WO2020238410A1 - 像素界定层和制作方法、显示面板和制作方法、显示装置 - Google Patents
像素界定层和制作方法、显示面板和制作方法、显示装置 Download PDFInfo
- Publication number
- WO2020238410A1 WO2020238410A1 PCT/CN2020/083125 CN2020083125W WO2020238410A1 WO 2020238410 A1 WO2020238410 A1 WO 2020238410A1 CN 2020083125 W CN2020083125 W CN 2020083125W WO 2020238410 A1 WO2020238410 A1 WO 2020238410A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- pixel defining
- defining layer
- layer
- substrate
- mask
- Prior art date
Links
Images
Classifications
-
- 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
-
- 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
Definitions
- the embodiments of the present disclosure relate to a pixel defining layer and manufacturing method, display panel and manufacturing method, and display device.
- OLED Organic Light-Emitting Diode
- the thin film deposition methods of organic material films of organic electroluminescent devices mainly include vacuum evaporation and solution process: 1. Vacuum evaporation is suitable for small organic molecules, and its film formation is good, the technology is relatively mature, but the equipment investment is large. , Material utilization rate is low, and large-size products have low mask alignment accuracy; Second, the solution process, including spin coating, inkjet printing, nozzle coating, etc., is suitable for polymer materials and soluble small molecules, and its characteristic equipment cost is low. It has outstanding advantages in large-scale and large-scale production.
- a first aspect of the embodiments of the present disclosure provides a pixel defining layer, including: a first pixel defining layer disposed on a substrate; a second pixel defining layer located on a side of the first pixel defining layer away from the substrate, The orthographic projection of the surface of the second pixel defining layer close to the substrate on the substrate covers the orthographic projection of the surface of the first pixel defining layer away from the substrate on the substrate, and the second pixel defining The layer is a lyophobic material.
- the material of the second pixel defining layer is fluorinated polymethyl methacrylate or fluorinated polyimide.
- the first pixel defining layer is a lyophilic material.
- the material of the first pixel defining layer is one of polyisoprene, polystyrene or epoxy resin.
- the glass transition temperature of the material of the first pixel defining layer is greater than or equal to 200° and less than or equal to 300°.
- a second aspect of the embodiments of the present disclosure provides a method for manufacturing a pixel defining layer, including:
- a second pixel defining layer is formed on the side of the first pixel defining layer away from the substrate, and the orthographic projection of the surface of the second pixel defining layer close to the substrate on the substrate covers the first pixel defining layer
- the orthographic projection of the surface of the layer away from the substrate on the substrate, and the second pixel defining layer is a lyophobic material.
- the forming the first pixel defining layer on the substrate includes: forming a first material layer on the substrate; using a first mask to pattern the first material layer to form the first pixel defining layer
- the forming a second pixel defining layer on the side of the first pixel defining layer away from the substrate includes: forming a second material layer on the first pixel defining layer and the substrate; using a second mask pair
- the second material layer is patterned to form a second pixel defining layer; wherein the apertures of the light-transmitting holes of the first mask and the light-transmitting holes of the second mask are different.
- using a first mask to pattern the first material layer to form the first pixel defining layer includes: coating photoresist on the first material layer; according to the first mask The film plate exposes and develops the first material layer to form the first pixel defining layer; and using a second mask to pattern the second material layer to form the second pixel defining layer includes: Coating a second photoresist on the second material layer; exposing and developing the second material layer according to the second mask plate to form the second pixel defining layer.
- the photoresist is a positive glue
- the light-transmitting hole of the first mask is larger than the aperture of the light-transmitting hole of the second mask.
- the photoresist is a negative glue
- the light-transmitting hole of the first mask is smaller than the aperture of the light-transmitting hole of the second mask.
- a third aspect of an embodiment of the present disclosure provides an organic light emitting diode display panel, including: a substrate; the pixel defining layer as described in the first aspect; and a device layer of an organic light emitting diode defined by the pixel defining layer.
- the device layer includes an anode, a hole injection layer, a light emitting layer, an electron injection layer, and a cathode.
