CN108346680B - Display panel, display device and preparation method thereof - Google Patents
Display panel, display device and preparation method thereof Download PDFInfo
- Publication number
- CN108346680B CN108346680B CN201710800481.8A CN201710800481A CN108346680B CN 108346680 B CN108346680 B CN 108346680B CN 201710800481 A CN201710800481 A CN 201710800481A CN 108346680 B CN108346680 B CN 108346680B
- Authority
- CN
- China
- Prior art keywords
- layer
- pixel defining
- display panel
- defining layer
- pixel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K71/00—Manufacture or treatment specially adapted for the organic devices covered by this subclass
- H10K71/10—Deposition of organic active material
- H10K71/12—Deposition of organic active material using liquid deposition, e.g. spin coating
- H10K71/13—Deposition of organic active material using liquid deposition, e.g. spin coating using printing techniques, e.g. ink-jet printing or screen printing
-
- 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
- H10K59/1201—Manufacture or treatment
-
- 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
- H10K59/122—Pixel-defining structures or layers, e.g. banks
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
The present invention relates to a kind of display panels, display device and preparation method thereof.The display panel includes the first pixel defining layer of substrate, the sub-pixel unit being arranged on substrate and the sub-pixel unit for limiting adjacent same color, wherein the first pixel, which defines, sets filling slot, and lyophobic layers is filled in filling slot.The display panel is made the thickness for the light emitting functional layer for corresponding to the lyophobic layers overlying regions region substantially reduce or be separated, to effectively reduce the generation of lateral leakage current, can be improved the display effect and resolution ratio of display panel due to lyophobic layers setting in filling slot.
Description
Technical field
The present invention relates to field of display technology, more particularly to a kind of display panel, display device and preparation method thereof.
Background technique
Organic electroluminescent LED (OLED) has many advantages, such as that self-luminous, reaction is fast, visual angle is wide, brightness is high, frivolous, amount
Sub- point luminescent diode (QLED) has that photochromic purity is high, luminous quantum efficiency are high, luminescent color is easily adjusted, long service life etc. is excellent
Point is two Main ways of current display device research.Using solution processing and fabricating OLED display and QLED display
Technique has many advantages, such as that at low cost, production capacity is high, is easily achieved large scale, is the important directions of the following display technology development.Meanwhile
Printing technology is considered as realizing the most effective approach of OLED and QLED low cost and the full-color display of large area.
Currently, by concentrating in together adjacent pixel same color sub-pixel, then passing through pixel in printing technology
The optimization of structure is defined, the deposition region of ink can be expanded, to realize the preparation of high resolution display.It will but use
When the dot structure that same color sub-pixel concentrates in together, each functional layer of the sub-pixel in same ink deposition region is
One entirety easily causes lateral leakage current, and then influences entire display panel contrast and display effect.
Summary of the invention
Based on this, it is necessary to provide a kind of display panel, display device and its production side that can reduce lateral leakage current
Method.
A kind of display panel, including substrate；
Sub-pixel unit on the substrate is set；
The first pixel defining layer on the substrate is set, and first pixel defining layer is used to limit adjacent identical
The light emitting region of color sub-pixels unit, first pixel defining layer are equipped with filling slot, are filled with and dredge in the filling slot
Liquid layer.
The described first middle part for defining layer that the filling slot opens up in one of the embodiments,.
The thickness of the lyophobic layers is not less than the thickness of first pixel defining layer in one of the embodiments,.
The display panel further includes the second pixel defining layer and third pixel defining layer in one of the embodiments,
Second pixel defining layer is used to limit the light emitting region of adjacent different colours sub-pixel unit, and the third pixel defines
Layer is arranged in second pixel defining layer, and the third pixel defining layer is used to limit the ink of same color sub-pixel unit
Crystallizing field.Same color sub-pixel is arranged in same ink crystallizing field using third pixel defining layer, each sub- picture can be reduced
The area of plain unit, and then improve the resolution ratio of display panel and display device.
