TW202215191A - Display device - Google Patents

Abstract

A display device is provided, which has a stacked-state and an expanded-state. The display device includes a first body, a second body, a hinge module and a tightening module. The hinge module includes a first hinge and a second hinge, which are disposed in the first body and the second body respectively. Both ends of a tightening member of the tightening module are disposed in the first body and the second body respectively. Wherein, in the stacked-state, a first bottom-surface of the first body is located on a second top-surface of the second body so as to the tightening member has a first turning portion and a second turning portion are formed on both sides of the display device respectively. In the expanded-state, the display surfaces of the first body and the second body are on the same plane, and the first body rotates relative to the second body by the hinge module.

Description

display device

The present invention relates to the technical field of a display device, and in particular, the present invention relates to a display device having a folded state and an unfolded state.

In an existing foldable mobile phone or tablet computer, a bendable display element is arranged on two bodies. When the two bodies are unfolded, the user can use the entire display surface of the display element, and when the two bodies are folded and folded, the display element will be bent, so that the user can use a part of the display element display surface. In this way, a foldable phone or tablet increases the flexibility of use.

However, in this way of arranging a flexible display element on two bodies, after many times of unfolding and folding, the material of the display element will be fatigued, so that the display element cannot be completely attached at the bend. It is suitable for the body, or, the display element may be damaged at the bend.

In view of the foregoing, the inventors of the present invention have designed a display device to improve the deficiencies of the prior art, thereby enhancing the implementation and utilization in the industry.

In view of the above-mentioned problems in the prior art, an object of the present invention is to provide a display device to improve the above-mentioned problems of a collapsible or bendable display device.

Based on the above objective, the present invention provides a display device having a collapsed state and an expanded state. The display device includes a first body, a second body, a rotating shaft module and a tightening module. The first machine system includes a first top surface, a first bottom surface opposite to the first top surface, and a first side surface connecting the first top surface and the first bottom surface. The second body includes a second top surface, a second bottom surface opposite to the second top surface, and a second side surface connecting the second top surface and the second top surface; in the folded state, the first bottom surface of the first body is located on the first On the second top surface of the two bodies, the first side surface and the second side surface are respectively located on opposite sides of the display device. The rotating shaft module includes a first rotating shaft piece and a second rotating shaft piece; the first rotating shaft piece is arranged inside the first body from the first side surface, and the second rotating shaft piece is arranged inside the second body from the second side surface. In the unfolded state, the first rotating shaft member is pivotally connected to the second rotating shaft member. The tightening module includes a tightening piece; the tightening piece has opposite first ends and second ends, the first end is arranged on the first body, and the second end is arranged on the second body. Wherein, in the folded state, the tightening member forms a first turning portion at a position corresponding to the first side surface, and a second turning portion is formed at a position corresponding to the second side surface; in the unfolding state, the tightening member is substantially in the shape of a flat.

Preferably, the tightening module may further include a first pulling element; the first pulling element is disposed on the first body and connected to the first end of the tightening element.

Preferably, the first pulling element may comprise a fixed pulley block, a movable pulley block, a rope body and an elastic member. The fixed pulley set is arranged along the first direction and fixed on the first top surface. The movable pulley assembly is pivotally connected to the first top surface and moves relative to the first top surface along a second direction, and the first direction is substantially perpendicular to the second direction. The two ends of the rope body are respectively fixed on the first end of the tightening element, and the middle part of the rope body is staggered around the fixed pulley block and the movable pulley block. One end of the elastic piece is fixed to the first body, and the other end is fixed to the moving pulley block, and the elastic piece can be stretched or contracted along the second direction.

Preferably, the first pulling element can further comprise a pair of pulley rails and a pair of positioning rails. The pair of pulley rails are arranged on the first top surface, and the pair of pulley rails extend along the second direction; the opposite ends of the movable pulley assembly can be respectively embedded in the pair of pulley tracks, so that the movable pulley assembly can move along the first The two directions move relative to the pair of pulley tracks. The pair of positioning rails are disposed on the first top surface, and the pair of positioning rails extend along the second direction; the first end of the tightening member has a pair of positioning portions, and the pair of positioning portions can be respectively embedded Set on the pair of positioning rails, so that the first end can move along the second direction.

Preferably, the tightening module further includes a second pulling element, the second pulling element is disposed on the second body and connected to the second end of the tightening element.

