WO2021243770A1 - 显示面板及其制备方法 - Google Patents

显示面板及其制备方法 Download PDF

Info

Publication number
WO2021243770A1
WO2021243770A1 PCT/CN2020/098146 CN2020098146W WO2021243770A1 WO 2021243770 A1 WO2021243770 A1 WO 2021243770A1 CN 2020098146 W CN2020098146 W CN 2020098146W WO 2021243770 A1 WO2021243770 A1 WO 2021243770A1
Authority
WO
WIPO (PCT)
Prior art keywords
compound
black matrix
layer
display panel
matrix layer
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.)
Ceased
Application number
PCT/CN2020/098146
Other languages
English (en)
French (fr)
Inventor
龚文亮
鲜于文旭
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Original Assignee
Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd filed Critical Wuhan China Star Optoelectronics Semiconductor Display Technology Co Ltd
Priority to US17/053,186 priority Critical patent/US11991912B2/en
Publication of WO2021243770A1 publication Critical patent/WO2021243770A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
    • C08L1/08—Cellulose derivatives
    • C08L1/26—Cellulose ethers
    • C08L1/28—Alkyl ethers
    • C08L1/284—Alkyl ethers with hydroxylated hydrocarbon radicals
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • G09F9/30—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements
    • G09F9/301—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements in which the desired character or characters are formed by combining individual elements flexible foldable or roll-able electronic displays, e.g. thin LCD, OLED
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
    • C09D101/08—Cellulose derivatives
    • C09D101/26—Cellulose ethers
    • C09D101/28—Alkyl ethers
    • C09D101/288—Alkyl ethers substituted with nitrogen containing radicals
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D139/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a single or double bond to nitrogen or by a heterocyclic ring containing nitrogen; Coating compositions based on derivatives of such polymers
    • C09D139/02—Homopolymers or copolymers of vinylamine
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D147/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds; Coating compositions based on derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/60—Additives non-macromolecular
    • C09D7/63—Additives non-macromolecular organic
    • 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
    • H10K50/84—Passivation; Containers; Encapsulations
    • H10K50/841—Self-supporting sealing arrangements
    • 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
    • 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]
    • 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
    • H10K59/80—Constructional details
    • H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
    • H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/09—Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098—Metal salts of carboxylic acids
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/24—Homopolymers or copolymers of amides or imides
    • C09D133/26—Homopolymers or copolymers of acrylamide or methacrylamide
    • 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
    • H10K59/80—Constructional details
    • H10K59/87—Passivation; Containers; Encapsulations
    • H10K59/873—Encapsulations
    • H10K59/8731—Encapsulations multilayered coatings having a repetitive structure, e.g. having multiple organic-inorganic bilayers

