CN212229976U - Supporting structure of flexible panel and flexible display device - Google Patents

Supporting structure of flexible panel and flexible display device Download PDF

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Publication number
CN212229976U
CN212229976U CN202021631866.XU CN202021631866U CN212229976U CN 212229976 U CN212229976 U CN 212229976U CN 202021631866 U CN202021631866 U CN 202021631866U CN 212229976 U CN212229976 U CN 212229976U
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China
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flexible panel
support structure
curved
flexible
boundary line
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CN202021631866.XU
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Chinese (zh)
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蒋志亮
赵攀
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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BOE Technology Group Co Ltd
Chengdu BOE Optoelectronics Technology Co Ltd
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Abstract

The utility model provides a bearing structure, flexible display device of flexible panel relates to and shows technical field, has realized after laminating flexible panel and bearing structure, and 3D effect can be realized to the product appearance. The support structure of the flexible panel comprises: the bending device comprises a plane part and at least one curved part positioned on the periphery of the plane part, wherein a boundary line is arranged between the curved part and the plane part, and the curved part is in a bending state by taking the boundary line as a bending axis. The utility model provides a bearing structure is used for with the laminating of flexible panel, support flexible panel.

Description

Supporting structure of flexible panel and flexible display device
Technical Field
The utility model relates to a show technical field, especially relate to a bearing structure, flexible display device of flexible panel.
Background
In practical applications, the flexible panel for folding is attached to a support structure having a certain rigidity, so that the flexible panel has a form matched with the support structure. As shown in fig. 1, in the prior art, a flexible panel is generally bonded to a support structure 10 having a planar structure, and although the flexible panel can be formed in a planar form, the appearance of the bonded product cannot achieve a 3D effect.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a bearing structure, flexible display device of flexible panel, realized with folding flexible panel and bearing structure laminating back, product appearance can have the 3D effect.
In order to achieve the above object, the present invention provides the following technical solutions:
a first aspect of the utility model provides a support structure of flexible panel, include: the bending device comprises a plane part and at least one curved part positioned on the periphery of the plane part, wherein a boundary line is arranged between the curved part and the plane part, and the curved part is in a bending state by taking the boundary line as a bending axis.
Optionally, the radius of curvature of the curved surface portion is greater than or equal to 9 mm.
Optionally, the curved portion has a first length along an extending direction of the boundary line, the curved portion has a first width along a direction perpendicular to the boundary line on a plane on which the planar portion is located, and a ratio between the first length and the first width is greater than or equal to 29.
Optionally, the first width is greater than or equal to 5.34 mm.
Optionally, in a normal direction of the planar portion, a height of the curved portion is less than or equal to 0.75 mm.
Optionally, the support structure comprises two curved portions, a first curved portion of the two curved portions is located on a first side of the planar portion, a second curved portion of the two curved portions is located on a second side of the planar portion, and the first side and the second side are opposite;
a first boundary line is arranged between the first curved surface part and the plane part, and the first curved surface part is bent by taking the first boundary line as a rotating shaft;
and a second boundary line is arranged between the second curved surface part and the plane part, and the second curved surface part is bent by taking the second boundary line as a rotating shaft.
Optionally, the support structure comprises a steel sheet.
Based on above-mentioned bearing structure's technical scheme, the utility model discloses a second aspect provides a flexible display device, including above-mentioned bearing structure.
Optionally, the flexible display device further includes a flexible panel, and the flexible panel is attached to the support structure.
Optionally, an orthographic projection of the flexible panel on the support structure coincides with the support structure.
Optionally, an orthographic projection of the flexible panel on the support structure is enclosed by the support structure.
Optionally, the flexible panel comprises an organic light emitting diode display panel.
Based on above-mentioned bearing structure's technical scheme, the utility model discloses a third aspect provides a bearing structure's preparation method for make above-mentioned bearing structure, the preparation method includes:
the method comprises the steps of manufacturing a plane part of the supporting structure and at least one curved surface part located on the periphery of the plane part, wherein a boundary line is arranged between the curved surface part and the plane part, and the curved surface part is bent by taking the boundary line as a rotating shaft.
