CN109616018A - A kind of folded flexible display device - Google Patents
A kind of folded flexible display device Download PDFInfo
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- CN109616018A CN109616018A CN201910044791.0A CN201910044791A CN109616018A CN 109616018 A CN109616018 A CN 109616018A CN 201910044791 A CN201910044791 A CN 201910044791A CN 109616018 A CN109616018 A CN 109616018A
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- flexible display
- display screen
- display device
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- folded
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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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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The invention discloses a kind of folded flexible display devices, it includes flexible display screen, mainboard and the supporting layer being arranged between flexible display screen and mainboard, flexible display screen has bent area and can not bent area, can not bent area be located at bent area two sides, mainboard has the fill area of corresponding bent area, the mainboard correspondence of fill area two sides can not bent area, flexible display screen when flexible display screen is bent, in support layer supports bent area.Flexible display screen through pressing deformation of the present invention by setting supporting layer between flexible display screen and mainboard, to increase the rigidity of the flexible display screen in bent area, when folded flexible display device being avoided to bend in bent area.
Description
Technical field
The present invention relates to flexible display technologies field more particularly to a kind of folded flexible display devices.
Background technique
With the development of society, electronic equipment is applied to the production and living of people more and more widely, wherein can be bent
The flexible electronic devices of deformation become next-generation display product trend.Flexible electronic devices have flexible display screen and master at present
It pulls, mainboard has the gap of the bent area of corresponding flexible display screen, the Flexible Displays when flexible display screen bending, in bent area
Shield no rigid support, wrinkle phenomenon occurs for the flexible display screen in bent area.If the flexible display screen in bent area through bending
When depressed, it is easy to happen sink equal deformation.
Summary of the invention
The embodiment of the present invention provides a kind of folded flexible display device, to solve being bent for folded flexible display device
Flexible display screen is easy to happen the problem of wrinkle phenomenon or lower notch distortion.
In order to solve the above-mentioned technical problem, the present invention is implemented as follows:
Provide a kind of folded flexible display device comprising flexible display screen, mainboard and setting in flexible display screen and
Supporting layer between mainboard, flexible display screen have bent area and can not bent area, position can not be bent in bent area two sides, it is main
Plate has a fill area of corresponding bent area, the mainboard correspondences of fill area two sides can not bent area, when flexible display screen is bent, support
Flexible display screen in layer support bent area.
In embodiments of the present invention, through setting supporting layer between flexible display screen and mainboard, supporting layer increases bending
The rigidity of flexible display screen in area, support is located at the flexible display screen in bent area, and has bendable folding endurance, can be flexible with writing
Display screen bending, flexible display screen deformation through pressing when folded flexible display device being avoided to bend in bent area.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present invention, constitutes a part of the invention, this hair
Bright illustrative embodiments and their description are used to explain the present invention, and are not constituted improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the sectional view of the folded flexible display device of first embodiment of the invention.
Fig. 2 is the bending state figure of the folded flexible display device of first embodiment of the invention.
Fig. 3 is the sectional view of the folded flexible display device of second embodiment of the invention.
Fig. 4 is the enlarged drawing of a-quadrant in Fig. 3.
Fig. 5 is the bending state figure of the folded flexible display device of second embodiment of the invention.
Fig. 6 is the sectional view of the folded flexible display device of third embodiment of the invention.
Fig. 7 is the bending state figure of the folded flexible display device of third embodiment of the invention.
Fig. 8 is the sectional view of the folded flexible display device of fourth embodiment of the invention.
Fig. 9 is the sectional view of the folded flexible display device of fifth embodiment of the invention.
