CN111524458B - Display device - Google Patents
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- CN111524458B CN111524458B CN202010304970.6A CN202010304970A CN111524458B CN 111524458 B CN111524458 B CN 111524458B CN 202010304970 A CN202010304970 A CN 202010304970A CN 111524458 B CN111524458 B CN 111524458B
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- rollers
- display panel
- display device
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
- G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
- G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
- G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
Abstract
The invention provides a display device, and belongs to the technical field of display. The invention provides a display device which comprises a display panel and a rotating assembly. The display panel comprises a first side and a second side which are arranged oppositely, and the first side is fixedly connected with the rotating assembly. The rotating assembly comprises a plurality of rollers and a conveying structure sleeved on the outer sides of the rollers, and the conveying structure is fixedly connected with the first side. The rollers rotate under the action of external force to drive the conveying structure to move along with the rollers, so that the display panel connected to the conveying structure is unfolded or stored. After the display panel is completely stored, the display panel between the rollers is in a flat storage state, so that the stress applied to the display panel in the storage state can be reduced, and deformation or displacement of each layer structure of the display panel can be avoided.
Description
Technical Field
The invention belongs to the technical field of display, and particularly relates to a display device.
Background
With the development of display technology, flexible display panels are increasingly used in various fields, the flexible display panels have a flexible property, and the overall size of the flexible display panels can be reduced by folding the flexible display panels for storage or winding the flexible display panels on a roll for storage, thereby facilitating carrying and transportation.
However, if the flexible display panel is wound on the roller for a plurality of times to be stored, the flexible display panel may receive stress generated by a restoring force in a bent state, and the stress is accumulated in the whole flexible display panel in proportion to time, so that each layer structure in the flexible display panel is deformed and displaced, thereby affecting a display effect.
Disclosure of Invention
The present invention is directed to at least one of the technical problems of the prior art, and provides a display device, which can reduce the stress applied to the display panel in the storage state, thereby preventing the deformation or displacement of each layer structure of the display panel.
The technical scheme adopted for solving the technical problem of the invention is a display device, which comprises: a display panel and a rotating assembly; wherein the content of the first and second substances,
the display panel comprises a first side and a second side which are oppositely arranged, and the first side is fixedly connected with the rotating assembly;
the rotating assembly comprises a plurality of rollers and a transmission structure sleeved outside the rollers, and the transmission structure is fixedly connected with the first side;
the rollers rotate under the action of external force to drive the conveying structure to move along with the rollers, so that the display panel connected to the conveying structure is unfolded or stored.
According to the display device provided by the invention, the first side of the display panel is fixed on the conveying structure, then the plurality of rollers rotate, the display panel is wound on the plurality of rollers to be stored by matching with the conveying structure, and the display panel among the plurality of rollers is in a flat storage state, so that the stress applied to the display panel in the storage state can be reduced, and the deformation or displacement of each layer structure of the display panel can be avoided.
Preferably, the display device provided by the present invention further comprises: and a roller interval adjuster connected to the plurality of rollers, for adjusting the interval between the plurality of rollers to maintain the display panel in a loose state after the display panel is received outside the plurality of rollers.
Preferably, the display device provided by the present invention further comprises: the rotating assembly is arranged in the shell, two ends of the rollers are fixed to two sides of the shell, and the two sides of the shell are arranged along the length direction of the first side; wherein the content of the first and second substances,
the shell with the both sides that a plurality of rollers correspond are provided with respectively and adjust the slide rail, the both ends of a plurality of rollers are connected respectively on the regulation slide rail of shell both sides.
Preferably, the conveying structure is provided with a protruding structure at one side close to the rollers, the rollers are provided with grooves corresponding to the protruding structure, and the protruding structure is clamped in the grooves to fix the relative positions of the conveying structure and the rollers.
Preferably, the conveying structure is provided with a bayonet, and the bayonet is in interference connection with the first side of the display panel.
Preferably, the bayonet comprises a receiving area and a clamping area;
the accommodating area is positioned on one side of the conveying structure close to the plurality of rollers and is used for accommodating the end part of the first side of the display panel;
the clamping area extends from the containing area to the direction back to the rollers and comprises a first face and a second face which are opposite, the first face and the second face are obliquely arranged relative to the plane where the conveying structure is connected with the display panel, a gap is formed between the first face and the second face, the length direction of the gap is parallel to the first side, and the first side can be clamped into the gap.