The utility model provides an among the technical scheme, through setting up bearing structure includes plane part and curved surface part for folding with flexible panel with after the bearing structure laminating of structure, flexible panel include with the plane region of plane part laminating, and with the curved surface region of curved surface part laminating, thereby make the product appearance after the laminating can realize the 3D effect.
Drawings
The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:
FIG. 1 is a schematic view of a prior art support structure for a planar structure;
fig. 2 is a schematic view of a support structure provided in an embodiment of the present invention;
fig. 3 is a schematic cross-sectional view taken along a direction A1a2 in fig. 2.
Detailed Description
In order to further explain the supporting structure and the flexible display device of the flexible panel provided by the embodiments of the present invention, the following description is made in detail with reference to the accompanying drawings.
Referring to fig. 2 and 3, an embodiment of the present invention provides a supporting structure 20 for a flexible panel, including: the bending device comprises a plane part 201 and at least one curved part 202 positioned on the periphery of the plane part 201, wherein a boundary line 203 is formed between the curved part 202 and the plane part 201, and the curved part 202 is bent by taking the boundary line 203 as a bending axis.
In particular, the support structure comprises a planar portion 201 and at least one curved portion 202 located at the periphery of the planar portion 201. Illustratively, the planar portion 201 is of unitary construction with the at least one curved portion 202.
Illustratively, the planar portion 201 has a quadrilateral structure, and may be specifically selected to have a rectangular structure.
Illustratively, the curved portion 202 is located on a first side of the planar portion 201, a boundary line 203 is formed between the curved portion 202 and the planar portion 201, and the curved portion 202 can be bent around the boundary line 203. It is noted that the boundary line 203 is a boundary of the planar portion 201 on the first side, and the boundary line 203 is a boundary between the planar portion 201 and the curved portion 202 on the first side.
Since the support structure 20 includes the flat portion 201 and the curved portion 202, after the flexible panel for folding is attached to the support structure 20 of the structure, the flexible panel includes a flat area attached to the flat portion 201 and a curved area attached to the curved portion 202. Consequently, with flexible panel with the bearing structure 20 laminating back of structure, the product outward appearance after the laminating can realize the 3D effect, has effectively promoted the market competition of product.
However, since the cover plate of the flexible panel is generally made of polyimide, when the flexible panel is attached to the support structure 20, the cover plate is easily rebounded, which causes the separation between the flexible panel and the support structure 20, and reduces the product performance.
Referring to fig. 2 and 3, in view of the above problem, in some embodiments, the curvature radius R of the curved portion 202 is set to be greater than or equal to 9 mm.
Illustratively, the radius of curvature of the curved portion 202 is greater than or equal to 9.88 mm.
In more detail, in a cross section along the direction A1a2, the curved portion 202 is a continuous curve, which is subdivided into a plurality of curved segments having a certain length, each having a corresponding radius of curvature. Illustratively, the radius of curvature of the curved portion 202 is the smallest radius of curvature among the corresponding radii of curvature for each curved segment.
The above arrangement of the radius of curvature of the curved surface portion 202 is greater than or equal to 9mm, so that the curved surface portion 202 has a larger radius of curvature. The larger the curvature radius of the curved surface part 202 is, the smaller the curvature of the curved surface part 202 is, so that when the flexible panel is attached to the support structure 20, the smaller the rebound force of the part attached to the curved surface part 202 in the flexible panel is, thereby reducing the probability of cover plate rebounding in the flexible panel, better avoiding the separation between the flexible panel and the support structure 20, and effectively improving the performance of the product after the flexible panel is attached to the support structure 20.
Referring to fig. 2 and 3, in some embodiments, an extending direction along the boundary line 203 is provided, the curved portion 202 has a first length L, the curved portion 202 has a first width W in a direction perpendicular to the boundary line 203 on a plane on which the planar portion 201 is located, and a ratio between the first length L and the first width W is greater than or equal to 29.
Illustratively, the length of the planar portion 201 is equal to the first length L along the extension direction of the boundary line 203. The width of the planar portion 201 is larger than the first width in a direction perpendicular to the borderline 203.
Illustratively, the ratio between the first length L and the first width W is greater than or equal to 29.897.
