CN108336115A - A kind of display device and display device - Google Patents
A kind of display device and display device Download PDFInfo
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- CN108336115A CN108336115A CN201810098995.8A CN201810098995A CN108336115A CN 108336115 A CN108336115 A CN 108336115A CN 201810098995 A CN201810098995 A CN 201810098995A CN 108336115 A CN108336115 A CN 108336115A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/121—Active-matrix OLED [AMOLED] displays characterised by the geometry or disposition of pixel elements
Abstract
A kind of display device of present invention offer and display device.Display device includes substrate, pixel layer structure and encapsulation layer structure, the pixel layer structure is located above the substrate, the encapsulation layer structure is located at the pixel layer superstructure, the pixel layer structure includes pixel region and non-pixel areas, the pixel region includes several sub-pixels, the non-pixel areas is between each sub-pixel, the encapsulation layer structure includes functional layer, the functional layer has several light shielding parts, and the light shielding part and the projection of the non-pixel areas on the substrate are least partially overlapped.Light shielding part replaces circular polarizing disk, can not only reduce the reflection of ambient light, but also can ensure that the bendable folding endurance and flexibility of display device simultaneously.
Description
Technical field
The present invention relates to display screen technology field more particularly to a kind of display device and display devices.
Background technology
Conventional display device reduces reflection of the metal electrode to ambient light usually using rotatory polarization piece.
Flexible display device is the flexible display device of changeable type made of soft material.Its with low in energy consumption,
It is small, it is directly visual flexible the features such as.It is cylindric that superpower pliability allows display device to be rolled into, more convenient packaging fortune
It is defeated.
For flexible display device, cause its bendable folding endurance and flexibility to be restricted using rotatory polarization sector-meeting, influences
The application of flexible display device.
Invention content
The embodiment of the present invention provides a kind of display device, to solve the above technical problems.
The embodiment of the present invention also provides a kind of display device.
A kind of display device, including substrate, pixel layer structure and encapsulation layer structure, the pixel layer structure are located at described
Above substrate, the encapsulation layer structure is located at the pixel layer superstructure,
The pixel layer structure includes pixel region and non-pixel areas, and the pixel region includes several sub-pixels, the non-picture
Plain area between each sub-pixel,
The encapsulation layer structure includes functional layer, the functional layer have several light shielding parts, the light shielding part with it is described non-
The projection of pixel region on the substrate is least partially overlapped.
Further, the encapsulation layer structure further includes organic encapsulation layer and inorganic encapsulated layer, and the functional layer, which is located at, to be had
Between machine encapsulated layer and inorganic encapsulated layer.
Further, light transmission rate≤10% of the light shielding part.
Further, the functional layer also has several transmittance sections, and the transmittance section is with each sub-pixel described
Projection on substrate is least partially overlapped, light transmission rate >=43.5% of the transmittance section.
Further,
The functional layer includes several first organic layers, contains light screening material in first organic layer, makes described first
At least partly region in organic layer forms light shielding part.
Further,
The encapsulation layer structure further includes several first inorganic layers, and first inorganic layer is graphically formed with several first
Groove,
First organic layer includes several first filled sections,
At least fill the segment space of first groove, first filled section and the non-picture in first filled section
The projection of plain area on the substrate is least partially overlapped, and first filled section is the light shielding part.Further,
The functional layer also has several transmittance sections, the transmittance section and the throwing of each sub-pixel on the substrate
Shadow is least partially overlapped；
First organic layer further includes several first organic linking sections,
The first organic linking section is connect with first filled section, the first organic linking section and each son
The projection of pixel on the substrate is least partially overlapped, and the first organic linking section is the transmittance section.
Further,
The encapsulation layer structure further includes several second inorganic layers and several second organic layers, and second organic layer covers
Second inorganic layer is covered, second organic layer is transparent material,
Second inorganic layer is graphically formed with several second grooves, and second groove and first groove are mutual
It is staggered.
Further,
First organic layer is graphically formed with several light shielding parts.
Further, first organic layer is graphically formed with several light shielding parts and several transmittance sections, the transmittance section
It is least partially overlapped with the projection of each sub-pixel on the substrate.
A kind of display device, including aforementioned display device part.
