CN109659346A - OLED display panel and OLED display - Google Patents
OLED display panel and OLED display Download PDFInfo
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- CN109659346A CN109659346A CN201811556910.2A CN201811556910A CN109659346A CN 109659346 A CN109659346 A CN 109659346A CN 201811556910 A CN201811556910 A CN 201811556910A CN 109659346 A CN109659346 A CN 109659346A
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/856—Arrangements for extracting light from the devices comprising reflective means
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/86—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K50/865—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. light-blocking layers
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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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/38—Devices specially adapted for multicolour light emission comprising colour filters or colour changing media [CCM]
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Abstract
The application provides a kind of OLED display panel and OLED display, it includes color membrane structure layer, color membrane structure layer includes multiple color blocking units and black array, multiple color blocking units include the first color blocking unit, the second color blocking unit and third color blocking unit, and the color of the first color blocking unit, the second color blocking unit and third color blocking unit is all different；Black matrix" is arranged between color blocking unit；Color blocking unit includes an incidence surface, and incidence surface is used to receive extraneous incident light, and the incidence surface is concave surface.The plane of incidence of color blocking unit is set concave surface by the application, to increase the incidence angle after ambient light penetrates color blocking unit, promoting most of light to enter after anode reflects can more be absorbed by black matrix", and then reduce the reflectivity of color membrane structure layer surface.
Description
Technical field
This application involves a kind of display technology, in particular to a kind of OLED display panel and OLED display.
Background technique
In existing Organic Light Emitting Diode (Organic Light-emitting Diode, OLED) display panel,
Polaroid can be effectively reduced the reflectivity of strong light lower panel, but have lost the light out close to 58%.This shows OLED
For panel, its service life burden is substantially increased；On the other hand, polaroid thickness is larger, material is crisp, is unfavorable for dynamic and bends
The exploitation of product.
Therefore, it is desirable to provide a kind of thickness is thin, goes out light height and the lower OLED display panel of reflectivity, to solve above-mentioned technology
Problem.
Summary of the invention
The embodiment of the present application provides a kind of OLED display panel and OLED display, to solve existing OELD display surface
Polarisation plate thickness is larger in plate and the higher technical problem of reflected light.
The embodiment of the present application provides a kind of OLED display panel, including anode, the organic luminous layer being arranged on anode and
Encapsulating structure layer on the organic luminous layer is set, and the OLED display panel further includes color membrane structure layer, the coloured silk film
Structure sheaf is arranged on the encapsulating structure layer；
The color membrane structure layer includes:
Multiple color blocking units, the multiple color blocking unit include the first color blocking unit, the second color blocking unit and third color blocking
The color of unit, the first color blocking unit, the second color blocking unit and third color blocking unit is all different；And
Black matrix" is arranged between the color blocking unit；
Wherein the color blocking unit includes an incidence surface, and the incidence surface is concave surface, so that extraneous incident light passes through institute
After stating incidence surface, increase the incident angle of incident light.
In the OLED display panel of the application, the incidence surface is concave spherical surface.
In the OLED display panel of the application, the first color blocking unit is red color resistance unit, second color blocking
Unit is green color blocking unit, and the third color blocking unit is blue color blocking unit；
The frontal projected area of the first color blocking unit be greater than the second color blocking unit frontal projected area, described first
The frontal projected area of color blocking unit is less than the frontal projected area of the third color blocking unit.
In the OLED display panel of the application, the first color blocking unit, the second color blocking unit and the third
The height of color blocking unit is equal；
The concave curvature of the first color blocking unit is greater than the concave curvature of the second color blocking unit, first color blocking
The concave curvature of unit is less than the concave surface curved surface of the third color blocking unit.
In the OLED display panel of the application, the encapsulating structure layer includes the first inorganic layer, organic layer and the second nothing
Machine layer, first inorganic layer are arranged on the organic luminous layer, and the organic layer is arranged on first inorganic layer, institute
The second inorganic layer is stated to be arranged on the organic layer；
Wherein, first inorganic layer includes the first inorganic sublayer and the second inorganic sublayer, and the first inorganic sublayer is set
It sets on the organic luminous layer, the second inorganic sublayer is arranged in the described first inorganic sublayer, and described first without loom
The refractive index of layer is higher than the refractive index of the described second inorganic sublayer, so that first inorganic layer forms one for reflecting certain wave
The reflective functional layer of long light.