In the support structure 20 provided in the above embodiment, by setting the ratio between the first length and the first width to be greater than or equal to 29, the curved portion 202 has a relatively large length-width ratio, so that when the flexible panel is attached to the support structure 20, the portion of the flexible panel attached to the curved portion 202 receives a relatively small bounce force, thereby reducing the probability of bounce of the cover plate in the flexible panel, better avoiding separation between the flexible panel and the support structure 20, and effectively improving the performance of the product after the flexible panel is attached to the support structure 20.
Referring to fig. 2 and 3, in some embodiments, the first width is set to be greater than or equal to 5.34 mm.
In some embodiments, the height H of the curved portion 202 is set to be less than or equal to 0.75mm in the normal direction of the planar portion 201.
Illustratively, the height of the curved surface portion 202 is set to be less than or equal to 0.748mm in the normal direction of the plane portion 201.
In the support structure 20 provided by the above embodiment, by setting the first width to be greater than or equal to 5.34mm, and setting the height of the curved portion 202 to be less than or equal to 0.75mm in the normal direction of the planar portion 201, the curved portion 202 has a suitable width and height, which is more beneficial to improving the bending effect of the flexible panel and the display effect of the flexible panel when the flexible panel is attached to the support structure 20.
Referring to fig. 2 and 3, in some embodiments, the supporting structure 20 includes two curved portions 202, a first curved portion of the two curved portions 202 is located on a first side of the plane portion 201, and a second curved portion of the two curved portions 202 is located on a second side of the plane portion 201, the first side and the second side being opposite;
a first boundary line is arranged between the first curved surface part and the plane part 201, and the first curved surface part is bent by taking the first boundary line as a rotating shaft;
a second boundary line is formed between the second curved surface portion and the plane portion 201, and the second curved surface portion is bent with the second boundary line as a rotation axis.
Specifically, a first curved surface portion of the two curved surface portions 202 is located on a first side of the plane portion 201, and a first boundary line is formed between the first curved surface portion and the plane portion 201, and the first curved surface portion is bent with the first boundary line as a rotating axis; illustratively, the radius of curvature of the first curved surface portion is greater than or equal to 9 mm; a ratio between the first length and the first width in the first curved surface portion is greater than or equal to 29; the first width is greater than or equal to 5.34 mm; the height of the first curved surface portion is less than or equal to 0.75mm in the normal direction of the planar portion 201.
A second curved surface portion of the two curved surface portions 202 is located on a second side of the plane portion 201, a second boundary line is formed between the second curved surface portion and the plane portion 201, and the second curved surface portion is bent by taking the second boundary line as a rotating axis; illustratively, the radius of curvature of the second curved surface portion is greater than or equal to 9 mm; a ratio between the first length and the first width in the second curved surface portion is greater than or equal to 29; the second width is greater than or equal to 5.34 mm; the height of the second curved surface portion is less than or equal to 0.75mm in the normal direction of the planar portion 201.
Illustratively, as shown in fig. 2, the first side is a right side and the second side is a left side.
By arranging the support structure 20 to include the first curved portion 202 and the second curved portion 202, the support structure 20 can be bent at two opposite sides, so that the flexible panel attached to the support structure 20 can be bent at two opposite sides.
In some embodiments, the support structure comprises a steel sheet.
Illustratively, the support structure is made of SUS steel.
The embodiment of the utility model provides a still provide a flexible display device, including the bearing structure 20 that above-mentioned embodiment provided.
After the supporting structure 20 provided by the above embodiment is attached to the flexible panel, the product appearance can realize a 3D effect. Moreover, the supporting structure 20 provided by the above embodiment sets a larger curvature radius, so that the curvature of the curved surface portion 202 is smaller, and when the flexible panel is attached to the supporting structure 20, the portion attached to the curved surface portion 202 in the flexible panel is subjected to a smaller rebound force, so that the probability of the cover plate rebounding in the flexible panel is reduced, the separation between the flexible panel and the supporting structure 20 is better avoided, and the performance of the product after the flexible panel is attached to the supporting structure 20 is effectively improved.
In the support structure 20 provided in the above embodiment, by setting the curved surface portion 202 to have a relatively large length-width ratio, when the flexible panel is attached to the support structure 20, the portion of the flexible panel attached to the curved surface portion 202 receives a relatively small rebound force, so that the probability of the cover plate in the flexible panel rebounding is reduced, the flexible panel is better prevented from being separated from the support structure 20, and the performance of the product after the flexible panel is attached to the support structure 20 is effectively improved.
