Photosensitive resin composition for color filter and color filter using the same

Patent metadata

Field	Value
Publication number	US-10011672-B2
Application number	US-201314101389-A
Country	US
Kind code	B2
Filing date	Dec 10, 2013
Priority date	May 16, 2013
Publication date	Jul 3, 2018
Grant date	Jul 3, 2018

Abstract

A photosensitive resin composition for a color filter includes (A) a yellow or orange dye; (B) a dye combination of a cyanine dye represented by the following Chemical Formula 1, wherein in Chemical Formula 1, each substituent is the same as described in the detailed description, and a metal complex dye; (C) an acrylic-based binder resin; (D) a photopolymerizable monomer; (E) a photopolymerization initiator; and (F) a solvent, and a color filter using the same.

First claim

What is claimed is:

1. A photosensitive resin composition for a color filter, comprising:
(A) about 0.1 wt % to about 5 wt % of a yellow or orange dye;
(B) about 1 wt % to about 40 wt % of a dye combination of a cyanine dye represented by the following Chemical Formula 1 and a metal complex dye;
(C) about 0.1 wt % to about 30 wt % of an acrylic-based binder resin;
(D) about 0.1 wt % to about 30 wt % of a photopolymerizable monomer;
(E) about 0.1 wt % to about 5 wt % of a photopolymerization initiator; and
(F) a balance amount of a solvent:

wherein, in the above Chemical Formula 1,
X 1 and X 2 are the same or different and are each independently carbon, nitrogen, oxygen or sulfur,
R1 to R4 and R11 to R14 are the same or different and are each independently hydrogen, halogen, substituted or unsubstituted C1 to C20 alkyl, substituted or unsubstituted C1 to C20 haloalkyl, substituted or unsubstituted C1 to C20 alkoxy, substituted or unsubstituted C2 to C20 alkenyl, substituted or unsubstituted C2 to C20 alkynyl, substituted or unsubstituted C3 to C20 cycloalkyl, substituted or unsubstituted C3 to C20 cycloalkenyl, substituted or unsubstituted C3 to C20 cycloalkynyl, substituted or unsubstituted C2 to C20 heterocycloalkyl, substituted or unsubstituted C2 to C20 heterocycloalkenyl, substituted or unsubstituted C2 to C20 heterocycloalkynyl, substituted or unsubstituted C6 to C30 aryl, substituted or unsubstituted C2 to C30 heteroaryl, or substituted or unsubstituted C1 to C20 alkyl(meth)acrylate,
R5, R6, R8 and R9 are the same or different and are each independently hydrogen or substituted or unsubstituted C1 to C20 alkyl,
R7 and R10 are the same or different and are each independently hydrogen, substituted or unsubstituted C1 to C20 alkyl, substituted or unsubstituted C1 to C20 alkyl(meth)acrylate, or substituted or unsubstituted C6 to C30 aryl,
n is an integer ranging from 1 to 4,
a, b, c and d are the same or different and are each independently 0 or 1,
A is a halogen ion, ClO 4 − , BF 4 − , SbF 6 − , CF 3 SO 3 − , N(SO 2 CF 3 ) 2 − or one of compounds represented by the following Chemical Formulae 2-1 and 2-2:

2. The photosensitive resin composition for a color filter of claim 1 , wherein the yellow or orange dye has a transmittance of about 0% to about 40% in an about 380 nm to about 500 nm wavelength region, and a transmittance of about 50% to about 100% in an about 570 nm to about 590 nm wavelength region.

3. The photosensitive resin composition for a color filter of claim 1 , wherein the yellow or orange dye includes a direct dye, acidic dye, basic dye, acidic mordant dye, sulfur dye, reduction dye, azoic dye, disperse dye, reactivity dye, oxidation dye, alcohol soluble dye, azo dye, anthraquinone dye, indigoid dye, carbonium ion dye, phthalocyanine dye, nitro dye, quinoline dye, cyanine dye, methine dye, or a combination thereof.