Preferably, the second pulling element further comprises a fixed pulley block, a movable pulley block, a rope body, and an elastic member. The fixed pulley assembly is arranged along a first direction and fixed on the second top surface. The movable pulley assembly is pivotally connected to the second top surface and moves relative to the second top surface along a second direction, and the first direction is substantially perpendicular to the second direction. The two ends of the rope body are respectively fixed on the second end of the tightening piece, and the middle part of the rope body is staggeredly wound around the fixed pulley block and the movable pulley block. One end of the elastic piece is fixed to the second body, and the other end is fixed to the moving pulley block, and the elastic piece can be stretched or compressed along the second direction.

Preferably, the second pulling element further includes a pair of pulley rails and a pair of positioning rails. The pair of pulley rails are disposed on the second top surface, and the pair of pulley rails extend along the second direction, wherein opposite ends of the movable pulley assembly can be respectively embedded in the pair of pulley tracks, so that the movable pulley assembly can move along the move relative to the pulley track in the second direction. The pair of positioning rails are disposed on the second top surface, and the pair of positioning rails extend along the second direction, wherein the second end of the tightening element has a pair of positioning portions, and the pair of positioning portions can be respectively embedded Set on the pair of positioning rails, so that the first end can move along the second direction.

Preferably, the first shaft member includes a fastener and a reset member, the reset member is arranged on the fastener, the second shaft member includes a buckle groove and a shaft element, and the shaft member can be a shaft according to a third direction. Rotate according to the heart, wherein in the folded state, the buckle and the buckle groove are engaged with each other, and the third direction is parallel to the first side or the second side.

Preferably, the reset member has a spring portion, a first extension portion and a second extension portion respectively located on both sides of the spring portion, the first extension portion is adjacent to the fastener, and the second extension portion is located on the first body.

Preferably, the display device further includes a first display element and a second display element, the first display element is arranged on the first top surface of the first body to form a first display surface, and the second display element is arranged on the first display surface. The second top surface of the second body forms a second display surface, wherein in the unfolded state, the first display surface is substantially flush with the second display surface.

The display device of the present invention can at least have the following advantages: (1) In the display device of the present invention, the first body and the second body are respectively connected by a tightening module, so that the first body and the second body can reach the collapsed state of stacking up and down and the first body and the second body The unfolded state in which the top surface of the body is flush. Thereby, the display device of the present invention can use the display surface of the first body in the folded state, or use the display surfaces of the first body and the second body simultaneously in the unfolded state. (2) The display device of the present invention is provided by the rotating shaft module, so that the display device of the present invention can rotate relative to the second body when the display device of the present invention is in the unfolded state, so that the display device of the present invention has better performance. practicality.

In order to facilitate the understanding of the technical features, content and advantages of the present invention and the effects that can be achieved, the present invention is hereby described in detail with the accompanying drawings, and in the form of embodiments as follows, and the drawings used therein are only for the purpose of For the purpose of illustration and auxiliary description, it is not necessarily the real scale and precise configuration after the implementation of the present invention, so the ratio and configuration relationship of the attached drawings should not be interpreted or limited to the scope of rights of the present invention in actual implementation. Say Ming.

In the drawings, the thickness or width of elements such as panels are exaggerated for clarity. The same reference numerals refer to the same elements throughout the specification. It will be understood that when an element is referred to as being "on" or "connected to" or "disposed on" another element, it can be directly on or connected to the other element, or intervening elements may also be exist. In contrast, when an element is referred to as being "directly on" or "directly connected to" another element, there are no intervening elements present. As used herein, "connection" or "arrangement" may be a fixed or detachable connection or arrangement. In addition, if the terms "first", "second" and "third" are used for descriptive purposes only, they should not be construed as indicating or implying relative importance or their sequential relationship.

Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms such as those defined in commonly used dictionaries should be construed as having meanings consistent with their meanings in the context of the related art and the present invention, and are not to be construed as idealized or excessive Formal meaning unless expressly so defined herein.

Please refer to FIGS. 1 to 4 together, which are related schematic diagrams of the folded state and the unfolded state of the display device according to the first embodiment of the present invention. Wherein, the display device of the present invention may be a portable electronic device, such as a smart phone, a tablet computer, and the like.