Figure 10 is the bending state figure of the folded flexible display device of fifth embodiment of the invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
Fig. 1 and Fig. 2 is please referred to, is the sectional view and bending of the folded flexible display device of first embodiment of the invention
State figure；As shown, folded flexible display device 1 includes Flexible Displays the present embodiment provides a kind of folded flexible display device 1
Screen 10, supporting layer 11 and mainboard 12, supporting layer 11 are arranged between flexible display screen 10 and mainboard 12.Flexible display screen 10 has
Bent area 101 and can not bent area 102, can not bent area 102 in 101 two sides of bent area.Mainboard 12 has fill area 121,
The bent area 101 of the corresponding flexible display screen 10 of fill area 121, the mainboard 12 of 121 two sides of fill area respectively correspond flexible display screen
10 can not bent area 102, because mainboard 12 is rigid make can not flexible display screen 10 in bent area 102 can not be curved
Folding.The thickness of supporting layer 11 is greater than equal to 1 micron and is less than or equal to 100 microns, and the thickness of preferable supporting layer 11 is greater than
Equal to 50 microns and less than or equal to 70 microns, the hardness of supporting layer 11 is greater than the hardness of flexible display screen 10, has supporting layer 11
There is certain rigidity, while also having the function that bent.The material of supporting layer 11 uses translucent material, such as: glass, so not
Influence the display effect of flexible display screen 10.Supporting layer 11 is also bonded in flexible display screen 10, this reality by light transmission adhesion layer 14
The light transmission adhesion layer 14 for applying example uses optics colloid, does not influence the display effect of flexible display screen 10 so.
When folded flexible 1 double flat of display device of the present embodiment, the mainboard 12 of 121 two sides of fill area is away from soft
Property display screen 10 surface be mutually close to, the flexible display screen 10 in bent area 101 toward generating raised deformation outside fill area 121,
Supporting layer 11 supports protrusion deformation caused by flexible display screen 10.Raised deformation is generated in bent area 101 when user presses
Flexible display screen 10 when, flexible display screen 10 will not be occurred in fill area 121 by the support of supporting layer 11 due to pressing
Dish deformation.The supporting layer 11 of the present embodiment is integrally formed and connects the rigid mainboard 12 of 121 two sides of fill area, and supporting flexible
Property display screen 10, and promote the rigidity of flexible display screen 10, in other words, pass through supporting layer 11 increase it is flexible in fill area 121
The rigidity of display screen 10.
Fig. 3, Fig. 4 and Fig. 5 are please referred to, is sectional view, Fig. 3 of the folded flexible display device of second embodiment of the invention
The enlarged drawing and bending state figure of middle a-quadrant；As shown, the folded flexible display device 1 and first embodiment of the present embodiment
Folded flexible display device difference be that there is elastic support structure 13, resilient support knot in the fill area 121 of the present embodiment
The supporting layer 11 in fill area 121 is arranged in structure 13, when folded flexible display device 1 is flat condition, elastic support structure
13 have gap, and unfilled fill area 121.When folded flexible 1 double flat of display device, elastic support structure 13 is not
With gap and fill up fill area 121.When elastic support structure 13 fills up fill area 121, elastic support structure 13 allows bent area
The flexible display screen 10 through bending will not generate wrinkle in 101.When the flexible display screen 10 in bent area 101 restores flat condition
When, the flexible display screen 10 in bent area 101 can remain smooth and not generate wrinkle, so improve folded flexible display device 1
Stability.
The elastic support structure 13 of the present embodiment includes multiple gusseted parts 131, the bottom of each gusseted part 131
Face 1310 is arranged in supporting layer 11 and adjoins each other.In the present embodiment, multiple gusseted parts 131 of the width of fill area 121
Bottom surface 1310 width summation, multiple gusseted parts 131 fill up the width of fill area 121.Each gusseted part 131
With section, section is perpendicular to the length direction of gusseted part 131, and the section of each gusseted part 131 has top
Angle 1312 and two sides 1313, two sides 1313 are located at 1312 two sides of apex angle, the equal length of two sides 1313, side
1313 length is equal to the depth of fill area 121, and in the present embodiment, the depth of fill area 121 is equal to the thickness of mainboard 12.This reality
It applies in example, the section of each gusseted part 131 is all the same, the angle of the apex angle 1312 in the section of gusseted part 131
Summation is the bending angle (i.e. 180 degree) of folded flexible display device 1, in right the present embodiment, each gusseted part 131
The angle of the apex angle 1312 in section is that the quantity of the bending angle and gusseted part 131 of folded flexible display device 1 is divided by,
In the present embodiment, the bending angle of folded flexible display device 1 is 180 degree, and the quantity of gusseted part 131 is 3, so often
The angle of the apex angle 1312 in the section of one gusseted part 131 is 60 degree.The width of fill area 121 is equal to gusseted part
The width of 131 bottom surface 1310 is multiplied with the quantity of gusseted part 131, and in the present embodiment, the width of fill area 121 is to fill out
Three times for filling the depth in area 121.