- a fourth aspect of the embodiments of the present disclosure provides a method for manufacturing an organic light emitting diode display panel, including: forming a pixel defining layer by using the method for manufacturing a pixel defining layer as described in the second aspect; The device layer of the organic light emitting diode is formed in the area.
- forming the device layer of the organic light emitting diode in the area defined by the pixel defining layer includes: forming the anode and the organic light emitting layer of the organic light emitting diode in the area defined by the pixel defining layer; The temperature and pressure reduce the height of the first pixel defining layer; a cathode of the organic light emitting diode is formed on the organic light emitting layer.
- the preset temperature is greater than the glass transition temperature of the material of the first pixel defining layer of the pixel defining layer; the preset pressure is greater than 2 atmospheres.
- a fifth aspect of an embodiment of the present disclosure provides a display device including the organic light emitting diode display panel as described in the third aspect.
- FIG. 1 shows a cross-sectional view of a pixel defining layer according to an embodiment of the present disclosure
- FIG. 2 shows a flowchart of a method for manufacturing a pixel defining layer according to an embodiment of the present disclosure
- 3a-3d show cross-sectional views corresponding to each stage in the pixel defining layer manufacturing process according to an embodiment of the present disclosure
- FIG. 4 shows a cross-sectional view of the display panel according to an embodiment of the present disclosure
- FIG. 5 shows a flowchart of a manufacturing method of the display panel according to an embodiment of the present disclosure.
- an embodiment of the present disclosure provides a pixel defining layer, including a first pixel defining layer disposed on a substrate; a second pixel located on the side of the first pixel defining layer away from the substrate A defining layer, the orthographic projection of the surface of the second pixel defining layer close to the substrate on the substrate covers the orthographic projection of the surface of the first pixel defining layer away from the substrate on the substrate, the The two-pixel defining layer is a liquid repellent material.
- the pixel defining layer 10 is applied to an organic light emitting diode display panel, and includes a two-layer structure, a first pixel defining layer 11 and a second pixel defining layer 12, the first pixel defining layer 11
- the second pixel defining layer 12 is arranged on the first pixel defining layer 11, and the second pixel defining layer 12 is arranged on a substrate which is an array substrate including thin film transistors.
- the orthographic projection of the surface of the second pixel defining layer close to the substrate on the substrate covers the orthographic projection of the surface of the first pixel defining layer away from the substrate on the substrate, as shown in FIG.
- the width of the surface of the second pixel defining layer 12 close to the substrate is greater than the width of the surface of the first pixel defining layer 11 away from the substrate.
- the pixel defining layer 10 formed by the first pixel defining layer 11 and the second pixel defining layer 12 has a mushroom shape.
- the second pixel defining layer 12 is a lyophobic material, and the lyophobic material is a material that is repellent to the ink in which the organic electroluminescent material is dissolved.
- the material of the second pixel defining layer is fluorinated polymethyl methacrylate or fluorinated polyimide. Therefore, the pixel defining layer 10 can effectively control the climbing of the ink on the pixel defining layer 10, and at the same time can reduce the risk of leakage of the device layer of the organic light emitting diode, and improve the uniformity of film formation.
- the first pixel defining layer may be a lyophobic material or a lyophilic material. Considering that the first pixel defining layer is used to better attract the ink, in an alternative embodiment Wherein, the first pixel defining layer is a lyophilic material.
- the lyophilic material is a material that is attractive to a solution in which an organic electroluminescent material is dissolved.
- the material of the first pixel defining layer is one of polyisoprene, polystyrene or epoxy resin.
- the pixel defining layer provided by this embodiment attracts the ink through the first pixel defining layer, and repels the ink through the second pixel defining layer, which can effectively control the climbing of the ink on the pixel defining layer, and at the same time can reduce the organic light emitting diode The leakage risk of the device layer and the improvement of film uniformity.
- the glass transition temperature of the material of the first pixel defining layer is greater than or equal to 200° and less than or equal to 300°.
- an embodiment of the present disclosure also provides a method for manufacturing a pixel defining layer, including: forming a first pixel defining layer on a substrate; A second pixel defining layer is formed on the side, and the orthographic projection of the surface of the second pixel defining layer close to the substrate on the substrate covers the orthographic projection of the surface of the first pixel defining layer away from the substrate on the substrate.
