CN208014704U - Display device and flexible display - Google Patents
Display device and flexible display Download PDFInfo
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- CN208014704U CN208014704U CN201820437797.5U CN201820437797U CN208014704U CN 208014704 U CN208014704 U CN 208014704U CN 201820437797 U CN201820437797 U CN 201820437797U CN 208014704 U CN208014704 U CN 208014704U
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Abstract
The utility model is related to a kind of display device and flexible displays.Display device has pixel region and non-pixel areas.Non-pixel areas includes：Substrate；Planarization layer is formed on substrate；And pixel confining layer, it is formed on planarization layer, surface of the pixel confining layer far from substrate is equipped with opening.The display device of the utility model, since the surface of pixel confining layer is equipped with opening, when side bending of the display device towards opening, opening can form stress buffer area.To effectively discharge the stress of display device, bending is avoided to cause to damage to display device, therefore the performance of flexible display can be improved.
Description
Technical field
The utility model is related to display technology fields, more particularly to a kind of display device and flexible display.
Background technology
With the development of display technology, the application of flexible display technologies is more and more extensive.However, traditional flexible display
During bending, organic luminous layer is easy to happen physical damage, to influence the performance of flexible display.
Utility model content
Based on this, it is necessary to which the problem of for the performance for how improving flexible display, flexibility can be improved by providing one kind
The display device and flexible display of the performance of display.
A kind of display device has pixel region and non-pixel areas；The non-pixel areas includes：
Substrate；
Planarization layer is formed on the substrate；
And pixel confining layer, it is formed on the planarization layer, surface of the pixel confining layer far from the substrate
Equipped with opening.
The display device of the utility model, since the surface of pixel confining layer is equipped with opening, when display device direction is open
Side bending when, opening can form stress buffer area.To effectively discharge the stress of display device, avoid bending to aobvious
Showing device causes to damage, therefore can improve the performance of flexible display.
The opening through the pixel confining layer and stretches into the planarization layer in one of the embodiments,.
The thickness of the depth and planarization layer of the opening in the planarization layer in one of the embodiments,
Ratio is 1:2~4:5.
The section of the opening is V-shaped in one of the embodiments, or U-shaped.
The number of the opening is several in one of the embodiments, several described openings are uniformly distributed in institute
It states in display device.
In one of the embodiments, the summation of several projected areas of the opening in the substrate surface with it is described
The ratio of the area of substrate is 1:2~4:5.
The display device includes viewing area in one of the embodiments, and the opening is located in the viewing area.
The thickness of the planarization layer is 2 μm~5 μm in one of the embodiments,.
The thickness of the pixel confining layer is 1 μm~2 μm in one of the embodiments,.
A kind of flexible display, including above-mentioned display device are also provided.
The flexible display of the utility model works as display since the surface of pixel confining layer in display device is equipped with opening
When device is bent towards the side of opening, opening can form stress buffer area.To effectively discharge the stress of display device,
It avoids bending from causing to damage to entire flexible display especially anode and organic pixel point part, therefore can improve flexible aobvious
Show the performance of device.
Description of the drawings
Fig. 1 is the schematic diagram of the display device of the utility model first embodiment；
Fig. 2 is the schematic diagram before the display device bending of the utility model second embodiment；
Fig. 3 is the schematic diagram after the display device bending of the utility model second embodiment.
Specific implementation mode
To keep the above objects, features, and advantages of the utility model more obvious and easy to understand, below in conjunction with the accompanying drawings to this
The specific implementation mode of utility model is described in detail.Elaborate many details in order to abundant in the following description
Understand the utility model.But the utility model can be much to implement different from other manner described here, 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.
Fig. 1 is referred to, the display device 100 of first embodiment has pixel region 110 and non-pixel areas 120.Wherein,
Non-pixel areas 120 includes substrate 121, planarization layer 122 and pixel confining layer 123.
Wherein, pixel region 110 is region corresponding with pixel unit in display device 100, is equipped in pixel region 110 thin
Film transistor and capacitor etc. are used to drive the electronic component of pixel unit.Concrete structure of the present invention for pixel region 110
It is not particularly limited, those skilled in the art may be used and think suitable various structures, details are not described herein.
Non-pixel areas 120 is centered around around pixel region 110.Certainly, non-pixel areas 120 can also exist only in pixel region
The outside of 110 one or more sides.
Wherein, substrate 121 is used to support planarization layer 122 and pixel confining layer 123.Substrate 121 refers to can be
The supporting layer of planarization layer 122 is formed thereon.Substrate 121 can be an one functional layer, can also be two layers or two layers or more
Overlaying function layer.For example, substrate 121 can be followed successively by PI-1 layers, BL-1 layers, PI-2 layers, BL-2 layers, three layers of SiNx+SiOx
Layer, GI layers, the superposition of CI layers and ILD layer.
Wherein, planarization layer (may be simply referred to as PLN layers) 122 is formed on substrate 121.Planarization layer 122 will be for that will be located at
Functional layer planarization below, in favor of being subsequently formed on other flat functional layers.Evaporation process may be used to exist
Planarization layer 122 is formed on substrate 121.
Wherein, pixel confining layer 123 is formed on planarization layer 122, surface of the pixel confining layer 123 far from substrate 121
Equipped with opening 130.Pixel confining layer 123 plays the role of limiting pixel region 110.Evaporation process may be used in planarization layer
Pixel confining layer 123 is formed on 122.Furthermore, it is possible to which opening 130 is formed in pixel confining layer 123 using etching technics.
Since the surface of pixel confining layer 123 is equipped with opening 130, when display device 100 is bent towards the side of opening 130
When, opening 130 can form stress buffer area.To effectively discharge the stress of display device 100, bending is avoided to fill display
It sets 100 to cause to damage, therefore the performance of flexible display can be improved.
