Dye and dye composition

Patent metadata

Field	Value
Publication number	US-10428219-B2
Application number	US-201715446760-A
Country	US
Kind code	B2
Filing date	Mar 1, 2017
Priority date	Mar 2, 2016
Publication date	Oct 1, 2019
Grant date	Oct 1, 2019

Abstract

A dye according to an exemplary embodiment of the present invention includes a compound represented by the following Chemical Formula 1.

In Chemical Formula 1, R1, R4, R5, R8, R9, R12, R13, and R16 are each independently Br or Cl, R2, R3, R6, R7, R10, R11, R14, and R15 are each independently any one of a group including Br, Cl, and a hydroxyl group, a group including an —N(H)n group, and a group including an —SH group, n is 1 to 3, and at least one of the R2, R3, R6, R7, R10, R11, R14, and R15 is any one of a group including a hydroxyl group, a group including an —N(II)n group, and a group including an —SH group.

First claim

What is claimed is:

1. A dye comprising a compound represented by the following Chemical Formula 1:

wherein, in Chemical Formula 1,
R1, R4, R5, R8, R9, R12, R13, and R16 are each independently Br or Cl,
R2, R3, R6, R7, R10, R11, R14, and R15 are each independently any one of a group including Br, Cl, and a hydroxyl group, and a group including an —SH group, and
at least one of the R2, R3, R6, R7, R10, R11, R14, and R15 is any one of ethylene glycol, polyvinyl alcohol, and a group including an —SH group.

2. The dye of claim 1 , wherein
the compound of Chemical Formula 1 comprises a compound represented by the following Chemical Formula 1-1:

3. The dye of claim 1 , wherein
the compound of Chemical Formula 1 comprises a compound represented by the following Chemical Formula 1-2:

wherein PVA represents polyvinyl alcohol.

4. A dye composition comprising:
a dye comprising a compound represented by the following Chemical Formula 1;
a yellow dye or a yellow pigment; and
a cyan dye or a cyan pigment:

wherein, in Chemical Formula 1,
R1, R4, R5, R8, R9, R12, R13, and R16 are each independently Br or Cl,
R2, R3, R6, R7, R10, R11, R14, and R15 are each independently any one of a group including Br, Cl, and a hydroxyl group, a group including an —N(H)n group, and a group including an —SH group,
n is 1 to 3, and
at least one of the R2, R3, R6, R7, R10, R11, R14, and R15 is any one of a group including a hydroxyl group, a group including an —N(H)n group, and a group including an —SH group.

5. The dye composition of claim 4 , wherein:
a content of the yellow dye is about 5 wt % to 15 wt %;
a content of the cyan dye is about 0.2 wt % to 1 wt %; and
the dye comprising the compound represented by Chemical Formula 1 is comprised by the dye composition so that total content of the dye composition is 100 wt %.

6. The dye composition of claim 4 , wherein
the dye composition has a transmittance central wavelength of about 530 nm and a full width at half maximum (FWHM) of about 100 nm.

7. The dye composition of claim 4 , wherein
the group including a hydroxyl group comprises ethylene glycol and polyvinyl alcohol.

8. The dye composition of claim 7 , wherein
the compound of Chemical Formula 1 comprises a compound represented by the following Chemical Formula 1-1:

9. The dye composition of claim 7 , wherein
the compound of Chemical Formula 1 comprises a compound represented by the following Chemical Formula 1-2:

wherein PVA represents polyvinyl alcohol.

10. The dye composition of claim 4 , wherein
the cyan dye has an absorption central wavelength of about 635 nm to 665 nm.

11. The dye composition of claim 5 , wherein
the yellow dye has transmittance of less than 1% for a wavelength of about 460 nm or less.

12. The dye composition of claim 4 , wherein
the dye composition has transmittance of less than 1% for a wavelength of about 600 nm or greater.

13. The dye composition of claim 4 , wherein
the dye composition has transmittance of less than 1% for a wavelength of about 440 nm or less.

14. A dye composition for a color filter of a display device comprising a compound represented by the following Chemical Formula 1A:

wherein, in Chemical Formula 1A,
R1, R4, R5, R8, R9, R12, R13, and R16 are each independently Br or Cl,
R2, R3, R6, R7, R10, R11, R14, and R15 are each independently any one of a group including Br, Cl, and a hydroxyl group, a group including an —NH 2 group, and an ═NH group, and a group including an —SH group,
at least one of the R2, R3, R6, R7, R10, R11, R14, and R15 is any one of a group including a hydroxyl group, a group including an —NH 2 group, and an ═NH group, and a group including an —SH group, and
M is one of Fe, Co, Ni, Cu, Zn, and Mg,
wherein the group including a hydroxyl group comprises ethylene glycol and polyvinyl alcohol.

15. A dye composition for a color filter of a display device comprising a compound represented by the following Chemical Formula 1A-2:

wherein PVA represents polyvinyl alcohol.

16. The dye composition of claim 14 , further comprising a yellow dye having transmittance of less than 1% for a wavelength of about 460 nm or less.

17. The dye composition of claim 14 , further comprising a cyan dye having an absorption in a range from about 635 nm to about 665 nm.

Assignees

• Samsung Display Co Ltd

Inventors

• Kim Hyun Jin
• Kim Su Jeong
• Lee Dae Won
• Lee Myung Jin
• Huh Chul

Classifications

• G02B5/223

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

• C09B47/18

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

• C09B47/0675 Primary

  having oxygen or sulfur linked directly to the skeleton · CPC title

• C09B47/063

  having oxygen or sulfur atom(s) linked directly to the skeleton · CPC title

• C09B47/10

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