Definitions

  • This application relates to the field of display technology, in particular to a display panel and a preparation method thereof.
  • the color filter prepared on the packaging film is usually prepared by inkjet printing technology.
  • the color filter prepared by inkjet printing technology has a simple process, no photolithography mask is required in the production process, and the material utilization rate is high.
  • the contact angle between the ink and the black matrix layer is too small, making printing impossible.
  • the present application provides a display panel and a manufacturing method thereof, so as to solve the problem that printing cannot be performed because the contact angle between ink and the black matrix layer is too small.
  • the present application provides a display panel, which includes:
  • An encapsulation layer, the encapsulation layer is disposed on the surface of the substrate;
  • a black matrix layer the black matrix layer is disposed on the encapsulation layer, the black matrix layer includes a through hole, the through hole penetrates the black matrix layer to expose the encapsulation layer;
  • the color filter, the color filter is arranged in the through hole.
  • the upper surface of the black matrix layer has a microstructure.
  • the surface of the black matrix layer has polar anion groups
  • the oil-repellent layer includes a first compound and a second compound
  • the first compound is an organic cationic polymer
  • the second compound is an organic cationic polymer.
  • the second compound is a hydrophobic anionic compound
  • the first compound is adsorbed on the polar anion group
  • the second compound is adsorbed on the first compound.
  • the molecular weight of the organic cationic polymer is 10,000-1,000,000.
  • the negative polar group is selected from COO -, O - and CO -.
  • the organic cationic polymer is selected from polydiallyldimethylammonium halide, polyhexamethylenediammonium halide, polyacrylamide and polyhydroxyethyl cellulose ether quaternary ammonium salt .
  • the structural formula of the hydrophobic anionic compound is C n X 2n-1 O 2 Y, where n ⁇ 6, X is a halogen element, and Y is an alkali metal.
  • the application also provides a display panel, which includes:
  • An encapsulation layer, the encapsulation layer is disposed on the surface of the substrate;
  • a black matrix layer the black matrix layer is disposed on the encapsulation layer, the black matrix layer includes a through hole that penetrates the black matrix layer to expose the encapsulation layer;
  • An oil-repellent layer the oil-repellent layer covering the black matrix layer.
  • the upper surface of the black matrix layer has a microstructure.
  • the surface of the black matrix layer has polar anion groups
  • the oil-repellent layer includes a first compound and a second compound
  • the first compound is an organic cationic polymer
  • the second compound is an organic cationic polymer.
  • the second compound is a hydrophobic anionic compound
  • the first compound is adsorbed on the polar anion group
  • the second compound is adsorbed on the first compound.
  • the negative polar group is selected from COO -, O - and CO -.
  • the organic cationic polymer is selected from polydiallyldimethylammonium halide, polyhexamethylenediammonium halide, polyacrylamide and polyhydroxyethyl cellulose ether quaternary ammonium salt .
  • the structural formula of the hydrophobic anionic compound is C n X 2n-1 O 2 Y, where n ⁇ 6, X is a halogen element, and Y is an alkali metal.
  • the application also provides a method for manufacturing a display panel, which includes:
  • the black matrix layer includes a through hole, the through hole penetrates the black matrix layer to expose the encapsulation layer;
  • Forming an oil-repellent layer on the surface of the black matrix layer includes:
  • the first intermediate product is placed in an aqueous solution containing the first compound, so that the first compound is adsorbed on the polar anion groups on the surface of the black matrix layer to form a second intermediate product, and the first compound is Organic cationic polymer;
  • the second intermediate product is placed in an aqueous solution including a second compound, the second compound is adsorbed on the first compound, the first compound and the second compound form an oil-repellent layer, and the second compound is Hydrophobic anionic compound.
  • the first intermediate product is placed in an aqueous solution including a first compound, so that the first compound is adsorbed on the polar negative ions on the surface of the black matrix layer Group, the step of forming the second intermediate product includes:
  • the first intermediate product After the step of placing the first intermediate product in an aqueous solution containing a first compound, and allowing the first compound to be adsorbed on the polar anion groups on the surface of the black matrix layer, it is placed in a mixed solution of ethanol and water , The formation of the second intermediate product.
  • the second intermediate product is placed in an aqueous solution including a second compound, so that the second compound is adsorbed on the first compound, and the first compound and
  • the step of forming the oil-repellent layer by the second compound includes:
  • the second intermediate product After the step of placing the second intermediate product in an aqueous solution containing the second compound and allowing the second compound to be adsorbed on the first compound, it is placed in absolute ethanol to form the oil-repellent layer.
  • the mass fraction of the first compound aqueous solution is 0.1%-40%, and the mass fraction of the second compound aqueous solution is 5%-50%.
  • the present application provides a display panel and a preparation method thereof.
  • An oil-repellent layer is provided on the black matrix layer to increase the contact angle between the photoresist droplet and the interface of the through hole, so that the ink can effectively flow into the through hole during the printing process. , Uniform film formation.
  • FIG. 1 is a structural cross-sectional view of a display panel provided by this application.
  • FIG. 2 is a cross-sectional view of the structure of the packaging layer provided by this application.
  • FIG. 3 is a flow cross-sectional view of the manufacturing method of the display panel provided by this application.
  • FIG. 4 is a flow chart of the method for manufacturing the display panel provided by this application.
  • FIG. 1 is a structural cross-sectional view of a display panel provided by this application.
  • the application provides a display panel 10.
  • the display panel 10 includes a substrate 100, an encapsulation layer 200, a black matrix layer 300 and an oil repellent layer 400.
  • the substrate 100 includes a glass substrate, a resin substrate, a quartz substrate, and the like.
  • FIG. 2 is a cross-sectional view of the structure of the packaging layer provided by this application.
  • the packaging layer 200 is disposed on the substrate 100.
  • the encapsulation layer 200 is formed by a plurality of inorganic layers 210 and a plurality of organic layers 220. Each of the inorganic layers 210 and each of the organic layers 220 are alternately stacked.
  • the black matrix layer 300 is disposed on the encapsulation layer 200.
  • the black matrix layer 300 includes through holes 310.
  • the through hole 310 penetrates the black matrix layer 300 to expose the encapsulation layer 200.
  • the upper surface of the black matrix layer 300 has a microstructure 320, and the microstructure 320 on the surface of the black matrix layer 300 has a polar anion group.
  • the polar anion group is selected from COO -, O - and CO -.