The bottom width of the third pixel defining layer is less than second pixel defining layer in one of the embodiments,
Width；And/or the third pixel defining layer is gradually received from the bottom being in contact with second pixel defining layer to top
It is narrow.
The sub-pixel unit includes light emitting functional layer in one of the embodiments, and the light emitting functional layer is organic
Electroluminescent functional layer, quantum dot light emitting functional layer or the organic electroluminescent functional layer and the quantum dot light emitting function
Layer combines and is formed by mixed luminescence functional layer.
The display panel further includes first electrode layer and the second electrode lay in one of the embodiments, and described first
Electrode layer is set on the substrate, the second electrode lay be covered on the light emitting functional layer and the third pixel defining layer it
On.
The display panel is top emitting display panel in one of the embodiments, and the first electrode layer is metal
Conductive film layer, the second electrode lay are transparent organic conductive film layer；Or
The display panel is bottom emitting display panel, and the first electrode layer is metal conductive oxide film layer or organic
Conductive film layer, the second electrode lay are metallic conduction film layer.
A kind of display device includes display panel described above.
A kind of production method of display panel described above, includes the following steps:
Substrate is provided, makes the first pixel defining layer and the second pixel defining layer on the substrate；
Filling slot is made in first pixel defining layer；
Lyophobicity material is added in the filling slot, lyophobic layers are formed；
Third pixel defining layer is made in second pixel defining layer；
The ink deposition region that the third pixel defining layer defines is added in light-emitting function material ink, forms the function that shines
Ergosphere.
Above-mentioned display panel includes substrate, the sub-pixel unit being arranged on substrate and for limiting adjacent same color
First pixel defining layer of sub-pixel unit wherein the first pixel, which defines, sets filling slot, and is filled with lyophoby in filling slot
Layer.Compared with the display panel of the dot structure containing optimization routine, due to the setting of lyophobic layers in filling slot, in production display surface
When plate the thickness for corresponding to the light emitting functional layer of the lyophobic layers upper area can significantly reduce, even if being located at lyophobic layers upper area
The thickness of light emitting functional layer be less than it in the thickness in other regions, or even the light emitting functional layer of the corresponding lyophobic layers upper area
Separated, to effectively reduce the generation of lateral leakage current, improves the resolution ratio and display effect of display panel.
In the production method of above-mentioned display panel, in the first pixel defining layer between Yu Xianglin same color sub-pixel unit
Filling slot is made, and filling forms lyophobic layers in filling slot, thus the drying process after the ink of printing light emitting functional layer
In, since the ink adhesion strength in lyophobic layers is poor, ink will do it retraction, lead to the film thickness of this lyophobic layers upper area
It is smaller or even formed without film, to separate or reduce different sons for the light emitting functional layer in each sub-pixel in ink crystallizing field
The thickness of the light emitting functional layer of pixel join domain improves the aobvious of display panel to effectively reduce the generation of lateral leakage current
Show effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the display panel of an embodiment；
Fig. 2 is the dot structure schematic diagram of the display panel of Fig. 1；
Fig. 3 is the dot structure schematic diagram of another embodiment；
Fig. 4 is the production structure chart of the first pixel electrode in the manufacturing process of the display panel in Fig. 1；
Fig. 5 is the system of the first pixel defining layer and the second pixel defining layer in the manufacturing process of the display panel in Fig. 1
Make structural schematic diagram；
Fig. 6 is that the production structure of the lyophobic layers and third pixel defining layer in the manufacturing process of the display panel in Fig. 1 is shown
It is intended to；
Fig. 7 is the manufacturing process schematic diagram of the light emitting functional layer in the manufacturing process of the display panel in Fig. 1.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give presently preferred embodiments of the present invention.But the invention can be realized in many different forms, however it is not limited to this paper institute
The embodiment of description.On the contrary, purpose of providing these embodiments is keeps the understanding to the disclosure more thorough
Comprehensively.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
Incorporated by reference to Fig. 1, the display panel 20 of an embodiment, including substrate 200, first electrode layer 210, the first pixel circle
Given layer 221, the second pixel defining layer 222, third pixel defining layer 223, light emitting functional layer 230 and the second electrode lay 240.