Preferably, the first surface and the second surface are arc-shaped slopes, and a convex portion of the arc-shaped slope of the first surface is opposite to a convex portion of the arc-shaped slope of the second surface.
Preferably, the display panel includes a display area portion and a non-display area portion; wherein the content of the first and second substances,
the non-display area part is located on the first side, and the non-display area part is in interference connection with the bayonet.
Preferably, the conveying structure comprises a conveyor belt or a conveyor chain.
Preferably, the display device provided by the present invention further comprises: and the driving assembly is connected with the rollers and is used for driving the rollers to rotate so as to unfold or fold the display panel.
Drawings
Fig. 1 is a schematic structural diagram (side view) of an embodiment of a display device provided in this embodiment;
fig. 2 is a schematic structural diagram of an embodiment of a display device provided in this embodiment;
fig. 3 is a schematic structural diagram (without adjusting the roller spacing) of an embodiment of the display device provided in this embodiment;
fig. 4 is a schematic structural diagram (adjusted roller pitch) of an embodiment of the display device provided in this embodiment;
fig. 5 is a schematic structural diagram (top view) of an embodiment of a rotating assembly in the display device provided in this embodiment;
FIG. 6 is a schematic structural diagram (a side cut view along the direction E-F) of an embodiment of a rotating assembly in the display device according to the present embodiment;
fig. 7 is a partial side view of a bayonet of a transfer structure in the display device provided in the present embodiment;
fig. 8 is a schematic structural diagram of the connection between the bayonet of the transmission structure and the display panel in the display device provided in this embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The shapes and sizes of the various elements in the drawings are not to scale and are merely intended to facilitate an understanding of the contents of the embodiments of the invention.
Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in this disclosure is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. Also, the use of the terms "a," "an," or "the" and similar referents do not denote a limitation of quantity, but rather denote the presence of at least one. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 and fig. 2, the present embodiment provides a display device including a display panel 1 and a rotation member 2.
Specifically, the display panel 1 includes a first side a and a second side B disposed opposite to each other, and the first side a of the display panel 1 is fixedly connected to the rotating assembly 2. The rotating assembly 2 includes at least a plurality of rollers 21, a transmission structure 22 is further sleeved outside the rollers 21, and the first side a of the display panel 1 is fixed on the transmission structure 22. The display panel 1 is a flexible display panel and has a flexibility, if the display panel 1 is to be stored, the plurality of rollers 21 rotate under the action of external force, the rotating rollers 21 drive the conveying structure 22 sleeved outside the rollers to move, and the conveying structure 22 drives the display panel 1 connected to the conveying structure 22 to be wound outside the plurality of rollers 21, so that the storage is completed. Accordingly, when the display panel 1 is to be unfolded from the plurality of rollers 21, the plurality of rollers 21 are rotated by an external force, at this time, the rotation direction of the plurality of rollers is opposite to the rotation direction of the display panel 1 to be stored, the plurality of rollers 21 drive the conveying structure 22 sleeved thereon to move, the conveying structure 11 drives the display panel 1 wound on the outer side of the plurality of rollers 21 to be gradually unwound from the outer side of the plurality of rollers 21, and finally the display panel 1 is unfolded.
It should be noted that the first side a and the second side B of the display panel 1 are the first side a and the second side B (see fig. 2) which are oppositely arranged when the display panel 1 is in the unfolded state, and when the display panel 1 is in the unfolded state, the first side a is close to the rotating assembly 2 relative to the second side B.
In the display device provided by this embodiment, the first side a of the display panel 1 is fixed on the transmission structure, and then the plurality of rollers 21 are rotated by an external force, and the display panel 1 is wound around the plurality of rollers 21 to be stored in cooperation with the transmission structure 22, and because in the storage state, the display panel 1 between the plurality of rollers 21 is in a relatively flat state and is not bent, that is, the display panel 1 in the flat state is not subjected to stress, and the display panel 1 is bent only at the side surfaces of the two rollers 21 on the left and right sides, compared with the state where the display panel 1 is wound around a single roller 21 to be stored, the display device provided by this embodiment can greatly reduce the stress (for example, the stress generated by recovery deformation) applied to the display panel 1 in the storage state, thereby being capable of avoiding deformation or displacement of each layer structure of the display panel 1.