In the OLED display panel of the application, the material of the first inorganic sublayer and the second inorganic sublayer is
SiOxNy。
In the OLED display panel of the application, the nitrogen content of the first inorganic sublayer is greater than the described second inorganic sublayer
Nitrogen content, the oxygen content of the first inorganic sublayer is less than the oxygen content of the described second inorganic sublayer.
The application further relates to a kind of OLED display, including an OLED display panel, the OLED display panel, including
Anode, the organic luminous layer being arranged on anode and the encapsulating structure layer being arranged on the organic luminous layer, the OLED are aobvious
Show that panel further includes color membrane structure layer, the color membrane structure layer is arranged on the encapsulating structure layer；
The color membrane structure layer includes:
Multiple color blocking units, the multiple color blocking unit include the first color blocking unit, the second color blocking unit and third color blocking
The color of unit, the first color blocking unit, the second color blocking unit and third color blocking unit is all different；And
Black matrix" is arranged between the color blocking unit；
Wherein the color blocking unit includes an incidence surface, and the incidence surface is used to receive extraneous incident light, it is described enter light
Face is concave surface, so that extraneous incident light increases the incident angle of incident light after the incidence surface.
In the OLED display of the application, the incidence surface is concave spherical surface.
In the OLED display of the application, the first color blocking unit is red color resistance unit, second color blocking
Unit is green color blocking unit, and the third color blocking unit is blue color blocking unit；
The frontal projected area of the first color blocking unit be greater than the second color blocking unit frontal projected area, described first
The frontal projected area of color blocking unit is less than the frontal projected area of third color blocking unit.
In the OLED display of the application, the first color blocking unit, the second color blocking unit and third color blocking unit
Height be equal；
The concave curvature of the first color blocking unit is greater than the concave curvature of the second color blocking unit, the first color blocking unit
Concave curvature be less than the third color blocking unit concave surface curved surface.
In the OLED display of the application, the encapsulating structure layer includes the first inorganic layer, organic layer and the second nothing
Machine layer, first inorganic layer are arranged on the organic luminous layer, and the organic layer is arranged on first inorganic layer, institute
The second inorganic layer is stated to be arranged on the organic layer；
Wherein, first inorganic layer includes the first inorganic sublayer and the second inorganic sublayer, the first inorganic sublayer
Refractive index is higher than the refractive index of the described second inorganic sublayer, so that first inorganic layer forms one for reflecting special wavelength light
The material of the reflective functional layer of line, the first inorganic sublayer and the second inorganic sublayer is SiOxNy。
In the OLED display of the application, the nitrogen content of the first inorganic sublayer is greater than the described second inorganic sublayer
Nitrogen content, the oxygen content of the first inorganic sublayer is less than the oxygen content of the described second inorganic sublayer.
OLED display panel and OLED display compared to the prior art, the OLED display panel of the application by
Concave surface is set by the plane of incidence of color blocking unit in color membrane structure layer, to increase the incidence after ambient light penetrates color blocking unit
Angle, promoting most of light to enter after anode reflects can more be absorbed by black matrix", and then reduce color film knot
The reflectivity of structure layer surface improves the contrast of OLED display panel；Solves polarisation plate thickness in existing OELD display panel
Spend the larger and higher technical problem of reflected light.
Detailed description of the invention
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, below to required in embodiment
Attached drawing to be used is briefly described.The accompanying drawings in the following description is only the section Example of the application, general for this field
For logical technical staff, without creative efforts, other attached drawings can also be obtained according to these attached drawings.
Fig. 1 is the structural schematic diagram of the first embodiment of the OLED display panel of the application；
Fig. 2 is the structural schematic diagram of the second embodiment of the OLED display panel of the application.
Specific embodiment
The schema in attached drawing is please referred to, wherein identical component symbol represents identical component.The following description is to be based on
Illustrated by the application specific embodiment, be not construed as limitation the application other specific embodiments not detailed herein.
