CN208861606U - Display device and its flexible display screen - Google Patents
Display device and its flexible display screen Download PDFInfo
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- CN208861606U CN208861606U CN201821142679.8U CN201821142679U CN208861606U CN 208861606 U CN208861606 U CN 208861606U CN 201821142679 U CN201821142679 U CN 201821142679U CN 208861606 U CN208861606 U CN 208861606U
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Abstract
The utility model relates to a kind of display device and its flexible display screens.The flexible display screen includes screen body and the first support membrane, wherein screen body includes viewing area and from the outwardly extending non-display area in viewing area, and non-display area includes bent bent area and the non-bent area that connect with bent area.First support membrane is attached to the lower surface of viewing area and the first support membrane extends the edge for covering the close viewing area of bent area from viewing area.The end face of first support membrane forms rough curved surface.Above-mentioned flexible display screen is by being arranged to rough curved-surface structure for the end face of the first support membrane, the stress point that curvilinear structures avoid bent area is located along the same line and folding line is caused to generate, so that the bending stress of bent area is dispersed by multi-angle, the screen body of bent area and the risk of circuit trace damage failure are thereby reduced.
Description
Technical field
The utility model relates to flexible display technologies fields, more particularly to a kind of display device and its flexible display screen.
Background technique
With the development of flexible display technologies, flexible display screen has become the development trend of the following display terminal.In order to make
Flexible display screen reaches screen display effect comprehensively, generallys use and realizes the method for non-display area bending, it may be assumed that by flexible display screen
Non-display area be folded into the back side of flexible display screen to reduce screen body border width, and then improve screen accounting.
But flexible display screen, due to its thin, soft characteristic, when bending to bent area, bent area is especially curved
It is easy to appear stress concentration phenomenon at position of broken line, and then bent area screen body or circuit trace is led to problems such as to damage failure.
Utility model content
Based on this, it is necessary to how to prevent bent area screen body and circuit trace from damaging Problem of Failure for problem, provide
A kind of display device and its flexible display screen.
A kind of flexible display screen, comprising:
Shield body, including viewing area and the non-display area extended from viewing area；The non-display area include bent area and
Non- bent area；And
First support membrane, is attached to the lower surface of the viewing area, and the support membrane covers the viewing area, and from described
The edge close to the viewing area for covering the bent area is stretched out in viewing area；The end face of first support membrane is uneven
Curved surface.
Above-mentioned flexible display screen includes screen body and the first support membrane, wherein screen body includes viewing area and from viewing area
Outwardly extending non-display area, non-display area include bent bent area and the non-bent area that connect with bent area.First
Support membrane is attached to the lower surface of viewing area and the first support membrane extends the close viewing area of covering bent area from viewing area
Edge, and the end face of the first support membrane be rough curved surface.Due to the thin software feature of flexible display panels, will be non-
When viewing area is folded into screen body lower surface, bent area especially bends line position and is easy to appear stress concentration phenomenon, generates folding line
Bent area screen body or circuit trace is caused to damage failure.By the way that the end face of the first support membrane is arranged to rough curved surface knot
Structure, the stress point that curvilinear structures avoid bent area are located along the same line and folding line are caused to generate, so that bent area
Bending stress is dispersed by multi-angle, thereby reduces the screen body of bent area and the risk of circuit trace damage failure.
The end face of first support membrane is located in the bent area in one of the embodiments,.
The flexible display screen further includes the second support membrane in one of the embodiments,；The second support membrane attachment
In the lower surface of the non-bent area；Second support membrane stretches out from the non-bent area and covers the close of the bent area
The edge of the non-bent area.
The end face close to the bent area of second support membrane is rough song in one of the embodiments,
Face.
The end face of second support membrane is located at described be located in the bent area in one of the embodiments,.
The outer surface of the bent area is attached with reinforcing layer in one of the embodiments,.
The material of the reinforcing layer is UV glue, silica gel or silicone adhesive in one of the embodiments,.
The non-display area includes the length direction outwardly extending first along the screen body in one of the embodiments,
Non-display area；First non-display area includes the first bent bent area；Close described the first of first support membrane
The end face of bent area is rough curved surface.
The non-display area further includes extending along the screen body width direction to screen body two sides in one of the embodiments,
The second non-display area and third non-display area, second non-display area includes the second bent bent area；Described
Three non-display areas include bent third bent area；The end face close to second bent area of first support membrane is recessed
The curved surface of convex injustice；The end face close to the third bent area of first support membrane is rough curved surface.