As shown in the figure, the display device 1 of the present invention includes a first body 10 , a second body 20 , a first display element 30 , a second display element 40 , a rotating shaft module 50 and a tightening module 60 . The first body 10 includes a first top surface 11 , a first bottom surface 12 and a first side surface 13 . The first top surface 11 is opposite to the first bottom surface 12 , and the first side surface 13 is connected between the first top surface 11 and the first bottom surface 12 . Similarly, the second body 20 includes a second top surface 21 , a second bottom surface 22 and a second side surface 23 . The second top surface 21 is opposite to the second bottom surface 22 , and the second side surface 23 is connected between the second top surface 21 and the second bottom surface 22 . The first display element 30 is disposed on the first top surface 11 of the first body 10 to form a first display surface 31 , and the second display element 40 is disposed on the second top surface 21 of the second body 20 to form a first display surface 31 . Two display surfaces 41 .

It is worth mentioning that the display device 1 of the present invention has a collapsed state S1 and an expanded state S2. Further, in the folded state S1 , the first bottom surface 12 of the first body 10 is located on the second top surface 21 of the second body 20 , and the first side surface 13 and the second side surface 23 are respectively located opposite to the display device 1 . sides. That is to say, when looking at the first top surface 11 of the first body 10, the first side 13 is located on the left side of the first body 10; and when looking at the second top surface 21 of the second body 20, the second side 23 The system is located on the right side of the second body 20 . In the unfolded state S2, the first side surface 13 of the first body 10 is connected to the second side surface 23 of the second body 20, and the first display surface 31 is substantially flush with the second display surface 41; that is, the first display surface 31 It is substantially on the same plane as the second display surface 41 . The first display element 30 and the second display element 40 can be flexible panels, the first display element 30 can be properly curved on the first side 13 , and the second display element 40 can be properly curved on the second side 23 Therefore, when the first display surface 31 and the second display surface 41 are substantially in the same plane, the problem of discontinuity at the interface between the two display surfaces can be effectively improved.

Among other components, the rotating shaft module 50 includes a first rotating shaft member 51 and a second rotating shaft member 52 , and the tightening module 60 includes a tightening member 61 .

The first shaft member 51 is disposed inside the first body 10 from the first side 13 , and the second shaft member 52 is disposed inside the second body 20 from the second side 23 . With the above configuration, in the unfolded state S2, the first side surface 13 is connected to the second side surface 23, so that the first hinge member 51 is pivotally connected to the second hinge member 52, so that the first body 10 can be opposed to each other through the hinge module 50. Rotate on the second body 20 .

Wherein, the tightening member 61 can be a very thin steel film, which can have a first end 611 and a second end 612 opposite to each other, and the first end 611 is disposed inside the first body 10 while the second end 612 is disposed inside the second body 20 . Since the first body 10 is located on the second body 20 in the folded state S1 , the tightening member 61 will correspondingly form the first turning portion 613 and the second turning portion 614 . The first turning portion 613 is formed at a position corresponding to the first side surface 13 , and the second turning portion 614 is formed at a position corresponding to the second side surface 23 . In addition, since the first body 10 is connected to the side of the second body 20 in the unfolded state S2, the tightening member 61 is substantially flat.

It is worth mentioning that, in addition to the tightening element 61 , the tightening module 60 may include a first pulling element 62 and a second pulling element 63 . The first pulling element 62 is disposed on the first body 10 and is connected to the first end 611 of the tightening member 61 , and the second pulling element 63 is disposed on the second body 20 and connected to the first end 611 of the tightening member 61 . Two ends 612 . Among them, the first pulling element 62 and the second pulling element 63 may have elements such as springs, so that under the condition that the length of the tightening member 61 remains unchanged, the elements such as springs will follow the retraction state S1. stretches, and shrinks with it in the expanded state S2.

Incidentally, although the above description includes the first pull-back element 62 and the second pull-back element 63 , in practical application, only the first pull-back element 62 may be provided in consideration of factors such as cost, or Only the second pull-back element 63 is provided; therefore, the two pull-back elements in this embodiment should not be used as a limitation.

The above will be further described below. Please refer to FIG. 5 , which is a schematic structural diagram of the tightening module of the first embodiment of the display device of the present invention.

As shown in the figure, in addition to the tightening element 61 , the tightening module 60 may further include a first pulling element 62 . The first pulling element 62 is disposed on the first body 10 and connected to the first end 611 of the tightening member 61 to provide a pulling force for the tightening member 61 .