- the second pixel defining layer is made of lyophobic material.
- the manufacturing method may include:
- a first material layer is formed on the substrate.
- the first material layer 22 is formed on the substrate 21.
- a first mask is used to pattern the first material layer to form a first pixel defining layer.
- photoresist is coated on the first material layer 22, and the first material layer 22 is exposed and developed according to a first mask to form the first pixel defining layer 11.
- the first pixel defining layer is a lyophilic material, and the lyophilic material is a material that is attractive to a solution in which an organic electroluminescent material is dissolved.
- a second material layer is formed on the first pixel defining layer and the substrate.
- a second material layer 23 is formed on the first pixel defining layer 11 and the substrate 21, the second material layer 23 is a lyophobic material, and the lyophobic material is an organic electrolytic
- the ink of the luminescent material is a repellent material.
- a second mask is used to pattern the second material layer to form a second pixel defining layer, wherein the light-transmitting holes of the first mask and the second mask are The apertures of the light-transmitting holes of the diaphragm are different. That is, the apertures of the light-transmitting holes of the first mask and the second mask are set according to the pattern formed after patterning and the type of photoresist.
- the first mask when the light-transmitting hole corresponds to the area defined by the pixel defining layer, when the photoresist coated on the first material layer and the second material layer is a positive resist, the first mask The aperture of the light-transmitting hole of the plate is larger than the aperture of the light-transmitting hole of the second mask; when the photoresist coated on the first material layer and the second material layer is negative, the first The aperture of the light-transmitting hole of the mask is smaller than the aperture of the light-transmitting hole of the second mask; so that the orthographic projection of the second pixel defining layer close to the substrate on the substrate covers the The orthographic projection of the surface of the first pixel defining layer away from the substrate on the substrate.
- photoresist is coated on the second material layer 23, and the second material layer 23 is exposed and developed according to a second mask to form the second pixel defining layer 12.
- the photoresist coated on the first pixel defining layer 11 and the second pixel defining layer 12 is positive, and the light-transmitting hole of the first mask is larger than that of the second mask.
- the method for manufacturing the pixel defining layer adopts a first pixel defining layer of lyophilic material and a second pixel defining layer of lyophobic material, and the second pixel defining layer
- the orthographic projection of the surface close to the substrate on the substrate covers the orthographic projection of the surface of the first pixel defining layer away from the substrate on the substrate.
- the first pixel-defining layer is more attractive to the ink, while the second pixel-defining layer exhibits greater repulsion to the ink.
- the film formation under the action of the defining layer is closer to the direction of the substrate, which can effectively control the ink climbing on the pixel defining layer, and at the same time can reduce the risk of leakage of the device layer of the organic light emitting diode and improve the uniformity of film formation.
- an embodiment of the present disclosure also provides an organic light emitting diode display panel 20, which includes a substrate 21, the aforementioned pixel defining layer 10, and an organic light emitting diode device layer 24 defined by the pixel defining layer.
- the device layer includes an anode, a hole injection layer, a light emitting layer, an electron injection layer and a cathode.
- an embodiment of the present disclosure also provides a method for manufacturing a display panel, including: forming a pixel defining layer by using the method for manufacturing a pixel defining layer; forming a pixel defining layer in a region defined by the pixel defining layer Device layer of organic light emitting diode.
- the display panel formed in this way can effectively suppress the ink climbing on the pixel defining layer, and at the same time can effectively reduce the leakage risk of the device layer of the organic light emitting diode, and improve the uniformity of film formation.
- the forming the device layer of the organic light emitting diode in the area defined by the pixel defining layer may include: forming the anode of the organic light emitting diode in the area defined by the pixel defining layer and Organic light-emitting layer; reducing the height of the first pixel defining layer through a preset temperature and pressure; forming a cathode of an organic light-emitting diode on the organic light-emitting layer.
- the height of the first pixel defining layer is reduced by high temperature and high pressure, so that when the cathode is formed, the cathode can be arranged along the side of the entire pixel defining layer, so as to prevent the cathode from being broken and ensure that it is formed in the area defined by the pixel defining layer.
- the organic light emitting layer of the inner organic light emitting diode is in effective contact with the cathode.