When the folded flexible display device 1 of the present embodiment is in non-bending state, multiple triangles of elastic support structure 13
There is gap between supporting element 131.When the folded flexible display device 1 of the present embodiment is in bending state, this bending state refers to
The mainboard 12 of 1 double flat of folded flexible display device, 121 two sides of fill area is close to.Each triangle in fill area 121
The side of supporting element 131 is close to the side of adjacent gusseted part 131, the side of the gusseted part 131 of neighbouring mainboard 12
Face is close to the side of mainboard 12, and very close to each other in such fill area 121, elastic support structure 13 fills up fill area 121, so
Prevent the flexible display screen 10 in bent area 101 from wrinkle occurring because of bending, while when the flexible display screen 10 in bent area 101
Wrinkle will not occur for flexible display screen 10 when restoring flat.
Fig. 6 and Fig. 7 is please referred to, is the sectional view and bending of the folded flexible display device of third embodiment of the invention
State figure；As shown, the folded flexible display device difference of the folded flexible display device 1 of the present embodiment and second embodiment exists
In the quantity of the gusseted part 131 of the elastic support structure 13 of the present embodiment is more, when the folded flexible of the present embodiment is shown
When 1 double flat of device, because the bottom width of each gusseted part 131 is smaller, flexibility in bent area 101 is so allowed
Display screen 10 approaches arc-shaped.
The quantity of the gusseted part 131 of the present embodiment is 21, that is, the width of fill area 121 is divided into 21 etc.
Point, the width of each equal part is equal to the bottom width of gusseted part 131, fill area 121 it is of same size in the state of, this
Bottom surface of the bottom width of each gusseted part 131 of embodiment than each gusseted part 131 of second embodiment
Width, the flexible display screen 10 so allowed in bent area 101 approach arc-shaped when bending.
Referring to Fig. 8, it is the sectional view of the folded flexible display device of fourth embodiment of the invention；As shown, this
The folded flexible display device 1 of embodiment and the folded flexible display device difference of 3rd embodiment be, the present embodiment it is every
The section of one triangular support part 131 can not be identical, and the present embodiment is mainly by 21 gusseteds of 3rd embodiment
Part 131 is divided into five parts, and two gusseted parts 131 of two sides account for five gusseted parts 131 in 3rd embodiment respectively, left
Second gusseted part 131 of side accounts for three gusseted parts 131 in 3rd embodiment, second gusseted on right side
Part 131 accounts for a gusseted part 131 in 3rd embodiment, and intermediate gusseted part 131 accounts for seven in 3rd embodiment
A gusseted part 131.The angle summation of the apex angle 1312 of the cross section of multiple triangular support parts 131 is folding in the present embodiment
The bending angle (i.e. 180 degree) of folded flexible display apparatus 1, can also have the function that same as the previously described embodiments.
Fig. 9 and Figure 10 is please referred to, is sectional view and the bending of the folded flexible display device of fifth embodiment of the invention
State diagram；As shown, the folded flexible device difference of the folded flexible display device 1 of the present embodiment and second embodiment exists
In the folded flexible display device 1 of the present embodiment further includes spring packaging part 15, and spring packaging part 15 connects 121 liang of fill area
Two mainboards 12 of side, to close the opening of fill area 121.When folded flexible display device 1 is in non-bending state, elasticity is sealed
Piece installing 15 be it is smooth, external foreign matter can be stopped to enter between multiple gusseted parts 131 of elastic support structure 13, kept away
For folded-free flexible display apparatus 1 in bending state, foreign matter is between multiple gusseted parts 131, multiple gusseted parts
It can not be close between 131, enable the successfully double flat of folded flexible display device 1.