Further, the first pulling element 62 includes a first fixed pulley set 621 , a first movable pulley set 622 , a first rope body 623 and a first elastic member 624 . The first fixed pulley group 621 is disposed along the first direction D1 and fixed to the first top surface 11 , and the first direction D1 may be a direction parallel to the first side surface 13 or the second side surface 23 . The first movable pulley set 622 is pivotally connected to the first top surface 11 , and moves relative to the first top surface 11 along the second direction D2 , and the first direction D1 and the second direction D2 are substantially perpendicular to each other. Both ends of the first rope body 623 are respectively fixed to the first end 611 of the tightening member 61 , and the middle portion of the first rope body 623 is alternately wound around the first fixed pulley set 621 and the first movable pulley set 622 . One end of the first elastic member 624 is fixed to the first body 10 , and the other end is fixed to the first movable pulley assembly 622 , and the first elastic member 624 can be stretched or contracted along the second direction D2 .

When the display device 1 is in the folded state S1 , since the tightening member 61 can be bent, a force is generated to move the first end 611 of the tightening member 61 outward from the inside of the first body 10 . At this time, the first end 611 of the tightening member 61 will pull the first rope body 623 to indirectly cause the displacement of the first movable pulley assembly 622 . The first movable pulley group 622 is displaced from one end of the first elastic member 624 in the direction of the other end, so that the first elastic member 624 is stretched. In this case, since one end of the first elastic member 624 is fixed to the first body 10 and the other end is fixed to the first movable pulley set 622 , the first elastic member 624 will generate an elastic force from the first elastic force based on the elastic restoring force. The first movable pulley assembly 622 is pulled back by the force from the other end of the member 624 toward one end, and the first end 611 of the tightening member 61 is also indirectly pulled back.

Through the above structural configuration, when the display device 1 is in the unfolded state S2, the tightening module 60 can properly make the first body 10 and the second body 20 abut against each other, thereby increasing the distance between the first display surface 31 and the first display surface 31 in the unfolded state S2. The stability in use that the second display surface 41 is substantially located on the same plane.

Please refer to FIGS. 6 and 7 together, which are schematic diagrams of the structure of the hinge module of the first embodiment of the display device of the present invention and schematic diagrams of state changes of the display device.

As shown in the figure, for the hinge module 50 in detail, the hinge module 50 includes a first hinge member 51 and a second hinge member 52, and the first hinge member 51 includes a fastener 511 and a reset member 512, and The second shaft member 52 includes a locking groove 521 and a shaft member 522 . Wherein, the fastener 511 can be made of plastic or metal material, which is generally a long strip structure perpendicular to the first side surface 13 , and the middle section of the fastener 511 can be pivoted inside the first body 10 .

In addition, the first end portion 5111 of the fastener 511 is provided with a fastener portion 5112 , and the second end 5113 of the fastener 511 abuts against the interior of the first body 10 . The reset element 512 is disposed in the middle section of the fastener 511 to drive the fastener 511 to reset. In addition, the second shaft member 52 includes a locking groove 521 and a shaft member 522 . The buckle groove 521 is disposed at one end of the shaft member 522, and the shaft member 522 can rotate according to a third direction as the axis. In this embodiment, the third direction is parallel to the first side 13 or the second side 23. The direction, that is, the third direction is the first direction D1.

Further, the restoring member 512 has a spring portion 5121 , a first extending portion 5122 and a second extending portion 5123 . The first extension portion 5122 and the second extension portion 5123 are respectively connected to two sides of the spring portion 5121 . That is to say, the first extension portion 5122 is located at the first end portion 5111 , the second extension portion 5123 is located at the second end portion 5113 , and the first extension portion 5122 and the second extension portion 5123 are located at two sides of the fastener 511 respectively. side. Thereby, when the first side surface 13 is connected to the second side surface 23 , the restoring element 512 will generate a force so that the buckle portion 5112 is engaged with the buckle groove 521 .

Preferably, the spring portion 5121, the first extension portion 5122 and the second extension portion 5123 can be made in one piece, and the reset member 512 is preferably made of stainless steel, spring steel, beryllium copper, phosphor bronze, or brass. Such materials are commonly used by those with ordinary knowledge in the technical field when selecting the material of the spring.

With the above configuration, in the unfolded state S2, the first side surface 13 is connected to the second side surface 23, and the fastener 511 and the fastener groove 521 are engaged with each other (that is, the fastener portion 5112 and the fastener groove 521 are engaged with each other. combined), so that the first body 10 can rotate relative to the second body 20 through the rotating shaft element 522 .

