Photosensitive composition, color filter, pattern forming method, solid-state imaging device, and image display device

Patent metadata

Field	Value
Publication number	US-11009739-B2
Application number	US-201816137856-A
Country	US
Kind code	B2
Filing date	Sep 21, 2018
Priority date	Mar 25, 2016
Publication date	May 18, 2021
Grant date	May 18, 2021

Abstract

Provided are a photosensitive composition capable of forming a cured film having excellent adhesiveness and pattern forming properties, a color filter, a pattern forming method, a solid-state imaging device, and an image display device. The photosensitive composition includes a photopolymerization initiator I, a polymerizable monomer M having two or more groups having an ethylenically unsaturated double bond, and a halogenated zinc phthalocyanine, in which the polymerizable monomer M contains a polymerizable monomer M1 having three groups having an ethylenically unsaturated double bond, the photopolymerization initiator I contains a photopolymerization initiator I1 having a molar light absorption coefficient at a wavelength of 365 nm of 12,000 L·mol−1·cm−1 or more, and the ratio of the mass of the photopolymerization initiator I to the mass of the polymerizable monomer M is 0.15 or less in terms of the mass of the photopolymerization initiator I/the mass of the polymerizable monomer M.

First claim

What is claimed is:

1. A photosensitive composition comprising:
a photopolymerization initiator I;
a polymerizable monomer M having two or more groups having an ethylenically unsaturated double bond; and
a halogenated zinc phthalocyanine,
wherein the polymerizable monomer M contains a polymerizable monomer M 1 having three groups having an ethylenically unsaturated double bond,
the photopolymerization initiator I includes a photopolymerization initiator I 1 having a molar light absorption coefficient at a wavelength of 365 nm of 12,000 L·mol −1 ·cm −1 or more, and
the ratio of the mass of the photopolymerization initiator I to the mass of the polymerizable monomer M is 0.15 or less in terms of the mass of the photopolymerization initiator I/the mass of the polymerizable monomer M.

2. The photosensitive composition according to claim 1 ,
wherein the polymerizable monomer M contains 50% to 100% by mass of the polymerizable monomer M 1 .

3. The photosensitive composition according to claim 1 ,
wherein the polymerizable monomer M 1 has an alkyleneoxy group.

4. The photosensitive composition according to claim 1 ,
wherein the photopolymerization initiator I 1 includes at least one selected from an oxime compound having a nitro group and an oxime compound having a naphthalene ring.

5. The photosensitive composition according to of claim 1 ,
wherein the photopolymerization initiator I 1 contains a compound represented by Formula (I-1),

in Formula (I-1), Ar 1 and Ar 2 each independently represent an aromatic ring,
Ar 3 represents an aryl group,
R 2 and R 3 each independently represent an alkyl group or an aryl group, and
at least one of Ar 1 to Ar 3 , R 2 , and R 3 has a fluorine atom, a group including a fluorine atom, or a nitro group as a substituent.

6. The photosensitive composition according to claim 1 ,
wherein the polymerizable monomer M contains 50% by mass or less of a polymerizable monomer M 2 having four or more groups having an ethylenically unsaturated double bond.

7. A color filter using the photosensitive composition according to claim 1 .

8. A solid-state imaging device comprising the color filter according to claim 7 .

9. An image display device comprising the color filter according to claim 7 .

10. A pattern forming method comprising:
forming a photosensitive composition layer on a support, using the photosensitive composition according to claim 1 ;
patternwise-exposing the photosensitive composition layer; and
removing the unexposed area by development to form a pattern.

11. The pattern forming method according to claim 10 ,
wherein the exposure is carried out with i-rays.

Assignees

• Fujifilm Corp

Inventors

• Kitajima Shunsuke

Classifications

• G03F7/105

  having substances, e.g. indicators, for forming visible images · CPC title

• G03F7/0007

  Filters, e.g. additive colour filters; Components for display devices · CPC title

• G03F7/027 Primary

  Non-macromolecular photopolymerisable compounds having carbon-to-carbon double bonds, e.g. ethylenic compounds (G03F7/075 takes precedence) · CPC title

• G02B5/20

  Filters (polarising elements G02B5/30) · CPC title

• C09B47/10

  Obtaining compounds having halogen atoms directly bound to the phthalocyanine skeleton · CPC title