  • the oil repellent layer 400 is disposed on the black matrix layer 300.
  • the material of the oil repellent layer 400 is formed of a first compound and a second compound.
  • the first compound is an organic cationic polymer.
  • the second compound is a hydrophobic anionic compound.
  • the first compound is adsorbed on the polar anion group.
  • the second compound is adsorbed on the first compound.
  • the organic cationic polymer is selected from the group consisting of polydiallyl dimethyl ammonium halide, polyhexamethylene ammonium halide, polyacrylamide and polyhydroxyethyl cellulose ether quaternary ammonium salt.
  • the structural formula of the hydrophobic anionic compound is C n X 2n-1 O 2 Y, where n ⁇ 6, X is a halogen element, and Y is an alkali metal element.
  • the organic cationic polymer is selected from polydiallyl dimethyl ammonium chloride, polyhexamethylene bromide, polyacrylamide and polyhydroxyethyl cellulose ether quaternary ammonium salt .
  • the organic cationic polymer is polydiallyldimethylammonium chloride.
  • the hydrophobic anionic compound is selected from the group consisting of sodium perfluorooctanoate, sodium perfluorohexanoate, sodium perfluoroheptanoate and sodium perfluorononanoate. In this embodiment, the hydrophobic anionic compound is perfluorooctanoate. Sodium caprylate.
  • the display panel further includes a color filter 500.
  • the color filter 500 is disposed in the through hole 310.
  • an oil-repellent layer is provided on the upper surface of the black matrix layer, and the oil-repellent layer is formed by the organic cationic polymer adsorbing hydrophobic anionic compounds, and the perfluoro group in the perfluoro-octanoic acid is hydrophobic Oily group.
  • the carboxyl group is a hydrophilic group.
  • Perfluorooctanoic acid is neutralized to form sodium perfluorooctanoate.
  • the sodium salt is water-soluble and can be dissolved in water.
  • the anionic groups face inward, that is, the hydrophilic groups face inward, and the oleophobic groups face outward, that is, the perfluorinated group, which increases the contact angle between the black matrix layer and the photoresist droplets. , Which in turn allows the ink to form a film in the through hole.
  • FIG. 3 is a flow cross-sectional view of the method for manufacturing the display panel provided by this application
  • FIG. 4 is a flowchart of the method for manufacturing the display panel provided by this application.
  • the present application provides a method for manufacturing the display panel 10.
  • the substrate 100 includes a glass substrate, a resin substrate, a quartz substrate, and the like.
  • the encapsulation layer 200 includes several inorganic layers 210 and several organic layers 220. Each of the inorganic layers 210 and each of the organic layers 220 are alternately stacked.
  • a black matrix layer 300 is formed on the encapsulation layer 200, the black matrix layer 300 includes a through hole 310 that penetrates the black matrix layer 300 to expose the encapsulation layer 200.
  • the black matrix layer 300 is prepared on the encapsulation layer 200 by coating.
  • the patterned black matrix layer 300 prepared by the yellow light process that is, the black matrix layer 300 forms a through hole 310.
  • the through hole 310 penetrates the black matrix layer 300 to expose the encapsulation layer 200.
  • An oil-repellent layer 400 is formed on the surface of the black matrix layer 300.
  • Forming the oil-repellent layer 400 on the surface of the black matrix layer 300 includes the following steps:
  • the black matrix layer 300 is treated by plasma for 30 seconds to 120 seconds to form the first intermediate product 11.
  • An uneven microstructure 320 is formed on the first intermediate product.
  • the surface of the microstructure 320 carries polar anionic groups.
  • the polar anion group is selected from COO -, O - and CO -.
  • the conditions of the plasma are as follows: the atmosphere is a plasma mixed gas of oxygen and argon, the power is 30 to 120 W, the flow rate of oxygen is 2 sccm to 30 sccm, and the pressure is 0 Pa to 133 Pa.
  • the first intermediate product 11 Places the first intermediate product 11 in an aqueous solution containing a first compound, so that the first compound is adsorbed on the polar negative ion groups on the surface of the black matrix layer to form a second intermediate product 12,
  • the first compound is an organic cationic polymer.
  • the first intermediate 11 product is soaked in an aqueous solution containing a first compound, and the mass percentage of the aqueous solution of the first compound is 0.1%-10%.
  • the soaking time is 10 seconds to 120 seconds.
  • the remaining polymer is washed away, so that the upper surface of the black matrix layer 300 adsorbs the organic cationic polymer to be positively charged to form the second intermediate 12 product. Because the upper surface of the black matrix layer 300 has polar negative ion groups, the surface of the black matrix layer 300 is wrapped with positively charged polymer molecular chains.
  • the first compound is an organic cationic polymer.
  • the organic cationic polymer is selected from the group consisting of polydiallyl dimethyl ammonium halide, polyhexamethylene ammonium halide, polyacrylamide and polyhydroxyethyl cellulose ether quaternary ammonium salt.
  • the organic cationic polymer is selected from polydiallyl dimethyl ammonium chloride, polyhexamethylene bromide, polyacrylamide and polyhydroxyethyl cellulose ether quaternary ammonium salt . In an embodiment, the organic cationic polymer is polydiallyldimethylammonium chloride.
  • the mass percentage of the organic cationic polymer is 0.4%-40%.
  • the aqueous solution of the first compound may be spin-coated or sprayed on the upper surface of the black matrix layer 300 of the second intermediate product 12 by spin-coating or spraying.
  • the second intermediate 12 product Placing the second intermediate 12 product in an aqueous solution containing a second compound, so that the second compound is adsorbed on the first compound.
  • the first compound and the second compound form an oil-repellent layer 400.
  • the second compound is a hydrophobic anionic compound.
  • the second intermediate product 12 is soaked in the aqueous solution of the second compound, the mass percentage of the aqueous solution of the second compound is 5% to 50%, after soaking for 10 seconds to 120 seconds, and then Place it in absolute ethanol to clean the surface and dry it at 50 degrees Celsius for 30 minutes to form an oil-repellent layer 400.
  • the structural formula of the hydrophobic anionic compound is C n X 2n-1 O 2 Y, where n ⁇ 6, X is a halogen element, and Y is an alkali metal.
  • the hydrophobic anionic compound is selected from the group consisting of sodium perfluorooctanoate, sodium perfluorohexanoate, sodium perfluoroheptanoate and sodium perfluorononanoate.
  • the hydrophobic The sex anionic compound is sodium perfluorooctanoate.
  • the method further includes printing the color filter 500 on the through hole 310 by inkjet printing.
  • the display panel further includes a color filter 500.
  • the color filter 500 is disposed in the through hole 310.
  • the present application provides a display panel and a preparation method thereof.
  • the oil-repellent layer is formed on the black matrix layer by electrostatic adsorption, which increases the contact angle between the photoresist droplet and the through-hole interface, so that the ink can accurately flow into the through-hole during the printing process. In this way, it is not adsorbed by the wall surface of the black matrix layer, and the ink is uniformly formed into a film.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Optical Filters (AREA)