Fig. 1 is please referred to, Fig. 1 is the structural schematic diagram of the first embodiment of the OLED display panel of the application.Originally first is real
The OLED display panel 100 for applying example includes anode 11, organic luminous layer 12, encapsulating structure layer 13 and color membrane structure layer 14.
Organic luminous layer 12 is arranged on anode 11.Encapsulating structure layer 13 is arranged on organic luminous layer 12.Color membrane structure
Layer 14 is arranged on encapsulating structure layer 13.
Color membrane structure layer 14 includes multiple color blocking units 141 and black matrix" 142.Multiple color blocking units 141 include first
Color blocking unit 14a, the second color blocking unit 14b and third color blocking unit 14c.First color blocking unit 14a, the second color blocking unit 14b
It is all different with the color of third color blocking unit 14c.Black matrix" 142 is arranged between color blocking unit 141.
Color blocking unit 141 includes an incidence surface 143.Incidence surface 143 is concave surface, so that extraneous incident light passes through incidence surface
Afterwards, increase the incident angle of incident light.
The OLED display panel 100 of this first embodiment by color membrane structure layer 14 by the incidence of color blocking unit 141
Face 143 is set as concave surface, to increase the incidence angle after ambient light penetrates color blocking unit, most of light is promoted to enter anode 11
It can more be absorbed by black matrix" 142 after reflecting later, and then reduce the reflectivity on 14 surface of color membrane structure layer,
Improve the contrast of OLED display panel 100.
Wherein, the first inorganic layer 131 in encapsulating structure layer 13, organic layer 132 and the second inorganic layer 132.And it is aobvious and easy
See, light has reflection between multimembrane bed boundary.In general, point that light has reflectivity and penetrate in multiple film layer medium
With problem.For encapsulating structure layer 13, light transmission rate is higher, and the distribution of corresponding reflectivity is with regard to less, and main light is anti-
It penetrates and concentrates on anode 11.Therefore largely from anode 12 in the reflection light that black matrix" 142 absorbs, fraction is come from
In encapsulating structure layer 13.For example most ambient is reflected into black matrix" by anode 11 after penetrating color blocking unit 141
On 142, reach light by the absorbed effect of black matrix" 142.
Since the incidence surface 143 of color blocking unit 141 is concave surface, so that color blocking unit 141 forms plano-concave lens structure.At this
Incidence surface 143 is concave spherical surface in first embodiment.Such setting, so that after extraneous incident light penetrates color blocking unit 141, it is incident
Light equably dissipates around to color blocking unit 141, improves the harmony that black matrix" 142 absorbs.
In the present first embodiment, the first color blocking unit 14a is red color resistance unit.Second color blocking unit 14b is green
Color blocking unit.Third color blocking unit 14c is blue color blocking unit.
The frontal projected area of first color blocking unit 14a is greater than the frontal projected area of the second color blocking unit 14b.First color blocking list
The frontal projected area of first 14a is less than the frontal projected area of third color blocking unit 14c.Such setting, so that the first color blocking unit
The light emission luminance of 14a, the second color blocking unit 14b and third color blocking unit 14c tend to be balanced, improve display effect.
In the present first embodiment, the height of the first color blocking unit 14a, the second color blocking unit 14b and third color blocking unit 14c
Degree is equal.
It is readily apparent that, with the increase of concave curvature, the deflection angle of light is bigger in plano-concave lens, make
The dissipating effect for obtaining light is better.Therefore it is being greater than the second color blocking unit 14b just in the frontal projected area of the first color blocking unit 14a
Projected area, under the premise of the frontal projected area of the first color blocking unit 14a is less than the frontal projected area of third color blocking unit 14c.
In order to enable light is through after each color blocking unit 141, reflection light as much as possible can be absorbed by black matrix" 142.
Therefore in the first embodiment, concave surface of the concave curvature of the first color blocking unit 14a greater than the second color blocking unit 14b is bent
Rate.The concave curvature of first color blocking unit 14a is less than the concave surface curved surface of third color blocking unit 14c.Such setting improves black
The quantity of the absorption reflection light of colour moment battle array 142.
In the present first embodiment, encapsulating structure layer 13 includes the first inorganic layer 131, organic layer 132 and the second inorganic layer
133.First inorganic layer 131 is arranged on organic luminous layer 12.Organic layer 132 is arranged 131 on the first inorganic layer.Second is inorganic
Layer 133 is arranged on organic layer 132.