The embodiment of the present invention uses following technical proposals：
Compared with prior art, the functional layer of display device provided by the invention, encapsulation layer structure includes several light shielding parts.
Light shielding part replaces circular polarizing disk, can not only reduce the reflection of ambient light, but also can ensure that the bendable folding endurance of display device and soft simultaneously
Property.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and constitutes the part of the present invention, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is flexible display device plan view provided in an embodiment of the present invention；
Fig. 2 is one embodiment of the invention along the schematic diagrames of A-A ' directional profiles shown in Fig. 1；
Fig. 3 is another embodiment of the present invention along the schematic diagrames of A-A ' directional profiles shown in Fig. 1；
Fig. 4 is further embodiment of this invention along the schematic diagrames of A-A ' directional profiles shown in Fig. 1；
Fig. 5 is further embodiment of this invention along the schematic diagrames of A-A ' directional profiles shown in Fig. 1.
Reference numeral：
1- pixel layers structure, 11- pixel regions, 12- non-pixel areas；
2- encapsulation layer structures, 21- first layers group, the first inorganic layers of 211-, first inorganic section of 2111-, 2112- first are inorganic
Linkage section, the first grooves of 211a-, the first organic layers of 212-, the first filled sections 2121-, the first organic linkings of 2122- section, 212a-
Shading section, 212b- light transmissions section, the transparent organic layers of 213-, the first transparent sections of 2131-, the second transparent sections of 2132-, the surface layers 22- are inorganic
Layer, 23- second layers group, the second inorganic layers of 231-, second inorganic section of 2311-, the second inorganic linkage sections of 2312-, 231a- second are recessed
Slot, the second organic layers of 232-.
Specific implementation mode
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with the specific embodiment of the invention and
Technical solution of the present invention is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Go out the every other embodiment obtained under the premise of creative work, shall fall within the protection scope of the present invention.
Direction term that the present invention is previously mentioned, such as "upper", "lower" etc. are only the directions with reference to annexed drawings.Therefore, make
Direction term is to illustrate and understand the present invention, rather than to limit the present invention.In order to understand and be convenient for description, attached drawing
Shown in each component size and thickness be to be arbitrarily shown, but the invention is not restricted to this.
It will be appreciated that when the component of such as layer is referred to as " on another component ", component can be directly at another group
On part, or there may also be intermediate modules.In addition, in the description, unless explicitly described as opposite, otherwise word
" comprising " will be understood as meaning to include component, but be not excluded for any other component.
Below in conjunction with attached drawing, the technical solution of preferred embodiment that the present invention will be described in detail offer.
As shown in Figures 1 to 4, the embodiment of the present invention provides a kind of display device, including display device.
Display device includes substrate (not shown), pixel layer structure 1 and encapsulation layer structure 2, and pixel layer structure 1 is located at base
Above plate, encapsulation layer structure 2 is located at 1 top of pixel layer structure.Following embodiment display device is by taking flexible display device as an example
It illustrates.
Pixel layer structure 1 includes pixel region 11 and non-pixel areas 12, and pixel region 11 includes several sub-pixels, non-pixel areas position
Between each sub-pixel.In the present embodiment, pixel region includes red sub-pixel R, green sub-pixels G and blue subpixels B.
Each sub-pixel sends out the light of corresponding color, and then realizes that the true color of display device is shown.
Encapsulation layer structure 2 includes functional layer (not labeled), and functional layer has several light shielding parts.Light shielding part and non-pixel areas 12
Projection on substrate is least partially overlapped, so that light shielding part is directed at non-pixel areas 12.The present invention is due to foring alignment
The light shielding part of non-pixel areas 12, light shielding part replace circular polarizing disk, can not only reduce the reflection of ambient light, but also can ensure that display simultaneously
The bendable folding endurance and flexibility of device, preferably light transmission rate≤10% of light shielding part.
Functional layer also has several transmittance sections.Transmittance section and projection of each sub-pixel on substrate are least partially overlapped,
So that transmittance section aligned pixel area 11, to not influence the normal light extraction of display device, preferably the light transmission rate of transmittance section >=
43.5%.
