CN208488922U - Display device and its flexible display screen - Google Patents
Display device and its flexible display screen Download PDFInfo
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- CN208488922U CN208488922U CN201821142677.9U CN201821142677U CN208488922U CN 208488922 U CN208488922 U CN 208488922U CN 201821142677 U CN201821142677 U CN 201821142677U CN 208488922 U CN208488922 U CN 208488922U
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Abstract
The utility model relates to a kind of display device and its flexible display screens.Above-mentioned flexible display screen includes screen body and buffer layer.Wherein screen body includes viewing area and from the outwardly extending non-display area in viewing area, and non-display includes bent area and non-bent area, is placed with circuit trace on bent area.Buffer layer is attached to the inner surface of bent area, and the surface of bent area connecting with buffer layer is provided with colloid, and the overlay area of colloid and the overlay area of circuit trace be not be overlapped.Buffer layer can to bent area carry out buffer protection, so as to avoid bent area occur only have part bending extremely discount as, and then avoid bent area screen body and circuit trace damage.Colloid avoids the circuit trace on bent area, and then avoids the extruding applied after colloid solidifies to circuit trace and pull stress, further enhances the reliability of bent area.
Description
Technical field
The utility model relates to field of flexible display, 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 easy to appear
It extremely discounts caused by only locally bending as and then bent area screen body or circuit trace being led to problems such as to damage failure.
Utility model content
Based on this, it is necessary to for how to prevent bent area screen body and circuit trace from damaging Problem of Failure, provide one kind
Display device and its flexible display screen.
A kind of flexible display screen, comprising:
Shield body；Including viewing area and from the outwardly extending non-display area in the viewing area；The non-display area bent area
With non-bent area, circuit trace is placed on the bent area；
Buffer layer；It is attached to the inner surface of the bent area；
Wherein, the surface of the bent area connecting with the buffer layer is provided with colloid；The overlay area of the colloid
It is not be overlapped with the overlay area of the circuit trace.
Above-mentioned flexible display screen includes screen body and buffer layer.Wherein, screen body includes viewing area and outside from viewing area
The non-display area of extension includes the non-bent area that bent bent area is connect with bent area on non-display area, arranges on bent area
It is furnished with circuit trace.Buffer layer is attached to the inner surface of bent area, and the surface setting of bent area connecting with buffer layer
There is a colloid, and the region that the region that is covered of colloid is covered with circuit trace is not be overlapped.Due to the thin soft spy of flexible display screen
Property, non-display area is folded into screen body on the downside of when, bent area be easy to appear only locally bend extremely discount as causing to bend
Area's screen body or circuit trace damage failure.Adhere to upper buffer layer by the inner surface in bent area, buffer layer can thicken bending
Area's thickness, and to bent area carry out buffer protection, so as to avoid bent area occur only have part bending extremely discount as, into
And avoid bent area screen body and circuit trace damage.Meanwhile on bent area, region and circuit trace that colloid is covered
The region covered is not overlapped, so that colloid avoids the circuit trace on bent area, and then is avoided after colloid solidifies to electricity
The extruding and pull stress that road cabling applies, further enhance the reliability of bent area.
Length direction of the circuit trace along the bent area is arranged in one of the embodiments,.
The colloid is coated on the surrounding on the surface of the bent area in one of the embodiments,；The circuit trace
It is set on the white space of the bent area.
Width direction of the circuit trace along the bent area is arranged in one of the embodiments,.
The colloid forms extending direction in one of the embodiments, and the width direction of the bent area is consistent more
A adhesive tape, the multiple adhesive tape are arranged along the length direction interval of the bent area；The circuit trace is set to adjacent two
Between a adhesive tape.
The buffer layer covers the bent area in one of the embodiments,.
The buffer layer is padded coaming 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 can be towards the first bent area of bending on the downside of the screen body；First bent area
Inner surface be attached with the buffer layer.
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 can be towards second bent on the downside of the screen body
Bent area；The third non-display area includes can be towards the third bent area on the downside of the screen body；The inside of second bent area
The inner surface of surface and third bent area is attached with the buffer layer.
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 passes through the inner surface in bent area
Adhere to buffer layer, to thicken bent area thickness and carry out buffer protection to bent area, enables bent area whole when bending
Body bending, avoid bent area occur only have part bending extremely discount as.Meanwhile the colloid institute between bent area and buffer layer
Overlay area and circuit trace institute overlay area be not be overlapped, so that colloid avoids the circuit trace on bent area, and then avoids
The extruding and pull stress that colloid applies circuit trace after solidifying.The reliability of bent area is further enhanced, so that
Display device service life increases.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the flexible display screen of an embodiment；
Fig. 2 is the screen body structural schematic diagram of flexible display screen shown in Fig. 1；
Fig. 3 a is the colloid schematic diagram of the bent area of the flexible display screen of an embodiment；
Fig. 3 b is the colloid schematic diagram of the bent area of the flexible display screen of another embodiment；
Fig. 4 is the screen body structural schematic diagram of the flexible display screen of another 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.