In the present embodiment, there is driving tft array on substrate 200, for driving light emitting component, realize that image is aobvious
Show.Wherein, substrate 200 can be glass substrate or flexible base board, and tft array may include non-crystalline silicon tft array, polycrystalline TFT
Array and metal oxide tft array etc..
Wherein, first electrode layer 210 is properly termed as hearth electrode or pixel electrode, and first electrode layer 210 is in patterning setting
It is connect on substrate 200, and through connecting hole with driving tft array.
Substrate 200 is equipped with multiple pixel units.Please further combined with Fig. 2, pixel unit includes red light-emitting area
231, green light-emitting area 232 and blue light-emitting area 233.In the present embodiment, two concentrations of red light-emitting area 231 are set
It sets, two 232 concentrated settings of green light-emitting area, two blue light-emitting areas 233 concentrate color setting.In other embodiments
In, such as the dot structure in Fig. 3, four red light-emitting areas 231 including concentrated setting respectively, four green light-emitting areas
232 and four blue light-emitting areas 233.It is appreciated that in other embodiments, it is only necessary to by shining for multiple same colors
Region concentrated setting can effectively reduce the area of each sub-pixel unit, and then improve the resolution ratio of display panel and display device.
In the present embodiment, the first pixel defining layer 221 is used to limit the hair of adjacent same color sub-pixel unit
Light region.The light emitting region of two same color sub-pixel units is trapped among together.Second pixel defining layer 222 is adjacent for limiting
Different colours sub-pixel unit light emitting region, third pixel defining layer 223 be arranged the second pixel defining layer 222 on, third
Pixel defining layer 223 is used to limit the ink crystallizing field of same color sub-pixel unit.Using third pixel defining layer 223 by phase
Adjacent same color sub-pixel setting can reduce the area of each sub-pixel unit in same ink crystallizing field, and then improve display
The resolution ratio of panel and display device.
Preferably, the first pixel defining layer 221 defines the light emitting region of the sub-pixel unit of two neighboring same color,
It is made of lyophily material, and thickness can be 100-300 μm, and it is good to guarantee that printing technology ink deposition has behind this region
Good spreadability, to form uniform liquid film.Wherein, lyophily refers mainly to liquid and is easy to the solid table made of lyophily material
The performance that face is sprawled.If liquid is water, what lyophily referred to is exactly hydrophily.
In the present embodiment, the first pixel defines 221 and is equipped with filling slot, is filled with lyophobic layers 2210 in filling slot,
When making light emitting functional layer 230, make the region for being located at 2210 top of lyophobic layers of light emitting functional layer 230 towards lyophobic layers 2210
Recess.Wherein, lyophobicity refers mainly to liquid and is not easy the performance that the surface of solids made of lyophobicity material is sprawled.If liquid is
Water, what lyophobicity referred to is exactly hydrophobicity.Lyophobicity material can be silica, lyophobicity photoresist or polytetrafluoroethylene (PTFE) etc..With
The display panel of dot structure containing optimization routine is compared, and since the lyophobic layers 2210 in filling slot are arranged, makes corresponding lyophobic layers
The thickness of the light emitting functional layer 230 of 2210 upper areas substantially reduces, or even the luminous function of corresponding 2210 upper area of lyophobic layers
Ergosphere 230 is separated, to effectively reduce the generation of lateral leakage current, improves the display effect of display panel.
Preferably, lyophobic layers 2210 are whole fills up filling slot.Further, filling slot is set to the first pixel defining layer 221
Middle part, and the thickness of lyophobic layers 2210 is not less than thickness with the first pixel defining layer 221.
Preferably, the bottom width of third pixel defining layer 223 forms 0-5 less than the width of the second pixel defining layer 222
μm step.Third pixel defining layer 223 is made of lyophobicity material, and thickness can be 800-1200nm, and third pixel defines
Layer 223 is gradually narrowed from the bottom being in contact with the second pixel defining layer 222 to top, can expand the deposition region of ink, is prevented
Only there is the case where ink spilling causes different colours sub-pixel colour mixture, improve the product yield of printing technology preparation, improves aobvious
The display effect of showing device.