In addition, in the support structure 20 provided in the above embodiment, by setting the first width to be greater than or equal to 5.34mm, and setting the height of the curved portion 202 to be less than or equal to 0.75mm in the normal direction of the planar portion 201, the curved portion 202 has a suitable width and height, which is more beneficial to improving the bending effect of the flexible panel and the display effect of the flexible panel when the flexible panel is attached to the support structure 20.
Therefore, the flexible display device provided by the embodiment of the present invention has the above-mentioned advantages when including the above-mentioned supporting structure 20, and the description is omitted here.
It should be noted that the flexible display device may be: any product or component with a display function, such as a television, a display, a digital photo frame, a folding screen mobile phone, a tablet personal computer and the like.
In some embodiments, the flexible display device further comprises a flexible panel that is conformable to the support structure 20.
The flexible panel comprises a flexible panel for folding, and the flexible panel for folding can be folded in the middle display area of the flexible panel in practical application.
The above-mentioned advantages can be achieved by completely attaching the flexible panel to the support structure 20, and the details are not repeated herein.
In some embodiments, the orthographic projection of the flexible panel on the support structure 20 coincides with the support structure 20. In this case, the flexible panel and the support structure 20 have the same area, and the boundaries completely coincide after the two are attached together.
In some embodiments, the orthographic projection of the flexible panel on the support structure 20 is enclosed by the support structure 20. In this case, the minimum distance between the boundary of the orthographic projection of the flexible panel on the support structure 20 and the boundary of the support structure 20 is within 0.5 mm.
In some embodiments, the flexible panel comprises an organic light emitting diode display panel.
The flexible panel comprises an organic light emitting diode display panel, so that the flexible display device has the advantages of high brightness, low power consumption, quick response, high definition, good flexibility, high luminous efficiency and the like.
In manufacturing the support structure 20 provided in the above embodiment, the manufacturing method includes: manufacturing a plane part 201 of the supporting structure 20, and at least one curved part 202 located at the periphery of the plane part 201, wherein a boundary line is formed between the curved part 202 and the plane part 201, and the curved part 202 is bent by taking the boundary line as a rotating shaft.
After the supporting structure 20 manufactured by the manufacturing method is attached to the flexible panel, the product appearance can achieve a 3D effect. Moreover, the supporting structure 20 manufactured by the manufacturing method has a larger curvature radius, so that the radian of the curved surface part 202 is smaller, when the flexible panel is attached to the supporting structure 20, the part attached to the curved surface part 202 in the flexible panel is subjected to smaller rebound force, so that the probability of cover plate rebounding in the flexible panel is reduced, the separation between the flexible panel and the supporting structure 20 is better avoided, and the performance of the product after the flexible panel is attached to the supporting structure 20 is effectively improved.
In the support structure 20 manufactured by the manufacturing method, the curved surface part 202 is arranged to have a large length-width ratio, so that when the flexible panel is attached to the support structure 20, the part of the flexible panel attached to the curved surface part 202 is subjected to a small rebound force, the probability of cover plate rebounding in the flexible panel is reduced, the separation between the flexible panel and the support structure 20 is better avoided, and the performance of the product after the flexible panel is attached to the support structure 20 is effectively improved.
In addition, in the support structure 20 manufactured by the manufacturing method, the first width is set to be greater than or equal to 5.34mm, and in the normal direction of the plane part 201, the height of the curved surface part 202 is smaller than or equal to 0.75mm, so that the curved surface part 202 has a proper width and height, which is more favorable for improving the bending effect of the flexible panel and the display effect of the flexible panel when the flexible panel is attached to the support structure 20.
It should be noted that, in the present specification, all the embodiments are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the method embodiments, since they are substantially similar to the product embodiments, they are described simply, and reference may be made to the partial description of the product embodiments for relevant points.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by those of ordinary skill in the art to which the invention 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. 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," "coupled," or "connected," 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.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" or "under" another element, it can be "directly on" or "under" the other element or intervening elements may be present.
In the foregoing description of embodiments, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (12)