Abstract

一种显示面板（10）及其制备方法，显示面板（10）包括基板（100）、封装层（200）、黑色矩阵层（300）和憎油层（400），封装层（200）设置于基板（100）的表面，黑色矩阵层（300）设置于封装层（200）上，黑色矩阵层（300）包括通孔（310），通孔（310）贯穿黑色矩阵层（300）以暴露封装层（200），憎油层（400）覆盖黑色矩阵层（300）。

Description

显示面板及其制备方法 技术领域
本申请涉及显示技术领域，具体涉及一种显示面板及其制备方法。
 背景技术
因偏光片本身透过率低、厚度大、质地脆及价格高昂等特点，极大地限制了柔性OLED显示技术的应用。因此，提出一种在薄膜封装上制作彩色滤光片替代圆偏光片的方法。但在封装薄膜上制备彩色滤光片通常采用喷墨打印技术进行制备，采用喷墨打印技术制备的彩色滤光片的制程简单、生产过程中无需光刻掩模版、材料利用率高，但当光阻液滴打印至像素坑中时，存在墨水与黑色矩阵层接触角过小，而使得打印无法进行。
 技术问题
本申请提供一种显示面板及其制备方法，以解决因墨水与黑色矩阵层的接触角过小，而使得打印无法进行的问题。
 技术解决方案
本申请提供一种显示面板，其包括：
基板；
封装层，所述封装层设置于所述基板的表面；
黑色矩阵层，所述黑色矩阵层设置于所述封装层上，所述黑色矩阵层包括通孔，所述通孔贯穿所述黑色矩阵层以暴露所述封装层；
憎油层，所述憎油层覆盖所述黑色矩阵层；以及
彩色滤光片，所述彩色滤光片设置于所述通孔中。
在本申请所提供的显示面板中，所述黑色矩阵层的上表面具有微结构。
在本申请所提供的显示面板中，所述黑色矩阵层表面具有极性负离子基团，所述憎油层包括第一化合物和第二化合物，所述第一化合物为有机阳离子聚合物，所述第二化合物为疏水性阴离子化合物，所述第一化合物吸附于所述极性负离子基团上，所述第二化合物吸附于所述第一化合物上。
在本申请所提供的显示面板中，所述有机阳离子聚合物的分子量为10000~1000000。
在本申请所提供的显示面板中，所述极性负离子基团选自COO -、O -和CO -。
在本申请所提供的显示面板中，所述有机阳离子聚合物选自聚二烯丙基二甲基卤化铵、聚卤化己二甲铵、聚丙烯酰胺和聚羟乙基纤维素醚季铵盐。
在本申请所提供的显示面板中，所述疏水性阴离子化合物的结构式为C nX 2n-1O 2Y，其中n≥6，X为卤族元素，Y为碱金属。
本申请还提供一种显示面板，其包括：
基板；
封装层，所述封装层设置于所述基板的表面；
黑色矩阵层，所述黑色矩阵层设置于所述封装层上，所述黑色矩阵层包括通孔，所述通孔贯穿所述黑色矩阵层以暴露所述封装层；以及
憎油层，所述憎油层覆盖所述黑色矩阵层。
在本申请所提供的显示面板中，所述黑色矩阵层的上表面具有微结构。
在本申请所提供的显示面板中，所述黑色矩阵层表面具有极性负离子基团，所述憎油层包括第一化合物和第二化合物，所述第一化合物为有机阳离子聚合物，所述第二化合物为疏水性阴离子化合物，所述第一化合物吸附于所述极性负离子基团上，所述第二化合物吸附于所述第一化合物上。
在本申请所提供的显示面板中，所述极性负离子基团选自COO -、O -和CO -。
在本申请所提供的显示面板中，所述有机阳离子聚合物选自聚二烯丙基二甲基卤化铵、聚卤化己二甲铵、聚丙烯酰胺和聚羟乙基纤维素醚季铵盐。
在本申请所提供的显示面板中，所述疏水性阴离子化合物的结构式为C nX 2n-1O 2Y，其中n≥6，X为卤族元素，Y为碱金属。
本申请还提供一种显示面板的制备方法，其包括：
提供一基板；
在所述基板上形成封装层；
在所述封装层上形成黑色矩阵层，所述黑色矩阵层包括通孔，所述通孔贯通所述黑色矩阵层以暴露所述封装层；
在所述黑色矩阵层表面形成憎油层，包括：
在所述黑色矩阵层表面形成极性负离子基团，形成第一中间产品；
将所述第一中间产品置于包括第一化合物的水溶液中，使所述第一化合物吸附于所述黑色矩阵层表面的极性负离子基团，形成第二中间产品，所述第一化合物为有机阳离子聚合物；
将所述第二中间产品置于包括第二化合物的水溶液中，使第二化合物吸附于所述第一化合物，所述第一化合物和所述第二化合物形成憎油层，所述第二化合物为疏水性阴离子化合物。
