CN208488917U - Flexible display screen and display device - Google Patents
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- CN208488917U CN208488917U CN201821141097.8U CN201821141097U CN208488917U CN 208488917 U CN208488917 U CN 208488917U CN 201821141097 U CN201821141097 U CN 201821141097U CN 208488917 U CN208488917 U CN 208488917U
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Abstract
The utility model relates to a kind of flexible display screen and display devices.Flexible display screen includes viewing area and the non-display area adjacent with viewing area；Non-display area includes the bent area adjacent with viewing area；Bent area includes close to the first sub- bent area of viewing area, and the first sub- bent area includes: the firstth area, adjacent with viewing area, has several the first stress release chambers in the firstth area；And secondth area, the side positioned at the firstth area far from viewing area have several the second stress release chambers in the secondth area；Wherein, the summation of the volume of several the first stress release chambers is greater than the summation of the volume of several the second stress release chambers；Wherein, the first stress release chamber and the second stress release are intracavitary filled with buffering adhesive.Using the flexible display screen of technical solutions of the utility model, the display failure in bending process can be avoided.
Description
Technical field
The utility model relates to field of display technology, more particularly to a kind of flexible display screen and display device.
Background technique
As mobile electronic product industry develops rapidly, new product is kept updating, and market produces mobile display electronics
There are higher and higher hopes for product.For example, the products such as mobile phone are from there is frame to develop to the direction of narrow frame and Rimless.In order to protect
Card reduces the accounting of non-display area to the greatest extent under the premise of cabling space is enough, and existing design is by the non-aobvious of flexible display screen
Show that area part is folded into the back side of viewing area.However, traditional flexible display screen during bending, be easy to cause display to lose
Effect.
Utility model content
Based on this, it is necessary to how avoiding the problem that showing failure in bending process, provide one kind can be avoided it is curved
Aobvious non ageing flexible display screen and display device during folding.
A kind of flexible display screen, the flexible display screen include viewing area and abut with the viewing area non-display
Area；The non-display area includes the bent area adjacent with the viewing area；
The bent area includes close to the first sub- bent area of the viewing area, and the first sub- bent area includes:
Firstth area, it is adjacent with the viewing area, there are several the first stress release chambers in firstth area；
And secondth area, there are several in the side of firstth area far from the viewing area, secondth area
Second stress release chamber；
Wherein, the summation of the volume of several the first stress release chambers is greater than several described second stress release chambers
Volume summation；
Wherein, the first stress release chamber and second stress release are intracavitary filled with buffering adhesive.
The first stress release chamber is identical as the size of the second stress release chamber in one of the embodiments,
The number of the first stress release chamber is greater than the number of the second stress release chamber.
Several described first stress release chambers and several described second stress release chambers in one of the embodiments,
Distribution density successively decrease from close to the viewing area to far from the direction of the viewing area, and several described first stress are released
It puts chamber distribution density of any position in firstth area and is all larger than several described second stress release chambers described second
The distribution density of any position in area.
The size of the first stress release chamber is greater than the ruler of the second stress release chamber in one of the embodiments,
It is very little.
The bent area further includes the second son bending positioned at the bent area middle position in one of the embodiments,
Area, the second sub- bent area is located at the side far from the viewing area of the first sub- bent area, in the second sub- bent area
Chamber is discharged with several tertiary stress；The tertiary stress release is intracavitary to be filled with buffering adhesive.
The bent area further includes the sub- bent area of third far from the viewing area in one of the embodiments, described
The sub- bent area of third is located at the side far from the viewing area of the second sub- bent area, has in the sub- bent area of third several
A 4th stress release chamber；4th stress release is intracavitary to be filled with buffering adhesive.
The bent area includes the organic film of at least two-layer laminate setting, adjacent two layers in one of the embodiments,
Several the first stress buffer chambers and/or several the second stress buffer chambers in the organic film are arranged in a staggered manner.
The flexible display screen includes several conducting wires in one of the embodiments, and the conducting wire is in first son
Line segment in bent area is S-shaped or twist shape.
The first stress release chamber and being parallel to for the second stress release chamber are described in one of the embodiments,
The cross sectional shape of the display surface of flexible display screen is circle, triangle, rectangle or rectangle.
In addition, a kind of display device is also provided, including above-mentioned flexible display screen.
