CN112053635A - Supporting structure, manufacturing method thereof and display device - Google Patents

Supporting structure, manufacturing method thereof and display device Download PDF

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Publication number
CN112053635A
CN112053635A CN202010976847.9A CN202010976847A CN112053635A CN 112053635 A CN112053635 A CN 112053635A CN 202010976847 A CN202010976847 A CN 202010976847A CN 112053635 A CN112053635 A CN 112053635A
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China
Prior art keywords
layer
polymer layer
groove
support structure
metal layer
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CN202010976847.9A
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Chinese (zh)
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CN112053635B (en
Inventor
尚飞
冯彬峰
肖博文
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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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    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy
    • Y02E10/549—Organic PV cells

Abstract

The embodiment of the invention provides a supporting structure, a preparation method thereof and a display device, wherein the supporting structure comprises: the bending area of the first surface of the polymer layer is provided with a groove; the metal layer is arranged in the groove and protrudes out of the groove; the reinforcing layer is arranged on the first face of the polymer layer and is flush with the face, away from the polymer layer, of the metal layer. According to the embodiment of the invention, the polymer material is selected as the main material, so that the quality of the supporting structure can be reduced, and the lightweight is realized; moreover, the bending performance is ensured by testing the metal material in the bending area, and the reinforcing layer is arranged on the polymer layer to reinforce the strength of the polymer layer.