Light emitting functional layer 230 is covered in first electrode layer 210.In the present embodiment, light emitting functional layer 230 can be
Organic electroluminescent functional layer includes at least luminescent layer.Luminescent layer can be one or more layers function film layer.It is preferred that
Ground, light emitting functional layer 230 include the hole injection layer being cascading, hole transmission layer, electronic barrier layer, luminescent layer, swash
Sub- confining layers, hole blocking layer and electron injecting layer.In other embodiments, light emitting functional layer 230 can also be quantum dot
Light emitting functional layer or organic electroluminescent functional layer and quantum dot light emitting functional layer combine the mixed luminescence functional layer to be formed.
The second electrode lay 240 is alternatively referred to as top electrode, is integrally covered on light emitting functional layer 230 and third pixel defining layer
On 223.
In the present embodiment, display panel 20 is top emitting display panel, and first electrode layer 210 is aluminium, silver, the conjunction of magnesium silver
The materials such as gold and aluminium silver alloy make the metallic conduction film layer to be formed；The second electrode lay can be the materials systems such as ITO, IZO, AZO
Make the metal conductive oxide film layer that is formed, transparent state, or the materials such as graphene, conducting polymer, which make, to be formed
Organic conductive film layer.
In other embodiments, display panel 20 can also be bottom emitting display panel, and first electrode layer 210 can be
The materials such as ITO, IZO, AZO make the metal conductive oxide film layer to be formed, or the materials such as graphene, conducting polymer
Make the organic conductive film layer formed；The second electrode lay 240 can be the production of the materials such as aluminium, silver, magnesium silver alloy and aluminium silver alloy
The metallic conduction film layer of formation.
The production method of the display panel 20 of present embodiment, includes the following steps:
Please further combined with Fig. 4 and Fig. 5, the substrate 200 with driving TFT circuit is provided, makes first on substrate 200
Electrode layer 210, the first pixel defining layer 221 and the second pixel defining layer made on substrate 200 of lyophily material
222, and filling slot is made in the first pixel defining layer 221.
Please further combined with Fig. 6, lyophobicity material is added in filling slot and forms lyophobic layers 2210, and in the second pixel circle
Third pixel defining layer 223 is made in given layer 222.
Please further combined with Fig. 7 and Fig. 1, light-emitting function material ink is added in the region between third pixel defining layer 223
Water, removes solvent, and drying and forming-film forms light emitting functional layer 230.Wherein, 230 court of light emitting functional layer above lyophobic layers 2210
It is recessed to lyophobic layers 2210, and then the area thickness for the light emitting functional layer 230 for being located at 2210 top of lyophobic layers is made to be less than it at it
The thickness in his region, or separate the light emitting functional layer 230 for being located at 2210 top of lyophobic layers.
In light emitting functional layer 230 and third pixel defining layer 223 formed the second electrode lay 240, encapsulation to get.
In the production method of the display panel 20 of present embodiment, pass through first between adjacent identical sub-pixel unit
Filling slot is made in pixel defining layer 221, and fills lyophobicity material in filling slot and forms lyophobic layers 2210, thus printing
In drying process after the ink of light emitting functional layer 230, since the ink adhesion strength in lyophobic layers 2210 is poor, ink be will do it
Retraction, to keep the film thickness of this overlying regions smaller or even be formed without film, and then by each sub-pixel in ink crystallizing field
The thickness of the light emitting functional layer 230 of different subpixel join domain is separated or reduced to interior light emitting functional layer 230, to have
Effect reduces the generation of lateral leakage current, can be improved the display effect and resolution ratio of display panel.
A kind of display device, including above-mentioned display panel 20.
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.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of display panel, which is characterized in that including substrate；
Sub-pixel unit on the substrate is set；
The first pixel defining layer on the substrate is set, and first pixel defining layer is for limiting adjacent same color
The light emitting region of sub-pixel unit, first pixel defining layer are equipped with filling slot, are filled with lyophobic layers in the filling slot,
The lyophobic layers integrally fill up the filling slot.