Specifically, functional layer includes several first organic layers 212 in one embodiment of the invention, is contained in the first organic layer 212
There is light screening material, at least partly region in first organic layer 212 is made to form light shielding part.Light screening material can prevent the external world
Light flows into inside flexible display device.Light screening material can be black dyes, it may be other with light-proofness certainly
Organic material, the present invention it is without limitation.
Encapsulation layer structure further includes several first inorganic layers 211, and the first organic layer 212 covers the first inorganic layer 211.Each
First inorganic layer 211 and the first organic layer 212 form a first layer group 21.Encapsulation layer structure further includes surface layer inorganic layer 22,
Surface layer inorganic layer 22 is located at the top of first layer group 21.
More specifically, with reference to figure 2, in an embodiment of the present invention, the first inorganic layer 211 is graphically formed with several first
Inorganic section 2111, several first inorganic linkage sections 2112, first inorganic section 2111 mutually staggers with the first inorganic linkage section 2112.
First inorganic section of 2111 thickness is more than 2112 thickness of the first inorganic linkage section.First inorganic linkage section 2112 and surrounding first
Surround the first groove 211a for inorganic section 2111 jointly.The setting of first groove 211a facilitates the first organic layer 212 to fill out it
It fills, and then forms light shielding part.First groove 211a cross sectional shapes can be arbitrarily arranged, and be made for ease of technique, preferably rectangular
Or it is trapezoidal, the present embodiment is illustrated by taking rectangle as an example.The width at rectangle or trapezoidal short bottom is set as c, the width of each sub-pixel
For b, c >=b, so that transmittance section is directed at each sub-pixel, and light shielding part is directed at non-pixel areas 12.
First organic layer 212 can only include the first filled section 2121, and the first filled section 2121 is with non-pixel areas 12 in base
Projection on plate is least partially overlapped, all or part of space that the first groove 211a is filled in the first filled section 2121 (is not schemed
Show).At this point, the first filled section 2121 is light shielding part.
First filled section, 2121 thickness is h1, and the depth of the first groove 211a is h2.First filled section, 2121 thickness is thicker,
It is stronger to the barrier effect of external environmental light, can more reduce the reflection of ambient light, therefore is preferably such that h1 >=h2.
But in process engineering, usual each equal whole face of layer structure is formed, and the first organic layer 212 is same.Such case
Under, if the first organic layer 212 only includes the first filled section 2121, to realize h1 >=h2, usually also to form the first organic layer
It is handled after 212, the first inorganic layer 211 of damage lower layer is possible in processing procedure.Therefore, the embodiment of the present invention is excellent
The first organic layer 212 is selected to include the first filled section 2121 and the first organic linking section 2122, the first filled section 2121 and non-picture
Projection of the plain area 12 on substrate is least partially overlapped, the first organic linking section 2122 and projection of each sub-pixel on substrate
It is least partially overlapped.First filled section 2121 is full of and exceeds the first groove 211a, and the first organic linking section 2122 connects phase
Adjacent first filled section 2121, and cover first inorganic section 2111.First filled section 2121 is light shielding part, the first organic linking section
2122 be transmittance section.The formation of first organic linking section 2122 can protect the first inorganic layer 211 against damages.Meanwhile first fills out
The full first groove 211a of some filling of section 2121 is filled, thickness h 1 exceeds the depth h2 of the first groove 211a, also enhances
To the barrier effect of external environmental light.Specifically, can be arranged, h2≤3 μm, h1≤15 μm.
Encapsulation layer structure 2 plays the role of seal protection to display device internal structure, inorganic layer therein (including first
Inorganic layer 211 and surface layer inorganic layer 22) with the work for preventing or reducing infiltration of the moisture from encapsulation layer structure 2 into display area
With.Intermediate organic layer (including first organic layer 212) can alleviate stress mismatch between the inorganic layers of both sides and lead to crackle,
The impurity particle between two layers of inorganic layer is wrapped up simultaneously, so that the inorganic layer surfacing above it, and then with more
The function of good water oxygen resistant.The inorganic layer and organic layer of multiple stackings can make encapsulation layer structure 2 be better protected from crackle with
And has the function of better water oxygen resistant.It is therefore preferable that 21 quantity of setting first layer group is more than 1, with reference to figure 3, another reality of the present invention
It applies in example, 21 quantity of first layer group is more than 1.