4. The photosensitive resin composition for a color filter of claim 1 , wherein the yellow or orange dye includes solvent yellow 19, solvent yellow 21, solvent yellow 25, solvent yellow 79, solvent yellow 82, solvent yellow 88, solvent orange 45, solvent orange 54, solvent orange 62, solvent orange 99, or a combination thereof.

5. The photosensitive resin composition for a color filter of claim 1 , wherein the yellow or orange dye has a transmittance of about 0% to about 1% in an about 380 nm to about 450 nm wavelength region, and a transmittance of about 1% to about 100% in an about 450 nm to about 550 nm wavelength region.

6. The photosensitive resin composition for a color filter of claim 1 , wherein R5, R6, R8, and R9 in the above Chemical Formula 1 are hydrogen or substituted or unsubstituted C1 to C20 alkyl.

7. The photosensitive resin composition for a color filter of claim 1 , wherein R7 and R10 in the above Chemical Formula 1 are independently hydrogen, substituted or unsubstituted C1 to C20 alkyl, substituted or unsubstituted C1 to C20 alkyl(meth)acrylate, or substituted or unsubstituted C6 to C30 aryl.

8. The photosensitive resin composition for a color filter of claim 1 , wherein, in the above Chemical Formula 1, A is CF 3 SO 3 − or N(SO 2 CF 3 ) 2 − .

9. The photosensitive resin composition for a color filter of claim 1 , wherein the cyanine dye represented by the above Chemical Formula 1 re-emits light in a wavelength of about 400 nm to about 700 nm.

10. The photosensitive resin composition for a color filter of claim 1 , wherein the cyanine dye is a red dye.

11. The photosensitive resin composition for a color filter of claim 1 , wherein the metal complex dye has a maximum absorption peak in the wavelength of about 200 nm to about 650 nm.

12. The photosensitive resin composition for a color filter of claim 1 , wherein the metal complex dye comprises a metal ion comprising Mg, Ni, Cu, Co, Zn, Cr, Pt, Pd, Fe, or a combination thereof.

13. The photosensitive resin composition for a color filter of claim 1 , wherein the metal complex dye comprises a composite of a metal ion and solvent yellow 19, solvent yellow 21, solvent yellow 25, solvent yellow 79, solvent yellow 82, solvent yellow 88, solvent orange 45, solvent orange 54, solvent orange 62, solvent orange 99, solvent red 8, solvent red 32, solvent red 109, solvent red 112, solvent red 119, solvent red 124, solvent red 160, solvent red 132, solvent red 218, or a combination thereof.

14. The photosensitive resin composition for a color filter of claim 1 , wherein the photosensitive resin composition for a color filter further comprises a pigment.

15. The photosensitive resin composition for a color filter of claim 14 , wherein the pigment comprises C.I. pigment red 242, C.I. pigment red 214, C.I. pigment red 221, C.I. pigment red 166, C.I. pigment red 220, C.I. pigment red 248, C.I. pigment red 262, C.I. pigment red 254, C.I. pigment red 177, C.I. yellow pigment 150, or a combination thereof.

16. The photosensitive resin composition for a color filter of claim 14 , wherein the photosensitive resin composition for a color filter comprises the cyanine dye and the pigment at a weight ratio of about 1:9 to about 9:1.

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

18. The color filter of claim 17 , wherein the color filter is applied to a LED light source.

19. The photosensitive resin composition for a color filter of claim 1 , comprising (B) about 1 wt % to about 20 wt % of the dye combination of the cyanine dye represented by Chemical Formula 1 and the metal complex dye.

Assignees

• Samsung Sdi Co Ltd

Inventors

• Lee In-Jae
• Kim Dong-Wan
• Kim Ji-Hong
• Ryu Jee-Hyun
• Jeong Ji-Young
• Choi Seung-Jib

Classifications

• C09D4/06

  {Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond} in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00 · CPC title

• C08F220/00 Primary

  Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof · CPC title

• C09D133/08

  Homopolymers or copolymers of acrylic acid esters · CPC title

• C08F222/1006 Primary

  of polyhydric alcohols or polyhydric phenols · CPC title

• C08F222/106

  Esters of polycondensation macromers · CPC title