Photosensitive Resin Composition for Color Filter and Color Filter Using the Same

• US 20140349220A1
• Filed: 05/17/2012
• Published: 11/27/2014
• Est. Priority Date: 12/22/2011
• Status: Active Grant

• Current Assignee: Cheil Industries Incorporated (Samsung Group)
• Original Assignee: Cheil Industries Incorporated (Samsung Group)
• Inventors: Moon, Kyung-Soo, Kim, Seung-Hyun, Kim, Jae-Hyun, Shin, Myoung-Youp, Won, Dong-Hoon, Cheon, Hwan-Sung
• Granted Patent: US 9,182,667 B2
• Time in Patent Office: Days
• US Class Current: 430/7
• CPC Class Codes: G02B 5/201 in the form of arrays
• CPC Class Codes: G02B 5/223 containing organic substances, e.g. dyes, inks or pigments
• CPC Class Codes: G03F 7/0007 Filters, e.g. additive colour filters; Components for display devices
• CPC Class Codes: G03F 7/031 Organic compounds not covered by group G03F7/029
• CPC Class Codes: G03F 7/033 the binders being polymers obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. vinyl polymers
• CPC Class Codes: G03F 7/105 having substances, e.g. indicators, for forming visible images

Abstract

Disclosed are a photosensitive resin composition for a color filter that includes (A) a squaraine dye including at least one selected from compounds represented by the following Chemical Formulae 1 and 2, (B) an alkali soluble resin, (C) a photopolymerizable monomer, (D) a photopolymerization initiator, and (E) a solvent, and a color filter using the same.

Claims

1. A photosensitive resin composition for a color filter, comprising:

(A) a squaraine dye including at least one selected from compounds represented by the following Chemical Formulae 1 and 2;

(B) an alkali soluble resin;

(C) a photopolymerizable monomer;

(D) a photopolymerization initiator; and

(E) a solvent;

2. The photosensitive resin composition for a color filter of claim 1, wherein the squaraine dye comprises at least one selected from the compounds represented by the following Chemical Formulae 3 to 8:

3. The photosensitive resin composition for a color filter of claim 1, wherein the squaraine dye has a maximum absorption peak at a wavelength of 600 to 800 nm.

4. The photosensitive resin composition for a color filter of claim 1, wherein the photosensitive resin composition for a color filter comprises:

(A) 0.5 to 10 wt % of the squaraine dye;

(B) 0.1 to 30 wt % of the alkali soluble resin;

(C) 0.1 to 30 wt % of the photopolymerizable monomer;

(D) 0.1 to 5 wt % of the photopolymerization initiator; and

(E) a balance amount of a solvent.

5. A color filter manufactured using the photosensitive resin composition for a color filter according to claim 1.