support plate 30 is 5 to 35 micrometers.
By arranging the flexible support plate 30 at the lower part of the flexible display screen 20, the pulling force of the winding mechanism 40 can act on the flexible support plate 30, the flexible display screen 20 is prevented from being easily subjected to creep deformation and elongation under the action of long-term pulling force, meanwhile, the friction between the flexible display screen 20 and the folding mechanism 10 is reduced, and the abrasion of the flexible display screen 20 is reduced.
The winding mechanism 40 includes a coil spring 41, an axis of the coil spring 41 is parallel to the first direction, an inner end of the coil spring 41 is fixedly connected with the folding mechanism 10, an outer end of the coil spring 41 is fixedly connected with an end of the flexible support plate 30, and when the first support 11 and the second support 12 rotate around the first direction, the coil spring 41 provides a pulling force to keep the flexible support plate 30 in adhering contact with the end of the folding mechanism 10.
It should be noted that, when the folding mechanism 10 is in the fully unfolded state, the flexible supporting plate 30 is in contact with the upper supporting surface 13, the lower supporting surface 14 and the end surface 15.
In an embodiment, a support 50 is fixedly disposed on the first support 11 or/and the second support 12, the support 50 includes a support shaft 51 disposed along an axial direction of the coil spring 41, the coil spring 41 is sleeved on the support shaft 51, and an inner end of the coil spring 41 is fixedly connected with the corresponding support shaft 51, so that the inner end of the coil spring 41 is fixedly connected with the folding mechanism 10.
It can be known to those skilled in the art that, when the coil spring 41 is compressed, it has a tendency to return to a natural stretching state, and by utilizing the elastic potential energy of the compressed coil spring 41, in the folding process of the folding mechanism 10, the restoring force of the coil spring 41 accommodates and rolls up the "redundant" portion of the flexible display screen 20, and in the unfolding process of the folding mechanism 10, the coil spring 41 is pulled under the action of the external pulling force to release the "redundant" portion of the flexible display screen 20, so that the flexible support plate 30 and the folding mechanism 10 are always kept relatively close to each other when the folding mechanism 10 is folded and unfolded, and the screen floating phenomenon when the user uses the flexible display screen 20 is prevented.
In the first embodiment, two winding mechanisms 40 are provided, one winding mechanism 40 is disposed on the first support 11, the other winding mechanism 40 is disposed on the second support 12, the first end 21 of the flexible display 20 is connected to one winding mechanism 40, and the second end 22 of the flexible display 20 is connected to the other winding mechanism 40.
Further, one end of the flexible support plate 30 is fixedly connected with the outer end of one of the coil springs 41, and the other end of the flexible support plate 30 is fixedly connected with the outer end of the other coil spring 41.
in the second embodiment, there is one winding mechanism 40, the winding mechanism 40 is fixed on the first support 11, and the first end 21 of the flexible display 20 is connected to the winding mechanism 40.
Further, one end of the flexible supporting plate 30 is fixedly connected with the outer end of the coil spring 41, and the other end of the flexible supporting plate 30 is fixedly connected with the second support 12.
in a third embodiment, one winding mechanism 40 is provided, the winding mechanism 40 is fixed on the two supports 12, and the second end 22 of the flexible display screen 20 is connected with the winding mechanism 40.
Further, one end of the flexible support plate 30 is fixedly connected to the outer end of the coil spring 41, and the other end of the flexible support plate 30 is fixedly connected to the first support 11.
Specifically, a cavity 16 is formed in the folding mechanism 10, the coil spring 41 is disposed in the cavity 16, an opening is formed in the folding mechanism 10, and the end of the flexible support plate 30 passes through the opening and is connected to the coil spring 41.
As shown in fig. 4, in an embodiment, the first support 11 is hinged to the second support 12 through a hinge 60, the first support 11 is fixedly connected to one side wing 61 of the hinge 60, and the second support 12 is fixedly connected to the other side wing 61 of the hinge 60, so that the first support 11 and the second support 12 can rotate relative to each other in the first direction.
Further, the hinge 60 is an angle positioning hinge, so that the first support 11 and the second support 12 can rotate around the first direction and can be positioned to any angle.
Further, the hinge 60 is disposed on the lower support surface 14 of the folding mechanism 10.
Referring to fig. 5, the first stand 11 and the second stand 12 are positioned and balanced when rotated to any angle by the torque of the angle positioning hinge 60, so that the foldable display device can be used as a small-sized stand-up display for displaying a time calendar, etc., by way of example.
as shown in fig. 6, in one embodiment, a pulley 70 is disposed at an end of the folding mechanism 10, an axis of the pulley 70 is parallel to the first direction, the pulley 70 is rotatably connected to the folding mechanism 10 around an axial direction thereof, and the flexible display screen 20 passes around the pulley 70 and abuts against the pulley 70, that is, the flexible support plate 30 contacts against the pulley 70.
Further, pulleys 70 are provided at both ends of the folding mechanism 10. The pulley 70 can make the flexible supporting board 30 move more smoothly on the folding mechanism 10, and reduce the damage of the flexible display 20 caused by sliding friction.
the utility model has the advantages that: through the mode that adopts folding mechanism 10 and flexible display screen 20 not to laminate, thereby when making folding mechanism 10 fold, flexible display screen 20 needn't fold with folding mechanism 10 simultaneously, thereby prevent to cause the damage to flexible display screen 20, and utilize winding mechanism 40 to convolute flexible display screen 20 and accomodate, thereby prevent that flexible display screen 20 from breaking away from with folding mechanism 10, make flexible display screen 20 keep the flat state simultaneously, prevent that folding mechanism 10 from buckling the unmatched problem of folding mechanism 10 surface and flexible display screen 20 size that causes.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.