A kind of display device, including flexible display screen above-mentioned, frame and cover sheet, the frame are set in described
Outside flexible display screen surrounding；The cover sheet is attached on the display surface of the flexible display screen.
Above-mentioned display device is mounted with flexible display screen above-mentioned, which, which passes through, will be attached at the screen body back side
The end face of first support membrane is arranged to rough curved-surface structure, and the stress point that curved-surface structure avoids bent area is located at same
Folding line is caused to generate on straight line, so that the bending stress of bent area is dispersed by multi-angle, to reduce the screen body of bent area
And the risk of circuit trace damage failure, and then improve the service life of display device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the flexible display screen of an embodiment；
Fig. 2 is the structural schematic diagram of the screen body of flexible display screen shown in Fig. 1；
Fig. 3 is the screen body structural schematic diagram of the flexible display screen of an embodiment；
Fig. 4 is the structural schematic diagram of the flexible display screen of another embodiment；
Fig. 5 is the cross-sectional view of the flexible display screen of an embodiment.
Specific embodiment
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, with reference to the accompanying drawing to this
The specific embodiment of utility model is described in detail.Many details are explained in the following description in order to abundant
Understand the utility model.But the utility model can be implemented with being much different from other way described herein, this field
Technical staff can do similar improvement without prejudice to the utility model connotation, therefore the utility model is not by following public affairs
The limitation for the specific implementation opened.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein are led with the technology for belonging to the utility model
The normally understood meaning of the technical staff in domain is identical.Terminology used in the description of the utility model herein only be
The purpose of description specific embodiment, it is not intended that in limitation the utility model.Term " and or " used herein includes
Any and all combinations of one or more related listed items.
Referring to Fig. 1 and Fig. 2, the flexible display screen 100 of an embodiment includes screen body 110 and is attached on screen body 110
The first support membrane 121, wherein screen body 110 includes viewing area 111 and the non-display area 112 that extends out from viewing area 111.
Specifically, viewing area 111 is the display image area for shielding body 110, and non-display area 112 is the not display image area for shielding body 110.
Further, the component for displaying images such as light-emitting component, pixel array, 112 row of non-display area are distributed on viewing area 111
It is furnished with the integrated circuit for the functions such as transmitting, drive light emitting component luminous for realizing signal.It should be noted that non-display area
112 can extend outwardly from a side of viewing area 111, and but it is not limited to this, and non-display area 112 can also be from viewing area
111 a plurality of side extends outwardly.
Further, viewing area 111 include upper surface for displaying images and and display surface back to setting following table
Face.It, can be not showing the non-display area 112 of image towards screen body 110 in order to realize comprehensive screen display of flexible display panels 100
Downside bends 180 °, and non-display area 112 is folded into the lower surface of viewing area 111, to hide non-display area 112, improves
The area accounting for shielding viewing area 111 on the front of body 110, to improve the screen accounting of flexible display panels 100.It is non-in order to realize
The bending of viewing area 112, having on non-display area 112 can be towards the bent area 112a bent on the downside of screen body.And on non-display area 112
Region other than the 112a of bent area is non-bent area 112b.
Further, the first support membrane 121 is attached on the lower surface of viewing area 111.Specifically, the first 121 films of support
Viewing area 111 is covered, and the first support membrane 121 is stretched out from viewing area 111, and covers the close viewing area of bent area 112a
111 edge 112c.The hardness of first support membrane 121 is higher than screen 110 hardness of body, so that the first support membrane 121 is to support screen
Body 110 and the strength and toughness for enhancing screen body 110.Further, the end face of the first support membrane 121 is rough song
Face.Rough curved surface can be continuous domes, be also possible to successively be alternatively formed by multiple protrusions with recess, also
It can be irregular wavy relief fabric.
Above-mentioned flexible display screen 100 includes screen body 110 and the first support membrane 120, wherein screen body 110 includes viewing area
111 and from the outwardly extending non-display area 112 in viewing area 111, non-display area include bent bent area 112a and with
The non-bent area 112b of bent area 112a connection.First support membrane 121 is attached to the lower surface of viewing area 111 and the first support
The end face of film 121 forms rough curved surface.Due to shielding the thin software feature of body 110, non-display area 112 is being folded into display
When the lower surface in area 111, the folding line of bent area 112a is generally-straight, is easy to produce folding line, stress concentration phenomenon occurs, leads
Cause screen body or the circuit trace damage failure of bent area 112a.It is uneven by the way that the end face of the first support membrane 121 to be arranged to
Curved-surface structure, curved-surface structure avoids bent area 112a stress point in bending and is located along the same line and folding line is caused to produce
It is raw, so that the bending stress of bent area 112a is dispersed by multi-angle, thereby reduce the screen body and electricity of bent area 112a
The risk of road cabling damage failure.