- the preset temperature is greater than the glass transition temperature of the material of the first pixel defining layer of the pixel defining layer; and the preset pressure is greater than 2 atmospheres.
- the height of the first pixel defining layer after being compressed by high temperature and high pressure is reduced by more than 60%.
- An embodiment of the embodiments of the present disclosure also provides a display device including the above-mentioned display panel.
- the display devices include: electronic paper, mobile phones, tablet computers, televisions, monitors, notebook electric sports, digital photo frames, navigators and other products or components with display functions.
- the embodiments of the present disclosure have formulated a pixel defining layer and manufacturing method, a display panel and manufacturing method, and a display device.
- the pixel defining layer provided by the embodiments of the present disclosure can effectively inhibit ink from climbing on the pixel defining layer and reduce organic Leakage risk of the device layer of the light-emitting diode and improve the uniformity of film formation.
Landscapes
- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Manufacturing & Machinery (AREA)
- Electroluminescent Light Sources (AREA)
Abstract
Description
Claims (16)
- 一种像素界定层,包括:设置在基板上的第一像素界定层;位于所述第一像素界定层远离所述基板一侧的第二像素界定层,所述第二像素界定层靠近所述基板的表面在所述基板上的正投影覆盖所述第一像素界定层远离所述基板的表面在所述基板上的正投影,所述第二像素界定层为疏液材料。
- 根据权利要求1所述的像素界定层,其中所述第二像素界定层的材料为氟化聚甲基丙烯酸甲酯或氟化聚酰亚胺。
- 根据权利要求1所述的像素界定层,其中所述第一像素界定层为亲液材料。
- 根据权利要求3所述的像素界定层,其中所述第一像素界定层的材料为聚异戊二烯、聚苯乙烯或环氧树脂中的一种。
- 根据权利要求3所述的像素界定层,其中所述第一像素界定层的材料的玻璃化转变温度大于等于200°,并且小于等于300°。
- 一种像素界定层的制作方法,包括:在基板上形成第一像素界定层;在所述第一像素界定层远离所述基板的一侧形成第二像素界定层,所述第二像素界定层靠近所述基板的表面在所述基板上的正投影覆盖所述第一像素界定层远离所述基板的表面在所述基板上的正投影,所述第二像素界定层为疏液材料。
- 根据权利要求6所述的制作方法,其中所述在基板上形成第一像素界定层包括:在所述基板上形成第一材料层;采用第一掩膜板对所述第一材料层进行图案化处理,形成第一像素界定层;所述在所述第一像素界定层远离所述基板的一侧形成第二像素界定层包括:在所述第一像素界定层和基板上形成第二材料层;采用第二掩膜板对所述第二材料层进行图案化处理,形成第二像素界定层;其中,所述第一掩膜板的透光孔与所述第二掩膜板的透光孔的孔径不同。
- 根据权利要求7所述的制作方法,其中所述采用第一掩膜板对所述第一材料层进行图案化处理,形成第一像素界定层包括:在所述第一材料层上涂布光刻胶;根据所述第一掩膜板对所述第一材料层进行曝光显影,形成所述第一像素界定层;所述采用第二掩膜板对所述第二材料层进行图案化处理,形成第二像素界定层包括:在所述第二材料层上涂布第二光刻胶;根据所述第二掩膜板对所述第二材料层进行曝光显影,形成所述第二像素界定层。
- 根据权利要求8所述的制作方法,其中所述光刻胶为正胶,所述第一掩膜板的透光孔大于所述第二掩膜板的透光孔的孔径。
- 根据权利要求8所述的制作方法,其中所述光刻胶为负胶,所述第一掩膜板的透光孔小于所述第二掩膜板的透光孔的孔径。
- 一种有机发光二极管显示面板,包括:基板;如权利要求1-5中任一项所述的像素界定层;和由所述像素界定层所界定的有机发光二极管的器件层。
- 根据权利要求11所述的有机发光二极管显示面板,其中所述器件层包括阳极、空穴注入层、发光层、电子注入层和阴极。
- 一种有机发光二极管显示面板的制作方法,包括:采用如权利要求6-10中任一项所述的像素界定层的制作方法形成像素界定层;在所述像素界定层所界定的区域中形成有机发光二极管的器件层。
- 根据权利要求13所述的制作方法,其中所述在所述像素界定层所界定的区域中形成有机发光二极管的器件层包括:在所述像素界定层所界定的区域中形成有机发光二极管的阳极和有机发光层;通过预设置的温度和压强降低所述第一像素界定层的高度;在所述有机发光层上形成有机发光二极管的阴极。
- 根据权利要求14所述的制作方法,其中所述预设置的温度为:大于所述像素界定层的第一像素界定层的材料的玻璃化转变温度;所述预设置的压强为:大于2个大气压。