14 preparation process of color membrane structure layer of this first embodiment is:
Firstly, forming black matrix" 142 on encapsulating structure layer 13.
Then, the first color blocking coating, exposure, development, coining transfer producing process and baking are successively carried out on encapsulating structure layer 13
Roasting sizing processing procedure, coining transfer producing process is the surface that designed pattern template is transferred to the first color blocking unit 14a, to make
First color blocking unit 14a of standby concave lens shape.
Finally, the step of forming the first color blocking unit 14a is repeated in, to form the second color blocking unit 14b and third color
Hinder unit 14c.
The preparation process of the color membrane structure layer 14 of this first embodiment is just completed in this way.
Referring to figure 2., Fig. 2 is the structural schematic diagram of the second embodiment of the OLED display panel of the application.Originally second
In embodiment, the OLED display panel 200 of second embodiment includes anode 21, organic luminous layer 22, encapsulating structure layer 23 and coloured silk
Membrane structure layer 24.Color membrane structure layer 24 includes multiple color blocking units 241 and black matrix" 242.Multiple color blocking units 241 include the
One color blocking unit 24a, the second color blocking unit 24b and third color blocking unit 24c.Encapsulating structure layer 23 include the first inorganic layer 231,
Organic layer 232 and the second inorganic layer 233.
In second embodiment and first embodiment the difference is that: the first inorganic layer 231 include the first inorganic sublayer
2311 and the second inorganic sublayer 2312.First inorganic sublayer 2311 is arranged on organic luminous layer 22.Second inorganic sublayer 2312
It is arranged in the first inorganic sublayer 2311.The refractive index of first inorganic sublayer 2311 is higher than the refraction of the second inorganic sublayer 2312
Rate, so that the first inorganic layer 231 forms one for reflecting the reflective functional layer of specific wavelength light.
Optionally, since the area of the second color blocking unit 24b is minimum, cause the amount of green light color blocking unit 241 most,
Therefore be set as the first inorganic layer 231 to reflect the functional layer of green light, so that black matrix" 242 absorbs more green lights.Certainly exist
In the application, with no restrictions to the wavelength of the first inorganic layer 231 reflection, can according to the actual situation depending on, such as reflection red light,
Blue light or ultraviolet light etc..
In this second embodiment, the material of the first inorganic sublayer 2311 and the second inorganic sublayer 2312 is SiOxNy.The
One inorganic sublayer 2311 and the second inorganic sublayer 2312 use identical material, for the preparation of the first inorganic layer 231, improve effect
Rate.
In addition, the nitrogen content of the first inorganic sublayer 2311 is greater than the nitrogen content of the second inorganic sublayer 2312.First without loom
Oxygen content of the oxygen content of layer 2311 less than the second inorganic sublayer 2312.It is SiO in materialxNyThe first inorganic 2311 He of sublayer
In second inorganic sublayer 2312, when N (nitrogen) content is high, SiOxNyWater and oxygen barrier property is good, therefore the first inorganic sublayer 2311 is tight
By organic luminous layer 22；When O (oxygen) content is high, SiOxNyOrganic/inorganic adhesiveness it is good, be easy to organic layer 232 bond, because
This second inorganic sublayer 2312 is placed against 232 side of organic layer.
The preparation of the color membrane structure layer of the preparation process and first embodiment of the color membrane structure layer 24 of this second embodiment
Journey is consistent, specifically please refers to the content of first embodiment.
The application further relates to a kind of OLED display, including an OLED display panel, the OLED display panel, including
Anode, the organic luminous layer being arranged on anode and the encapsulating structure layer being arranged on the organic luminous layer, the OLED are aobvious
Show that panel further includes color membrane structure layer, the color membrane structure layer is arranged on the encapsulating structure layer；
The color membrane structure layer includes:
Multiple color blocking units, the multiple color blocking unit include the first color blocking unit, the second color blocking unit and third color blocking
The color of unit, the first color blocking unit, the second color blocking unit and third color blocking unit is all different；And
Black matrix" is arranged between the color blocking unit；
Wherein the color blocking unit includes an incidence surface, and the incidence surface is used to receive extraneous incident light, it is described enter light
Face is concave surface, so that extraneous incident light increases the incident angle of incident light after the incidence surface.