On the basis of aforementioned embodiments, opening 130 is through pixel confining layer 123 and stretches into planarization layer 122, such as schemes
Shown in 1.Depth of the opening 130 in display device 100 is larger at this time, advantageously forms more effective stress buffer area.
It should be noted that opening 130 can not also stretch into planarization layer 122, it can be only in the table of pixel confining layer 123
Face is equipped with opening 130.Opening 130 can run through pixel confining layer 123, can also be not through pixel confining layer 123.
On the basis of aforementioned embodiments, thickness of the opening 130 in the depth and planarization layer 122 of planarization layer 122
Ratio be 1:2~4:5.The range can form larger stress buffer section, and remainder has certain supporting role, can increase
Strong whole bending ability.
On the basis of aforementioned embodiments, be open 130 section is V-shaped or U-shaped.Certainly, be open 130 section not
It is limited to this, can also is in other rules or irregular shape, such as trapezoidal.
On the basis of aforementioned embodiments, 130 number of being open is several, several openings 130 are uniformly distributed in
In display device 121.Stress when can be bent in this way to display device 100 plays equably cushioning effect.
On the basis of aforementioned embodiments, summation and base of several openings 130 in the projected area on 121 surface of substrate
The ratio of the area of plate 121 is 1:2~4:5.The surface accounting can protection be positive as possible under the premise of forming stress buffer area
The stability of polar circuit.
On the basis of aforementioned embodiments, display device 100 includes viewing area, and opening 130 is located in viewing area.When
So, be open 130 position is subject to and does not influence other elements.For example, will opening 130 set on no wiring area or other without influence
Region.
On the basis of aforementioned embodiments, the thickness of planarization layer 122 is 2 μm~5 μm.The planarization layer of the thickness
122 thickness is thicker compared with normal process, and larger etched volume can be provided for buffering area while covering step.
On the basis of aforementioned embodiments, the thickness of pixel confining layer 123 is 1 μm~2 μm.The pixel of the thickness range
Confining layers 123 can effectively cover anode step, while provide space for vapor deposition organic layer.
Fig. 2 is referred to, the display device 200 of second embodiment has pixel region 210 and non-pixel areas 220.Non- picture
Plain area 220 includes pixel confining layer 221.Wherein, the surface of pixel confining layer 221 is equipped with v-shaped opening 230.
Fig. 3 is referred to, after display device 200 is bent, the opening of v-shaped opening 230 becomes smaller, and plays the role of buffering stress,
The functional layer that pixel region 210 can be protected well, avoids pixel region 210 from being damaged in the process of bending.
The display device of the utility model, since the surface of pixel confining layer is equipped with opening, when display device direction is open
Side bending when, opening can form stress buffer area.To effectively discharge the stress of display device, avoid bending to aobvious
Showing device causes to damage, therefore can improve the performance of flexible display.
The flexible display of one embodiment, including above-mentioned display device 100.Flexible display can be OLED device
Deng.
The flexible display of the utility model works as display since the surface of pixel confining layer in display device is equipped with opening
When device is bent towards the side of opening, opening can form stress buffer area.To effectively discharge the stress of display device,
It avoids bending from causing to damage to entire flexible display especially anode and organic pixel point part, therefore can improve flexible aobvious
Show the performance of device.
Each technical characteristic of embodiment described above can be combined arbitrarily, to keep description succinct, 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, it is all considered to be the range of this specification record.
Above-described embodiments merely represent several embodiments of the utility model, the description thereof is more specific and detailed,
But therefore it can not be interpreted as the limitation 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 scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of display device, which is characterized in that have pixel region and non-pixel areas；The non-pixel areas includes：
Substrate；
Planarization layer is formed on the substrate；
And pixel confining layer, it is formed on the planarization layer, surface of the pixel confining layer far from the substrate is equipped with
Opening.
2. display device according to claim 1, which is characterized in that the opening is through the pixel confining layer and stretches into
The planarization layer.
3. display device according to claim 2, which is characterized in that depth and institute of the opening in the planarization layer
The ratio for stating the thickness of planarization layer is 1:2~4:5.
4. display device according to claim 1, which is characterized in that the section of the opening is V-shaped or U-shaped.
5. display device according to claim 1, which is characterized in that the number of the opening is several, described several
A opening is uniformly distributed in the display device.
6. display device according to claim 5, which is characterized in that throwing of several the described openings in the substrate surface
The ratio of the summation of shadow area and the area of the substrate is 1:2~4:5.
7. display device according to claim 1, which is characterized in that the display device includes viewing area, the opening
In the viewing area.
8. display device according to claim 1, which is characterized in that the thickness of the planarization layer is 2 μm~5 μm.
9. display device according to claim 1, which is characterized in that the thickness of the pixel confining layer is 1 μm~2 μm.
10. a kind of flexible display, which is characterized in that including display device according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437797.5U CN208014704U (en) | 2018-03-29 | 2018-03-29 | Display device and flexible display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820437797.5U CN208014704U (en) | 2018-03-29 | 2018-03-29 | Display device and flexible display |
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| Publication Number | Publication Date |
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| CN208014704U true CN208014704U (en) | 2018-10-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020118956A1 (en) * | 2018-12-12 | 2020-06-18 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method therefor, and display device |
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2018
- 2018-03-29 CN CN201820437797.5U patent/CN208014704U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020118956A1 (en) * | 2018-12-12 | 2020-06-18 | 武汉华星光电半导体显示技术有限公司 | Display panel and manufacturing method therefor, and display device |
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