2. display panel according to claim 1, which is characterized in that the filling slot is provided with first pixel and defines
The middle part of layer.
3. display panel according to claim 2, which is characterized in that the thickness of the lyophobic layers is not less than first picture
Element defines the thickness of layer.
4. display panel according to any one of claims 1 to 3, which is characterized in that further include the second pixel defining layer and
Third pixel defining layer, second pixel defining layer are used to limit the light emitting region of adjacent different colours sub-pixel unit,
The third pixel defining layer is arranged in second pixel defining layer, and the third pixel defining layer is for limiting same color
The ink crystallizing field of sub-pixel unit.
5. display panel according to claim 4, which is characterized in that the bottom width of the third pixel defining layer is less than
The width of second pixel defining layer；And/or the third pixel defining layer is in contact from second pixel defining layer
Bottom to top gradually narrow.
6. display panel according to claim 4, which is characterized in that the sub-pixel unit includes light emitting functional layer, institute
State light emitting functional layer be organic electroluminescent functional layer, quantum dot light emitting functional layer or the organic electroluminescent functional layer and
The quantum dot light emitting functional layer combines and is formed by mixed luminescence functional layer.
7. display panel according to claim 6, which is characterized in that further include first electrode layer and the second electrode lay, institute
First electrode layer is stated on the substrate, the second electrode lay is covered on the light emitting functional layer and third pixel circle
On given layer.
8. display panel according to claim 7, which is characterized in that the display panel is top emitting display panel, institute
Stating first electrode layer is metallic conduction film layer, and the second electrode lay is transparent organic conductive film layer；Or
The display panel is bottom emitting display panel, and the first electrode layer is metal conductive oxide film layer or organic conductive
Film layer, the second electrode lay are metallic conduction film layer.
9. a kind of display device, which is characterized in that including display panel described in any item of the claim 1 to 8.
10. a kind of production method of the described in any item display panels of claim 6 to 8, which is characterized in that including walking as follows
It is rapid:
Substrate is provided, makes the first pixel defining layer and the second pixel defining layer on the substrate；
Filling slot is made in first pixel defining layer；
Lyophobicity material is added in the filling slot, lyophobic layers are formed, the lyophobic layers integrally fill up the filling slot；
Third pixel defining layer is made in second pixel defining layer；
The ink crystallizing field that the third pixel defining layer defines is added in light-emitting function material ink, forms light emitting functional layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800481.8A CN108346680B (en) | 2017-09-07 | 2017-09-07 | Display panel, display device and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710800481.8A CN108346680B (en) | 2017-09-07 | 2017-09-07 | Display panel, display device and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108346680A CN108346680A (en) | 2018-07-31 |
| CN108346680B true CN108346680B (en) | 2019-06-11 |
Family
ID=62963261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710800481.8A Active CN108346680B (en) | 2017-09-07 | 2017-09-07 | Display panel, display device and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108346680B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102531406B1 (en) * | 2018-10-02 | 2023-05-15 | 삼성디스플레이 주식회사 | Display device |
| CN109698221B (en) * | 2018-12-25 | 2021-04-30 | 武汉天马微电子有限公司 | Organic light-emitting display panel and device |
| CN109920827A (en) * | 2019-03-15 | 2019-06-21 | 合肥鑫晟光电科技有限公司 | Array substrate and preparation method thereof, display panel, display device and control method |
| CN110112203B (en) | 2019-05-30 | 2021-04-16 | 京东方科技集团股份有限公司 | Display back plate, preparation method thereof and display device |
| CN110649078B (en) * | 2019-09-30 | 2022-01-11 | 京东方科技集团股份有限公司 | Substrate for display and display device |