- 一种显示装置,包括如权利要求11或12所述的有机发光二极管显示面板。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910467169.0 | 2019-05-31 | ||
CN201910467169.0A CN110164941B (zh) | 2019-05-31 | 2019-05-31 | 像素界定层和制作方法、显示面板和制作方法、显示装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020238410A1 true WO2020238410A1 (zh) | 2020-12-03 |
Family
ID=67630447
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2020/083125 WO2020238410A1 (zh) | 2019-05-31 | 2020-04-03 | 像素界定层和制作方法、显示面板和制作方法、显示装置 |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN110164941B (zh) |
WO (1) | WO2020238410A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116367596A (zh) * | 2023-05-11 | 2023-06-30 | 惠科股份有限公司 | 显示面板及其制备方法 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110164941B (zh) * | 2019-05-31 | 2022-05-10 | 京东方科技集团股份有限公司 | 像素界定层和制作方法、显示面板和制作方法、显示装置 |
CN111430300B (zh) * | 2020-03-31 | 2023-09-05 | 京东方科技集团股份有限公司 | Oled阵列基板及其制备方法、显示面板及显示装置 |
CN111627970A (zh) * | 2020-06-05 | 2020-09-04 | 京东方科技集团股份有限公司 | 显示基板及其制备方法、显示装置 |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008243406A (ja) * | 2007-03-26 | 2008-10-09 | Seiko Epson Corp | 電気光学装置、および電気光学装置の製造方法 |
CN102705790A (zh) * | 2012-03-16 | 2012-10-03 | 京东方科技集团股份有限公司 | 发光二极管显示背板及其制造方法、显示装置 |
CN102945855A (zh) * | 2012-11-13 | 2013-02-27 | 京东方科技集团股份有限公司 | 发光显示背板、显示装置和像素界定层的制备方法 |
CN103413819A (zh) * | 2013-07-22 | 2013-11-27 | 京东方科技集团股份有限公司 | 一种有机发光显示面板、像素界定层及其制作方法 |
CN104201289A (zh) * | 2014-08-07 | 2014-12-10 | 京东方科技集团股份有限公司 | 一种像素单元及其制作方法、显示面板、显示装置 |
CN107046048A (zh) * | 2016-09-30 | 2017-08-15 | 广东聚华印刷显示技术有限公司 | 像素界定层及其制备方法和应用 |
CN107507930A (zh) * | 2017-08-09 | 2017-12-22 | 武汉华星光电半导体显示技术有限公司 | Oled显示面板及其制备方法 |
CN110164941A (zh) * | 2019-05-31 | 2019-08-23 | 京东方科技集团股份有限公司 | 像素界定层和制作方法、显示面板和制作方法、显示装置 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5256605B2 (ja) * | 2006-01-18 | 2013-08-07 | 凸版印刷株式会社 | 有機エレクトロルミネッセンス素子の製造方法 |
CN105448957B (zh) * | 2016-01-04 | 2018-06-05 | 京东方科技集团股份有限公司 | 有机电致发光显示基板及其制作方法、显示装置 |
CN107706222B (zh) * | 2017-09-28 | 2021-01-22 | 京东方科技集团股份有限公司 | 一种阵列基板及其制备方法、显示面板 |
-
2019
- 2019-05-31 CN CN201910467169.0A patent/CN110164941B/zh active Active
-
2020
- 2020-04-03 WO PCT/CN2020/083125 patent/WO2020238410A1/zh active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008243406A (ja) * | 2007-03-26 | 2008-10-09 | Seiko Epson Corp | 電気光学装置、および電気光学装置の製造方法 |
CN102705790A (zh) * | 2012-03-16 | 2012-10-03 | 京东方科技集团股份有限公司 | 发光二极管显示背板及其制造方法、显示装置 |
CN102945855A (zh) * | 2012-11-13 | 2013-02-27 | 京东方科技集团股份有限公司 | 发光显示背板、显示装置和像素界定层的制备方法 |
CN103413819A (zh) * | 2013-07-22 | 2013-11-27 | 京东方科技集团股份有限公司 | 一种有机发光显示面板、像素界定层及其制作方法 |
CN104201289A (zh) * | 2014-08-07 | 2014-12-10 | 京东方科技集团股份有限公司 | 一种像素单元及其制作方法、显示面板、显示装置 |
CN107046048A (zh) * | 2016-09-30 | 2017-08-15 | 广东聚华印刷显示技术有限公司 | 像素界定层及其制备方法和应用 |
