Photosensitive resin composition, photosensitive resin coating, photosensitive dry film, and black matrix
AssigneeShin-Etsu Chemical Co., Ltd.
InventorsHitoshi Maruyama, Tamotsu Oowada
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Abstract
A black photosensitive resin composition comprising (A) an acid crosslinkable group-containing silicone resin, (B) carbon black, and (C) a photoacid generator is coated onto a substrate to form a photosensitive resin coating which has improved reliability with respect to adhesion and crack resistance, resolution and flexibility while maintaining satisfactory light shielding properties.
Claims17
A photosensitive resin composition comprising (A) a base resin comprising an acid crosslinkable group-containing silicone resin, (B) carbon black, and (C) a photoacid generator,
- wherein the acid crosslinkable group is a phenolic hydroxyl group or epoxy group,
- wherein the silicone resin comprises recurring units having the formula (a1) and recurring units having the formula (b1):
- wherein R1 to R4 are each independently a C1-C8 monovalent hydrocarbon group, m is an integer of 0 to 600, and X1 is a divalent group having the formula (X1):
- wherein Y1 is a single bond, methylene, propane-2,2-diyl, 1,1,1,3,3,3-hexafluoropropane-2,2-diyl or fluorene-9,9-diyl group, R11 and R12 are each independently hydrogen or methyl, R13 and R14 are each independently a C1-C4 alkyl or C1-C4 alkoxy group, a1 and a2 are each independently an integer of 0 to 7, b1 and b2 are each independently an integer of 0 to 2.
The photosensitive resin composition of comprising (A) a base resin comprising an acid crosslinkable group-containing silicone resin, (B) carbon black, and (C) a photoacid generator, wherein the acid crosslinkable group is a phenolic hydroxyl group or epoxy group, wherein the silicone resin comprises recurring units having the formula (a2) and recurring units having the formula (b2):
- wherein R1 to R4 are each independently a C1-C8 monovalent hydrocarbon group, m is an integer of 0 to 600, and X2 is a divalent group having the formula (X2):
- wherein Y2 is a single bond, methylene, propane-2,2-diyl, 1,1,1,3,3,3-hexafluoropropane-2,2-diyl or fluorene-9,9-diyl group, R21 and R22 are each independently hydrogen or methyl, R23 and R24 are each independently a C1-C4 alkyl or C1-C4 alkoxy group, c1 and c2 are each independently an integer of 0 to 7, d1 and d2 are each independently an integer of 0 to 2.
Dependencies are inferred from the claim text.