It refers to referring to Fig. 1 and Fig. 2, the flexible display screen 100 of an embodiment includes screen body 110, and screen body 110 includes aobvious
The non-display area 112 for showing area 111 and extending out from viewing area 111.Specifically, viewing area 111 is the display figure for shielding body 110
As region, non-display area 112 is the not display image area for shielding body 110.Further, the member that shines is distributed on viewing area 111
The component for displaying images such as part, pixel array.Non-display area 112 is integrated with for realizing signal transmission, the luminous member of driving
Device shine etc. functions driving element 1121 and flexible circuit board 1122.
Further, viewing area 111 include upper surface for displaying images and and upper surface back to setting following table
Face 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 screen 100
Downside bend 180 °, to hide non-display area 112, the area accounting of viewing area 111 on display surface is improved, to improve
The screen accounting of flexible display screen 100.In order to realize the bending of non-display area 112, non-display area 112 has bent bent area
112a, and the region on non-display area 112 other than the 112a of bent area is non-bent area 112b.It is placed on the 112a of bent area
Circuit trace (not shown), to connect the driving element 1121 of the light-emitting component of viewing area 111 and non-display area 112 and soft
Property circuit board 1122.
In order to reinforce bent area 112a intensity, close to aobvious after the bending of the inner surface of bent area 112a, i.e. bent area 112a
Show that the surface at 111 back side of area is attached with buffer layer 120, so that the screen body and circuit trace to bent area 112a carry out buffering guarantor
Shield.Further, referring to Fig. 1 and Fig. 3 a, in order to which buffer layer 120 is attached on the 112a of bent area, bent area with buffering
The surface of 120 connection of layer is also coated with colloid 130.Specifically, colloid 130 is coated on the area other than the circuit trace on bent area
Domain, i.e., the region that colloid 130 is covered on the 112a of bent area and the region that circuit trace is covered be not be overlapped, to prevent colloid
Circuit trace is caused to squeeze or pull damage after 113 solidifications.
Above-mentioned flexible display screen 100 includes screen body 110 and buffer layer 120.Wherein screen body 110 include viewing area 111 with
And from the outwardly extending non-display area 112 in viewing area 111, non-display area 112 includes can be towards the 110 curved bent area in downside of screen body
Circuit trace is placed on 112a, bent area 112a.Buffer layer 120 is attached to the inner surface of bent area 112a, and bends
The surface of area 112a connecting with buffer layer 120 is provided with colloid 130, the covering of the overlay area domain circuit trace of colloid 130
Region is not overlapped.Due to shielding the thin software feature of body 110, when non-display area 112 is folded into screen 110 back side of body, bent area
112a be easy to appear only locally bend extremely discount as, cause bent area 112a screen body 110 or circuit trace damage failure.
Adhere to upper buffer layer 120 by the inner surface in bent area 112a, buffer layer 120 can thicken bent area thickness, and to curved
Folding area carries out buffer protection, occurs only having extremely the discounting as and then avoiding curved of part bending so as to avoid bent area 112a
The screen body 110 and circuit trace of folding area 112a damages.Meanwhile the area that the colloid 130 between bent area and buffer layer is covered
Domain with the region that is covered of circuit trace it is not be overlapped, so that colloid 130 avoids the circuit trace on the 112a of bent area, in turn
It avoids to apply circuit trace after colloid 130 solidifies and squeezes and pull stress, further enhance bent area 112a can
By property.
Specifically, the coating pattern of colloid 130 can be multiplicity, as long as the circuit trace of bent area 112a can be avoided i.e.
It can.For example, the circuit trace of bent area 112a is arranged along the length direction of bent area 112a in one of the embodiments,
The length direction of middle bent area 112a is the long side extending direction of bent area 112a.At this point, colloid 130 can be coated on bent area
The peripheral regions on the surface 112a, just as shown in fig. 3a.Circuit trace then may be disposed on the intermediate region of bent area 112a.Again
For example, in another embodiment, the circuit trace of bent area 112a is arranged along the width direction of bent area 112a, wherein bent area
The width direction of 112a is the short side extending direction of bent area 112a.At this point, colloid 113 can coat to form multiple adhesive tape, adhesive tape
Extending direction it is consistent with the width direction of bent area 112a.Multiple adhesive tape are alternatively arranged along the length direction of bent area 112a,
Has interval between two i.e. adjacent adhesive tape, as shown in figure 3b.Circuit trace is set between two adjacent adhesive tape
In gap.
Specifically, buffer layer 120 covers bent area 112a, i.e. buffer layer 120 from bent area in one of the embodiments,
The bending starting line position of 112a, which extends to bending, terminates line position.Bent area 112a is completely covered in buffer layer 120, thus
Buffer protection can be carried out to entire bent area 112a.Further, the material of buffer layer 120 is padded coaming.Such as foam.
Continuing with referring to Fig. 1, specifically, in one embodiment, screen body 110 is including flexible base board and is set to flexible base
The upper display layer and driving part of plate, the material of flexible base board can be polyimides, polycarbonate, poly terephthalic acid
Glycol ester, silica gel etc. have good flexible material.Display area can be divided on flexible base board and prolonged from display area
The non-display area stretched.Display layer is arranged on the display area of flexible base board, and display layer may include multiple for display figure
The display unit of picture, so that the display area of flexible base board be made to form the viewing area 113 of screen body 110, display unit includes such as
The different display unit such as thin film transistor (TFT), grid line, data line, capacitor, anode, cathode, organic luminous layer, color filter film.
Driving part is arranged on the non-display area of flexible base board, the functions such as shows for realizing signal transmission, driving image, thus
Form the non-display area 113 of screen body 110.Driving part may include driving element 1121 and flexible circuit board 1122 etc..?
When being bent to screen body 110, only the non-display area of flexible base board is bent, and the viewing area of flexible base board is set
Each functional layer on domain does not need then to be bent.Further, in the present embodiment, screen body 110 uses COP (Chip On
Pi chip-on-film) 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 19
Edge is also coated with the ink layer 191 for shading, to improve the display effect of flexible display screen 100.Shield the viewing area of body 110
Settable first support membrane 141 in 111 back side shields settable second support membrane 142 of non-bent area 112b of body 110.First
The rigidity of film 141 and the second support membrane 142 is supportted than screen body the last 110, to carry out rigid support to screen body 110.In order to limit
Keel 143, keel can also be arranged between the first support membrane 141 and the second support membrane 142 in the crooked process radius of bent area
143 paste connection by composite layer 144 and the first support membrane 141.
It is worth noting that for the convenience of description, Fig. 2 shows a side of non-display area 112 from viewing area 111 is outside
Extend, but it is not limited to this, and non-display area 112 can also extend outwardly from a plurality of side of viewing area 111.
Specifically, referring to fig. 4, the screen body 210 of the flexible display screen of another embodiment includes viewing area 211 and shows certainly
The non-display area that area 211 extends out.Non-display area includes outwardly extending first non-display area of length direction along screen body 110
2121.First non-display area 2121 includes can be towards the first bending of the downside bending of the screen body 210 of the viewing area 211 of screen body 210
Area 2131.Non-display area further includes the width direction along screen body 210 to the second non-display area for extending at left and right sides of screen body 210
2122 and third non-display area 2123.Wherein, the second non-display area 2122 includes can bend towards the downside of screen body 210 second
Bent area 2132.Third non-display area 2123 includes can be towards the third bent area 2133 of the downside bending of screen body 210.Further
Ground, in this embodiment, the inner surface of the first bent area 2131 of flexible display screen, the second bent area 2132 inner surface
And the inner surface of third bent area 2133 is pasted with buffer layer.Further, in the implementation, buffer layer and slow
Rush colloid between layer and bent area can setting identical as the flexible display screen 100 of a upper embodiment, this will not be repeated here.
In the embodiment of the application, a kind of display device is also provided, which includes aforementioned any embodiment
Flexible display screen.Further, display device can also include frame to support flexible display panels and to protect
The cover sheet of flexible display screen is protected, frame is set in the surrounding of flexible display panels, and further, frame can be flexibility
, but the rigidity of frame is higher than the rigidity of flexible display panels.Cover sheet is attached on the display surface of flexible display panels.Into
One step, display device can be mobile phone, tablet computer etc..
Above-mentioned display device is mounted with flexible display screen above-mentioned, such as flexible display screen 100, the flexible display screen 100
By bent area 112a inner surface adhere to buffer layer 120, thus thicken bent area thickness and to bent area 112a into
Row buffering protection, enables bent area 112a integrally to bend when bending, and avoids bent area 112a and occurs only having part to bend
Extremely discount as.Meanwhile 130 overlay areas of the colloid between bent area 112a and buffer layer 120 are covered with circuit trace
Region is not overlapped, so that colloid 130 avoids the circuit trace on the 112a of bent area, and then avoid it is right after colloid 130 solidifies
The extruding and pull stress that circuit trace applies.The reliability of bent area 112a is further enhanced, so that display device makes
Use 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 from the outwardly extending non-display area in the viewing area；The non-display area bent area and non-
Bent area is placed with circuit trace on the bent area；
Buffer layer；It is attached to the inner surface of the bent area；
Wherein, the surface of the bent area connecting with the buffer layer is provided with colloid；The overlay area of the colloid and institute
The overlay area for stating circuit trace is not overlapped.
2. flexible display screen according to claim 1, which is characterized in that length of the circuit trace along the bent area
Direction arrangement.
3. flexible display screen according to claim 2, which is characterized in that the colloid is coated on the described of the bent area
The surrounding of inner surface；The circuit trace is set to the intermediate region of the bent area.
4. flexible display screen according to claim 1, which is characterized in that width of the circuit trace along the bent area
Direction arrangement.
5. flexible display screen according to claim 4, which is characterized in that the colloid includes extending direction and the bending
The consistent multiple adhesive tape of the width direction in area, and the multiple adhesive tape is arranged along the length direction interval of the bent area；It is described
Circuit trace is set between two adjacent adhesive tape.
6. flexible display screen according to claim 1, which is characterized in that the buffer layer covers the bent area.
7. flexible display screen according to claim 1, which is characterized in that the buffer layer is padded coaming.
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 lateral bending under the screen body
First bent area of folding；The inner surface of first bent area is attached with the buffer layer.
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 can be towards institute
State the second bent area bent on the downside of screen body；The third non-display area includes can be towards the third bending of bending on the downside of the screen body
Area；The inner surface of second bent area and the inner surface of third bent area are attached with the buffer layer.
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 display surface of display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821142677.9U CN208488922U (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 |
|---|---|---|---|
| CN201821142677.9U CN208488922U (en) | 2018-07-18 | 2018-07-18 | Display device and its flexible display screen |
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| Publication Number | Publication Date |
|---|---|
| CN208488922U true CN208488922U (en) | 2019-02-12 |
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ID=65246716
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821142677.9U Active CN208488922U (en) | 2018-07-18 | 2018-07-18 | Display device and its flexible display screen |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872633A (en) * | 2019-03-26 | 2019-06-11 | 武汉华星光电半导体显示技术有限公司 | Bent OLED display and its manufacturing method |
| CN112153176A (en) * | 2019-06-27 | 2020-12-29 | Oppo广东移动通信有限公司 | Electronic device |
| CN112341949A (en) * | 2020-11-03 | 2021-02-09 | 京东方科技集团股份有限公司 | Protective film, protective film attaching method, display module and display device |
| CN112530295A (en) * | 2020-12-28 | 2021-03-19 | 厦门天马微电子有限公司 | Display device |
| CN115083291A (en) * | 2022-07-25 | 2022-09-20 | 京东方科技集团股份有限公司 | Display panel and display device |
-
2018
- 2018-07-18 CN CN201821142677.9U patent/CN208488922U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109872633A (en) * | 2019-03-26 | 2019-06-11 | 武汉华星光电半导体显示技术有限公司 | Bent OLED display and its manufacturing method |
| CN109872633B (en) * | 2019-03-26 | 2021-08-03 | 武汉华星光电半导体显示技术有限公司 | Bendable OLED display and manufacturing method thereof |
| CN112153176A (en) * | 2019-06-27 | 2020-12-29 | Oppo广东移动通信有限公司 | Electronic device |
| CN112153176B (en) * | 2019-06-27 | 2021-08-13 | Oppo广东移动通信有限公司 | Electronic device |
| CN112341949A (en) * | 2020-11-03 | 2021-02-09 | 京东方科技集团股份有限公司 | Protective film, protective film attaching method, display module and display device |
| CN112341949B (en) * | 2020-11-03 | 2022-11-01 | 京东方科技集团股份有限公司 | Protective film, protective film attaching method, display module and display device |
| CN112530295A (en) * | 2020-12-28 | 2021-03-19 | 厦门天马微电子有限公司 | Display device |
| CN115083291A (en) * | 2022-07-25 | 2022-09-20 | 京东方科技集团股份有限公司 | Display panel and display device |
| CN115083291B (en) * | 2022-07-25 | 2023-12-12 | 京东方科技集团股份有限公司 | Display panel and display device |
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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: 20190212 License type: Common License Record date: 20191030 |