Using the flexible display screen of technical solutions of the utility model, in the bending process of non-display area, the initial stage
Stress is concentrated mainly on the position in bent area close to viewing area, i.e., the first sub- bent area, and answering of being subject to of the firstth area when bending
Power is maximum.Since the summation of the volume of several the first stress release chambers is greater than the total of the volume of several the second stress release chambers
With, therefore several the first stress release chambers can be released effectively the stress bent in initial firstth area.Later folding s tress after
Continue to the second block transitive, stress is slightly smaller at this time, therefore several the second stress release chambers play release and are transferred to answering in the secondth area
Power.It is curved that several the first stress release chambers of the utility model targetedly play release with several the second stress release chambers
The effect for rolling over stress, can be avoided wire fracture.Meanwhile buffering adhesive can either play the role of discharging folding s tress, and increase
The adherence of the first sub- each layer in bent area avoids each layer from removing.Above-mentioned entirety can be avoided the failure of the display in bending process.
Using the display device of technical solutions of the utility model, in the bending process of non-display area, the initial stage is answered
Power is concentrated mainly on the position in bent area close to viewing area, i.e., the first sub- bent area, and the stress that the firstth area is subject to when bending
It is maximum.Since the summation of the volume of several the first stress release chambers is greater than the total of the volume of several the second stress release chambers
With, therefore several the first stress release chambers can be released effectively the stress bent in initial firstth area.Later folding s tress after
Continue to the second block transitive, stress is slightly smaller at this time, therefore several the second stress release chambers play release and are transferred to answering in the secondth area
Power.It is curved that several the first stress release chambers of the utility model targetedly play release with several the second stress release chambers
The effect for rolling over stress, can be avoided wire fracture.Meanwhile buffering adhesive can either play the role of discharging folding s tress, and increase
The adherence of the first sub- each layer in bent area avoids each layer from removing.Above-mentioned entirety can be avoided the failure of the display in bending process.
Detailed description of the invention
Fig. 1 is the schematic diagram of the flexible display screen before the bending of one embodiment of the utility model；
Fig. 2 is the schematic diagram of the flexible display screen after the bending of one embodiment of the utility model；
Fig. 3 is the front schematic view inside the flexible display screen of one embodiment of the utility model；
Fig. 4 is the side schematic view inside the flexible display screen of one embodiment of the utility model.
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 embodiment 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.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
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.
Traditional flexible display screen be easy to cause display to fail during bending.Present inventor is by grinding
Study carefully discovery, causing display failure, there are following two aspects reasons: the first, in the bending process of non-display area, the initial stage
Stress is concentrated mainly on the position in bent area close to viewing area, and the conducting wire of the position is easily broken off, so that display be caused to fail；
The second, it is easy to cause the organic film of conducting wire two sides to remove and be layered when bending, the conducting wire of the position lacks organic film at this time
Protection, can also be broken, thus cause display fail.
For this purpose, the utility model proposes a kind of flexible display screen and the display device including above-mentioned flexible display screen, to
The display in bending process is avoided to fail.
Referring to Figure 1~Fig. 3, the flexible display screen 100 of one embodiment of the utility model include viewing area (area AA,
Active Area) 110 and the non-display area (non-AA area) 120 adjacent with viewing area 110.Non-display area 120 includes and shows
Show the adjacent bent area 121 in area 110.
Wherein, viewing area 110 is the region for display, is provided with luminescent layer etc. in viewing area 110.It needs to illustrate
It is that viewing area 110 can be for all displays, the region that can not also be shown including frame etc..It is understood that this is practical new
The flexible display screen that type provides can be screen comprehensively, naturally it is also possible to be the display screen for commonly having frame or narrow frame.This
Outside, viewing area 110 is non-bent area, as shown in Figure 2.
Wherein, non-display area 120 is located at the outside of viewing area 110, includes circuit such as signal wire and display driver electricity
Road etc..When bending, can by along the intersection of viewing area 110 and non-display area 120 by the part of flexible display screen 100 rearwardly
It bends to make to minimize from the visible non-display area 120 in front, the flexible display screen 100 after being bent, as shown in Figure 2.
Wherein, bent area 121 is entirely located in non-display area 120.Bent area 121 includes that the first son close to viewing area is curved
Folding area 130.First sub- bent area 130 is the initial segment of bending, and width is that a quarter of the width of entire bent area 121 is left
It is right.