In the present embodiment, height of the spring packaging part 15 away from the surface of flexible display screen 10 relative to flexible display screen 10
Height less than or equal to mainboard 12 away from the surface of flexible display screen 10 relative to flexible display screen 10 avoids folded flexible aobvious
The spring packaging part 15 in bending of showing device 1 is stuck between two mainboards 12, can so make to bend in folded flexible display device 1
Two mainboards 12 are mutually close to when 180 degree.The side edge length in the section of each gusseted part 131 of right the present embodiment is equal to
The depth of fill area 121, the depth of the fill area 121 of the present embodiment are that the thickness of mainboard 12 subtracts the thickness of spring packaging part 15
Degree.
In folded flexible 1 double flat of display device, spring packaging part 15 fills up filling toward 121 inner bending of fill area
The space of the filling of structure 13 is not elastically supported in area 121, because spring packaging part 15 is deformable soft materials, spring packaging
Between the more fillable multiple gusseted parts 131 to elastic support structure 13 of part 15, to ensure in fill area 121 without between
Gap.
In conclusion the present invention provides a kind of folded flexible display device, by setting supporting layer in flexible display screen
Between mainboard, to increase the rigidity of the flexible display screen in bent area, bent area when folded flexible display device being avoided to bend
Interior flexible display screen deformation through pressing.The present invention more passes through the setting resilient support knot in the fill area of corresponding bent area
Structure, when folded flexible display device double flat, elastic support structure fills up fill area, avoids the Flexible Displays in fill area
Screen generates wrinkle.Also spring packaging part is arranged by the opening in fill area in the present invention, and foreign matter is avoided to enter elastic support structure
Multiple gusseted parts between, to ensure gapless in fill area.
It should be noted that, in this document, the terms "include", "comprise" or its any other variant are intended to non-row
His property includes, so that the process, method, article or the device that include a series of elements not only include those elements, and
And further include other elements that are not explicitly listed, or further include for this process, method, article or device institute it is intrinsic
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including being somebody's turn to do
There is also other identical elements in the process, method of element, article or device.
The embodiment of the present invention is described with above attached drawing, but the invention is not limited to above-mentioned specific
Embodiment, the above mentioned embodiment is only schematical, rather than restrictive, those skilled in the art
Under the inspiration of the present invention, without breaking away from the scope protected by the purposes and claims of the present invention, it can also make very much
Form belongs within protection of the invention.
Claims (11)
1. a kind of folded flexible display device, which is characterized in that including flexible display screen, mainboard and be arranged in the Flexible Displays
Screen and the mainboard between supporting layer, the flexible display screen have bent area and can not bent area, it is described can not bent area
Positioned at the bent area two sides, the mainboard has the fill area of the corresponding bent area, the master of the fill area two sides
Described in plate is corresponding can not bent area, it is described soft in bent area described in the support layer supports when flexible display screen is bent
Property display screen.
2. folded flexible display device as described in claim 1, which is characterized in that the supporting layer with a thickness of being more than or equal to
1 micron and be less than or equal to 100 microns.
3. folded flexible display device as described in claim 1, which is characterized in that the hardness of the supporting layer is greater than described soft
The hardness of property display screen.
4. folded flexible display device as described in claim 1, which is characterized in that the material of the supporting layer is light transmission material
Material.
5. folded flexible display device as described in claim 1, which is characterized in that the supporting layer is viscous by light transmission adhesion layer
It connects in the flexible display screen.
6. folded flexible display device according to any one of claims 1 to 5, which is characterized in that also set in the fill area
When the mainboard of flexible support construction, the flexible display screen bending and the fill area two sides is close to, the elasticity branch
Support structure fills up the fill area.
7. folded flexible display device as claimed in claim 6, which is characterized in that the elastic support structure includes multiple three
The bottom surface of angle supporting element, multiple gusseted parts adjoins each other, and the width of the fill area is the gusseted part
The summation of bottom width, each gusseted part have section, length side of the section perpendicular to the gusseted part
To the side edge length in the section is equal to the depth of the fill area.