It should be noted that the display device provided in this embodiment may include any roller 21, the specific number of rollers may be set as required, and if the length of the display panel 1 is longer, the number of rollers 21 may be correspondingly increased, so that the display panel 1 can be smoothly stored outside the plurality of rollers 21, and wrinkles of the display panel 1 are avoided. For convenience of description, the following description will be given by taking an example in which the display device includes two rollers 21, but the present invention is not limited thereto.
Alternatively, as shown in fig. 3 and 4, the display device provided in this embodiment may further include a roller interval adjuster 3, the roller interval adjuster 3 being connected to the plurality of rollers 21, which is used to adjust the spacing between the rollers 21, as shown in fig. 3, by way of example in which the rotating assembly 2 comprises two rollers, after the display panel 1 is received outside the two rollers 21, the portion of the display panel 1 between the two adjacent rollers 21 is in a state of being tightened outside the two rollers 21 with the distance between the two rollers 21 being L, see fig. 4, the roller distance adjuster 3 adjusts the distance between the two rollers 21 (from L to L'), therefore, the display panel 1 can be wound around the outside of the roller 21 in a loose state, and compared with a state in which the display panel 1 is tightened on the outside of the roller 21, stress applied to the display panel 1 during storage can be further reduced, and deformation or displacement of each layer structure in the display panel 1 can be further avoided.
Alternatively, as shown in fig. 1 and 2, the display device provided in this embodiment may further include a housing 4, the rotating assembly 2 is disposed in the housing 4, and the display panel 1 is wound outside the plurality of rollers 21 and is accommodated in the housing 4. Both ends of the plurality of rollers 21 in the rotating assembly 2 are fixed to both sides of the housing 4, both sides of the housing 4 are arranged along the length direction of the first side a of the display panel 1, the plurality of rollers 21 may be disposed along the length direction of the first side a, and both sides of the housing 4 are located at both ends of the plurality of rollers 21 in the length direction. Specifically, when the display panel 1 is in the unfolded state, a connecting line between a midpoint of the first side a of the display panel 1 and a midpoint of the second side B of the display panel 1 is relatively perpendicular to a connecting line between centers of two sides of the housing 4. If the display device is provided with the roller spacing adjuster 3, correspondingly, the two sides of the housing 4 corresponding to the plurality of rollers 21 are respectively provided with the adjusting slide rails 23, and the two ends of the plurality of rollers 21 are respectively connected to the adjusting slide rails 23 on the two sides of the housing 4, so that when the spacing between the rollers 21 is to be adjusted, the plurality of rollers 21 slide in the adjusting slide rails 23 connected with the rollers under the driving of the roller spacing adjuster 3, so as to adjust the spacing between the plurality of rollers.
Alternatively, the roller spacing adjuster 3 may include a motor connected thereto, the motor being used to drive the roller spacing adjuster 3 to operate, and the motor may include various types of motors, which are not limited herein.
Alternatively, as shown in fig. 5 and fig. 6, where fig. 5 is a top view of the rotating assembly 2 (the roller 21 is hidden under the conveying structure 22), fig. 6 is a side cut view of the conveying structure 22 and the roller 21 along the direction E-F, one side of the conveying structure 22 close to the roller may have a protrusion structure 221, the plurality of rollers 21 have a groove 211 corresponding to the protrusion structure 221 of the conveying structure 22, if the conveying structure 22 is sleeved outside the plurality of rollers 21, the protrusion structure 221 of the conveying structure 22 can be snapped into the groove 211 of the plurality of rollers 21, and the relative position of the conveying structure 22 and the plurality of rollers 21 is fixed by the cooperation of the protrusion structure 221 and the groove 211, so as to prevent the conveying structure 22 from falling off the roller 21.
Further, as shown in fig. 5, 7, and 8, where fig. 7 and 8 are side views of the transmitting structure 22 at the position of the bayonet 001, the transmitting structure 22 has a bayonet 001 thereon, and the bayonet 001 is in interference connection with the first side a of the display panel 1, that is, the opening width of the bayonet 001 is smaller than the thickness of the display panel 1, referring to fig. 8, the first side a of the display panel 1 can be snapped into the bayonet 001 on the transmitting structure 22 to fix the display panel 1 on the transmitting structure 22, so that the transmitting structure 22 can drive the display panel 1 to wind around the outer sides of the plurality of rollers 21 when rotating.