在本申请所提供的显示面板的制备方法中，所述将所述第一中间产品置于包括第一化合物的水溶液中，使所述第一化合物吸附于所述黑色矩阵层表面的极性负离子基团，形成第二中间产品的步骤中，包括：
将所述第一中间产品置于包括第一化合物的水溶液中，使所述第一化合物吸附于所述黑色矩阵层表面的极性负离子基团的步骤之后，再放置于乙醇和水混合溶液中，形成第二中间产品。
在本申请所提供的显示面板的制备方法中，所述将所述第二中间产品置于包括第二化合物的水溶液中，使第二化合物吸附于所述第一化合物，所述第一化合物和所述第二化合物形成憎油层的步骤中，包括：
将所述第二中间产品置于包括第二化合物的水溶液中，使第二化合物吸附于所述第一化合物的步骤之后，再放置于无水乙醇中，形成所述憎油层。
在本申请所提供的显示面板的制备方法中，所述第一化合物水溶液的质量分数为0.1%-40%，所述第二化合物水溶液的质量分数为5%-50%。
 有益效果
本申请提供一种显示面板及其制备方法，在黑色矩阵层上设置有憎油层，增大了光阻液滴与通孔界面的接触角，使得墨水在打印的过程中，有效的流入通孔，均匀成膜。
 附图说明
为了更清楚地说明本申请实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本申请提供的显示面板的结构剖视图。
图2为本申请所提供的封装层的结构剖视图。
图3为本申请所提供的显示面板的制备方法的流程剖面图。
图4为本申请所提供的显示面板的制备方法的流程图。
 本发明的实施方式
下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本申请保护的范围。
请参阅图1，图1为本申请提供的显示面板的结构剖视图。本申请提供一种显示面板10。所述显示面板10包括基板100、封装层200、黑色矩阵层300和憎油层400。
所述基板100包括玻璃基板、树脂基板和石英基板等。
请参阅图2，图2为本申请所提供的封装层的结构剖视图。所述封装层200设置于所述基板100上。所述封装层200由若干个无机层210和若干个有机层220形成。每一所述无机层210与每一所述有机层220交替层叠设置。
所述黑色矩阵层300设置于所述封装层200上。所述黑色矩阵层300包括通孔310。所述通孔310贯穿所述黑色矩阵层300以暴露所述封装层200。所述黑色矩阵层300的上表面具有微结构320，所述黑色矩阵层300表面的微结构320具有极性负离子基团。所述极性负离子基团选自COO -、O -和CO -。
所述憎油层400设置于所述黑色矩阵层300上。所述憎油层400材料由第一化合物和第二化合物形成。所述第一化合物为有机阳离子聚合物。所述第二化合物为疏水性阴离子化合物。所述第一化合物吸附于所述极性负离子基团上。所述第二化合物吸附于所述第一化合物上。
在另一种实施例中，所述有机阳离子聚合物选自聚二烯丙基二甲基卤化铵、聚卤化己二甲铵、聚丙烯酰胺和聚羟乙基纤维素醚季铵盐。所述疏水性阴离子化合物的结构式为C nX 2n-1O 2Y，其中n≥6，X为卤族元素，Y为碱金属元素。
在另一种实施例中，所述有机阳离子聚合物选自聚二烯丙基二甲基氯化铵、聚溴化己二甲铵、聚丙烯酰胺和聚羟乙基纤维素醚季铵盐。在实施例中，所述有机阳离子聚合物为聚二烯丙基二甲基氯化铵。所述疏水性阴离子化合物选自全氟正辛酸钠、全氟正己酸钠、全氟正庚酸钠和全氟正壬酸钠，在本实施例中，所述疏水性阴离子化合物为全氟正辛酸钠。
在另一实施例中，所述显示面板还包括彩色滤光片500。所述彩色滤光片500设置于所述通孔310中。
在本申请中，在所述黑色矩阵层的上表面设置有憎油层，所述憎油层时通过有机阳离子聚合物吸附疏水性阴离子化合物形成，所述全氟正辛酸中的全氟基团为憎油性基团，羧基为亲水基团，全氟正辛酸被中和后形成全氟正辛酸钠，钠盐具有水溶性，可以溶解在水中，当有机阳离子聚合物与全氟正辛酸阴离子通过静电吸附作用形成憎油层后，因阴离子基团朝内，即亲水基团朝内，憎油性基团朝外，即全氟基团，进而使得黑色矩阵层与光阻液滴的接触角增大，进而使得墨水可在通孔中成膜。
请参阅图3和图4，图3为本申请所提供的显示面板的制备方法的流程剖面图，图4为本申请所提供的显示面板的制备方法的流程图。本申请提供一种显示面板10的制备方法。
20、提供一基板100。