| CN110854174B (en) * | 2019-11-26 | 2022-05-13 | 京东方科技集团股份有限公司 | Display back plate, preparation method thereof and display device |
| CN111524947B (en) * | 2020-04-28 | 2023-02-03 | 深圳市华星光电半导体显示技术有限公司 | Display panel and preparation method thereof |
| CN112201675B (en) * | 2020-09-15 | 2022-09-27 | 云谷（固安）科技有限公司 | Display substrate and preparation method thereof |
| CN112186016B (en) * | 2020-09-29 | 2022-07-12 | 京东方科技集团股份有限公司 | Display panel, preparation method thereof and display device |
| WO2022246694A1 (en) * | 2021-05-26 | 2022-12-01 | 京东方科技集团股份有限公司 | Display substrate, preparation method, and display device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167430A (en) * | 2014-08-08 | 2014-11-26 | 京东方科技集团股份有限公司 | Organic electroluminescent display (OLED), manufacturing method thereof and display device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9614191B2 (en) * | 2013-01-17 | 2017-04-04 | Kateeva, Inc. | High resolution organic light-emitting diode devices, displays, and related methods |
| CN103413819B (en) * | 2013-07-22 | 2016-08-31 | 京东方科技集团股份有限公司 | A kind of organic electroluminescence display panel, pixel define layer and preparation method thereof |
| KR20150019392A (en) * | 2013-08-13 | 2015-02-25 | 삼성디스플레이 주식회사 | Organic light emitting display apparatus and method for manufacturing the same |
| JP6658043B2 (en) * | 2016-02-09 | 2020-03-04 | 株式会社デンソー | Organic EL display device and manufacturing method thereof |
| CN106816557A (en) * | 2017-03-02 | 2017-06-09 | 广州新视界光电科技有限公司 | A kind of display base plate, the preparation method of display base plate and display panel |
| CN106920828B (en) * | 2017-03-29 | 2019-11-05 | 京东方科技集团股份有限公司 | A kind of organic electroluminescent display panel and preparation method |
-
2017
- 2017-09-07 CN CN201710800481.8A patent/CN108346680B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104167430A (en) * | 2014-08-08 | 2014-11-26 | 京东方科技集团股份有限公司 | Organic electroluminescent display (OLED), manufacturing method thereof and display device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108346680A (en) | 2018-07-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108346680B (en) | Display panel, display device and preparation method thereof | |
| US10541277B2 (en) | Organic light emitting display device | |
| US6853411B2 (en) | Light-producing high aperture ratio display having aligned tiles | |
| CN107275361A (en) | Organic light-emitting display device | |
| US10529957B2 (en) | Organic light emitting diode display and manufacturing method thereof | |
| US11404485B2 (en) | Array substrate, method of fabricating array substrate, and display panel | |
| US20130207085A1 (en) | Organic light emitting diode display and method for manufacturing the same | |
| CN105185815A (en) | OLED display device and electronic device | |
| CN207134357U (en) | Display panel and display device | |
| CN109148527A (en) | A kind of display panel and display device | |
| CN207651489U (en) | Display panel and display device | |
| CN108878493B (en) | Display panel and display device | |
| CN108075048A (en) | Oled panel and preparation method thereof, display device | |
| CN108565350B (en) | OLED device and its manufacturing method and display panel | |
| CN107331690A (en) | Organic electroluminescent display substrate and organic electroluminescence display device and method of manufacturing same | |
| WO2014183398A1 (en) | Display panel and manufacturing method therefor, and display device | |
| CN100401524C (en) | Twin-slab organic electroluminescence display device and its manufacturing method | |
| CN208570612U (en) | Dot structure and transparence display device | |
| CN108987431B (en) | Pixel structure and manufacturing method thereof | |
| US20080258608A1 (en) | Organic electro-luminescent display and method for forming the same | |
| US10566398B2 (en) | Organic light emitting diode (OLED) display panel having protrusions on substrate with plurality of planarization layers and method for manufacturing same | |
| WO2019001362A1 (en) | Display substrate and manufacturing method thereof, display panel and display device | |
| US8963145B2 (en) | OLED touch display panel structure | |
| CN108206243A (en) | Electroluminescent device and the el display device including the electroluminescent device | |
| CN110112173A (en) | Dot structure and preparation method thereof, display device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |