CN113744634A - Display device and electronic apparatus - Google Patents
Display device and electronic apparatus Download PDFInfo
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- CN113744634A CN113744634A CN202010473667.9A CN202010473667A CN113744634A CN 113744634 A CN113744634 A CN 113744634A CN 202010473667 A CN202010473667 A CN 202010473667A CN 113744634 A CN113744634 A CN 113744634A
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- bending
- flexible display
- display screen
- display device
- screen
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- 238000005452 bending Methods 0.000 claims abstract description 193
- 239000000463 material Substances 0.000 claims description 16
- 239000012528 membrane Substances 0.000 claims description 13
- 239000000853 adhesive Substances 0.000 claims description 8
- 230000001070 adhesive effect Effects 0.000 claims description 8
- 239000010410 layer Substances 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 6
- 239000012790 adhesive layer Substances 0.000 claims description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000000741 silica gel Substances 0.000 claims description 4
- 229910002027 silica gel Inorganic materials 0.000 claims description 4
- 239000003522 acrylic cement Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims description 3
- 238000000429 assembly Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000011347 resin Substances 0.000 claims description 3
- 229920005989 resin Polymers 0.000 claims description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000000499 gel Substances 0.000 claims description 2
- 229910052710 silicon Inorganic materials 0.000 claims description 2
- 239000010703 silicon Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 23
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000001723 curing Methods 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 229920002379 silicone rubber Polymers 0.000 description 3
- 238000004088 simulation Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 2
- 238000011416 infrared curing Methods 0.000 description 2
- 238000013008 moisture curing Methods 0.000 description 2
- 238000007747 plating Methods 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 238000001029 thermal curing Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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Images
Classifications
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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
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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
Abstract
The application discloses display device and electronic equipment, this display device include flexible display screen and the supporting part of buckling. The flexible display screen comprises a screen body and a back film, wherein the screen body comprises at least two first bending areas, and the back film comprises at least two second bending areas; each second bending area is respectively connected with the corresponding first bending area. The bending support part is connected to one side of each second bending area far away from the first bending area so as to limit the bending form of each first bending area. In the application, set up the supporting part of buckling at flexible display screen back, injectd the crooked form of flexible display screen, improved the flexible display screen at the in-process stress state of buckling, solved the flexible display screen and appeared cracked problem easily at the in-process of buckling, improved the reliability of flexible display screen, prolonged the life of flexible display screen, improved electronic equipment's product quality.
Description
Technical Field
The present application relates to the field of electronic product technologies, and in particular, to a display device and an electronic apparatus.
Background
In recent years, flexible display screens have received increasing attention and are widely used. Since the flexible display screen is light, thin and not fragile, it can be used in a device with a foldable or rollable function, such as a terminal product such as a mobile phone.
Different from a flip phone which appears once, the screen of the folding screen phone is larger, the display screens are arranged on two sides of the folding screen phone, and the display screens are foldable, so that the requirement of a user on a large-screen phone can be met, the size is small after the folding, and the folding screen phone is easy to store and carry. However, the flexible display screen is a multi-layer material composite structure, and the materials of the layers are combined together by glue or plating, so that the problem that the display screen is broken in a bending area may occur if the bending radius is too small or the bending form is irregularly deflected to one side during the bending or bending process.
In addition, in the prior art, each area of the whole flexible display screen can only have the same bending radius, which also becomes an important factor for restricting the structural design of the product.
Disclosure of Invention
An object of this application is to provide a display device and electronic equipment, has improved the flexible display screen and is buckling in-process stress state, has solved the flexible display screen and has appeared cracked problem easily buckling the in-process, has improved the reliability of flexible display screen, has prolonged the life of flexible display screen, has improved electronic equipment's quality.
The above and other objects are achieved by the features of the independent claims. Further implementations are presented in the dependent claims, the description and the drawings.
In a first aspect, a display device is provided, including:
the flexible display screen comprises a screen body and a back membrane, wherein the screen body comprises at least two first bending areas, and the back membrane comprises at least two second bending areas; each second bending area is connected with the corresponding first bending area;
and the bending support part is connected to one side of each second bending area far away from the first bending area so as to limit the bending form of each first bending area.
In the above scheme, set up the supporting part of buckling at flexible display screen back, injectd the crooked form of flexible display screen, improved the flexible display screen at the in-process stress state of buckling, solved the flexible display screen problem of breaking easily appears in the in-process of buckling, improved the reliability of flexible display screen, prolonged the life of flexible display screen, improved electronic equipment's product quality.
In a possible embodiment, at least two of the first bending regions have different bending forms; wherein the curved configuration includes a curved length and a curved radius.
In the prior art, the whole area of the same flexible display screen has the same bending radius, so that the structural design of an electronic product is restricted. In this application embodiment, the flexible display screen can have two, two more than even bending zones, and each bending zone can have different crooked forms under the support of buckling the supporting part to expand the range of application of flexible display screen, supported the diversified structural design of electronic product.
In a possible embodiment, the display device includes at least two bending support portions, and each bending support portion is connected to each second bending region.
In the above scheme, in this embodiment, the independent bending support portions are respectively provided for the second bending regions, and each bending support portion respectively changes the rigidity of each bending region of the flexible display screen, so as to define the bending form of the corresponding first bending region, change the stress state in the bending process, prevent the first bending regions from being bent and cracked, and prolong the service life of the display device.
In a possible embodiment, at least two of the bending supports have different extending lengths.
In the above scheme, the extension lengths of the bending support parts are different, so that the bending lengths and the bending radii of the first bending areas corresponding to the bending support parts are different, thereby meeting different design requirements and providing technical support for diversified design of electronic equipment. Wherein, regarding the extension length of the bending support portion, the length of the center line of the bending support portion can be understood.
In a possible embodiment, at least two of the bending support portions are made of different materials, and the material of the bending support portion is metal, silica gel or resin.
In the above scheme, the bending support portions are made of different materials, and have different corresponding mechanical properties, such as different toughness and hardness, so that the first bending regions of the flexible display screen can be limited to have different bending forms. For example, the bending support made of metal material has higher toughness and hardness than those of the bending support made of silicone rubber. Therefore, under the same other conditions, the bending radius of the first bending area corresponding to the bending support part made of the metal material is larger than the bending radius of the other first bending area corresponding to the bending support part made of the silica gel.
In a possible embodiment, each of the bending supports is a sheet-shaped body, and at least two of the bending supports have different thicknesses.
In this embodiment, even if the extending length and the material of each bending support portion are the same, when the thickness of each bending support portion is different, the bending form of each first bending region is also different.
In a second aspect, the present application provides an electronic device, which includes a housing and further includes the above display device, wherein the back film is connected to the housing.
In a possible embodiment, an accommodating space is formed between the second bending region and the housing portion, and the bending support portion is located in the accommodating space, connected to the flexible display screen, and spaced from the housing portion.
In the above scheme, the clearance has between buckling supporting part and the shell, and in the crooked in-process of flexible display screen, buckling the supporting part can not produce between with the shell and interfere, and flexible display screen only relies on the structure of buckling supporting part itself to provide the holding power in crooked in-process, can not receive the forced stretching of shell, consequently has the guard action to flexible display screen, prevents that the flexible display screen from appearing the problem of the layering that comes unstuck.
In one possible embodiment, the shell portion includes at least two folding assemblies and a plurality of panels;
each folding component corresponds to one second bending area;
two adjacent plate bodies are connected through the folding assembly;
the plate body is connected with the back membrane, and the folding assembly and the bending supporting part have a gap.
In the scheme, the plate bodies are connected through the folding assembly, and the plate bodies can be relatively rotated and bent, so that the display device is driven to be bent. The bending supporting part is not contacted with the plate body and the folding component.
In one possible embodiment, the plate body is connected to the back film through a glue layer;
the adhesive layer comprises any one or combination of more of double-sided adhesive, acrylic adhesive, rubber adhesive and silica gel adhesive.
In the above scheme, the curing process of the glue layer can be ultraviolet curing, moisture curing, thermal curing or infrared curing.
The technical scheme provided by the application can achieve the following beneficial effects:
in the application, set up the supporting part of buckling at flexible display screen back, injectd the crooked form of flexible display screen, improved the flexible display screen at the in-process stress state of buckling, solved the flexible display screen and appeared cracked problem easily at the in-process of buckling, improved the reliability of flexible display screen, prolonged the life of flexible display screen, improved electronic equipment's product quality.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.
Drawings
Fig. 1 is a schematic structural diagram of a display device according to an embodiment of the present disclosure;
fig. 2 is a simulation diagram of a flexible display screen of a display device according to an embodiment of the present disclosure, which is in a bent state when a bending support portion is not provided;
fig. 3 is a simulation diagram of a flexible display screen of the display device according to the embodiment of the present application, which is in a bent state when a bending support portion is disposed thereon;
fig. 4 is a schematic view of a bending support portion of a display device according to an embodiment of the present disclosure;
fig. 5 is a schematic diagram illustrating a flexible cover plate disposed on a flexible display screen of a display device according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application;
fig. 7 is a schematic partial structure diagram of an electronic device according to an embodiment of the present application.
Reference numerals:
100-an electronic device;
10-a display device;
1-a flexible display screen;
11-a screen body;
11 a-a first bending zone;
12-a backing film;
12 a-a second bending zone;
2-bending the supporting part;
3-a flexible cover plate;
20-shell portion;
201-a folding assembly;
202-plate body;
30-glue layer;
c-an accommodation space;
l-center line.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.
Detailed Description
The terminology used in the embodiments of the present application is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in the examples of this application and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be noted that the terms "upper", "lower", "left", "right", and the like used in the embodiments of the present application are described in terms of the angles shown in the drawings, and should not be construed as limiting the embodiments of the present application. In addition, in this context, it will also be understood that when an element is referred to as being "on" or "under" another element, it can be directly on "or" under "the other element or be indirectly on" or "under" the other element via an intermediate element.
Referring to fig. 1, a schematic structural diagram of a display device 10 provided in an embodiment of the present application is shown, where the display device 10 includes a flexible display screen 1 and a bending support portion 2. The flexible display screen 1 comprises a screen body 11 and a back membrane 12, wherein the screen body 11 comprises at least two first bending areas 11a, the back membrane 12 comprises at least two second bending areas 12a, and each second bending area 12a is connected to the corresponding first bending area 11a respectively. The bending support portion 2 is connected to a side of each second bending region 12a away from the first bending region 11a to define a bending form of each first bending region 11 a.
Referring to fig. 2 and fig. 3, a simulation diagram of the bending state of the flexible display screen 1 is shown. Wherein, fig. 2 is a bending form diagram of the flexible display screen 1 without the bending support part 2; fig. 3 is a view showing a bending state when the bending support portion 2 is provided on the flexible display panel 1. Comparing the two figures, it can be clearly seen that, bending supporting part 2 is arranged on flexible display screen 1 in fig. 3, so that the bending radius of the corresponding bending area is increased, the bending area of flexible display screen 1 is protected, and the condition that the bending area is excessively bent to break and break the screen is effectively prevented.
The flexible display screen 1 is a composite structure formed by multiple layers of materials, and the materials of the layers are combined together in a glue material or plating layer mode, so that in the bending process of the flexible display screen 1, if the bending radius is too small or the bending form is irregularly deviated to one side, the flexible display screen 1 can be broken in a bending area. In the embodiment that this application provided, set up the supporting part 2 of buckling at 1 back of flexible display screen, injectd the crooked form of flexible display screen 1, improved flexible display screen 1 and buckled in-process stress state, solved flexible display screen 1 and appeared cracked problem easily at the in-process of buckling, improved the reliability of flexible display screen 1, prolonged the life of flexible display screen 1.
In addition, in this embodiment, the back membrane 12 is made of a flexible material, the back membrane 12 is connected to the screen body 11, and the bending support portion 2 is connected to the back membrane 12, so that in the bending process of the flexible display screen 1, the bending support portion 2 is not in direct rigid contact with the screen body 11, and the back membrane 12 is located between the two to play a role in buffering, so that the screen body 11 is protected, and the service life of the flexible display screen 1 is prolonged.
Referring to fig. 1, in one possible embodiment, at least two first bending regions 11a in each first bending region 11a have different bending forms, wherein the bending forms include a bending length and a bending radius.
In the prior art, the whole area of the same flexible display screen 1 has the same bending radius, thereby restricting the structural design of electronic products. In this application embodiment, flexible display screen 1 can have two, even more than two bending zones, and each bending zone can have different crooked forms under the support of bending support portion 2 to expand flexible display screen 1's range of application, supported the diversified structural design of electronic product.
In a possible embodiment, the display device 10 comprises at least two bending supports 2, and each bending support 2 is connected to each second bending region 12 a.