In the OLED display of the application, the incidence surface is concave spherical surface.
In the OLED display of the application, the first color blocking unit is red color resistance unit, second color blocking
Unit is green color blocking unit, and the third color blocking unit is blue color blocking unit；
The frontal projected area of the first color blocking unit be greater than the second color blocking unit frontal projected area, described first
The frontal projected area of color blocking unit is less than the frontal projected area of third color blocking unit.
In the OLED display of the application, the first color blocking unit, the second color blocking unit and third color blocking unit
Height be equal；
The concave curvature of the first color blocking unit is greater than the concave curvature of the second color blocking unit, the first color blocking unit
Concave curvature be less than the third color blocking unit concave surface curved surface.
In the OLED display of the application, the encapsulating structure layer includes the first inorganic layer, organic layer and the second nothing
Machine layer, first inorganic layer are arranged on the organic luminous layer, and the organic layer is arranged on first inorganic layer, institute
The second inorganic layer is stated to be arranged on the organic layer；
Wherein, first inorganic layer includes the first inorganic sublayer and the second inorganic sublayer, the first inorganic sublayer
Refractive index is higher than the refractive index of the described second inorganic sublayer, so that first inorganic layer forms one for reflecting special wavelength light
The material of the reflective functional layer of line, the first inorganic sublayer and the second inorganic sublayer is SiOxNy。
In the OLED display of the application, the nitrogen content of the first inorganic sublayer is greater than the described second inorganic sublayer
Nitrogen content, the oxygen content of the first inorganic sublayer is less than the oxygen content of the described second inorganic sublayer.
OLED display panel and OLED display compared to the prior art, the OLED display panel of the application by
Concave surface is set by the plane of incidence of color blocking unit in color membrane structure layer, to increase the incidence after ambient light penetrates color blocking unit
Angle, promoting most of light to enter after anode reflects can more be absorbed by black matrix", and then reduce color film knot
The reflectivity of structure layer surface improves the contrast of OLED display panel；Solves polarisation plate thickness in existing OELD display panel
Spend the larger and higher technical problem of reflected light.
The above for those of ordinary skill in the art can according to the technique and scheme of the present invention and technology
Other various corresponding changes and modifications are made in design, and all these change and modification all should belong to the appended right of the present invention
It is required that protection scope.
Claims (10)
1. a kind of OLED display panel including anode, the organic luminous layer being arranged on anode and is arranged in the organic light emission
Encapsulating structure layer on layer, which is characterized in that the OLED display panel further includes color membrane structure layer, and the color membrane structure layer is set
It sets on the encapsulating structure layer；
The color membrane structure layer includes:
Multiple color blocking units, the multiple color blocking unit include the first color blocking unit, the second color blocking unit and third color blocking unit,
The color of the first color blocking unit, the second color blocking unit and third color blocking unit is all different；And
Black matrix" is arranged between the color blocking unit；
Wherein the color blocking unit includes an incidence surface, and the incidence surface is concave surface so that extraneous incident light penetrate it is described enter
After smooth surface, increase the incident angle of incident light.
2. OLED display panel according to claim 1, which is characterized in that the incidence surface is concave spherical surface.
3. OLED display panel according to claim 1, which is characterized in that the first color blocking unit is red color resistance list
Member, the second color blocking unit are green color blocking unit, and the third color blocking unit is blue color blocking unit；
The frontal projected area of the first color blocking unit is greater than the frontal projected area of the second color blocking unit, first color blocking
The frontal projected area of unit is less than the frontal projected area of the third color blocking unit.
4. OLED display panel according to claim 3, which is characterized in that the concave curvature of the first color blocking unit is big
It is less than the third color blocking unit in the concave curvature of the concave curvature of the second color blocking unit, the first color blocking unit
Concave surface curved surface.