Please refer to FIG. 8 , which is a schematic structural diagram of the first tightening module of the second embodiment of the display device of the present invention. In this embodiment, the configurations and operations of the components that are not specifically described are similar to those in the previous embodiment, and the similarities are not repeated here.

As shown in the figure, the main difference between the present embodiment and the foregoing embodiments is that the first pulling element 62 can further include a pair of first pulley rails 625 and a pair of first positioning rails 626 . The first pulley track 625 and the first positioning track 626 are disposed on the first top surface 11 , and the first pulley track 625 and the first positioning track 626 are disposed along the second direction D2 .

Wherein, opposite ends of the first movable pulley set 622 can be respectively embedded in the pair of first pulley rails 625 . Thereby, when the first movable pulley group 622 is displaced, it can move stably relative to the pair of first pulley rails 625 along the second direction D2. In addition, the first end 611 of the tightening member 61 may have a pair of positioning portions 613 corresponding to the first positioning rail 626 . The pair of positioning portions 613 can be embedded in the pair of first positioning rails 626 respectively, so that the first end 611 of the tightening member 61 can move stably along the second direction D2.

Incidentally, the positioning portion 613 may be an integrally formed structure, such as a convex point or a wing portion or a rib portion formed by bending and facing the first positioning rail 626 . Of course, the positioning portion 613 can also be an additional element fixed on the first end 611 of the tightening member 61 .

Please refer to FIG. 9 , which is a schematic structural diagram of a third embodiment of the display device of the present invention. In this embodiment, the configurations and operations of the components that are not specifically described are similar to those in the previous embodiment, and the similarities are not repeated here.

As shown in the figure, the main difference between this embodiment and the previous embodiments is that in this embodiment, in addition to the first pulling element 62 and the first certain pulley set included in the first pulling element 62 of the foregoing embodiments 621, the first movable pulley set 622, the first rope body 623, the first elastic member 624, the pair of first pulley rails 625 and the pair of first positioning rails 626, the tightening module 60 further includes a second pulling element 63. The second pulling element 63 is disposed on the second body 20 and connected to the second end 612 of the tightening member 61 to further provide a pulling force for the tightening member 61 .

The configuration of the second pullback element 63 is substantially similar to that of the first pullback element 62 . In detail, the second pulling element 63 includes a second fixed pulley set 631 , a second movable pulley set 632 , a second rope body 633 , a second elastic member 634 , a pair of second pulley rails 635 and a pair of second positioning rails 636 . The second fixed pulley group 631 is disposed along the first direction D1 and fixed to the second top surface 21 . The second movable pulley assembly 632 is pivotally connected to the second top surface 21 and moves relative to the second top surface 21 along the second direction D2. Both ends of the second rope body 633 are respectively fixed to the second end 612 of the tightening member 61 , and the middle portion of the second rope body 633 is staggered around the second fixed pulley set 631 and the second movable pulley set 632 . One end of the second elastic member 634 is fixed to the second body 20, and the other end is fixed to the second movable pulley assembly 632, and the second elastic member 634 can be stretched or contracted along the second direction D2.

With the above structure, when the display device 1 is in the folded state S1 , the tightening member 61 is bent, thereby generating a force to move the second end 612 of the tightening member 61 outward from the inside of the second body 20 . At this time, the second end 612 of the tightening member 61 will pull the second rope body 633 to indirectly cause the displacement of the second movable pulley assembly 632 . The second movable pulley group 632 is displaced from one end of the second elastic member 634 in the direction of the other end, so that the second elastic member 634 is stretched. In this case, since one end of the second elastic member 634 is fixed to the second body 20 and the other end is fixed to the second movable pulley set 632 , the second elastic member 634 will generate a second elastic force based on the elastic restoring force. The second movable pulley assembly 632 is pulled back by the force of the other end of the member 634 toward one end, and the second end 612 of the tightening member 61 is also indirectly pulled back.

In addition, the second pulley track 635 and the second positioning track 636 are disposed on the second top surface 21 , and the second pulley track 635 and the second positioning track 636 are disposed along the second direction D2 . Wherein, opposite ends of the second movable pulley set 632 can be respectively embedded in the pair of second pulley rails 635, so that the second pulley rails 635 can be stably relative to the second pulley rails 635 along the second direction D2. move. The second end 612 of the tightening member 61 has a pair of positioning portions 613 corresponding to the second positioning rails 636 , and the pair of positioning portions can be respectively embedded in the pair of second positioning rails 636 , so that the first The two ends 612 can move stably along the second direction D2.