所述基板100包括玻璃基板、树脂基板和石英基板等。
30、在所述基板100上形成封装层200。
所述封装层200包括由若干个无机层210和若干个有机层220组成。每一所述无机层210与每一所述有机层220交替层叠设置。
40、在所述封装层200上形成黑色矩阵层300，所述黑色矩阵层300包括通孔310，所述通孔310贯通所述黑色矩阵层300以暴露所述封装层200。
通过涂布的方式在所述封装层200上制备所述黑色矩阵层300。通过黄光制程制备的图案化的黑色矩阵层300，即所述黑色矩阵层300形成通孔310。所述通孔310贯穿所述黑色矩阵层300以暴露所述封装层200。当所述黑色矩阵层300直接设置在封装层200上时，需要低温烘烤工艺的黑色矩阵层300。
50、在所述黑色矩阵层300表面形成憎油层400。
在所述黑色矩阵层300表面形成憎油层400包括以下步骤：
51、在所述黑色矩阵层300表面形成极性负离子基团，形成第一中间产品11。
具体的，采用等离子体方式对所述黑色矩阵层300处理30秒~120秒，形成第一中间产品11。所述第一中间产品上形成凹凸不平的微结构320。所述微结构320的表面带有极性负离子基团。所述极性负离子基团选自COO -、O -和CO -。所述等离子体的条件为：气氛为氧气和氩气等离子混合气体，功率为30~120W，氧气的流量为2 sccm ~30 sccm，压力为0帕~133帕。
52、将所述第一中间产品11置于包括第一化合物的水溶液中，使所述第一化合物吸附于所述黑色矩阵层表面的极性负离子基团，形成第二中间产品12，所述第一化合物为有机阳离子聚合物。
具体的，将所述第一中间11产品侵泡于包括第一化合物的水溶液中，所述第一化合物的水溶液的质量百分数为0.1%~10%。所述侵泡的时间为10秒~120秒，侵泡10秒~120秒后，再侵泡于乙醇和水的混合溶液中，将第二中间产品12中的黑色矩阵层300上表面以外的残留的聚合物冲洗掉，使黑色矩阵层300上表面吸附有待正电荷的有机阳离子聚合物，形成第二中间12产品。因所述黑色矩阵层300的上表面具有极性负离子基团，使得黑色矩阵层300的表面包裹有正电荷的聚合物分子链。所述第一化合物为有机阳离子聚合物。
在另一种实施例中，所述有机阳离子聚合物选自聚二烯丙基二甲基卤化铵、聚卤化己二甲铵、聚丙烯酰胺和聚羟乙基纤维素醚季铵盐。
在另一种实施例中，所述有机阳离子聚合物选自聚二烯丙基二甲基氯化铵、聚溴化己二甲铵、聚丙烯酰胺和聚羟乙基纤维素醚季铵盐。在实施例中，所述有机阳离子聚合物为聚二烯丙基二甲基氯化铵。
在另一实施例中，当所述有机阳离子聚合物的分子量在10000~1000000之间时，所述有机阳离子聚合物的质量百分数为0.4%~40%。
在另一实施例中，可将所述第一化合物的水溶液通过旋涂或喷涂的方式旋涂或喷涂于所述第二中间产品12的黑色矩阵层300的上表面。
53、将所述第二中间12产品置于包括第二化合物的水溶液中，使第二化合物吸附于所述第一化合物。所述第一化合物和所述第二化合物形成憎油层400。所述第二化合物为疏水性阴离子化合物。
具体的，将所述第二中间产品12侵泡于所述第二化合物的水溶液中，所述第二化合物的水溶液的质量百分数为5%~50%，侵泡10秒~120秒后，再放置于无水乙醇中将表面清洗干净，在50摄氏度下干燥30分钟，形成憎油层400。
在另一实施例中，所述疏水性阴离子化合物的结构式为C nX 2n-1O 2Y，其中n≥6，X为卤族元素，Y为碱金属。
在另一实施例中，所述疏水性阴离子化合物选自全氟正辛酸钠、全氟正己酸钠、全氟正庚酸钠和全氟正壬酸钠，在本实施例中，所述疏水性阴离子化合物为全氟正辛酸钠。
在另一实施例中，在形成所述憎油层400的步骤之后，还包括采用喷墨打印方式打印彩色滤光片500于所述通孔310。所述显示面板还包括彩色滤光片500。所述彩色滤光片500设置于所述通孔310中。
本申请提供一种显示面板及其制备方法，通过静电吸附在黑色矩阵层上形成憎油层，增大了光阻液滴与通孔界面的接触角，使得墨水在打印过程中准确的流入通孔中，而不被黑色矩阵层的壁面吸附，并使得墨水均匀成膜。
以上仅为本申请的实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (17)