Description

Supporting structure, manufacturing method thereof and display device
Technical Field
The invention relates to the technical field of display, in particular to a supporting structure, a preparation method of the supporting structure and a display device.
Background
Flexible displays are used in foldable mobile devices, and currently, the structure for supporting the flexible display is usually all metal material.
The support structure of the metal material has the following problems: 1) expensive and easily corroded by gas; 2) due to the metal luster, the metal material is not easy to be photographed and captured for alignment when being aligned with the flexible display screen; 3) residual pressure exists in the metal material after the metal material is processed, and the flexible display screen can be damaged to a certain extent; 4) the weight is high, and when the size of the metal material is large, orange peel wrinkles and other phenomena can occur in the covering process of the flexible display screen.
Disclosure of Invention
The present invention provides a supporting structure to solve the above problems of the existing supporting structure.
One aspect of the present invention provides a supporting structure for supporting a flexible display module, including:
the bending area of the first surface of the polymer layer is provided with a groove;
the metal layer is arranged in the groove and protrudes out of the groove;
the reinforcing layer is arranged on the first face of the polymer layer and is flush with the face, away from the polymer layer, of the metal layer.
Optionally, the method further comprises: a glue layer disposed between the polymer layer and the metal layer.
Optionally, the bending region comprises: the bending device comprises a main bending area and auxiliary bending areas arranged on two sides of the main bending area.
Optionally, the width of the groove corresponding to the primary bending region is greater than the width of the groove corresponding to the secondary bending region.
Optionally, the material of the polymer layer comprises: any one of polyethylene terephthalate, polycarbonate, polyimide, or polyvinyl chloride.
Optionally, the material of the reinforcement layer comprises: any one of polyethylene terephthalate, polycarbonate, polyimide, or polyvinyl chloride.
Optionally, the material of the reinforcement layer is different from the material of the polymer layer.
Optionally, the metal layer comprises: patterned titanium steel.
A second aspect of the invention provides a display device comprising a support structure as described in any of the above; further comprising: a flexible display module; the flexible display module is arranged on the second surface of the polymer layer.
In a second aspect, the present invention provides a method of making a support structure, the method comprising:
forming a polymer layer, and forming a groove in the bending area of the first surface of the polymer layer;
forming a metal layer in the groove, and enabling the metal layer to protrude out of the groove;
and coating a reinforcing material on the first surface of the polymer layer, and curing the reinforcing material by adopting ultraviolet rays to form a reinforcing layer which is flush with the metal layer.
The embodiment of the invention provides a supporting structure, which comprises: the bending area of the first surface of the polymer layer is provided with a groove; the metal layer is arranged in the groove and protrudes out of the groove; the reinforcing layer is arranged on the first face of the polymer layer and is flush with the face, away from the polymer layer, of the metal layer. According to the embodiment of the invention, the polymer material is selected as the main material, so that the quality of the supporting structure can be reduced, and the lightweight is realized; moreover, the bending performance is ensured by testing the metal material in the bending area, and the reinforcing layer is arranged on the polymer layer to reinforce the strength of the polymer layer.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments of the present invention will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural diagram of a support structure according to an embodiment of the present invention;
FIG. 2 is a schematic view of a support structure provided in an embodiment of the present invention on a first side;
FIG. 3 is a structural schematic diagram of a support structure according to an embodiment of the present invention in a bent state;
FIG. 4 is a structural schematic diagram of another bending state of the support structure provided by the embodiment of the invention;
fig. 5 is a schematic structural diagram of a display device according to an embodiment of the present invention;
fig. 6 is a flowchart of a method for manufacturing a support structure according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. 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.
Referring to fig. 1, an embodiment of the present invention provides a supporting structure for supporting a flexible display module, including:
the polymer layer 11, wherein a groove is arranged in a bending area of a first surface X of the polymer layer 11;
the metal layer 12 is arranged in the groove, and the metal layer 12 protrudes out of the groove;
a reinforcement layer 13, said reinforcement layer 13 being arranged on a first side of said polymer layer 11 and flush with a side of said metal layer 12 facing away from said polymer layer 11.
In the embodiment of the present invention, the polymer layer 11 is made of a polymer material, and the polymer material is selected as a substrate of the support structure, so as to realize light weight and low cost of the support structure; the metal layer 12 is subjected to patterning treatment, so that the light weight of the supporting structure is realized, and the metal layer is arranged in a bending area, so that the repeated bending performance of the flexible display screen is guaranteed. Providing a reinforcing layer on the first side of the polymer layer 11 can increase the strength of the support structure.
Wherein the material of the polymer layer comprises: any one of polyethylene terephthalate, polycarbonate, polyimide, or polyvinyl chloride. The material of the reinforcing layer comprises: any one of polyethylene terephthalate, polycarbonate, polyimide, or polyvinyl chloride.
In embodiments of the present invention, the material of the polymer layer may also be a polymer; the material of the reinforcement layer may also be a resin material. The resin material is disposed on the polymer layer, resulting in an integral structure that is not weaker than the metal material and has a density less than the metal material.
In the embodiment of the present invention, the method further includes: a glue layer 14 disposed between the polymer layer and the metal layer.
In an embodiment of the present invention, the adhesive layer includes: grid adhesive and double-sided adhesive tape.
In an embodiment of the present invention, referring to fig. 2, which is a view of fig. 1 on a first plane X, the bending region includes: a main bending region Q1 and secondary bending regions Q2 disposed at both sides of the main bending region.
When the flexible display module is folded in a U shape, the supporting structure only needs to be provided with a main bending area Q1, and an auxiliary bending area Q2 is not needed; when the flexible display module is folded in a water drop type, the main bending region Q1 and the sub bending region Q2 are required.
Specifically, the main bending region is arranged in the middle of the support structure; referring to fig. 3, when the support structure is bent in a U-shape, only the main bending region Q1 is bent. Referring to fig. 4, when the support structure is bent in a drop shape, the primary bending region Q1 and the secondary bending region Q2 are both bent.
In the embodiment of the invention, the width w1 of the groove corresponding to the primary bending region is greater than the width w2 of the groove corresponding to the secondary bending region.
In an embodiment of the invention, the material of the reinforcement layer is different from the material of the polymer layer. The reinforced layer and the polymer layer are made of different materials, so that the strength of the supporting structure can be better ensured.
In an embodiment of the present invention, the metal layer includes: patterned titanium steel. The metal layer is subjected to patterning treatment, so that the light weight of the supporting structure can be realized, and the bending performance is ensured.
The embodiment of the invention provides a supporting structure, which comprises: the bending area of the first surface of the polymer layer is provided with a groove; the metal layer is arranged in the groove and protrudes out of the groove; the reinforcing layer is arranged on the first face of the polymer layer and is flush with the face, away from the polymer layer, of the metal layer. According to the embodiment of the invention, the polymer material is selected as the main material, so that the quality of the supporting structure can be reduced, and the lightweight is realized; moreover, the bending performance is ensured by testing the metal material in the bending area, and the reinforcing layer is arranged on the polymer layer to reinforce the strength of the polymer layer.
An embodiment of the present invention provides a display device, referring to fig. 1, including the support structure 10 described in any one of the above; further comprising: a flexible display module 20; the flexible display module 20 is disposed on the second side Y of the polymer layer.
Wherein, flexible display module assembly 20 includes: the touch screen comprises a foam 21, a back film 22, a display layer 23, a touch layer 24, optical glue 25, a polarizer 26 and a cover plate 27 which are sequentially stacked.
Referring to fig. 6, a flowchart illustrating a method for manufacturing a support structure according to an embodiment of the present invention is provided, where the method includes:
step 301, forming a polymer layer, and forming a groove in a bending area of a first surface of the polymer layer;
step 302, forming a metal layer in the groove and enabling the metal layer to protrude out of the groove;
step 303, coating a reinforcing material on the first surface of the polymer layer, and curing the reinforcing material by using ultraviolet rays to form a reinforcing layer flush with the metal layer.
In an embodiment of the present invention, the reinforcing material includes a resin material, wherein the reinforcing material is subjected to ultraviolet curing to enhance the rigidity of the reinforcing material.
For the details of the embodiments of the present invention, reference is made to the above description, which is not repeated herein.
The preparation method of the support structure provided by the embodiment of the invention comprises the following steps: forming a polymer layer, and forming a groove in the bending area of the first surface of the polymer layer; forming a metal layer in the groove, and enabling the metal layer to protrude out of the groove; and coating a reinforcing material on the first surface of the polymer layer, and curing the reinforcing material by adopting ultraviolet rays to form a reinforcing layer which is flush with the metal layer. According to the embodiment of the invention, the polymer material is selected as the main material, so that the quality of the supporting structure can be reduced, and the lightweight is realized; moreover, the bending performance is ensured by testing the metal material in the bending area, and the reinforcing layer is arranged on the polymer layer to reinforce the strength of the polymer layer.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a supporting structure for support flexible display module assembly, its characterized in that includes:
the bending area of the first surface of the polymer layer is provided with a groove;
the metal layer is arranged in the groove and protrudes out of the groove;
the reinforcing layer is arranged on the first face of the polymer layer and is flush with the face, away from the polymer layer, of the metal layer.
2. The support structure of claim 1, further comprising: a glue layer disposed between the polymer layer and the metal layer.
3. The support structure of claim 1, wherein the bending region comprises: the bending device comprises a main bending area and auxiliary bending areas arranged on two sides of the main bending area.
4. The support structure of claim 3, wherein the width of the groove corresponding to the primary bending region is greater than the width of the groove corresponding to the secondary bending region.
5. The support structure of claim 1, wherein the material of the polymer layer comprises: any one of polyethylene terephthalate, polycarbonate, polyimide, or polyvinyl chloride.
6. The support structure of claim 1, wherein the material of the reinforcement layer comprises: any one of polyethylene terephthalate, polycarbonate, polyimide, or polyvinyl chloride.
7. The support structure of claim 1, wherein the material of the reinforcement layer is different from the material of the polymer layer.
8. The support structure of claim 2, wherein the metal layer comprises: patterned titanium steel.
9. A display device, comprising the support structure of any one of claims 1 to 7; further comprising: a flexible display module; the flexible display module is arranged on the second surface of the polymer layer.
10. A method of making a support structure, the method comprising:
forming a polymer layer, and forming a groove in the bending area of the first surface of the polymer layer;
forming a metal layer in the groove, and enabling the metal layer to protrude out of the groove;
and coating a reinforcing material on the first surface of the polymer layer, and curing the reinforcing material by adopting ultraviolet rays to form a reinforcing layer which is flush with the metal layer.
CN202010976847.9A 2020-09-16 2020-09-16 Supporting structure, manufacturing method thereof and display device Active CN112053635B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112489565A (en) * 2020-12-22 2021-03-12 武汉华星光电半导体显示技术有限公司 Display panel and display device
CN112863352A (en) * 2021-01-21 2021-05-28 京东方科技集团股份有限公司 Flexible lining plate and flexible display panel
CN114639306A (en) * 2020-12-15 2022-06-17 乐金显示有限公司 Flexible display device