Through the above structure, when the display device 1 is in the unfolded state S2 , the tightening module 60 can use the tightening element 61 , the first pulling element 62 and the second pulling element 63 to properly make the first body 10 and the second body 63 . 20 abut against each other, thereby increasing the stability in use when the first display surface 31 and the second display surface 41 are substantially located on the same plane in the unfolded state S2.

To sum up, the display device of the present invention is connected with the first body and the second body respectively by the tightening module, so that the first body and the second body can reach the collapsed state of stacking up and down, and the first body and the second body The unfolded state in which the top surface of the body is flush. Thereby, the display device of the present invention can use the display surface of the first body in the folded state, or use the display surfaces of the first body and the second body simultaneously in the unfolded state. In addition, the display device of the present invention utilizes two display elements, so even after changing the folded state and the unfolded state for many times, it will not affect or damage the display element. Furthermore, the display device of the present invention is provided with the rotating shaft module, so that the first body of the display device of the present invention can rotate relative to the second body when the display device of the present invention is unfolded, so that the display device of the present invention has better practicability .

The above description is exemplary only, not limiting. Any equivalent modifications or changes that do not depart from the spirit and scope of the present invention shall be included in the appended patent application scope.

1: Display device 10: The first body 11: The first top surface 12: The first bottom surface 13: The first side 20: Second body 21: Second top surface 22: Second bottom surface 23: Second side 30: The first display element 31: The first display surface 40: Second display element 41: Second display surface 50: Spindle module 51: The first shaft piece 511: Fasteners 5111: First end 5112: Buckle part 5113: Second end 512: reset piece 5121: Spring Department 5122: First extension 5123: Second extension 52: The second shaft 521: Buckle slot 522: Rotary shaft components 60: Tighten the module 61: tight collection 611: First End 612: Second End 613: The first turning point 614: Second Turn 613: Positioning Department 62: The first pull-back element 621: The first certain pulley block 622: The first moving pulley block 623: The first rope body 624: First elastic piece 625: First Pulley Track 626: First positioning track 63: Second pull-back element 631: The second fixed pulley block 632: Second moving pulley block 633: Second rope body 634: Second elastic piece 635: Second pulley track 636: Second positioning track D1: first direction D2: Second direction S1: collapsed state S2: Expanded state

In order to make the above-mentioned purpose, technical features, and gain after actual implementation more obvious and easy to understand, the following will be described in more detail with the aid of a preferred embodiment example and corresponding related drawings. FIG. 1 is a first schematic diagram of a folded state of the display device according to the first embodiment of the present invention. FIG. 2 is a second schematic diagram of the folded state of the display device according to the first embodiment of the present invention. FIG. 3 is a first schematic diagram of the unfolded state of the first embodiment of the display device of the present invention. FIG. 4 is a second schematic diagram of the unfolded state of the first embodiment of the display device of the present invention. FIG. 5 is a schematic structural diagram of the first tightening module of the first embodiment of the display device of the present invention. FIG. 6 is a schematic structural diagram of a rotating shaft module of the first embodiment of the display device of the present invention. FIG. 7 is a schematic diagram of the state change of the first embodiment of the display device of the present invention. FIG. 8 is a schematic structural diagram of the first tightening module of the second embodiment of the display device of the present invention. FIG. 9 is a schematic structural diagram of a second tightening module of the second embodiment of the display device of the present invention.

1: Display device

10: The first body

11: The first top surface

12: The first bottom surface

13: The first side

20: Second body

21: Second top surface

22: Second bottom surface

23: Second side

30: The first display element

31: The first display surface

40: Second display element

41: Second display surface

51: The first shaft piece

52: The second shaft

60: Tighten the module

61: tight collection

611: First End

612: Second End

613: The first turning point

614: Second Turn

62: The first pull-back element

63: Second pull-back element

Claims (10)