In this embodiment, the independent bending support portions 2 are respectively arranged for the second bending regions 12a, and the bending support portions 2 respectively change the rigidity of the bending regions of the flexible display screen 1, so as to limit the bending form of the corresponding first bending regions 11a, change the stress state of the first bending regions in the bending process, prevent the first bending regions 11a from being bent and cracked, and prolong the service life of the display device 10.
Referring to fig. 1, in a possible embodiment, at least two of the bending struts 2 have different lengths.
In this embodiment, the extending lengths of the bending support portions 2 are different, so that the bending lengths and the bending radii of the first bending regions 11a corresponding to the bending support portions 2 are different, so as to meet different design requirements, and provide technical support for diversified designs of the electronic device 100. Wherein, referring to fig. 4, the extending length of the bending support 2 can be understood as the length of the central line L of the bending support 2.
In a possible embodiment, at least two of the bending supports 2 are made of different materials, and the material of the bending support 2 is metal, silicon gel or resin.
In this embodiment, the material of the bending support portion 2 is different, and the corresponding mechanical properties are different, such as toughness and hardness, so that each first bending region 11a of the flexible display screen 1 can be defined to have a different bending form. For example, the bending support 2 made of metal material has higher toughness and hardness than the bending support 2 made of silicone rubber. Therefore, under the same other conditions, the bending radius of the first bending region 11a corresponding to the bending support portion 2 made of metal material is larger than the bending radius of the first bending region 11a corresponding to the bending support portion 2 made of silicon rubber.
In a possible embodiment, each bending support 2 is a sheet-like body, and at least two bending supports 2 in each bending support 2 have different thicknesses.
In this embodiment, even if the extension length and the material of each bending support portion 2 are the same, when the thickness of each bending support portion 2 is different, the bending form of each first bending region 11a is also different.
Referring to fig. 5, in a possible embodiment, the display device 10 further includes a flexible cover 3, the flexible cover 3 covers an outer surface of the screen body 11 and is integrally bendable with the screen body 11, and the flexible cover 3 protects the screen body 11.
Referring to fig. 5 and 6, an electronic apparatus 100 is further provided in an embodiment of the present application, where the electronic apparatus 100 includes a casing 20 and the display device 10, and the back film 12 on the display device 10 is connected to the casing 20.
In a possible embodiment, an accommodating space c is formed between the second bending region 12a and the housing portion 20, and the bending support portion 2 is located in the accommodating space c, connected to the flexible display panel 1 and spaced from the housing portion 20.
In this embodiment, there is a gap between the bending support portion 2 and the shell portion 20, the bending support portion 2 does not interfere with the shell portion 20 during the bending process of the flexible display panel 1, and the flexible display panel 1 only relies on the bending support portion 2 itself to provide a supporting force during the bending process, and is not forcibly stretched by the shell portion 20. This embodiment has avoided shell 20 in the process of buckling, and a plurality of positions have exerted the tractive force to flexible display screen 1, consequently have the effect of protection to flexible display screen 1, prevent that the flexible display screen 1 from appearing the layering problem that comes unstuck.
Referring to fig. 5, in a possible embodiment, the shell 20 includes at least two folding assemblies 201 and a plurality of panels 202, each folding assembly 201 corresponds to a second bending region 12a, two adjacent panels 202 are connected by the folding assembly 201, the panels 202 are connected to the back membrane 12, and the folding assembly 201 has a gap with the bending support 2.
In this embodiment, the panels 202 are connected by a folding assembly 201, and the panels 202 can be rotated and bent relatively to each other, so as to bend the display device 10. In the bending process, the bending support portion 2 is not in contact with the board body 202 and the folding assembly 201, the bending form of the flexible display screen 1 is limited only by the structure of the bending support portion 2, and the flexible display screen 1 can be bent freely without being interfered by the shell portion 20.
Referring to fig. 5 and 6, in one possible embodiment, the plate body 202 is attached to the backing film 12 by an adhesive layer 30, the adhesive layer 30 comprising any one or combination of two-sided adhesive, acrylic adhesive, rubber adhesive, silicone adhesive. The curing process of the adhesive layer can be ultraviolet curing, moisture curing, thermal curing or infrared curing.
It is noted that a portion of this patent application contains material which is subject to copyright protection. The copyright owner reserves the copyright rights whatsoever, except for making copies of the patent files or recorded patent document contents of the patent office.
