Patent ID: 11914292
Assignee: ECHEM SOLUTIONS CORP.
Field: Optics (Instruments)
Classification: CPC G | IPC G

Claim 0:
1. A photosensitive resin composition for a development process, comprising:
an alkali-soluble resin (A);
an ethylenically-unsaturated monomer (B);
a photopolymerization initiator (C);
a solvent (D); and
a pigment (E),
the alkali-soluble resin (A) comprises an alkali-soluble resin (A-1) and an alkali-soluble resin (A-2), wherein the alkali-soluble resin (A-1) comprises a structural unit represented by formula (I-1) and a structural unit represented by formula (I-2), and the alkali-soluble resin (A-2) comprises a structural unit represented by formula (I-3),, in formula (I-1), R1 and R2 espectively represent a hydrogen atom or a methyl group, X1 represents ethylene, propylene, butylene, 1,2-phenylene, 1,2-cyclohexylene, 1,2-cyclohex-1-enylene, 4,5-cyclohex-1-enylene, or norbornenylene, and * represents a bonding position;, in formula (I-2), R3 and R4 espectively represent a hydrogen atom or a methyl group, and * represents a bonding position,, in formula (I-3), R8 represents a hydrogen atom or a methyl group, z represents an integer of Ito 10, and * represents a bonding position,
the photopolymerization initiator (C) comprises an acylphosphine oxide compound represented by formula (III-1),, in formula (III-1), X2, X3, and X4 respectively represent a single bond or a carbonyl group, at least one of X2, X3, and X4 is a carbonyl group, R5, R6, and R7 respectively represent an alkyl group, and m, n, and q respectively represent an integer of 0 to 5.