Alternatively, as shown in fig. 7 and 8, the bayonet 001 on the transmission structure 22 includes a receiving area 011 and a holding area 012. The accommodation area 011 is located on the side of the conveyance structure 22 close to the plurality of rollers 21, and the accommodation area 011 serves to accommodate an end portion of the first side a of the display panel 1 (as shown in fig. 8). The holding region 012 extends to the outside of the communication by the direction of the accommodating region 011 away from the plurality of rollers 21, the holding region 012 includes the relative first face C and the second face D, the first face C and the second face D of the bayonet 001 are arranged obliquely relative to the plane where the transmission structure 22 meets the display panel 1, a gap is formed between the first face C and the second face D, the length direction of the gap is parallel to the first side a of the display panel 1, and the first side a of the display panel 1 can be clamped into the gap formed by the first face C and the second face D. In addition, the width of the gap formed by the first surface C and the second surface D is smaller than the thickness of the display panel 1, so that the clamping area 012 of the bayonet 001 can clamp the first side a of the display panel 1.
Optionally, the first face C and the second face D of the bayonet 001 are both arc-shaped inclined planes, that is, the first face C and the second face D of the bayonet 001 are disposed obliquely with respect to the plane of the transmission structure 22, so that the clamping area 012 formed by the first face C and the second face D is an opening inclined with respect to the plane of the transmission structure 22, and the first side a of the display panel 1 is clamped into the bayonet 001 at an inclined angle, which can prevent the first side a of the display panel 1 from being scratched by a sharp portion at the connection point of the bayonet 001 and the plane of the transmission structure 22. And, bayonet 001's first face C and second face D are the arc inclined plane, and bayonet 001's first face C's the convex part on arc inclined plane is relative with bayonet 001's second face D's the convex part on arc inclined plane to can further avoid some a of low of display panel 1 to be by the fish tail.
If the first surface C and the second surface D of the bayonet 001 are arc-shaped inclined surfaces, the width of the gap formed by the first surface C and the second surface D is defined by the distance between the highest point of the convex portion of the first surface C and the highest point of the convex portion of the second surface C.
Further, as shown in fig. 1 and 8, the display panel 1 includes a display area portion 12 and a non-display area portion 11, if the display panel 1 is in the unfolded state, the display area portion 12 is located outside the housing 4, and the non-display area portion 11 is located inside the housing 4, so that the display area of the display area portion 12 can be prevented from being affected. The non-display area portion 11 of the display panel 1 is located on the first side a of the display panel 1, and the non-display area portion 11 is in interference connection with the bayonet 001 of the transmission structure 22, that is, the portion of the display panel 1 which is clamped into the bayonet 001 is the non-display area portion 11.
Alternatively, the non-display area portion 11 of the display panel 1 may be provided with a circuit device such as a driving circuit of the display panel, and an end portion of the non-display area portion 11 may be placed in the accommodation area 011 of the bayonet 001, so that the circuit device such as the driving circuit can be prevented from occupying an additional space.
Alternatively, in the display device provided in this embodiment, the conveying structure 22 may include various types of structures, for example, the conveying structure 22 may be a conveying belt, and for example, the conveying structure 22 may be a conveying chain, and the specific structure of the conveying structure 22 may be designed as needed as long as the conveying structure 22 can be sleeved outside the plurality of rollers 21 and fixed to the first side a of the display panel 1, which is not limited herein.
Optionally, as shown in fig. 1 and fig. 3, the display device provided in this embodiment further includes a blocking structure 5, the blocking structure 5 is disposed at an end of the second side B of the display panel 1, the housing 4 has an opening, the display panel 1 moves from the opening of the housing 4, after the display panel 1 is received in the housing 4, the blocking structure 5 abuts against the housing 4 to block the end of the second side B of the display panel 1 from entering the housing 4, and when the display panel 1 needs to be unfolded next time, the blocking structure 5 may be pulled to unfold the display panel 1. The width of the blocking structure 5 needs to be larger than the opening on the housing 4, and the blocking structure 5 may be any shape structure, such as a rectangular strip, a cylinder, a prism, etc., without limitation.