Specifically, the first support membrane 121 is stretched out from viewing area 111, and cover the close viewing area 111 of bent area 112a
The case where edge 112c may include the end face of the first support membrane 121 and the edge close to the viewing area of bent area 112a
112c is concordantly or the end face of the first support membrane 121 is located at two kinds of situations in the 112a of bent area.When the first support membrane 121 end face with
When the edge 112c of bent area 112a is just concordant, each point stress on edge 112c can be by 121 end face of the first support membrane
Curved-surface structure dispersion, avoids and occurs stress concentration on edge 112c.When the first support membrane 121 is located in the 112a of bent area, i.e.,
When the end face of first support membrane 121 exceeds the edge 112c of bent area 112a, body is shielded at the first support membrane energy margo 112c
Thickness, strengthen the strength and toughness of edge 112c.
Referring to Figure 1 and Fig. 3, as previously mentioned, non-display area 112 can be from a plurality of side of viewing area 111 to extension
It stretches.Specifically, non-display area includes outwardly extending first non-display area of length direction from viewing area 111 along screen body 110
1121.First non-display area 1121 includes can be towards the first bent area 1121 of the downside bending of screen body 110.Non-display area further includes
From viewing area 111 along screen body 110 width direction to the second non-display area 1122 for extending and third at left and right sides of screen body 110
Non-display area 1123.Wherein, the second non-display area 1122 include can be towards the second bent area 1122 for bending on the downside of screen body 110.The
Three non-display areas 1123 include can be towards the third bent area 1123 of the downside bending of screen body 110.
Further, the first support membrane 121 close to the edge of the first bent area 1121, close to the second bent area 1122
The end face of edge and close third bent area 1123 is rough curved-surface structure, thus each side of the first support membrane 121
The curved-surface structure in face is avoided that caused by the stress point of each bent area is located along the same line that folding line generates, so that each bent area
Bending stress dispersed by multi-angle, thereby reduce each bent area screen body and circuit trace damage failure risk.
Specifically, Fig. 2 and Fig. 4 is referred to, flexible display screen 100 further includes second in one of the embodiments,
Film 122 is supportted, the second support membrane 122 is attached to the lower surface of non-bent area 112b, and the second support membrane 122 is from non-bent area
112b stretches out and covers the edge 112d close to non-bent area 112b of bent area 112a.The second support membrane 122 is close simultaneously
The end face of bent area 112a is also rough curved-surface structure.Further, the end face of the second support membrane 122 can exceed curved
The edge 112b of folding area 112a, the i.e. end face of the second support membrane 122 are located in the 112a of bent area.By on non-bent area 112b
Adhere to the second support membrane 122, enhances the screen body strength and toughness of non-bent area 112b.Leaning on the second support membrane 122 simultaneously
The end face of nearly bent area 112a is arranged to rough curved-surface structure, and the edge 112d stress of bent area 112a can be prevented to be located at
Generate folding line on straight line and caused by stress concentrate, the end face of the second support membrane 122 can exceed the edge of bent area 112a
112d enables the stress at edge 112d to carry out multi-angle dispersion by the uneven structure of 122 end face of the second support membrane, into
The stress that one step reduces bent area 112a is concentrated.
Fig. 5 is referred to, flexible display screen 100 further includes being attached to bent area 112a reinforcing layer in one of the embodiments
130.Specifically, bent area 112a has the inner surface after bending close to 111 lower surface of viewing area, and back to inner surface
Outer surface.Reinforcing layer 130 is attached to the outer surface of bent area 112a.Reinforcing layer 130 is used for the bent area after bending
112a carries out reinforcing strengthening.The material of reinforcing layer 130 is curable materials, such as UV glue, silica gel or silicone adhesive etc..Further
Ground, reinforcing layer 130 can be by spraying curable materials on the outer then surface of bent area 112a, using UV solidification or heat cure etc.
Curing process is formed.Outer surface in bent area 110 adheres to upper reinforcing layer 130, when being avoided that bent area by external force
The open circuit of circuit trace caused by deforming further avoids screen body 110 and the circuit trace damage of bent area 112a.
