Fluorenyl β-oxime ester compounds, photopolymerization initiator and photoresist composition containing the same

Patent metadata

Field	Value
Publication number	US-9873663-B2
Application number	US-201515112087-A
Country	US
Kind code	B2
Filing date	Jan 19, 2015
Priority date	Jan 17, 2014
Publication date	Jan 23, 2018
Grant date	Jan 23, 2018

Abstract

The present invention relates to a novel β-oximester fluorene derivative compound, a photopolymerization initiator comprising the same, and a photoresist composition.

First claim

What is claimed is:

1. A fluorenyl β-oxime ester derivative compound of Formula 1:

wherein R 1 to R 10 are each independently hydrogen, halogen, an alkyl group having 1-20 carbon atoms, an aryl group having 6-20 carbon atoms, an alkoxy group having 1-20 carbon atoms, an arylalkyl group having 7-40 carbon atoms, a hydroxyalkyl group having 1-20 carbon atoms, a hydroxyalkoxyalkyl group having 2-40 carbon atoms or a cycloalkyl group having 3-20 carbon atoms.

2. The fluorenyl β-oxime ester derivative compound according to claim 1 , wherein the R 1 to R 10 are each independently hydrogen, bromo, chloro, iodo, a methyl group, an ethyl group, an n-propyl group, an i-propyl group, an n-butyl group, an i-butyl group, a t-butyl group, an n-pentyl group, an i-pentyl group, an n-hexyl group, an, i-hexyl group, a phenyl group, a naphthyl group, a biphenyl group, a terphenyl group, an antryl group, an indenyl group, a phenanthryl group, a methoxy group, an ethoxy group, an n-propyloxy group, an i-propyloxy group, an n-butoxy group, an i-butoxy group, a t-butoxy group, a hydroxymethyl group, a hydroxyethyl group, a hydroxyn-propyl group, a hydroxyn-butyl group, a hydroxyl i-butyl group, a hydroxyl n-pentyl group, a hydroxyl i-pentyl group, a hydroxyl n-hexyl group, a hydroxyl i-hexyl group, a hydroxymethoxymethyl group, a hydroxymethoxyethyl group, a hydroxymethoxypropyl group, a hydroxymethoxybutyl group, a hydroxyethoxymethyl group, a hydroxyethoxyethyl group, a hydroxyethoxypropyl group, a hydroxyethoxybutyl group, a hydroxyethoxypentyl group or a hydroxyethoxyhexyl group.

3. The fluorenyl β-oxime ester derivative compound according to claim 1 , wherein the R 1 is hydrogen, a methyl group, an ethyl group, a propyl group, or a butyl group; the R 2 is a methyl group, an ethyl group, or a propyl group; the R 3 is a methyl group, an ethyl group, a propyl group, or a butyl group; and the R 4 to R 10 are hydrogen.

4. A photopolymerization initiator comprising the fluorenyl β-oxime ester derivative compound of claim 1 as an active ingredient.

5. A photoresist composition comprising the fluorenyl β-oxime ester derivative compound of claim 1 , an acrylic polymer or an acrylic polymer having an acrylic unsaturated bond on a side chain, a polymerizable compound having an ethylenically unsaturated bond, and a solvent.

6. The photoresist composition according to claim 5 , wherein the photoresist composition comprises 0.01 to 10 wt % of a fluorenyl β-oxime ester derivative compound, 3 to 50 wt % of an acrylic polymer or an acrylic polymer having an acrylic unsaturated bond on a side chain, 0.001 to 40 wt % of a polymerizable compound having an ethylenically unsaturated bond, and 10 to 95 wt % of a solvent.

7. The photoresist composition according to claim 5 , wherein the photoresist composition further comprises carbon black.

8. The photoresist composition according to claim 5 , wherein the photoresist composition further comprises a colorant.

9. A molded product formed by coating the photoresist composition of claim 5 .

10. The molded product according to claim 9 , wherein the molded product is a black matrix or a color filter.

Assignees

• Samyang Corp
• Korea Res Inst Chemical Tech

Inventors

• Oh Chun-Rim
• Lee Min-Sun
• Lee Won-Jung
• Cho Yong-Il
• Shin Seung-Rim
• Shin Jong-Il
• Lee Sang-Oh
• Jun Kun

Classifications

• G03F7/0007

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

• G03F7/033

  the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers · CPC title

• G02B5/223

  containing organic substances, e.g. dyes, inks or pigments · CPC title

• C07C251/66 Primary

  with the esterifying carboxyl groups bound to hydrogen atoms, to acyclic carbon atoms or to carbon atoms of rings other than six-membered aromatic rings · CPC title

• G03F7/0045

  with organic non-macromolecular light-sensitive compounds not otherwise provided for, e.g. dissolution inhibitors · CPC title