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CN106252378A (en) * 2015-06-08 2016-12-21 乐金显示有限公司 Collapsible display device and backboard thereof
WO2017131331A1 (en) * 2016-01-26 2017-08-03 엘지전자 주식회사 Mobile terminal
US20180035554A1 (en) * 2015-12-31 2018-02-01 Boe Technology Group Co., Ltd. Flexible display device
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CN109903679A (en) * 2019-03-07 2019-06-18 京东方科技集团股份有限公司 Foldable support construction and preparation method thereof, display device
CN110035140A (en) * 2019-02-22 2019-07-19 华为技术有限公司 A kind of support construction and foldable display device
CN110580859A (en) * 2019-10-14 2019-12-17 刘燕庭 support substrate of rollable display screen, rollable display device and electronic apparatus
CN110767098A (en) * 2019-11-28 2020-02-07 京东方科技集团股份有限公司 Foldable support, preparation method and display device
CN111489653A (en) * 2020-05-28 2020-08-04 武汉天马微电子有限公司 Foldable display device and driving method thereof
CN111583803A (en) * 2020-05-26 2020-08-25 京东方科技集团股份有限公司 Flexible display screen supporting structure, manufacturing method thereof and display device

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106252378A (en) * 2015-06-08 2016-12-21 乐金显示有限公司 Collapsible display device and backboard thereof
US20180035554A1 (en) * 2015-12-31 2018-02-01 Boe Technology Group Co., Ltd. Flexible display device
WO2017131331A1 (en) * 2016-01-26 2017-08-03 엘지전자 주식회사 Mobile terminal
CN108073230A (en) * 2016-11-14 2018-05-25 创王光电股份有限公司 Flexible electronic device and the method using flexible electronic device
CN110035140A (en) * 2019-02-22 2019-07-19 华为技术有限公司 A kind of support construction and foldable display device
CN109903679A (en) * 2019-03-07 2019-06-18 京东方科技集团股份有限公司 Foldable support construction and preparation method thereof, display device
CN110580859A (en) * 2019-10-14 2019-12-17 刘燕庭 support substrate of rollable display screen, rollable display device and electronic apparatus
CN110767098A (en) * 2019-11-28 2020-02-07 京东方科技集团股份有限公司 Foldable support, preparation method and display device
CN111583803A (en) * 2020-05-26 2020-08-25 京东方科技集团股份有限公司 Flexible display screen supporting structure, manufacturing method thereof and display device
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114639306A (en) * 2020-12-15 2022-06-17 乐金显示有限公司 Flexible display device
CN112489565A (en) * 2020-12-22 2021-03-12 武汉华星光电半导体显示技术有限公司 Display panel and display device
CN112863352A (en) * 2021-01-21 2021-05-28 京东方科技集团股份有限公司 Flexible lining plate and flexible display panel

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