First sub- bent area 130 includes first area 131 adjacent with viewing area 110 and is located at the first area 131 far from aobvious
Show the second area 132 of the side in area 110, as shown in Figure 3.Wherein, there are several the first stress release chambers in the first area 131
133.Wherein, there are several the second stress release chambers 134 in the second area 132.Several the first stress release chambers 133 with it is several
A second stress release chamber 134 is located in the organic film of the first sub- bent area 130.
Wherein, the summation of the volume of several the first stress release chambers 133 is greater than several the second stress release chambers 134
The summation of volume.In the bending process of non-display area, the stress of initial stage is concentrated mainly in bent area close to viewing area
Position, i.e., the first sub- bent area 130, and the stress that is subject to of the first area 131 is maximum when bending, several the first stress release chambers
133 can be released effectively the stress bent in initial firstth area 131.
Wherein, buffering adhesive is filled in the first stress release chamber 133 and the second stress release chamber 134.Buffering adhesive can
Enough play the role of discharging folding s tress, and increase the adherence of the first sub- each layer in bent area, each layer is avoided to remove.
On the basis of aforementioned embodiments, the size phase of the first stress release chamber 133 and the second stress release chamber 134
Together, the number of the first stress release chamber 133 is greater than the number of the second stress release chamber 134, as shown in Figure 3.Due to the first stress
It is identical as the size of the second stress release chamber 134 to discharge chamber 133, therefore each first stress release chamber 133 and each second stress
The ability for discharging the release stress of chamber 134 is suitable.Simultaneously because the number of the first stress release chamber 133 is greater than the second stress release chamber
134 number, then why the ability of the first area 131 release stress is greater than the ability of the second area 132 release stress.Therefore, when soft
Property display screen 100 it is initial in non-display area bending, since stress is concentrated mainly on the first area 131, therefore several first stress are released
It puts chamber 133 and is initially used for release stress.Folding s tress continues to transmit to the second area 132 later, then the second stress release chamber 134 rises
To the effect of release stress.The the first stress release chamber 133 and the second stress release chamber 134 of present embodiment can play sublevel
The effect of section release stress, avoids stress is excessive from leading to wire fracture.
On the basis of aforementioned embodiments, several the first stress release chambers 133 and several the second stress release chambers
Direction of 134 distribution density from close to viewing area 110 to far from viewing area 110 is successively decreased, and several first stress releases
The distribution density of any position in the first area 131 of chamber 133 is all larger than several the second stress release chambers 134 in the second area 132
The distribution density of interior any position, as shown in Figure 3.That is, in the entire first sub- bent area 130, stress release chamber
Distribution density tapers off.The effect for discharging stress stage by stage can be further effectively played in this way, avoid stress is excessive from causing
Thread breakage.
It should be noted that in the flexible display screen of the utility model, the first stress release chamber and the second stress release chamber
Size and arrangement be not limited to this.
In another embodiment, the size of the first stress release chamber is greater than the size of the second stress release chamber.Due to
The size of one stress release chamber is larger, therefore the bending initial stage that can sufficiently discharge non-display area concentrates on answering for the firstth area
Power.
In another embodiment, the first stress release chamber is identical as the size of the second stress release chamber, several first
Stress release chamber is uniformly distributed in the firstth area, several the second stress release chambers are uniformly distributed in the secondth area.It so also can be first
Release bending initial set discharges the stress to the second block transitive again later, i.e., also plays and release stage by stage in the stress in the firstth area
The effect for putting stress avoids stress is excessive from leading to wire fracture.
On the basis of aforementioned embodiments, bent area 121 further includes that the second son positioned at 121 middle position of bent area is curved
Folding area 140.The width of second sub- bent area 140 is the half of width or so of entire bent area 121.Second sub- bent area
140 are located at the side of the separate viewing area 110 of the first sub- bent area 130, in the second sub- bent area 140 there are several thirds to answer
Power discharges chamber 142.Tertiary stress, which discharges, is filled with buffering adhesive in chamber 142.
Several tertiary stress release chamber 142 in above embodiment plays the role of discharging folding s tress, buffering adhesive
It can either play the role of discharging folding s tress, and increase the adherence of the second each layer in sub- bent area 140, each layer is avoided to shell
From.Above-mentioned entirety can be avoided the display failure of the second sub- bent area 140 in bending process.