In the embodiment of the present invention, encapsulation layer structure 2 can also include several second layer groups 23, and second layer group 23 is located at two
Between adjacent first layer group 21, and then increase the inorganic layer of stacking and organic layer number so that encapsulation layer structure 2 is preferably anti-
Crack arrest line and has the function of better water oxygen resistant.It is preferred that 21 quantity of first layer group is more than 1,23 quantity of second layer group is more than 1.
Second layer group 23 includes the second inorganic layer 231 and the second organic layer 232, and the second organic layer 232 covers the second nothing
Machine layer 231, the second organic layer 232 are transparent material.Since the second organic layer 232 is transparent material, thickness is to display
The normal light extraction of sub-pixel of device has no significant effect, and shape setting is relatively free.
Specifically, with reference to figure 4, in still another embodiment of the present invention, first layer group 21 and 23 quantity of second layer group are big
In 1.Second inorganic layer 231 is graphically formed with several second inorganic sections 2311, several second inorganic linkage sections 2312, the second nothing
Machine section 2311 is mutually staggered with the second inorganic linkage section 2312, and second inorganic section of 2311 thickness is more than the second inorganic linkage section 2312
Thickness.Second inorganic linkage section 2312 surrounds the second groove 231a jointly with surrounding second inorganic section 2311.If second is recessed
Slot 231a is aligned with the first groove 211a, then the stress of inorganic interlayer is not easy to discharge, therefore the present embodiment preferably the second groove
231a is mutually staggered with the first groove 211a.
Each first inorganic layer of above-described embodiment 211 is patterned structures, in the embodiment of the present invention, each first inorganic layer
211 are alternatively non-patterned structure.With reference to figure 5, in further embodiment of this invention, first layer group 21 further includes transparent organic layer
213, transparent organic layer 213 covers the first organic layer 211.
First organic layer 212 is graphically formed with the light shielding part 212a mutually staggered and transmittance section 212b, light shielding part 212a
Thickness is more than transmittance section 212b thickness, and the first organic layer 212 is to be formed after being patterned processing.In order to avoid graphical treatment
The first inorganic layer 211 of lower layer is damaged in the process, therefore light transmission section 212b thickness is preferably greater than 0, in certain other embodiment, thoroughly
Light portion 212b thickness is alternatively 0, that is, the first organic layer 212 is graphically only formed with light shielding part 212a, and the present invention does not do this
Limitation.
Transparent organic layer 213 includes the first transparent section 2131 and the second transparent section 2132 mutually staggered, the first transparent section
2131 is Chong Die with projections of the transmittance section 212b on substrate, the second transparent section 2132 and projection weights of the light shielding part 212a on substrate
Folded, 2131 thickness of the first transparent section is more than 2132 thickness of the second transparent section.In technical process, transparent organic layer 213 is formed in figure
212 top of the first organic layer of shape forms graphical in turn.For the ease of controlling process conditions, 2132 thickness of the second transparent section
Typically larger than 0.Certainly, under conditions of process regulation is proper, 2132 thickness of the second transparent section can also be equal to 0.
Surface layer inorganic layer 22 is located at the top of entire encapsulation layer structure, is directly contacted with external environment, tentatively prevents outer
Moisture in boundary's environment enters, that is, prevents water oxygen from entering.Surface layer inorganic layer 22 also can similar first inorganic layer 211 or the second nothing
Machine layer 221 is equally patterned structures, and still, the oxygen performance that blocks water of patterned surface layer inorganic layer 22 may decline, therefore, it is recommended that
Its surfacing.
Embodiments above realizes light shielding part and the transmittance section of functional layer by patterned mode, but this hair
It is bright to be not limited system, it can also be formed by other means.For example, can so that functional layer is doped with light screening material
Then organic layer controls light screening material concentration that each section is adulterated in organic layer etc. and then forms the different light shielding part of light transmission rate
With transmittance section.
