METHOD FOR PREPARING ALKALI-SOLUBLE RESIN, METHOD FOR PRODUCING PHOTOSENSITIVE RESIN COMPOSITION, METHOD FOR MANUFACTURING CURED PRODUCT, AND METHOD FOR MANUFACTURING IMAGE DISPLAY DEVICE

Japanese Patent JP2022150019

A

To stabilize quality of a cured product formed of a photosensitive resin composition such as a black matrix.SOLUTION: A method for preparing an alkali-soluble resin used in a photosensitive resin composition includes the steps of: preparing a plurality of photosensitive resin compositions for evaluation which contain an alkali-soluble resin (a-1) and an alkali-soluble resin (a-2) in any mixing ratio of 0/100 to 100/0 (mass ratio) and have mutually different mixing ratios; evaluating developability for each of the plurality of photosensitive resin compositions for evaluation; and determining a mixing ratio of the alkali-soluble resin (a-1) and the alkali-soluble resin (a-2) from the result of the developability evaluation, mixing the alkali-soluble resin (a-1) and the alkali-soluble resin (a-2) in the determined mixing ratio, and preparing the alkali-soluble resin.SELECTED DRAWING: None

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MIYAZAKI TAKAHIRO
AZUMA NAOTO
NOGUCHI TAKASHI
SUNADOME TOMOKO
IKEDA MASAAKI
NAKATANI KAZUHIRO

JP2021052411A

October 07, 2022

March 25, 2021

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MITSUBISHI CHEM CORP

G02B5/20; G03F7/004

Masahiro Taguchi
Shigeo Torayama

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