On the basis of aforementioned embodiments, bent area 121 further includes the sub- bent area 150 of third far from viewing area 110.
The sub- bent area 150 of third is the back segment of bending, a quarter of width or so of the greatly entire bent area 121 of width.Third
Sub- bent area 150 is located at the side of the separate viewing area 110 of the second sub- bent area 140, has in the sub- bent area 150 of third several
A 4th stress release chamber 152.Buffering adhesive is filled in 4th stress release chamber 152.
Several the 4th stress release chambers 152 in above embodiment play the role of discharging folding s tress, buffering adhesive
It can either play the role of discharging folding s tress, and increase the adherence of each layer in the sub- bent area 150 of third, each layer is avoided to shell
From.Above-mentioned entirety can be avoided the display failure of the sub- bent area 150 of third in bending process.
It should be noted that several tertiary stress release chamber 142 and several the 4th stress in above embodiment
Discharging chamber 152 is to be uniformly distributed.But it is not limited, and in other embodiments, several tertiary stress discharge chamber 142
It also can be with non-uniform Distribution with several the 4th stress release chambers 152.
On the basis of aforementioned embodiments, Fig. 4 is referred to, bent area 121 includes the organic of at least two-layer laminate setting
Film layer 160.Organic film 160 is for protecting conducting wire.Several the first stress buffer chambers in adjacent two layers organic film 160
133 and/or several the second stress buffer chambers 134 be arranged in a staggered manner.It can be avoided in adjacent two layers organic film 160 in this way
Strength weak caused by one stress buffer chamber 133 or the second stress buffer chamber 134 communicate, so as to provide foot to conducting wire
Enough intensity protections.
On the basis of aforementioned embodiments, flexible display screen 100 includes several conducting wires 170, and conducting wire 170 is in the first son
Line segment in bent area 130 is S-shaped or twist shape.The conducting wire 170 of S-shaped or twist shape has certain elasticity, works as flexibility
When display screen 100 is bent, the conducting wire 170 itself of S-shaped or twist shape has the space of buffering, reduces by stress and is broken
Probability is more advantageous to and display is avoided to fail.
Several the first stress release chambers 133 in above embodiment and several the second stress release chambers 134 it is flat
Row is circle in the cross sectional shape of the display surface of flexible display screen 100.But it is not limited to this, the first stress release chamber with
Second stress release chamber respectively along be parallel to flexible display screen display surface cross sectional shape can also for triangle, rectangle or
Person's rectangle.
On the basis of aforementioned embodiments, non-display area 120 further includes the extension area 122 adjacent with bent area 121, is prolonged
It stretches area 122 and is located at the downside of viewing area 110 and parallel with viewing area 110, as shown in Figure 2.Wherein, settable in extension area 122
Chip.
Preferably, flexible display screen 100 further includes supporting layer 180, and supporting layer 180 is located at viewing area 110 and extension area 122
Between, extension area 122 fits in side of the supporting layer 180 far from viewing area 110.Supporting layer 180 is flexible aobvious to fixed support
Display screen 100 fractures to avoid the bent area 121 of flexible display screen 100 since bending degree is excessive.
Using the flexible display screen of technical solutions of the utility model, in the bending process of non-display area, the initial stage
Stress is concentrated mainly on the position in bent area close to viewing area, i.e., the first sub- bent area, and answering of being subject to of the firstth area when bending
Power is maximum.Since the summation of the volume of several the first stress release chambers is greater than the total of the volume of several the second stress release chambers
With, therefore several the first stress release chambers can be released effectively the stress bent in initial firstth area.Later folding s tress after
Continue to the second block transitive, stress is slightly smaller at this time, therefore several the second stress release chambers play release and are transferred to answering in the secondth area
Power.It is curved that several the first stress release chambers of the utility model targetedly play release with several the second stress release chambers
The effect for rolling over stress, can be avoided wire fracture.Meanwhile buffering adhesive can either play the role of discharging folding s tress, and increase
The adherence of the first sub- each layer in bent area avoids each layer from removing.Above-mentioned entirety can be avoided the failure of the display in bending process.
The display device of one embodiment, including above-mentioned flexible display screen.