Optionally, the display device provided in this embodiment may further include a driving assembly, where the driving assembly is connected to the plurality of rollers 22, and the driving assembly is configured to drive the plurality of rollers to rotate so as to unfold or fold the display panel 1. The driving assembly may be disposed inside the housing 4, or may be disposed outside the housing 4, which is not limited herein. The driving assembly may include various types of driving elements, for example, the driving assembly may be a stepping motor, and may be designed according to the needs, and is not limited herein.
It should be noted that, the display device provided in this embodiment may be: any product or component with a display function, such as a mobile phone, a tablet computer, a television, a display, a notebook computer, a digital photo frame, a navigator and the like. Other essential components of the display device are understood by those skilled in the art, and are not described herein or should not be construed as limiting the invention.
It will be understood that the above embodiments are merely exemplary embodiments taken to illustrate the principles of the present invention, which is not limited thereto. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit and substance of the invention, and these modifications and improvements are also considered to be within the scope of the invention.
Claims (8)
1. A display device, comprising: a display panel and a rotating assembly; wherein the content of the first and second substances,
the display panel comprises a first side and a second side which are oppositely arranged, and the first side is fixedly connected with the rotating assembly;
the rotating assembly comprises a plurality of rollers and a transmission structure sleeved outside the rollers, and the transmission structure is fixedly connected with the first side;
the rollers rotate under the action of external force to drive the conveying structure to move along with the rollers, so that the display panel connected to the conveying structure is unfolded or stored;
the display device further includes: a roller interval adjuster connected to the plurality of rollers, for adjusting an interval between the plurality of rollers to maintain the display panel in a relaxed state after the display panel is received outside the plurality of rollers;
the display device further includes: the rotating assembly is arranged in the shell, two ends of the rollers are fixed to two sides of the shell, and the two sides of the shell are arranged along the length direction of the first side; wherein the content of the first and second substances,
the shell with the both sides that a plurality of rollers correspond are provided with respectively and adjust the slide rail, the both ends of a plurality of rollers are connected respectively on the regulation slide rail of shell both sides.
2. The display device according to claim 1, wherein the side of the transmission structure close to the rollers is provided with a protruding structure, the rollers are provided with grooves corresponding to the protruding structure, and the protruding structure is clamped in the grooves to fix the relative position of the transmission structure and the rollers.
3. The display apparatus as claimed in claim 1, wherein the transmission structure has a bayonet thereon, and the bayonet is in interference connection with the first side of the display panel.
4. A display device as claimed in claim 3, wherein the bayonet comprises a receiving region and a retaining region;
the accommodating area is positioned on one side of the conveying structure close to the plurality of rollers and is used for accommodating the end part of the first side of the display panel;
the clamping area extends from the containing area to the direction back to the rollers and comprises a first face and a second face which are opposite, the first face and the second face are obliquely arranged relative to the plane where the conveying structure is connected with the display panel, a gap is formed between the first face and the second face, the length direction of the gap is parallel to the first side, and the first side can be clamped into the gap.
5. The display device according to claim 4, wherein the first surface and the second surface are arc-shaped slopes, and a convex portion of the arc-shaped slope of the first surface is opposite to a convex portion of the arc-shaped slope of the second surface.
6. The display device according to claim 3, wherein the display panel includes a display area portion and a non-display area portion; wherein the content of the first and second substances,
the non-display area part is located on the first side, and the non-display area part is in interference connection with the bayonet.
7. The display device of claim 1, wherein the conveying structure comprises a conveyor belt or a conveyor chain.
8. The display device according to claim 1, further comprising: and the driving assembly is connected with the rollers and is used for driving the rollers to rotate so as to unfold or fold the display panel.
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| CN202010304970.6A CN111524458B (en) | 2020-04-17 | 2020-04-17 | Display device |
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| CN202010304970.6A CN111524458B (en) | 2020-04-17 | 2020-04-17 | Display device |
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| CN111524458B true CN111524458B (en) | 2022-04-26 |
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| CN210073256U (en) * | 2019-06-04 | 2020-02-14 | 天津长伟照明科技有限公司 | LED lamp box with movable lamp box cloth |
| CN110738930A (en) * | 2019-10-10 | 2020-01-31 | 云谷（固安）科技有限公司 | curled flexible display device |
| CN110728913A (en) * | 2019-10-31 | 2020-01-24 | 上海天马有机发光显示技术有限公司 | Display device |
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| CN111524458A (en) | 2020-08-11 |
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