CN107507930A (zh) * | 2017-08-09 | 2017-12-22 | 武汉华星光电半导体显示技术有限公司 | Oled显示面板及其制备方法 |
CN110164941A (zh) * | 2019-05-31 | 2019-08-23 | 京东方科技集团股份有限公司 | 像素界定层和制作方法、显示面板和制作方法、显示装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116367596A (zh) * | 2023-05-11 | 2023-06-30 | 惠科股份有限公司 | 显示面板及其制备方法 |
CN116367596B (zh) * | 2023-05-11 | 2023-08-11 | 惠科股份有限公司 | 显示面板及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN110164941A (zh) | 2019-08-23 |
CN110164941B (zh) | 2022-05-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2020238410A1 (zh) | 像素界定层和制作方法、显示面板和制作方法、显示装置 | |
US10886343B2 (en) | Pixel defining layer and method for manufacturing the same, display panel and method for manufacturing the same, and display device | |
CN107591432B (zh) | 像素界定层、显示基板及制造方法、显示装置 | |
WO2016019643A1 (zh) | 有机电致发光显示面板、其制作方法及显示装置 | |
US9935287B2 (en) | Array substrate and manufacturing method therefor, and display device | |
US10559635B2 (en) | Pixel defining layer, production method thereof, and display substrate | |
US10811476B2 (en) | Pixel definition layer, manufacturing method thereof, display substrate and display device | |
CN106941112B (zh) | 像素界定层及其制造方法、显示基板 | |
US20160056218A1 (en) | Display panel with pixel defining layer and manufacturing method of pixel defining layer | |
CN109509782B (zh) | 像素界定层及其制造方法、自发光显示面板、显示装置 | |
CN109920825B (zh) | 像素界定结构及其制作方法、显示面板及显示装置 | |
WO2018205793A1 (zh) | 像素界定层及其制造方法、显示基板、显示装置 | |
WO2015085722A1 (zh) | 显示面板及显示装置 | |
US11227904B2 (en) | Method for manufacturing light-emitting layer, electroluminescent device and display device | |
US20200219949A1 (en) | Array substrate, method of manufacturing thereof, and display device | |
US11917865B2 (en) | Display panel, method for fabricating the same, and display device | |
WO2018040329A1 (zh) | 一种发光面板及其制备方法 | |
WO2021238645A1 (zh) | 显示用基板及其制备方法、显示装置 | |
CN101740726A (zh) | 有机电致发光器件及其制造方法 | |
WO2020233596A1 (zh) | 有机电致发光器件、其制造方法及显示装置 | |
CN110164948B (zh) | 一种像素界定层、制作方法和显示面板 | |
US11404505B2 (en) | Display substrate, ink-jet printing method thereof, and display apparatus | |
CN109103349A (zh) | Oled面板的制作方法与oled面板 | |
CN110112328A (zh) | 有机发光二极管显示器及其制造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20813517 Country of ref document: EP Kind code of ref document: A1 |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20813517 Country of ref document: EP Kind code of ref document: A1 |
|
32PN | Ep: public notification in the ep bulletin as address of the adressee cannot be established |
Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC (EPO FORM 1205A DATED 25/07/2022) |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 20813517 Country of ref document: EP Kind code of ref document: A1 |