Using the display device of technical solutions of the utility model, in the bending process of non-display area, the initial stage is answered
Power is concentrated mainly on the position in bent area close to viewing area, i.e., the first sub- bent area, and the stress that the firstth area is subject to when bending
It is maximum.Since the summation of the volume of several the first stress release chambers is greater than the total of the volume of several the second stress release chambers
With, therefore several the first stress release chambers can be released effectively the stress bent in initial firstth area.Later folding s tress after
Continue to the second block transitive, stress is slightly smaller at this time, therefore several the second stress release chambers play release and are transferred to answering in the secondth area
Power.It is curved that several the first stress release chambers of the utility model targetedly play release with several the second stress release chambers
The effect for rolling over stress, can be avoided wire fracture.Meanwhile buffering adhesive can either play the role of discharging folding s tress, and increase
The adherence of the first sub- each layer in bent area avoids each layer from removing.Above-mentioned entirety can be avoided the failure of the display in bending process.
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, which is characterized in that the flexible display screen includes viewing area and abuts with the viewing area
Non-display area；The non-display area includes the bent area adjacent with the viewing area；
The bent area includes close to the first sub- bent area of the viewing area, and the first sub- bent area includes:
Firstth area, it is adjacent with the viewing area, there are several the first stress release chambers in firstth area；
And secondth area, have in the side of firstth area far from the viewing area, secondth area several second
Stress release chamber；
Wherein, the summation of the volume of several the first stress release chambers is greater than the body of several the second stress release chambers
Long-pending summation；
Wherein, the first stress release chamber and second stress release are intracavitary filled with buffering adhesive.
2. flexible display screen according to claim 1, which is characterized in that the first stress release chamber is answered with described second
The size that power discharges chamber is identical, and the number of the first stress release chamber is greater than the number of the second stress release chamber.
3. flexible display screen according to claim 2, which is characterized in that several described first stress release chambers with it is several
Direction of the distribution density of a second stress release chamber from close to the viewing area to far from the viewing area is successively decreased, and
Several described first stress release chambers distribution density of any position in firstth area be all larger than several described second
The distribution density of stress release chamber any position in secondth area.
4. flexible display screen according to claim 1, which is characterized in that the size of the first stress release chamber is greater than institute
State the size of the second stress release chamber.
5. flexible display screen according to claim 1, which is characterized in that the bent area further includes being located at the bent area
The sub- bent area of the second of middle position, the second sub- bent area are located at one far from the viewing area of the first sub- bent area
Side there are several tertiary stress to discharge chamber in the second sub- bent area；The tertiary stress release is intracavitary filled with buffering
Glue.
6. flexible display screen according to claim 1, which is characterized in that the bent area further includes far from the viewing area
The sub- bent area of third, the sub- bent area of third is located at the side far from the viewing area of the second sub- bent area, described the
There are several the 4th stress release chambers in three sub- bent areas；4th stress release is intracavitary to be filled with buffering adhesive.
7. flexible display screen according to claim 1, which is characterized in that the bent area is arranged including at least two-layer laminate
Organic film, several the first stress buffer chambers and/or several second stress in organic film described in adjacent two layers are slow
Chamber is rushed to be arranged in a staggered manner.
8. flexible display screen according to claim 1, which is characterized in that the flexible display screen includes several conducting wires,
Line segment of the conducting wire in the described first sub- bent area be S-shaped or twist shape.
9. flexible display screen according to claim 1, which is characterized in that the first stress release chamber is answered with described second
The cross sectional shape that power discharges the display surface for being parallel to the flexible display screen of chamber is circle, triangle, rectangle or length
It is rectangular.
10. a kind of display device, which is characterized in that including flexible display screen such as according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821141097.8U CN208488917U (en) | 2018-07-18 | 2018-07-18 | Flexible display screen and display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821141097.8U CN208488917U (en) | 2018-07-18 | 2018-07-18 | Flexible display screen and display device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208488917U true CN208488917U (en) | 2019-02-12 |
Family
ID=65246614
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821141097.8U Active CN208488917U (en) | 2018-07-18 | 2018-07-18 | Flexible display screen and display device |
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| Country | Link |
|---|---|
| CN (1) | CN208488917U (en) |
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2018
- 2018-07-18 CN CN201821141097.8U patent/CN208488917U/en active Active
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
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: Flexible display screen and display device Granted publication date: 20190212 License type: Common License Record date: 20191030 |
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| EE01 | Entry into force of recordation of patent licensing contract |