CN118116280A - Support device and curl display apparatus - Google Patents

Abstract

The invention relates to a supporting device, which is used for supporting a flexible display panel and comprises a plurality of supporting structures arranged side by side along a first direction, wherein each supporting structure comprises a strip-shaped supporting plate extending along a second direction perpendicular to the first direction and connecting components positioned at two ends of the extending direction of the supporting plate; the two adjacent connecting components are pivoted through a pin shaft, so that the supporting device is switched between a first state and a second state; an angle limiting part is arranged between every two adjacent connecting assemblies, when the supporting device is in the first state, the angle limiting part limits the adjacent two supporting structures, so that the adjacent two supporting structures are located on the same plane, and when the supporting device is in the second state, the angle limiting part limits the adjacent two supporting structures, so that a preset included angle is formed between the adjacent two supporting structures. The invention also relates to a curled display device.

Description

Support device and curl display apparatus

Technical Field

The invention relates to the technical field of manufacturing of display products, in particular to a display device.

Background

For curled electronic equipment, the supporting mechanism of the flexible screen is a key part, and the part of the flexible screen, which is pulled out of the winding drum, needs to be provided with the supporting mechanism which cannot be bent to support the flexible screen so as to avoid the deformation of the flexible screen to influence the display and touch control of the flexible screen; when the flexible screen is wound into the winding drum, the supporting mechanism cannot influence the flexible screen to do curling motion. Current support structures employ a chain structure to achieve conversion between a rolled state and a flattened state, but are not self-locking when the support structure is in a certain state.

Disclosure of Invention

In order to solve the technical problems, the invention provides a supporting device and a curled display device, which solve the problem that self-locking cannot be realized in a curled state and a flattened state of a supporting structure.

In order to achieve the above purpose, the technical scheme adopted by the embodiment of the invention is as follows: a support device for supporting a flexible display panel, comprising a plurality of support structures arranged side by side in a first direction, each of the support structures comprising a bar-shaped support plate extending in a second direction perpendicular to the first direction, and connection members at both ends of the support plate in the extending direction;

the two adjacent connecting components are pivoted through a pin shaft, so that the supporting device is switched between a first state and a second state;

An angle limiting part is arranged between every two adjacent connecting assemblies, when the supporting device is in the first state, the angle limiting part limits the adjacent two supporting structures, so that the adjacent two supporting structures are located on the same plane, and when the supporting device is in the second state, the angle limiting part limits the adjacent two supporting structures, so that a preset included angle is formed between the adjacent two supporting structures.

Optionally, the angle limiting part includes a first clamping groove and a second clamping groove on one of the two adjacent connecting components, and a clamping piece on the other of the two adjacent connecting components, where in the first state, the clamping piece is matched with the first clamping groove, and in the second state, the clamping piece is matched with the second clamping groove.

Optionally, the connecting component includes a body in the second direction, the body includes a first side and a second side that are oppositely disposed, the first side is connected with the supporting plate, the second side is provided with the first clamping groove and the second clamping groove, the first clamping groove and the second clamping groove are stacked in a third direction, and the open ends of the first clamping groove and the second clamping groove are disposed opposite to each other, the third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction

In the first direction, the body includes relative third side and the fourth side that sets up, the third side includes the joint spare, the joint spare includes can block into corresponding first draw-in groove or the spliced pole in the second draw-in groove, the axial direction of spliced pole with the second direction is parallel.

Optionally, the first clamping groove and the second clamping groove are arranged at intervals in the third direction.

Optionally, in the second direction, the body includes first portion and second portion, first portion with the backup pad is connected, the second portion is including keeping away from in the second direction first side of first portion, be provided with the recess on the first side in the third direction, form respectively on two relative first lateral walls of recess first draw-in groove with the second draw-in groove, the recess still include with the second lateral wall that the first lateral wall is adjacent, a breach is seted up on the second lateral wall.

Optionally, the corner where the fourth side and the second side intersect extends in a direction away from the fourth side to form an extension portion, and one side of the extension portion, close to the support plate, is convexly provided with the connecting column.

Optionally, the pin shaft is arranged on one side of the third side or the fourth side, and pin shaft holes matched with the pin shaft are arranged on the other side of the third side and the fourth side.

Optionally, the fourth side is provided with the pin shaft, the third side is provided with a pin shaft hole matched with the pin shaft, the pin shaft hole is arranged in the first portion, and the pin shaft is arranged in the second portion.

Optionally, in the third direction, a thickness of the connection assembly is greater than a thickness of the support plate.

The embodiment of the invention also provides a curled display device, which comprises:

a cylindrical housing having a receiving chamber;

the scroll is rotatably arranged in the accommodating cavity;

In the first direction, the fixed end of the supporting device is connected with the scroll, and the free end of the supporting device can be wound on the scroll or pulled out of the shell;

and the flexible display panel is arranged on the supporting device.

Optionally, the spool includes a first semicircular portion and a second semicircular portion along a radial center line of the spool, the first semicircular portion has a larger diameter than the second semicircular portion, and an end of the first semicircular portion is flush with an end of the second semicircular portion along an extending direction of the radial center line of the spool.

Optionally, the difference between the diameter of the first semicircular portion and the diameter of the second semicircular portion is the same as the thickness of the connection assembly.

Optionally, the outer circumferential surface of the spool includes a plurality of connection planes, and the number of connection planes of the first semicircular portion is the same as the number of connection planes of the second semicircular portion.

Optionally, the support device includes a plurality of support structure groups, when the support device is in the second state, each support structure group forms a winding layer wound on the winding shaft, each support structure group includes a first winding portion corresponding to the first semicircle portion and a second winding portion corresponding to the second semicircle portion, the widths of the support structures in the first winding portion in the second direction are the same, and the widths of the support structures in the second winding portion in the second direction are the same.

Optionally, the width of the support structures in the first winding portion of the support structure group is gradually increased, and the width of the support structures in the second winding portion is gradually increased, from the fixed end to the free end.

Optionally, along the axial direction of the housing, two ends of the housing are respectively provided with an end cover, and two ends of the reel respectively pass through the corresponding end covers and are exposed out of the end covers.

Optionally, a limiting block is connected to the outer peripheral surface of the end cover, and the limiting block can be inserted into the opening of the casing to limit the flexible display panel.

Optionally, along the axial direction of the casing, the two ends of the casing are respectively provided with a rotating wheel, and the rotating wheels can drive the scroll to synchronously rotate.

Optionally, a polygonal hole is formed in the center of the rotating wheel, and polygonal protrusions matched with the corresponding polygonal holes are respectively arranged at two ends of the scroll.

Optionally, an uneven structure is arranged on the outer peripheral surface of the rotating wheel.

The beneficial effects of the invention are as follows: the two adjacent connecting components are pivoted to realize the conversion of the supporting device between the first state and the second state, and the self-support of the supporting device in the first state and the second state is realized through the angle limiting part, namely the self-locking of the supporting device in the first state and the second state is realized.

Drawings

FIG. 1 shows a schematic diagram of a scrolling display device in an embodiment of the invention;

FIG. 2 shows a schematic view of a support structure in accordance with an embodiment of the present invention;

FIG. 3 is a schematic diagram of a second embodiment of a support structure;

FIG. 4 shows a schematic view of a connection assembly in an embodiment of the invention;

FIG. 5 is a partial schematic view of a support device according to an embodiment of the invention in a first state;

FIG. 6 is a partial schematic view of the support device in a second state according to an embodiment of the present invention;

FIG. 7 shows a schematic view of a handle in an embodiment of the invention;

FIG. 8 shows a partial schematic view of the cross-sectional view of FIG. 1;

FIG. 9 is a schematic view showing a crimping apparatus in a rolled state in an embodiment of the present invention;

FIG. 10 is a schematic view showing the structure of a housing in an embodiment of the present invention;

FIG. 11 shows a schematic structural view of a spool in an embodiment of the present invention;

FIG. 12 shows a schematic view of an end cap in an embodiment of the invention;

FIG. 13 is a schematic view showing the connection of the end cap to the housing in an embodiment of the invention;

FIG. 14 shows a schematic view of a rotor wheel in an embodiment of the invention;

FIG. 15 is a schematic view showing a first state in which the supporting device is wound in the housing according to the embodiment of the present invention;

FIG. 16 is a second schematic view showing a state where the supporting device is wound around the housing according to the embodiment of the present invention;

fig. 17 shows a third schematic view of a supporting device wound in a housing according to an embodiment of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It will be apparent that the described embodiments are some, but not all, embodiments of the invention. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the invention, fall within the scope of protection of the invention.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The currently adopted chain-type structural support structure can freely realize the conversion of the support structure in a flattened state and a curled state, but cannot realize the support limit of the support structure in the flattened state and the curled state, namely, the support structure cannot be bent when in the flattened state, and can be kept flat, and the support structure can be kept in a bent state when in the curled state.

Referring to fig. 1 to 17, in view of the above-described problems, the present embodiment provides a supporting apparatus 1 for supporting a flexible display panel 3, comprising a plurality of supporting structures 10 arranged side by side in a first direction (refer to the X direction in fig. 1), each of the supporting structures 10 comprising a bar-shaped supporting plate 11 extending in a second direction (refer to the Y direction in fig. 1) perpendicular to the first direction, and connecting members 12 at both ends in the extending direction of the supporting plate 11;

The two adjacent connecting components 12 are pivoted through a pin shaft 117, so that the supporting device 1 is switched between a first state and a second state;

an angle limiting part is arranged between the adjacent two connecting assemblies 12, when the supporting device 1 is in the first state, the angle limiting part limits the adjacent two supporting structures 10, so that the adjacent two supporting structures 10 are located on the same plane, and when the supporting device 1 is in the second state, the angle limiting part limits the adjacent two supporting structures 10, so that a preset included angle is formed between the adjacent two supporting structures 10.

The two adjacent connecting components 12 are pivoted to realize the conversion of the supporting device 1 between the first state and the second state, and realize the self-support of the supporting device 1 in the first state and the second state, namely realize the self-locking of the supporting device 1 in the first state and the second state through the angle limiting part. Specifically, when the first state is a flattened state and the second state is a curled state, the angle limiting portion is provided, so that the supporting device 1 cannot bend in the flattened state, and the supporting device 1 maintains a bent state in the curled state.

The self-locking of the supporting device 1 in the first state and the second state is self-locking under the condition that no external force is applied, and the supporting device 1 can be switched between the first state and the second state under the action of the external force.

It should be noted that, the supporting device 1 includes a carrying surface for carrying the flexible display panel 3, in the first state, two adjacent supporting structures 10 are located on the same plane, specifically, the carrying surfaces of two adjacent supporting structures 10 are located on the same plane, so that the flexible display panel is kept in a flattened state.

In an embodiment, the supporting plate 11 is used for supporting the flexible display panel 3, the thickness of the connecting component 12 is different from the thickness of the supporting plate 11, in the first state, the supporting plates 11 of two adjacent supporting structures 10 are located on the same plane (i.e. one surface of a plurality of supporting plates forms the bearing surface together), and in the second state, the preset angle is formed between the supporting plates 11 of two adjacent supporting structures 10.

Referring to fig. 4-6, in an exemplary embodiment, the angle limiting portion includes a first clamping groove 112 and a second clamping groove 113 located on one connecting component 12 of two adjacent connecting components 12, and a clamping member located on the other connecting component 12 of two adjacent connecting components 12, where in the first state, the clamping member is matched with the first clamping groove 112, and in the second state, the clamping member is matched with the second clamping groove 113.

In an exemplary embodiment, the connection assembly 12 includes a body 111, in the second direction (refer to the Y direction in fig. 1), the body 111 includes a first side and a second side disposed opposite to each other, the first side is connected to the support plate 11, the second side is provided with the first and second clamping grooves 112 and 113, the first and second clamping grooves 112 and 113 are disposed to overlap each other in a third direction (refer to the Z direction in fig. 4), and the open ends of the first and second clamping grooves 112 and 113 are disposed to face each other, the third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction

In the first direction, the body 111 includes a third side and a fourth side that are disposed opposite to each other, the third side includes the clamping member, the clamping member includes a connection post 114 that can be clamped into the corresponding first clamping groove 112 or second clamping groove 113, and an axial direction of the connection post 114 is parallel to the second direction.

In an exemplary embodiment, the first card slot 112 and the second card slot 113 are spaced apart in the third direction. The distance between the first clamping groove 112 and the second clamping groove 113 in the third direction may be set according to actual needs, and the larger the distance between the first clamping groove 112 and the second clamping groove 113 in the third direction, the larger the angle between two adjacent support structures 10 of the support device 1 in the second state may be.

In the second state, the preset angle between two adjacent support structures 10 may be 30-60 degrees, and in the second state, the preset angle between two adjacent support structures 10 may be determined according to the number of support structures 10 included in one winding of the support device 1, for example, the support device 1 may be wound around 12 support structures 10, the preset angle between two adjacent support structures 10 may be 30 degrees, and the support device 1 may be wound around 6 support structures 10, and in the second state, the preset angle between two adjacent support structures 10 may be 60 degrees.

In the exemplary embodiment, in the second direction, the body 111 includes a first portion 1011 and a second portion 1012, the first portion 1011 is connected to the supporting plate 11, the second portion 1012 includes a first side surface far away from the first portion 1011 in the second direction, a groove 1001 is disposed on the first side surface, in the third direction, the first clamping groove 112 and the second clamping groove 113 are formed on two opposite first side walls of the groove 1001, the groove 1001 further includes a second side wall adjacent to the first side wall, and a notch 115 is formed on the second side wall, referring to fig. 4.

The connection mode of the clamping piece and the first clamping groove 112 or the second clamping groove 113 is an interference fit mode, the area of the opening end of the first clamping groove 112 or the area of the opening end of the second clamping groove 113 is smaller than the orthographic projection area of the connecting column 114 in the third direction, and the notch 115 is arranged, so that the opening end of the first clamping groove 112 and the opening end of the second clamping groove 113 have elastic deformation performance, and the connecting column 114 can be smoothly clamped into (or separated from) the first clamping groove 112 or the second clamping groove 113 under the action of external force, so that the interference fit of the clamping piece and the first clamping groove 112 or the second clamping groove 113 is realized.

Illustratively, the length of the notch 115 in the second direction is the same as the length of the first clamping groove 112 or the second clamping groove 113 in the second direction, so as to effectively ensure that the connecting post 114 is matched with the first clamping groove 112 or the second clamping groove 113, so as to realize the transition of the supporting device 1 between the first state and the second state and realize self-locking in the corresponding state.

It should be noted that, the shape of the first clamping groove 112 or the second clamping groove 113 corresponds to the shape of the connecting post 114, for example, the connecting post 114 is a cylinder, and the first clamping groove 112 and the second clamping groove 113 are cylindrical grooves corresponding to the cylinder, and in the first direction, the width of the notch 115 is smaller than the diameter of the cylindrical groove, so as to avoid that the connecting post 114 is separated from the first clamping groove 112 or the second clamping groove 113 in the absence of an external force.

In the exemplary embodiment, the corner where the fourth side and the second side meet extends away from the fourth side to form an extension portion 118, and the side of the extension portion 118 near the support plate 11 is convexly provided with the connection post 114.

The supporting device 1 includes a supporting side for supporting the flexible display panel 3, the extending portion 118 includes a first surface 1180 located on the supporting side, the first surface 1180 is an inclined surface extending obliquely from the body 111 to a direction away from the supporting side in the third direction, and an angle between the inclined surface and the body 111 is the same as the preset angle between two adjacent supporting structures 10 in the second state of the supporting device 1, so as to avoid interference.

In the second direction, the front projection of the extension 118 of one connection assembly 12 onto the connection assembly 12 connected to the connection assembly 12 is located in the corresponding connection assembly 12, so as to avoid influencing the winding of the support device 1.

In a specific embodiment, the two connected connection assemblies 12 include a first connection assembly and a second connection assembly, the extension portion 118 includes a bottom surface 1181 disposed adjacent to the inclined surface, and in the third direction, the body 111 includes a first surface and a second surface disposed opposite to each other, the first surface being located at a support side for supporting the flexible display panel 3, in the first state, the bottom surface 1181 of the first connection assembly is parallel to the second surface of the second connection assembly (refer to fig. 5), and in the second state, the inclined surface of the first connection assembly is parallel to the first surface of the second connection assembly (refer to fig. 6).

In the first state, the bottom surface 1181 of the first connecting component is parallel to the second surface of the second connecting component, which is not absolutely parallel, and may be within a certain angle range, for example, an angle between the bottom surface 1181 and the second surface of the second connecting component is 0-5 degrees. Also, in the second state, the inclined surface of the first connection member is parallel to the first surface of the second connection member, which is not absolutely parallel thereto, and may be within a certain angle range, for example, an angle between the inclined surface and the first surface of the second connection member is 0-5 degrees.

In an exemplary embodiment, the pin 117 is disposed on one of the third side or the fourth side, and pin holes 116 are disposed on the other of the third side and the fourth side to mate with the pin 117.

The pin 117 may be disposed on the same side as the connecting post 114, or may be disposed on a different side from the connecting post 114, as long as the pivoting of the two adjacent connecting assemblies 12 is achieved, which is not limited herein.

In an exemplary embodiment, the pin 117 is disposed on the fourth side, the pin hole 116 is disposed on the third side to be matched with the pin 117, and the pin hole 116 is disposed on the first portion 1011, and the pin 117 is disposed on the second portion 1012.

In an exemplary embodiment, the pin hole 116 is exposed to the second portion 1012, the pin hole 116 has a center line parallel to the second direction, the pin hole 116 is located on a first side 1160 of a side of the center line away from the fourth side, the first side 1160 is a convex curved surface, and a side of the first portion 1011 located on the third side is a concave curved surface conforming to the shape of the first side 1160.

The pin holes 116 are exposed in the second portion 1012 to facilitate mating of the pin holes 116 with corresponding pins 117 and to reduce the length of the connection assembly 12 in the second direction.

The arrangement of the convex curved surface and the concave curved surface facilitates the mutual rotation between the two adjacent connecting components 12.

Illustratively, the convex curved surface is half of the outer side of a cylindrical structure and the concave curved surface is half of the inner side of a cylindrical structure.

In an exemplary embodiment, the second side 1110 of the second portion 1012 on the fourth side is a concave curved surface conforming to the shape of the outer peripheral surface of the pin 117.

Referring to fig. 2 and 3, in the exemplary embodiment, the thickness of the connection assembly 12 is greater than the thickness of the support plate 11 in the third direction. Specifically, in the third direction, the thickness of the connection member 12 is greater than the sum of the thickness of the support plate 11 and the thickness of the flexible display panel 3 carried on the support plate 11, or the orthographic projection of the support plate 11 on the connection member 12 is located at the middle region of the connection member 12.

When the supporting device 1 is used for supporting the flexible display panel 3 in the second state, the flexible display panel 3 is supported on the supporting plate 11, and the connecting components 12 are located on two sides of the flexible display panel 3. In the second state, the supporting device 1 may be wound for a plurality of turns, so that the supporting plates 11 of two adjacent turns have a space therebetween, that is, with the winding of the supporting device 1, the two adjacent turns of the flexible display panel 3 have a space therebetween, so as to avoid the damage of the flexible display panel 3 (refer to fig. 15-17).

Illustratively, the support means is for supporting a flexible display panel of a curled display device, the support means comprising, along the first direction, a fixed end for fixed connection with a reel in the curled display device and a free end exposed as a pull handle to a housing of the curled display device.

Fig. 2 is a schematic structural view of the fixed end, fig. 3 is a schematic structural view of a supporting structure between the fixed end and the free end, and fig. 7 is a schematic structural view of the free end.

Comparing fig. 2 and fig. 3, the connecting component of the fixed end is different from the connecting component of the supporting structure between the fixed end and the free end, the first connecting hole 102 used for being connected with the reel is arranged on the connecting component of the fixed end, the angle limiting part is not arranged on the connecting component of the fixed end, and the fixed end is fixed on the reel, so that the connecting component of the fixed end only needs to be provided with a pin hole connected with the connecting component pivoted with the connecting component of the fixed end.

Comparing fig. 7 and fig. 3, the free end is used as a handle and is exposed out of the casing of the curled display device, a limit blocking part is arranged on one side of the free end away from the fixed end, so as to ensure that the free end is exposed out of the casing of the curled display device, an angle limit part is not arranged on a connecting component of the free end, and the connecting component of the free end only needs to be provided with a pin shaft connected with the connecting component adjacent to the connecting component.

Referring to fig. 1 to 17, an embodiment of the present invention also provides a curled display device comprising:

a cylindrical housing 2 having an accommodating chamber;

the scroll 5 is rotatably arranged in the accommodating cavity;

In the above-mentioned supporting device 1, in the first direction, the fixed end of the supporting device 1 is connected with the reel 5, and the free end of the supporting device 1 can be wound on the reel 5 or pulled out of the housing 2;

a flexible display panel 3 arranged on the support device 1.

The support device 1 comprises a plurality of support structures 10 arranged along a first direction, the support structures 10 comprise support plates 11 and connecting assemblies 12 positioned at two opposite ends of the support plates 11, and the flexible display panel 3 is carried on the support plates 11.

By adopting the supporting device 1 to support the flexible display panel 3, the conversion of the flexible display panel 3 in the flattened state and the curled state can be realized, and the self-locking of the flexible display panel 3 in the flattened state and the curled state can be realized.

Referring to fig. 11, in an exemplary embodiment, the spool 5 includes a first semicircular portion 51 and a second semicircular portion 52 along a radial center line (refer to a dotted line in fig. 11) of the spool 5, the first semicircular portion 51 has a larger diameter than the second semicircular portion 52, and one end of the first semicircular portion 51 is flush with one end of the second semicircular portion 52 along an extending direction of the radial center line of the spool 5 and along an extending direction of the radial center line.

Illustratively, along the extending direction of the radial center line, the first semicircular portion 51 includes a first connecting end and a second connecting end which are opposite, the second semicircular portion 52 includes a third connecting end and a fourth connecting end which are opposite, the first connecting end and the third connecting end are flush, the second connecting end is exposed to the fourth connecting end, and the fixed end of the supporting device 1 is fixedly connected to the outer peripheral surface of the fourth connecting end.

The fourth connection end described with reference to fig. 2 and 11 is provided on its outer circumferential surface with a second connection hole 502 for cooperation with the first connection hole on the fixed end.

In an exemplary embodiment, the difference between the diameter of the first semicircular portion 51 and the diameter of the second semicircular portion 52 is the same as the thickness of the connection assembly 12. The flexible display panel 3 in the rolled state is protected from additional stress to the flexible display panel 3.

In an exemplary embodiment, the outer circumferential surface of the spool 5 includes a plurality of connection planes 501, and the number of connection planes 501 of the first semicircular portion 51 is the same as the number of connection planes 501 of the second semicircular portion 52.

The diameters of the first semicircular portion 51 and the second semicircular portion 52 are different, and the number of the connection planes 501 of the first semicircular portion 51 and the number of the connection planes 501 of the second semicircular portion 52 are the same, so that the plurality of support structures 10 in the support device 1 and the plurality of connection planes 501 can be arranged in a one-to-one correspondence, and the structural arrangement of the support device 1 is simplified.

In order to ensure the curled state of the supporting device 1, in the second state, the angle between two adjacent supporting structures 10 is related to the number of connection planes 501 on the outer peripheral surface of the winding shaft 5, specifically, the angle between two adjacent supporting structures 10 is the same as the angle between two adjacent connection planes 501, so as to simplify the structural arrangement of the supporting structures 10.

In an exemplary embodiment, the support device 1 includes a plurality of sets of the support structures 10, each set of the support structures 10 forming a winding layer wound on the winding shaft 5 when the support device 1 is in the second state, each set of the support structures 10 including a first winding portion corresponding to the first semicircular portion 51 and a second winding portion corresponding to the second semicircular portion 52, the support structures 10 in the first winding portion having the same width in the second direction, and the support structures 10 in the second winding portion having the same width in the second direction.

Illustratively, the diameter of the first semicircular portion 51 is different from the diameter of the second semicircular portion 52, and the number of connection planes 501 on the outer circumferential surface of the first semicircular portion 51 and the number of connection planes 501 on the outer circumferential surface of the second semicircular portion 52 are the same, on the basis that the width of the support structure 10 in the first winding portion in the second direction is larger than the width of the support structure 10 in the second winding portion in the second direction.

In an exemplary embodiment, the width of the support structures 10 in the first winding portion of the group of support structures 10 is gradually increased, and the width of the support structures 10 in the second winding portion is gradually increased, from the fixed end to the free end.

Referring to fig. 15-17, in the second state, the support device 1 is wound on the reel 5 to form a plurality of winding layers, and the widths of the support structures 10 on the plurality of winding layers are gradually increased along the direction from inside to outside (i.e., the direction away from the reel 5).

Illustratively, in a direction away from the spool 5, a plurality of the winding layers include a first winding layer and a second winding layer disposed adjacently, the first winding layer including a first supporting structure 1013, the second winding layer including a second supporting structure 1014 corresponding to the first supporting structure 1013 (i.e., the first supporting structure 1013 and the second supporting structure 1014 correspond to the same connecting plane 501 on the outer peripheral surface of the spool 5), and an orthographic projection of the first supporting structure 1013 on the second winding layer is located on the second supporting structure 1014, referring to fig. 17.

In order to better illustrate the positional relationship between the winding layers, fig. 17 is a simplified schematic diagram of fig. 16.

Illustratively, the orthographic projection of the first support structure 1013 onto the second winding layer is located at a middle portion of the second support structure 1014.

Referring to fig. 8-10, in an exemplary embodiment, an opening 2001 is formed on the outer peripheral surface of the housing 2, the opening 2001 is a strip-shaped opening 2001 extending along the axial direction of the housing 2, the opening 2001 is disposed through the housing 2 along the axial direction of the housing 2, and the free end of the supporting device 1 protrudes from the opening 2001 and is exposed out of the opening 2001.

Illustratively, along the circumferential direction of the housing 2, the housing 2 includes a first open end and a second open end located at opposite sides of the opening 2001, the first open end extends along a tangential direction of the housing 2 to form a first guide portion 211, the second open end extends along a direction parallel to the first guide portion 211 toward the inside of the housing 2 to form a second guide portion 212, the first guide portion 211 and the second guide portion 212 are spaced apart, and an orthographic projection of the second guide portion 212 on the first guide portion 211 is located in the first guide portion 211.

Illustratively, the second guiding portion 212 includes a connecting line connected to the housing 2, which is flush with the outer side surface of the first guiding portion 211, so as to ensure that the supporting device 1 is entirely located inside the housing 2 when the supporting device 1 is in the second state.

Illustratively, the free end is provided with a limit stopper 20 (refer to fig. 16), and the thickness of the limit stopper 20 in the direction perpendicular to the first guide 211 is greater than the width of the opening 2001, that is, the thickness of the limit stopper in the direction perpendicular to the first guide 211 is greater than the distance between the first guide 211 and the second guide 212, so that the limit stopper 20 is exposed to the housing 2 as a handle.

Illustratively, a groove 1001 is provided on a side of the limit stop 20 adjacent to the first guide 211, so as to facilitate the pulling out of the supporting device 1.

Referring to fig. 7 and 9, the groove 1001 may also be disposed at a side of the first guide 211 near the limit stopper.

Illustratively, the groove 1001 may include a first sub-groove and a second sub-groove, where the first sub-groove is disposed on a side of the first guide portion 211 near the limit stop portion, and the second sub-groove is disposed on a side of the limit stop portion near the first guide portion 211, and the first sub-groove and the second sub-groove are formed around the groove 1001.

Referring to fig. 10, 12 and 13, in an exemplary embodiment, along an axial direction of the housing 2, both ends of the housing 2 are respectively provided with end caps 6, and both ends of the spool 5 respectively pass through the corresponding end caps 6 and are exposed to the end caps 6.

The periphery of the center hole of the end cover 6 is provided with a bearing 61, two ends of the scroll 5 are respectively provided with an annular protrusion 53 (refer to fig. 11) matched with the bearing 61, and the end cover 6 can limit the flexible display panel 3, so that the flexible display panel 3 is ensured not to generate obvious axial dislocation when being pulled out from the inside of the shell 2.

Referring to fig. 10, illustratively, a plurality of lugs 21 extending toward the center of the housing 2 are disposed on inner side surfaces of two axial ends of the housing 2 at intervals, a third connecting hole 201 is disposed on the lugs 21, fourth connecting holes corresponding to the third connecting holes 201 one by one are disposed on the circumferential edge of the end cover 6, and the third connecting holes and the fourth connecting holes cooperate to allow bolts 63 to pass through to fixedly connect the end cover 6 and the housing 2 together.

In an exemplary embodiment, a limiting block 62 is connected to the outer peripheral surface of the end cover 6, and the limiting block 62 may be inserted into the opening 2001 of the housing 2 to limit the flexible display panel 3.

Referring to fig. 9 and 14, in an exemplary embodiment, in an axial direction of the housing 2, two ends of the housing 2 are respectively provided with a rotating wheel 7, and the rotating wheel 7 may drive the spool 5 to rotate synchronously.

By rotating the wheel 7, a transition of the support device 1 from the first state to the second state is achieved, i.e. the support device 1 is wound on the reel 5.

In this embodiment, the support device 1 may be switched from the first state to the second state by manually rotating the rotating wheel 7, but the present invention is not limited thereto, and for example, an automatic rotation of the rotating wheel 7 may be achieved by providing a driving structure such as a motor.

In an exemplary embodiment, the center of the rotating wheel 7 is provided with a polygonal hole 71, and both ends of the winding shaft 5 are respectively provided with polygonal protrusions 54 which are matched with the corresponding polygonal holes, referring to fig. 11 and 14.

Referring to fig. 14, in an exemplary embodiment, the outer circumferential surface of the rotating wheel 7 is provided with a concave-convex structure 72 to facilitate manual rotation of the rotating wheel 7.

Illustratively, the rotating wheel 7 is further provided with a hollow pattern 73, and the hollow pattern 73 is disposed around the periphery of the polygonal hole 71, so that a user can rotate the rotating wheel through the hollow pattern 73.

It should be noted that, the first area between the hollowed pattern 73 and the concave-convex structure 72 is a solid portion, and the orthographic projection of the bolt 63 for connecting the end cover 6 and the housing 2 on the rotating wheel is located in the first area, so that the appearance of the curled display device is more attractive.

It is to be understood that the above embodiments are merely illustrative of the application of the principles of the present invention, but not in limitation thereof. Various modifications and improvements may be made by those skilled in the art without departing from the spirit and substance of the invention, and are also considered to be within the scope of the invention.

Claims (20)

1. A supporting device for supporting a flexible display panel, comprising a plurality of supporting structures arranged side by side in a first direction, each of the supporting structures comprising a bar-shaped supporting plate extending in a second direction perpendicular to the first direction, and connecting members at both ends of the supporting plate in the extending direction;

the two adjacent connecting components are pivoted through a pin shaft, so that the supporting device is switched between a first state and a second state;

An angle limiting part is arranged between every two adjacent connecting assemblies, when the supporting device is in the first state, the angle limiting part limits the adjacent two supporting structures, so that the adjacent two supporting structures are located on the same plane, and when the supporting device is in the second state, the angle limiting part limits the adjacent two supporting structures, so that a preset included angle is formed between the adjacent two supporting structures.

2. The support device of claim 1, wherein the angular stop portion includes a first slot and a second slot on one of the two adjacent connection assemblies, and a clip on the other of the two adjacent connection assemblies, the clip engaging the first slot in the first state and the clip engaging the second slot in the second state.

3. The support device of claim 2 wherein the support device comprises a support frame,

The connecting assembly comprises a body, wherein the body comprises a first side and a second side which are oppositely arranged in the second direction, the first side is connected with the supporting plate, the second side is provided with a first clamping groove and a second clamping groove, the first clamping groove and the second clamping groove are overlapped in the third direction, the open end of the first clamping groove and the open end of the second clamping groove are oppositely arranged, the third direction is perpendicular to the first direction, and the third direction is perpendicular to the second direction

In the first direction, the body includes relative third side and the fourth side that sets up, the third side includes the joint spare, the joint spare includes can block into corresponding first draw-in groove or the spliced pole in the second draw-in groove, the axial direction of spliced pole with the second direction is parallel.

4. A support device according to claim 3, wherein the first and second slots are spaced apart in the third direction.

5. A support device according to claim 3, wherein in the second direction the body comprises a first portion and a second portion, the first portion being connected to the support plate, the second portion comprising a first side surface remote from the first portion in the second direction, the first side surface being provided with a recess, in the third direction the first and second slots being formed in opposite first side walls of the recess, respectively, the recess further comprising a second side wall adjacent to the first side wall, the second side wall being provided with a notch.

6. A support device according to claim 3, wherein the corner of the fourth side where the second side meets extends away from the fourth side to form an extension, and the side of the extension adjacent to the support plate is provided with the connecting post.

7. A support device according to claim 3, wherein one of the third or fourth sides is provided with the pin shaft, and the other of the third and fourth sides is provided with a pin shaft hole which mates with the pin shaft.

8. The support device of claim 5, wherein the pin is provided on the fourth side, a pin hole is provided on the third side that mates with the pin, and the pin hole is provided in the first portion and the pin is provided in the second portion.

9. A support device according to claim 3, wherein the thickness of the connection assembly is greater than the thickness of the support plate in the third direction.

10. A scrolling display device, comprising:

a cylindrical housing having a receiving chamber;

the scroll is rotatably arranged in the accommodating cavity;

the support device of any one of claims 1-9, wherein in the first direction, a fixed end of the support device is connected to the spool, and a free end of the support device is windable on the spool or pulled out of the housing;

and the flexible display panel is arranged on the supporting device.

11. The scrolling display device of claim 10, wherein the scrolling shaft comprises a first semicircular part and a second semicircular part along a radial center line of the scrolling shaft, the first semicircular part having a larger diameter than the second semicircular part, and wherein one end of the first semicircular part is flush with one end of the second semicircular part along an extension of the radial center line of the scrolling shaft.

12. The curled display device of claim 11, wherein the difference in diameter of the first semicircular portion and the second semicircular portion is the same as the thickness of the connecting member.

13. The curled display device of claim 11, wherein the outer peripheral surface of the spool comprises a plurality of connection planes, and the number of connection planes of the first semicircular portion is the same as the number of connection planes of the second semicircular portion.

14. The curled display apparatus of claim 13 wherein the support means comprises a plurality of sets of support structures, each set of support structures comprising a winding layer wound on the spool when the support means is in the second state, each set of support structures comprising a first winding portion corresponding to the first semicircle portion and a second winding portion corresponding to the second semicircle portion, the support structures in the first winding portion having the same width in the second direction, the support structures in the second winding portion having the same width in the second direction.

15. The curled display device of claim 14, wherein the width of the support structures in the first rolled portion of the set of support structures increases progressively and the width of the support structures in the second rolled portion increases progressively from the fixed end to the free end.

16. The curled display device of claim 10, wherein along the axial direction of the housing, the housing is provided with end caps at both ends, respectively, and the reel is provided with end caps at both ends penetrating and being exposed from the end caps, respectively.

17. The curled display device of claim 16 wherein a stop is attached to the outer peripheral surface of the end cap, the stop being insertable into the opening of the housing to stop the flexible display panel.

18. The curl display device of claim 10, wherein, along an axial direction of said housing, both ends of said housing are respectively provided with a rotating wheel, said rotating wheel being capable of synchronously rotating said scroll.

19. The curl display device of claim 18, wherein the center of the wheel is provided with a polygonal hole, and both ends of the scroll are respectively provided with polygonal protrusions that mate with the corresponding polygonal holes.

20. The curled display device of claim 18, wherein the outer circumference of the wheel is provided with a relief structure.