  1. 一种显示面板，其包括：
    基板；
    封装层，所述封装层设置于所述基板的表面；
    黑色矩阵层，所述黑色矩阵层设置于所述封装层上，所述黑色矩阵层包括通孔，所述通孔贯穿所述黑色矩阵层以暴露所述封装层；
    憎油层，所述憎油层覆盖所述黑色矩阵层；以及
    彩色滤光片，所述彩色滤光片设置于所述通孔中。
  2. 如权利要求1所述的显示面板，其中，所述黑色矩阵层的上表面具有微结构。
  3. 如权利要求1所述的显示面板，其中，所述黑色矩阵层表面具有极性负离子基团，所述憎油层包括第一化合物和第二化合物，所述第一化合物为有机阳离子聚合物，所述第二化合物为疏水性阴离子化合物，所述第一化合物吸附于所述极性负离子基团上，所述第二化合物吸附于所述第一化合物上。
  4. 如权利要求3所述的显示面板，其中，所述有机阳离子聚合物的分子量为10000~1000000。
  5. 如权利要求3所述的显示面板，其中，所述极性负离子基团选自COO -、O -和CO -。
  6. 如权利要求3所述的显示面板，其中，所述有机阳离子聚合物选自聚二烯丙基二甲基卤化铵、聚卤化己二甲铵、聚丙烯酰胺和聚羟乙基纤维素醚季铵盐。
  7. 如权利要求3所述的显示面板，其中，所述疏水性阴离子化合物的结构式为C nX 2n-1O 2Y，其中n≥6，X为卤族元素，Y为碱金属。
  8. 一种显示面板，其包括：
    基板；
    封装层，所述封装层设置于所述基板的表面；
    黑色矩阵层，所述黑色矩阵层设置于所述封装层上，所述黑色矩阵层包括通孔，所述通孔贯穿所述黑色矩阵层以暴露所述封装层；以及
    憎油层，所述憎油层覆盖所述黑色矩阵层。
  9. 如权利要求8所述的显示面板，其中，所述黑色矩阵层的上表面具有微结构。
  10. 如权利要求8所述的显示面板，其中，所述黑色矩阵层表面具有极性负离子基团，所述憎油层包括第一化合物和第二化合物，所述第一化合物为有机阳离子聚合物，所述第二化合物为疏水性阴离子化合物，所述第一化合物吸附于所述极性负离子基团上，所述第二化合物吸附于所述第一化合物上。
  11. 如权利要求10所述的显示面板，其中，所述极性负离子基团选自COO -、O -和CO -。
  12. 如权利要求10所述的显示面板，其中，所述有机阳离子聚合物选自聚二烯丙基二甲基卤化铵、聚卤化己二甲铵、聚丙烯酰胺和聚羟乙基纤维素醚季铵盐。
  13. 如权利要求10所述的显示面板，其中，所述疏水性阴离子化合物的结构式为C nX 2n-1O 2Y，其中n≥6，X为卤族元素，Y为碱金属。
  14. 一种显示面板的制备方法，其包括：
    提供一基板；
    在所述基板上形成封装层；
    在所述封装层上形成黑色矩阵层，所述黑色矩阵层包括通孔，所述通孔贯通所述黑色矩阵层以暴露所述封装层；
    在所述黑色矩阵层表面形成憎油层，包括：
    在所述黑色矩阵层表面形成极性负离子基团，形成第一中间产品；
    将所述第一中间产品置于包括第一化合物的水溶液中，使所述第一化合物吸附于所述黑色矩阵层表面的极性负离子基团，形成第二中间产品，所述第一化合物为有机阳离子聚合物；
    将所述第二中间产品置于包括第二化合物的水溶液中，使第二化合物吸附于所述第一化合物，所述第一化合物和所述第二化合物形成憎油层，所述第二化合物为疏水性阴离子化合物。
  15. 如权利要求14所述的显示面板的制备方法，其中，所述将所述第一中间产品置于包括第一化合物的水溶液中，使所述第一化合物吸附于所述黑色矩阵层表面的极性负离子基团，形成第二中间产品的步骤中，包括：
    将所述第一中间产品置于包括第一化合物的水溶液中，使所述第一化合物吸附于所述黑色矩阵层表面的极性负离子基团的步骤之后，再放置于乙醇和水混合溶液中，形成第二中间产品。
  16. 如权利要求14所述的显示面板的制备方法，其中，所述将所述第二中间产品置于包括第二化合物的水溶液中，使第二化合物吸附于所述第一化合物，所述第一化合物和所述第二化合物形成憎油层的步骤中，包括：
    将所述第二中间产品置于包括第二化合物的水溶液中，使第二化合物吸附于所述第一化合物的步骤之后，再放置于无水乙醇中，形成所述憎油层。
  17. 如权利要求14所述的显示面板的制备方法，其中，所述第一化合物水溶液的质量分数为0.1%-40%，所述第二化合物水溶液的质量分数为5%-50%。
PCT/CN2020/098146 2020-06-02 2020-06-24 显示面板及其制备方法 Ceased WO2021243770A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US17/053,186 US11991912B2 (en) 2020-06-02 2020-06-24 Display panel and manufacturing method thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202010490533.8A CN111725420B (zh) 2020-06-02 2020-06-02 显示面板及其制备方法
CN202010490533.8 2020-06-02