Claims (11)

1. a foldable display device, characterized in that the foldable display device comprises:
The folding mechanism is provided with an upper supporting surface and a lower supporting surface arranged opposite to the upper supporting surface, the folding mechanism comprises a first support and a second support which are arranged side by side and connected with each other, and the first support and the second support rotate around a first direction to enable the folding mechanism to be in a folded or unfolded state;
the flexible display screen is arranged on the folding mechanism and comprises a first end and a second end which are oppositely arranged;
The winding mechanism is arranged on the first support or/and the second support and used for winding the flexible display screen, and when the first support and the second support rotate around a first direction, the winding mechanism winds the flexible display screen or releases the wound part of the flexible display screen;
The first end of the flexible display screen bypasses one end of the folding mechanism and is connected with the first support, and the second end of the flexible display screen bypasses the other end of the folding mechanism and is connected with the second support; when the folding mechanism is in an unfolded state, the flexible display screen is positioned on the upper supporting surface and the lower supporting surface; when the folding mechanism is in a folding state, the flexible display screen is positioned on the lower supporting surface.
2. The foldable display device of claim 1, wherein the winding mechanism is provided with one, the winding mechanism is fixed on the first support, and the first end of the flexible display screen is connected with the winding mechanism; or the winding mechanism is fixed on the second support, and the second end of the flexible display screen is connected with the winding mechanism.
3. The foldable display device of claim 1, wherein there are two winding mechanisms, one winding mechanism being disposed on the first support and the other winding mechanism being disposed on the second support, wherein the first end of the flexible display is connected to one winding mechanism and the second end of the flexible display is connected to the other winding mechanism.
4. The foldable display device according to any one of claims 1 to 3, wherein a flexible support plate is disposed between the flexible display screen and the folding mechanism, a first end of the flexible display screen is fixedly connected to one end of the flexible support plate, and a second end of the flexible display screen is fixedly connected to the other end of the flexible support plate.
5. the foldable display device of claim 4, wherein the flexible display screen is attached and fixed to the flexible support plate.
6. The foldable display device of claim 4, wherein the winding mechanism comprises a coil spring, an axis of the coil spring is parallel to the first direction, an inner end of the coil spring is fixedly connected with the folding mechanism, an outer end of the coil spring is fixedly connected with an end of the flexible support plate, and the coil spring provides a pulling force to keep the flexible support plate in adhering contact with the end of the folding mechanism when the first support and the second support rotate around the first direction.
7. The foldable display device of claim 6, wherein said folding mechanism has a cavity therein, said coil spring is disposed in said cavity, said folding mechanism has an opening therein, and an end of said flexible support plate passes through said opening to connect with said coil spring.
8. the foldable display device of claim 1, wherein the first support and the second support are hinged by a hinge.
9. the foldable display device of claim 8, wherein the hinge is an angle positioning hinge to allow the first stand and the second stand to rotate about the first direction and be positioned to any angle.
10. The foldable display device of claim 8, wherein the hinge is disposed at a lower support surface of the folding mechanism.
11. The foldable display device of claim 1, wherein a pulley is provided at an end of the folding mechanism, an axis of the pulley is parallel to the first direction, the pulley is rotationally connected to the folding mechanism around an axial direction thereof, and the flexible display screen passes around and abuts the pulley.
CN201920640963.6U 2019-05-06 2019-05-06 Foldable display device Active CN209785446U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920640963.6U CN209785446U (en) 2019-05-06 2019-05-06 Foldable display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920640963.6U CN209785446U (en) 2019-05-06 2019-05-06 Foldable display device

Publications (1)

Publication Number Publication Date
CN209785446U true CN209785446U (en) 2019-12-13

Family

ID=68804931

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920640963.6U Active CN209785446U (en) 2019-05-06 2019-05-06 Foldable display device

Country Status (1)

Country Link
CN (1) CN209785446U (en)

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