5. OLED display panel according to claim 1, which is characterized in that the encapsulating structure layer includes first inorganic
Layer, organic layer and the second inorganic layer, first inorganic layer are arranged on the organic luminous layer, and the organic layer is arranged in institute
It states on the first inorganic layer, second inorganic layer is arranged on the organic layer；
Wherein, first inorganic layer includes the first inorganic sublayer and the second inorganic sublayer, and the first inorganic sublayer setting exists
On the organic luminous layer, the second inorganic sublayer is arranged in the described first inorganic sublayer, the first inorganic sublayer
Refractive index is higher than the refractive index of the described second inorganic sublayer, so that first inorganic layer forms one for reflecting special wavelength light
The reflective functional layer of line.
6. OLED display panel according to claim 5, which is characterized in that the first inorganic sublayer and second nothing
The material of loom layer is SiOxNy。
7. OLED display panel according to claim 6, which is characterized in that the nitrogen content of the first inorganic sublayer is greater than
The nitrogen content of the second inorganic sublayer, the oxygen that the oxygen content of the first inorganic sublayer is less than the described second inorganic sublayer contain
Amount.
8. a kind of OLED display, including an OLED display panel, the OLED display panel, including anode, setting are in sun
Organic luminous layer on extremely and the encapsulating structure layer being arranged on the organic luminous layer, which is characterized in that the OLED is shown
Panel further includes color membrane structure layer, and the color membrane structure layer is arranged on the encapsulating structure layer；
The color membrane structure layer includes:
Multiple color blocking units, the multiple color blocking unit include the first color blocking unit, the second color blocking unit and third color blocking unit,
The color of the first color blocking unit, the second color blocking unit and third color blocking unit is all different；And
Black matrix" is arranged between the color blocking unit；
Wherein the color blocking unit includes an incidence surface, and the incidence surface is used to receive extraneous incident light, and the incidence surface is
Concave surface, so that extraneous incident light increases the incident angle of incident light after the incidence surface.
9. OLED display according to claim 8, which is characterized in that the encapsulating structure layer includes first inorganic
Layer, organic layer and the second inorganic layer, first inorganic layer are arranged on the organic luminous layer, and the organic layer is arranged in institute
It states on the first inorganic layer, second inorganic layer is arranged on the organic layer；
Wherein, first inorganic layer includes the first inorganic sublayer and the second inorganic sublayer, the refraction of the first inorganic sublayer
Rate is higher than the refractive index of the described second inorganic sublayer, so that first inorganic layer forms one for reflecting specific wavelength light
The material of reflective functional layer, the first inorganic sublayer and the second inorganic sublayer is SiOxNy。
10. OLED display according to claim 9, which is characterized in that the nitrogen content of the first inorganic sublayer is big
In the nitrogen content of the described second inorganic sublayer, the oxygen that the oxygen content of the first inorganic sublayer is less than the described second inorganic sublayer contains
Amount.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110310974A (en) * | 2019-04-26 | 2019-10-08 | 昆山工研院新型平板显示技术中心有限公司 | Display panel and preparation method thereof, display device |
| CN110350015A (en) * | 2019-07-22 | 2019-10-18 | 京东方科技集团股份有限公司 | A kind of display panel and preparation method thereof, display device |
| CN110610956A (en) * | 2019-08-26 | 2019-12-24 | 深圳市华星光电半导体显示技术有限公司 | Color film and preparation method thereof |
| CN110764169A (en) * | 2019-11-06 | 2020-02-07 | 京东方科技集团股份有限公司 | Lens structure, preparation method and display device |
| CN110993824A (en) * | 2019-12-19 | 2020-04-10 | 京东方科技集团股份有限公司 | OLED display screen, preparation method thereof and display device |
| CN111554731A (en) * | 2020-06-15 | 2020-08-18 | 京东方科技集团股份有限公司 | OLED display panel preparation method, display panel and display device |
| CN111969024A (en) * | 2020-08-28 | 2020-11-20 | 京东方科技集团股份有限公司 | OLED display panel, display device and display panel preparation method |
| WO2021189475A1 (en) * | 2020-03-27 | 2021-09-30 | 京东方科技集团股份有限公司 | Display substrate and manufacturing method therefor, and display apparatus |
| CN114078944A (en) * | 2021-11-15 | 2022-02-22 | 合肥维信诺科技有限公司 | Display panel, preparation method thereof and display device |
| CN114156323A (en) * | 2021-11-30 | 2022-03-08 | 武汉华星光电半导体显示技术有限公司 | Display panel and display device |
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