A display device has a folded state and an unfolded state, the display device comprising: a first body, comprising a first top surface, a first bottom surface opposite to the first top surface, and a first side surface connecting the first top surface and the first bottom surface; A second body includes a second top surface, a second bottom surface opposite to the second top surface, and a second side surface connecting the second top surface and the second top surface, in the collapsed state , the first bottom surface of the first body is located on the second top surface of the second body, and the first side surface and the second side surface are respectively located on opposite sides of the display device; A rotating shaft module includes a first rotating shaft member and a second rotating shaft member, the first rotating shaft member is disposed inside the first body from the first side surface, and the second rotating shaft member is disposed from the second side surface Inside the second body, in the unfolded state, the first hinge member is pivotally connected to the second hinge member; and A tightening module includes a tightening member, the tightening member has a first end and a second end opposite to each other, wherein the first end is disposed on the first body, and the second end is disposed on the first body two bodies, Wherein, in the folded state, a first turning portion is formed at the position corresponding to the first side surface of the tightening member, and a second turning portion is formed at a position corresponding to the second side surface, and in the unfolded state , the tight fitting is substantially flat. The display device as claimed in claim 1, wherein the tightening module further comprises a first pull-back element, the first pull-back element is disposed on the first body, and is connected to the first pull-back element of the tightening element end. The display device of claim 2, wherein the first pull-back element comprises: A certain pulley set is arranged along a first direction and fixed on the first top surface; a movable pulley assembly, pivotally connected to the first top surface, moves relative to the first top surface along a second direction, and the first direction is substantially perpendicular to the second direction; a rope body, two ends of which are respectively fixed on the first end of the tightening element, and the middle part of the rope body is staggered around the fixed pulley block and the movable pulley block; and One end of an elastic piece is fixed on the first body, and the other end is fixed on the movable pulley block, and the elastic piece can be stretched or contracted along the second direction. The display device according to claim 1, wherein the tightening module further comprises a second pull-back element, the second pull-back element is disposed on the second body and connected to the second pull-back element of the tightening element end. The display device according to claim 4, wherein the second pull-back element further comprises: A certain pulley set is arranged along a first direction and fixed on the second top surface; a movable pulley assembly, pivotally connected to the second top surface, moves relative to the second top surface along a second direction, and the first direction is substantially perpendicular to the second direction; a rope body, the two ends of which are respectively fixed on the second end of the tightening element, and the middle part of the rope body is staggered around the fixed pulley block and the movable pulley block; and One end of an elastic piece is fixed on the second body, and the other end is fixed on the movable pulley block, and the elastic piece can be stretched or contracted along the second direction. The display device according to claim 3, wherein the first pull-back element further comprises: A pair of pulley rails are arranged on the first top surface, and the pair of pulley rails extend along the second direction, wherein opposite ends of the movable pulley assembly can be respectively embedded in the pair of pulley tracks, so that the movable pulley assembly moveable along the second direction relative to the pair of pulley tracks; and A pair of positioning rails are arranged on the first top surface, and the pair of positioning rails extend along the second direction, wherein the first end of the tightening member has a pair of positioning portions, and the pair of positioning portions can be are respectively embedded in the pair of positioning rails, so that the first end can move along the second direction. The display device according to claim 5, wherein the second pull-back element further comprises: A pair of pulley rails are arranged on the second top surface, and the pair of pulley rails extend along the second direction, wherein opposite ends of the movable pulley assembly can be respectively embedded in the pair of pulley tracks, so that the movable pulley assembly moveable relative to the pulley track along the second direction; and A pair of positioning rails are arranged on the second top surface, and the pair of positioning rails extend along the second direction, wherein the second end of the tightening element has a pair of positioning portions, and the pair of positioning portions can be are respectively embedded in the pair of positioning rails, so that the first end can move along the second direction. The display device as claimed in claim 1, wherein the first hinge member comprises a fastener and a reset member, the reset member is disposed on the fastener, and the second hinge member comprises a fastener groove and a hinge element , the shaft element can rotate according to a third direction as the axis, wherein in the unfolded state, the buckle and the buckle groove are engaged with each other, and the third direction is parallel to the first side or the first Two sides. The display device according to claim 8, wherein the reset member has a spring portion, a first extension portion and a second extension portion located on two sides of the spring portion, respectively, and the first extension portion is adjacent to the fastener , the second extension part is located in the first body. The display device of claim 1, further comprising a first display element and a second display element, the first display element is disposed on the first top surface of the first body to form a first display surface, The second display element is disposed on the second top surface of the second body to form a second display surface, wherein in the unfolded state, the first display surface is substantially flush with the second display surface.

Images