8. folded flexible display device as claimed in claim 7, which is characterized in that each gusseted part it is described
Section is identical, and the summation of the angle of the apex angle in the section of multiple gusseted parts is 180 degree.
9. folded flexible display device as claimed in claim 7, which is characterized in that each gusseted part it is described
Section is not identical, and the summation of the angle of the apex angle in the section of multiple gusseted parts is 180 degree.
10. folded flexible display device as claimed in claim 6, which is characterized in that the fill area has opening, described to open
Mouth is located between the mainboard of the fill area two sides, and the opening is additionally provided with spring packaging part, and the spring packaging part covers
Cover the elastic support structure.
11. folded flexible display device as claimed in claim 10, which is characterized in that in the flexible display screen in expansion
Under state, the spring packaging part away from the flexible display screen surface be less than relative to the height of the flexible display screen or
Height equal to the mainboard away from the surface of the flexible display screen relative to the flexible display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044791.0A CN109616018A (en) | 2019-01-17 | 2019-01-17 | A kind of folded flexible display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910044791.0A CN109616018A (en) | 2019-01-17 | 2019-01-17 | A kind of folded flexible display device |
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| CN109616018A true CN109616018A (en) | 2019-04-12 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910044791.0A Pending CN109616018A (en) | 2019-01-17 | 2019-01-17 | A kind of folded flexible display device |
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| CN110288916A (en) * | 2019-07-11 | 2019-09-27 | 昆山工研院新型平板显示技术中心有限公司 | Supporting member and flexible display apparatus |
| CN110599909A (en) * | 2019-09-25 | 2019-12-20 | 昆山工研院新型平板显示技术中心有限公司 | Foldable display panel and display device |
| CN110649058A (en) * | 2019-09-27 | 2020-01-03 | 京东方科技集团股份有限公司 | Flexible display module and flexible display device |
| CN111292621A (en) * | 2020-02-24 | 2020-06-16 | 京东方科技集团股份有限公司 | Display device, support film for display device, and electronic apparatus |
| CN111477115A (en) * | 2020-05-27 | 2020-07-31 | Oppo广东移动通信有限公司 | Flexible display screen assembly and terminal equipment |
| CN111583801A (en) * | 2020-05-20 | 2020-08-25 | 昆山国显光电有限公司 | Support structure and display module assembly of display panel can buckle |
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| CN111970391A (en) * | 2019-05-20 | 2020-11-20 | 华为技术有限公司 | Electronic device, screen assembly, screen protector and manufacturing method thereof |
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| CN111292621A (en) * | 2020-02-24 | 2020-06-16 | 京东方科技集团股份有限公司 | Display device, support film for display device, and electronic apparatus |
| CN113315855A (en) * | 2020-02-26 | 2021-08-27 | Oppo广东移动通信有限公司 | Folding screen assembly, manufacturing method thereof and electronic device |
| CN113315855B (en) * | 2020-02-26 | 2024-06-04 | Oppo广东移动通信有限公司 | Folding screen assembly, manufacturing method thereof and electronic equipment |
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| CN113744633A (en) * | 2020-05-28 | 2021-12-03 | 云谷（固安）科技有限公司 | Supporting unit, display module and display device |
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| US11714456B2 (en) | 2020-10-13 | 2023-08-01 | Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd. | Foldable display module |
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Application publication date: 20190412 Assignee: Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd.|Kunshan Guoxian photoelectric Co., Ltd Assignor: The valley (Guan) Technology Co. Ltd. Contract record no.: X2019990000155 Denomination of invention: Foldable flexible display device License type: Common License Record date: 20191030 |
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Effective date of registration: 20191209 Address after: No. 2 Xiangshan Avenue, Yongning Street, Zengcheng District, Guangzhou, Guangdong province (the core of Zengcheng economic and Technological Development Zone) Applicant after: Guangzhou Guoxian Technology Co., Ltd Address before: 065500 Hebei Langfang County Guan emerging industry demonstration area Applicant before: The valley (Guan) Technology Co. Ltd. |