Further, include flexible base board and be set to the upper aobvious of flexible base board continuing with referring to Fig. 5, shielding body 110
Show layer and driving part, the material of flexible base board can for polyimides, polycarbonate, polyethylene terephthalate,
Silica gel etc. has good flexible material.Display area can be divided on flexible base board and extended from display area non-display
Region.Display layer is arranged on the display area of flexible base board, and display layer may include multiple display units for displaying images
Part, thus make flexible base board display area formed screen body 110 viewing area 113, display unit include such as thin film transistor (TFT),
The different display unit such as grid line, data line, capacitor, anode, cathode, organic luminous layer, color filter film.Driving part setting
On the non-display area of flexible base board, the functions such as show for realizing signal transmission, driving image, shield body 110 to be formed
Non-display area 113.Driving part may include driving element 1121 and flexible circuit board 1122 etc..To screen body 110 into
When row bending, only the non-display area of flexible base board is bent, and each function on the display area of flexible base board is set
Ergosphere does not need then to be bent.Further, in the present embodiment, screen body 110 is using COP (core on Chip On Pi film
Piece) encapsulation technology.
Polaroid 160 can also be arranged on 110 viewing area 111 of body in screen, to increase the light transmission of screen body 110, and reduce outer
Light reflection.Polaroid 160 can be attached on the viewing area 111 of screen body 110 by the first photosensitive layer 181.On polaroid 181
It can also be arranged and touch sensitive layer 170, touch sensitive layer 170 and be integrated with touch sensor to perceive user's touch operation.It touches
The flexible cover plate 190 for protection screen body 110 is additionally provided on sensitive layer 170.Touch sensitive layer 170 and flexible cover plate 190 it
Between by the second photosensitive layer 182 connect.Further, the surrounding of the side of the close touch sensitive layer 170 of flexible cover plate 190
Edge is also coated with the ink layer 191 for shading, to improve the display effect of flexible display screen 100.In order to limit bent area
Crooked process radius, keel 141 can also be set between first support membrane 121 and the second support membrane 122, and keel 141 can
Padded coaming is thought, thus to screen body 110 and retrograde buffer protection.Keel 143 passes through composite layer 142 and the first support membrane
121 paste connection.
In the embodiment of the application, a kind of display device is also provided, which includes flexible display screen 100.
Further, display device can also include frame to support flexible display panels and to protect flexible display screen
Cover sheet, frame are set in the surrounding of flexible display panels, and further, frame can be to be flexible, but the rigidity of frame
It is higher than the rigidity of flexible display panels.Cover sheet is attached on the display surface of flexible display panels.Further, display device
It can be mobile phone, tablet computer etc..
Above-mentioned display device is mounted with flexible display screen 100 above-mentioned, and the flexible display screen 100 will be by that will be attached at display
The end face of first support membrane 121 of 111 lower surface of area is arranged to rough curved-surface structure, and curved-surface structure avoids bent area
The stress point of 112a is located along the same line and folding line is caused to generate, so that the bending stress of bent area 112a is by multi-angle point
It dissipates, to reduce the screen body of bent area 112a and the risk of circuit trace damage failure, and then improves display device
Service life.
Each technical characteristic of embodiment described above can be combined arbitrarily, for simplicity of description, not to above-mentioned reality
It applies all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, all should be considered as described in this specification.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But it cannot be understood as the limitations to utility model patent range.It should be pointed out that for the common skill of this field
For art personnel, without departing from the concept of the premise utility, various modifications and improvements can be made, these are belonged to
The protection scope of the utility model.Therefore, the scope of protection shall be subject to the appended claims for the utility model patent.
Claims (10)
1. a kind of flexible display screen characterized by comprising
Shield body, including viewing area and the non-display area extended from viewing area；The non-display area includes bent area and non-curved
Folding area；And
First support membrane, is attached to the lower surface of the viewing area, and first support membrane covers the viewing area, and from described
The edge close to the viewing area for covering the bent area is stretched out in viewing area；The end face of first support membrane is uneven
Curved surface.
2. flexible display screen according to claim 1, which is characterized in that the end face of first support membrane is located at described curved
In folding area.
3. flexible display screen according to claim 1, which is characterized in that the flexible display screen further includes the second support
Film；Second support membrane is attached to the lower surface of the non-bent area；Second support membrane is stretched out from the non-bent area
And cover the edge close to the non-bent area of the bent area.
4. flexible display screen according to claim 3, which is characterized in that the close bent area of second support membrane
End face be rough curved surface.
5. flexible display screen according to claim 4, which is characterized in that the end face of second support membrane is located at described curved
In folding area.