Publications (1)

Publication Number Publication Date
WO2021243770A1 true WO2021243770A1 (zh) 2021-12-09

Family

ID=72565571

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2020/098146 Ceased WO2021243770A1 (zh) 2020-06-02 2020-06-24 显示面板及其制备方法

Country Status (3)

Country Link
US (1) US11991912B2 (zh)
CN (1) CN111725420B (zh)
WO (1) WO2021243770A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113241360B (zh) * 2021-05-17 2023-09-05 武汉华星光电半导体显示技术有限公司 一种oled显示面板及oled显示面板的制备方法

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006184535A (ja) * 2004-12-27 2006-07-13 Sharp Corp ブラックマトリクス基板の製造方法および多層体の製造方法
CN107248523A (zh) * 2017-07-31 2017-10-13 深圳市华星光电技术有限公司 像素界定层及其制造方法
CN110459573A (zh) * 2019-08-20 2019-11-15 昆山工研院新型平板显示技术中心有限公司 显示面板、显示面板的制作方法及显示装置
CN110928025A (zh) * 2019-11-26 2020-03-27 Tcl华星光电技术有限公司 彩膜基板及其制作方法、显示装置
CN110970308A (zh) * 2018-09-30 2020-04-07 中国科学院苏州纳米技术与纳米仿生研究所 薄膜晶体管及其异质结有源层的制作方法
CN111146255A (zh) * 2019-12-13 2020-05-12 云谷（固安）科技有限公司 显示面板、显示面板的制备方法和显示装置

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7879390B2 (en) * 2007-05-30 2011-02-01 Palo Alto Research Center Incorporated Surface energy control methods for color filter printing
JP2010286615A (ja) * 2009-06-10 2010-12-24 Sony Corp 光学部品の製造方法、光学部品、表示装置の製造方法および表示装置
CN103861465B (zh) * 2014-03-21 2015-12-30 东华大学 一种疏水性分离膜材料表面超亲水改性的方法
CN103992728A (zh) * 2014-04-17 2014-08-20 京东方科技集团股份有限公司 导电材料及配制方法、彩色滤光片及制备方法、显示装置
KR102386848B1 (ko) * 2015-04-13 2022-04-15 삼성디스플레이 주식회사 표시장치 및 그 제조방법
CN108919550A (zh) * 2018-07-18 2018-11-30 深圳市华星光电技术有限公司 彩膜基板及其制作方法、液晶面板
CN110048029B (zh) * 2019-03-27 2022-04-12 武汉华星光电半导体显示技术有限公司 显示面板制造方法及其显示面板
CN110246872B (zh) * 2019-04-26 2021-09-07 昆山工研院新型平板显示技术中心有限公司 显示面板和显示装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006184535A (ja) * 2004-12-27 2006-07-13 Sharp Corp ブラックマトリクス基板の製造方法および多層体の製造方法
CN107248523A (zh) * 2017-07-31 2017-10-13 深圳市华星光电技术有限公司 像素界定层及其制造方法
CN110970308A (zh) * 2018-09-30 2020-04-07 中国科学院苏州纳米技术与纳米仿生研究所 薄膜晶体管及其异质结有源层的制作方法
CN110459573A (zh) * 2019-08-20 2019-11-15 昆山工研院新型平板显示技术中心有限公司 显示面板、显示面板的制作方法及显示装置
CN110928025A (zh) * 2019-11-26 2020-03-27 Tcl华星光电技术有限公司 彩膜基板及其制作方法、显示装置
CN111146255A (zh) * 2019-12-13 2020-05-12 云谷（固安）科技有限公司 显示面板、显示面板的制备方法和显示装置

Also Published As

Publication number Publication date
US20220285444A1 (en) 2022-09-08
CN111725420B (zh) 2021-08-03
US11991912B2 (en) 2024-05-21
CN111725420A (zh) 2020-09-29

Similar Documents

Publication Publication Date Title
JP4960434B2 (ja) 有機発光表示装置及びその製造方法
CN104752490B (zh) 一种有机发光二极管显示面板及其制作方法、显示装置
TWI617521B (zh) 附有被覆膜之玻璃基板及其製造方法
CN105932037B (zh) 一种有机电致发光显示基板及其制备方法、显示装置
US20160358987A1 (en) Pixel defining layer, organic electroluminescent device and display device
CN107565063A (zh) Oled背板的制作方法与oled面板的制作方法
CN104409647A (zh) 一种像素单元及其制作方法、发光器件、显示装置
CN106784402A (zh) 一种非光刻像素bank的制备及其印刷显示应用方法
WO2021243770A1 (zh) 显示面板及其制备方法
CN109461846A (zh) 一种基于喷墨打印的像素界定层及其制备方法
CN107966865A (zh) 阵列基板的制作方法、阵列基板及显示面板
CN104576968A (zh) 一种oled器件及其制备方法、显示基板和显示装置
CN102981306B (zh) 一种彩色滤光片的制作方法
CN101055830A (zh) 自限定边界的薄膜图形制备方法
CN105118932B (zh) 像素储墨槽的制备方法及应用
CN109313868A (zh) 显示装置制造方法
WO2021208148A1 (zh) 一种光刻胶、显示面板和显示装置
CN111341934A (zh) 显示面板及显示面板的制备方法
WO2014098157A1 (ja) 膜形成方法、導電膜、及び絶縁膜
KR20190062941A (ko) 반투과 도전성 금속메쉬필름의 제조방법 및 이를 통해 제조된 반투과 도전성 금속메쉬필름
KR101925305B1 (ko) 금속 나노 입자를 함유한 전도성 고분자 전극 형성 방법 및 에칭액
US11302876B2 (en) Organic light emitting diode display panel and method of manufacturing same
KR20150134890A (ko) 패터닝된 은나노와이어 투명전극의 제조방법
WO2014098230A1 (ja) 膜形成方法、導電膜、及び絶縁膜
CN103803812A (zh) 一种减反射光学膜材料及其制备方法

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: 20939195

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: 20939195

Country of ref document: EP

Kind code of ref document: A1