1. A support structure for a flexible panel, comprising: the bending device comprises a plane part and at least one curved part positioned on the periphery of the plane part, wherein a boundary line is arranged between the curved part and the plane part, and the curved part is in a bending state by taking the boundary line as a bending axis.
2. The support structure for a flexible panel according to claim 1, wherein the radius of curvature of the curved portion is greater than or equal to 9 mm.
3. The support structure for a flexible panel according to claim 1, characterized in that said curved portion has a first length in the extension direction of said borderline, and in that said curved portion has a first width in the direction perpendicular to said borderline on the plane of said planar portion, the ratio between said first length and said first width being greater than or equal to 29.
4. The support structure of claim 3, wherein the first width is greater than or equal to 5.34 mm.
5. The support structure for a flexible panel according to claim 1, wherein the height of the curved surface portion in a normal direction of the planar surface portion is less than or equal to 0.75 mm.
6. A support structure for a flexible panel according to any of claims 1 to 5, comprising two curved portions, a first of the two curved portions being located on a first side of the planar portion and a second of the two curved portions being located on a second side of the planar portion, the first and second sides being opposite;
a first boundary line is arranged between the first curved surface part and the plane part, and the first curved surface part is bent by taking the first boundary line as a rotating shaft;
and a second boundary line is arranged between the second curved surface part and the plane part, and the second curved surface part is bent by taking the second boundary line as a rotating shaft.
7. The support structure for a flexible panel according to claim 1, wherein the support structure comprises a steel sheet.
8. A flexible display device comprising a support structure according to any one of claims 1 to 7.
9. The flexible display device of claim 8, further comprising a flexible panel, the flexible panel conforming to the support structure.
10. The flexible display device of claim 9, wherein an orthographic projection of the flexible panel on the support structure coincides with the support structure.
11. The flexible display device of claim 9, wherein an orthographic projection of the flexible panel on the support structure is enclosed by the support structure.
12. The flexible display device of claim 9, wherein the flexible panel comprises an organic light emitting diode display panel.
CN202021631866.XU 2020-08-07 2020-08-07 Supporting structure of flexible panel and flexible display device Active CN212229976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021631866.XU CN212229976U (en) 2020-08-07 2020-08-07 Supporting structure of flexible panel and flexible display device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021631866.XU CN212229976U (en) 2020-08-07 2020-08-07 Supporting structure of flexible panel and flexible display device

Publications (1)

Publication Number Publication Date
CN212229976U true CN212229976U (en) 2020-12-25

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Country Status (1)

Country Link
CN (1) CN212229976U (en)

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