In addition, the shading performance of embodiments above functional layer is utilized in doping light screening material shape in organic layer
At.And other embodiments of the invention are also not limited system, for example, functional layer can need not also be adulterated and have shading in itself
Performance can be that organic material is alternatively inorganic material, at this point, encapsulation layer structure further includes organic encapsulation layer and inorganic encapsulated
Layer, functional layer is between organic encapsulation layer and inorganic encapsulated layer.
In conclusion flexible display device provided by the invention, encapsulation layer structure includes several light shielding parts, light shielding part alignment
Non-pixel areas.Light shielding part replaces circular polarizing disk, can not only reduce the reflection of ambient light, but also can ensure that the bendable of display device simultaneously
Folding endurance and flexibility.
Claims (11)
1. a kind of display device, which is characterized in that including substrate, pixel layer structure and encapsulation layer structure, the pixel layer knot
Structure is located above the substrate, and the encapsulation layer structure is located at the pixel layer superstructure,
The pixel layer structure includes pixel region and non-pixel areas, and the pixel region includes several sub-pixels, the non-pixel areas
Between each sub-pixel,
The encapsulation layer structure includes functional layer, and the functional layer has several light shielding parts, the light shielding part and the non-pixel
The projection of area on the substrate is least partially overlapped.
2. display device according to claim 1, which is characterized in that the encapsulation layer structure further include organic encapsulation layer with
Inorganic encapsulated layer, the functional layer is between organic encapsulation layer and inorganic encapsulated layer.
3. display device according to claim 1, which is characterized in that light transmission rate≤10% of the light shielding part.
4. display device according to claim 1, which is characterized in that the functional layer also has several transmittance sections, described
Transmittance section and the projection of each sub-pixel on the substrate are least partially overlapped, and the light transmission rate of the transmittance section >=
43.5%.
5. display device according to claim 1, which is characterized in that
The functional layer includes several first organic layers, contains light screening material in first organic layer, is made described first organic
At least partly region in layer forms light shielding part.
6. display device according to claim 5, which is characterized in that
The encapsulation layer structure further includes several first inorganic layers, and it is recessed that first inorganic layer is graphically formed with several first
Slot,
First organic layer includes several first filled sections,
At least fill the segment space of first groove, first filled section and the non-pixel areas in first filled section
Projection on the substrate is least partially overlapped, and first filled section is the light shielding part.
7. display device according to claim 6, which is characterized in that
The functional layer also has several transmittance sections, and the transmittance section and the projection of each sub-pixel on the substrate are extremely
Small part is overlapped；
First organic layer further includes several first organic linking sections,
The first organic linking section is connect with first filled section, the first organic linking section and each sub-pixel
Projection on the substrate is least partially overlapped, and the first organic linking section is the transmittance section.
8. display device according to claim 6, which is characterized in that
The encapsulation layer structure further includes several second inorganic layers and several second organic layers, and second organic layer covers institute
The second inorganic layer is stated, second organic layer is transparent material,
Second inorganic layer is graphically formed with several second grooves, and second groove and first groove are mutually wrong
It opens.
9. display device according to claim 5, which is characterized in that
First organic layer is graphically formed with several light shielding parts.
10. display device according to claim 5, which is characterized in that first organic layer is graphically formed with several
Light shielding part and several transmittance sections, the transmittance section and the projection of each sub-pixel on the substrate are least partially overlapped.
11. a kind of display device, which is characterized in that including claim 1-10 any one of them display devices.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098995.8A CN108336115A (en) | 2018-01-31 | 2018-01-31 | A kind of display device and display device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810098995.8A CN108336115A (en) | 2018-01-31 | 2018-01-31 | A kind of display device and display device |
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| CN108336115A true CN108336115A (en) | 2018-07-27 |
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| CN201810098995.8A Pending CN108336115A (en) | 2018-01-31 | 2018-01-31 | A kind of display device and display device |
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| CN109256484A (en) * | 2018-08-31 | 2019-01-22 | 云谷（固安）科技有限公司 | A kind of display panel and preparation method thereof, display |
| CN109659345A (en) * | 2018-12-19 | 2019-04-19 | 武汉华星光电半导体显示技术有限公司 | Flexible OLED panel |
| CN113437117A (en) * | 2021-06-09 | 2021-09-24 | Tcl华星光电技术有限公司 | Display panel and preparation method thereof |
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Application publication date: 20180727 |