Compound, photosensitive resin composition including the same, photosensitive resin layer, color filter and display device

Patent metadata

Field	Value
Publication number	US-11852971-B2
Application number	US-202017082384-A
Country	US
Kind code	B2
Filing date	Oct 28, 2020
Priority date	Oct 29, 2019
Publication date	Dec 26, 2023
Grant date	Dec 26, 2023

Abstract

A phthalocyanine compound a photosensitive resin composition including the same, a photosensitive resin layer produced using the photosensitive resin composition, a color filter including the photosensitive resin layer, and a display device including the color filter, the phthalocyanine compound exhibiting a shortest wavelength of a full width at half maximum (FWHM) with respect to a maximum absorption wavelength in a range of about 600 nm to about 620 nm.

First claim

What is claimed is:

1. A phthalocyanine compound exhibiting a shortest wavelength of a full width at half maximum (FWHM) with respect to a maximum absorption wavelength in a range of about 600 nm to about 620 nm, wherein:
the phthalocyanine compound is represented by Chemical Formula 1:

in Chemical Formula 1,
R 1 to R 4 are each a hydrogen atom,
R 5 to R 8 are each independently a hydrogen atom or a halogen atom, and
R 9 to R 16 are each independently a halogen atom or a group represented by Chemical Formula 2, at least one of R 9 to R 16 being a group represented by Chemical Formula 2,
*—O—R 17   [Chemical Formula 2]

in Chemical Formula 2, R 17 is a substituted or unsubstituted C1 to C20 alkyl group or an alkyl-substituted or unsubstituted C6 to C20 aryl group.

2. The compound as claimed in claim 1 , wherein:
the group represented by Chemical Formula 2 is represented by one of Chemical Formula 2-1 to Chemical Formula 2-4:

in Chemical Formula 2-1 to Chemical Formula 2-4,
R 18 and R 19 are each independently an unsubstituted C1 to C20 alkyl group,
R ° to 22 are each independently a hydrogen atom or a substituted or unsubstituted C1 to C20 alkyl group, and
L 1 is a substituted or unsubstituted C1 to C20 alkylene group.

3. The compound as claimed in claim 1 , wherein one of R 9 to R 16 is a group represented by Chemical Formula 2 and remaining ones of R 9 to R 16 are a halogen atom.

4. The compound as claimed in claim 3 , wherein:
one of R 9 to R 12 is a group represented by Chemical Formula 2 and remaining ones of R 9 to R 16 are a halogen atom, or
one of R 13 to R 16 is a group represented by Chemical Formula 2 and remaining ones of R 9 to R 16 are a halogen atom.

5. The compound as claimed in claim 4 , wherein one of R 10 , R 11 , R 14 , and R 15 is a group represented by Chemical Formula 2 and remaining ones of R 9 to R 16 are a halogen atom.

6. The compound as claimed in claim 1 , wherein two of R 9 to R 16 are groups represented by Chemical Formula 2 and remaining ones of R 9 to R 16 are a halogen atom.

7. The compound as claimed in claim 6 , wherein:
one of R 9 to R 12 is a group represented by Chemical Formula 2 and remaining ones of R 9 to R 12 are a halogen atom, and
one of R 13 to R 16 is a group represented by Chemical Formula 2 and remaining ones of R 13 to R 16 are a halogen atom.

8. The compound as claimed in claim 7 , wherein:
one of R 10 and R 11 is a group represented by Chemical Formula 2 and remaining ones of R 9 to R 12 are a halogen atom, and
one of R 14 and R 15 is a group represented by Chemical Formula 2 and remaining ones of R 13 to R 16 are a halogen atom.

9. The compound as claimed in claim 1 , wherein the compound represented by Chemical Formula 1 is a compound represented by one of Chemical Formula 1-1 to Chemical Formula 1-20:

10. The compound as claimed in claim 1 , wherein the compound is a green dye.

11. A photosensitive resin composition comprising the compound as claimed in claim 1 .

12. The photosensitive resin composition as claimed in claim 11 , wherein the compound is included in an amount of about 1 wt % to about 40 wt %, based on a total weight of the photosensitive resin composition.

13. The photosensitive resin composition as claimed in claim 11 , further comprising a binder resin, a photopolymerizable compound, a photopolymerization initiator, and a solvent.

14. The photosensitive resin composition as claimed in claim 13 , further comprising a pigment.

15. The photosensitive resin composition as claimed in claim 13 , further comprising a compound represented by Chemical Formula 3 :

wherein, in Chemical Formula 3,
R 23 and R 24 are each independently a hydroxy group or a substituted or unsubstituted C1 to C20 alkyl group, and
n1 and n2 are each independently an integer of 0 to 5, provided that 3≤n1+n2≤5.

16. A photosensitive resin layer produced using the photosensitive resin composition as claimed in claim 11 .

17. A color filter comprising the photosensitive resin layer as claimed in claim 16 .

18. A display device comprising the color filter as claimed in claim 17 .

Assignees

• Samsung Sdi Co Ltd

Inventors

• Shin Myoungyoup
• Heo Sooyoung
• Kwon Jihye
• Park Jonghee
• Kwon Chang-Hyun
• Ryu Jeehyun
• Jeong Euisoo
• Jung Juho

Classifications

• G03F7/0045 Primary

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

• C09B47/10

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

• C09B47/18

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

• G02B5/223

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

• G03F7/0007

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