Claims (10)
1. A display device, comprising:
the flexible display screen (1) comprises a screen body (11) and a back membrane (12), wherein the screen body (11) comprises at least two first bending areas (11a), and the back membrane (12) comprises at least two second bending areas (12 a); each second bending area (12a) is connected with the corresponding first bending area (11 a);
and the bending support part (2) is connected to one side of each second bending area (12a) far away from the first bending area (11a) so as to limit the bending form of each first bending area (11 a).
2. The display device according to claim 1, wherein at least two of the first bending regions (11a) in each of the first bending regions (11a) have different bending forms;
wherein the curved configuration includes a curved length and a curved radius.
3. A display device as claimed in claim 1, characterized in that the display device comprises at least two bending supports (2);
the bending support parts (2) are respectively connected with the second bending areas (12 a).
4. A display device according to claim 3, wherein at least two of the bending supports (2) have different lengths.
5. The display device according to claim 3, wherein at least two of the bending support portions (2) are made of different materials, and the bending support portions (2) are made of metal, silicon gel or resin.
6. A display device according to claim 3, wherein each of the bending supports (2) is a sheet-like body;
at least two bending support parts (2) in each bending support part (2) have different thicknesses.
7. An electronic device comprising a housing part and further comprising a display device according to any of claims 1-8, the backsheet (12) being connected to the housing part (20).
8. The electronic device according to claim 7, wherein an accommodating space (c) is formed between the second bending region (12a) and the case portion (20);
the bending support part (2) is located in the accommodating space (c), is connected to the flexible display screen (1) and has a gap with the shell part (20).
9. The electronic device according to claim 8, wherein the housing portion (20) comprises at least two folding assemblies (201) and a plurality of panels (202);
each folding component (201) corresponds to one second bending area (12 a);
two adjacent plate bodies (202) are connected through the folding assembly (201);
the plate body (202) is connected to the back membrane (12), and a gap is formed between the folding assembly (201) and the bending support part (2).
10. The electronic device of claim 9, wherein the plate body (202) is connected to the back film (12) by a glue layer (30);
the adhesive layer (30) comprises any one or combination of a plurality of double-sided adhesive, acrylic adhesive, rubber adhesive and silica gel adhesive.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473667.9A CN113744634A (en) | 2020-05-29 | 2020-05-29 | Display device and electronic apparatus |
| PCT/CN2021/086704 WO2021238461A1 (en) | 2020-05-29 | 2021-04-12 | Display apparatus and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010473667.9A CN113744634A (en) | 2020-05-29 | 2020-05-29 | Display device and electronic apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113744634A true CN113744634A (en) | 2021-12-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010473667.9A Pending CN113744634A (en) | 2020-05-29 | 2020-05-29 | Display device and electronic apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN113744634A (en) |
| WO (1) | WO2021238461A1 (en) |
Cited By (1)
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|---|---|---|---|---|
| WO2023109164A1 (en) * | 2021-12-16 | 2023-06-22 | 荣耀终端有限公司 | Electronic apparatus |
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| CN116665538A (en) * | 2022-04-08 | 2023-08-29 | 荣耀终端有限公司 | Electronic equipment |
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| CN106710452A (en) * | 2017-03-24 | 2017-05-24 | 武汉华星光电技术有限公司 | Flexible display device and bent support |
| CN108447403A (en) * | 2018-04-03 | 2018-08-24 | 武汉华星光电半导体显示技术有限公司 | Flexible display apparatus and its manufacturing method |
| US20210216104A1 (en) * | 2018-05-28 | 2021-07-15 | Huawei Technologies Co., Ltd. | Foldable display apparatus |
| CN108877524A (en) * | 2018-06-29 | 2018-11-23 | 武汉华星光电半导体显示技术有限公司 | Flexible OLED display |
| CN109148380A (en) * | 2018-08-21 | 2019-01-04 | 武汉华星光电半导体显示技术有限公司 | Display panel, display module and electronic device |
| CN110277022A (en) * | 2019-02-20 | 2019-09-24 | 华为技术有限公司 | A kind of flexible display screen and the terminal containing the display screen |
| CN210489620U (en) * | 2019-12-02 | 2020-05-08 | 京东方科技集团股份有限公司 | Display substrate and display device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023109164A1 (en) * | 2021-12-16 | 2023-06-22 | 荣耀终端有限公司 | Electronic apparatus |
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| Publication number | Publication date |
|---|---|
| WO2021238461A1 (en) | 2021-12-02 |
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Application publication date: 20211203 |