6. flexible display screen according to claim 1, which is characterized in that the bent area it is outer, surface is attached with reinforcing
Layer.
7. flexible display screen according to claim 6, which is characterized in that the material of the reinforcing layer be UV glue, silica gel or
Silicone adhesive.
8. flexible display screen described in any one of -7 according to claim 1, which is characterized in that the non-display area includes along institute
State outwardly extending first non-display area of length direction of screen body；First non-display area includes can be towards the first bending of bending
Area；The end face close to first bent area of first support membrane is rough curved surface.
9. flexible display screen according to claim 8, which is characterized in that the non-display area further includes wide along the screen body
The second non-display area and third non-display area that direction extends to screen body two sides are spent, second non-display area includes bent
The second bent area；The third non-display area includes bent third bent area；First support membrane close to described
The end face of second bent area is rough curved surface；The end face close to the third bent area of first support membrane is recessed
The curved surface of convex injustice.
10. a kind of display device, which is characterized in that including flexible display screen as claimed in any one of claims 1-9 wherein, frame
And cover sheet, the frame are set in outside the flexible display screen surrounding；The cover sheet is attached to described flexible aobvious
On the viewing area of display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142679.8U CN208861606U (en) | 2018-07-18 | 2018-07-18 | Display device and its flexible display screen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142679.8U CN208861606U (en) | 2018-07-18 | 2018-07-18 | Display device and its flexible display screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208861606U true CN208861606U (en) | 2019-05-14 |
Family
ID=66412830
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| Application Number | Title | Priority Date | Filing Date |
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| CN201821142679.8U Active CN208861606U (en) | 2018-07-18 | 2018-07-18 | Display device and its flexible display screen |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111292622A (en) * | 2020-02-26 | 2020-06-16 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN111403453A (en) * | 2020-03-26 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel and display device |
| WO2020257985A1 (en) * | 2019-06-24 | 2020-12-30 | 深圳市柔宇科技有限公司 | Flexible display device and flexible display module |
| CN112530295A (en) * | 2020-12-28 | 2021-03-19 | 厦门天马微电子有限公司 | Display device |
| CN112820199A (en) * | 2021-02-10 | 2021-05-18 | 合肥维信诺科技有限公司 | Flexible display panel and flexible display device |
| CN113178133A (en) * | 2021-05-06 | 2021-07-27 | 合肥维信诺科技有限公司 | Composite support film and display device |
| CN114613289A (en) * | 2022-04-11 | 2022-06-10 | 武汉华星光电半导体显示技术有限公司 | Display screen, preparation method thereof and display device |
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2018
- 2018-07-18 CN CN201821142679.8U patent/CN208861606U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020257985A1 (en) * | 2019-06-24 | 2020-12-30 | 深圳市柔宇科技有限公司 | Flexible display device and flexible display module |
| CN111292622A (en) * | 2020-02-26 | 2020-06-16 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN111292622B (en) * | 2020-02-26 | 2022-01-25 | 云谷（固安）科技有限公司 | Display panel and display device |
| CN111403453A (en) * | 2020-03-26 | 2020-07-10 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel and display device |
| CN112530295A (en) * | 2020-12-28 | 2021-03-19 | 厦门天马微电子有限公司 | Display device |
| CN112820199A (en) * | 2021-02-10 | 2021-05-18 | 合肥维信诺科技有限公司 | Flexible display panel and flexible display device |
| CN113178133A (en) * | 2021-05-06 | 2021-07-27 | 合肥维信诺科技有限公司 | Composite support film and display device |
| CN114613289A (en) * | 2022-04-11 | 2022-06-10 | 武汉华星光电半导体显示技术有限公司 | Display screen, preparation method thereof and display device |
| WO2023197357A1 (en) * | 2022-04-11 | 2023-10-19 | 武汉华星光电半导体显示技术有限公司 | Display screen and preparation method therefor, and display apparatus |
| CN114613289B (en) * | 2022-04-11 | 2024-02-06 | 武汉华星光电半导体显示技术有限公司 | Display screen, preparation method thereof and display device |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
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Assignee: Yungu (Gu'an) Technology Co., Ltd.|Bazhou Yungu Electronic Technology Co., Ltd.|Kunshan Institute of technology new flat panel display technology center Co., Ltd Assignor: Kunshan Guo Xian Photoelectric Co., Ltd. Contract record no.: X2019990000156 Denomination of utility model: Display device and flexible display screen thereof Granted publication date: 20190514 License type: Common License Record date: 20191030 |