Liquid crystal compound, optical film, and method for producing optical film

Patent metadata

Field	Value
Publication number	US-9638849-B2
Application number	US-201514672888-A
Country	US
Kind code	B2
Filing date	Mar 30, 2015
Priority date	Mar 31, 2014
Publication date	May 2, 2017
Grant date	May 2, 2017

Abstract

An optical film of the present invention includes an optically anisotropic layer containing a compound represented by the following general formula (1) or an optically anisotropic layer formed by the curing of a polymerizable composition containing a compound represented by the following general formula (1):

First claim

What is claimed is:

1. An optical film comprising:
an optically anisotropic layer containing a compound represented by the following general formula (1) or an optically anisotropic layer formed by the curing of a polymerizable composition containing a compound represented by the following general formula (1):

wherein:
L 1 to L 6 each independently represent a single bond, —O—, —CO—, —CO—O—, —O—CO—, —NR 21 —CO—, —CO—NR 22 —, —O—CO—O—, —NR 23 —CO—O—, —O—CO—NR 24 —, —NR 25 —CO—NR 26 —, —R 1 C═CR 11 —, —R 2 C═N—, —N═N—, —CO—NR 3 —, —NR 4 —CO—, —R 5 C═N—NR 6 —, —CO—NR 7 —NR 8 —, —R 9 C═N—S—, —CO—NR 10 —S—, —CO—S—, R 11 C═N—N═, or —R 12 C═C—NR 13 —,
A 1 represents an aromatic group which may have a substituent,
A 2 and A 3 each independently represent a cyclic aliphatic group which may have a substituent,
B 1 and B 2 each independently represent a cyclic aliphatic group which may have a substituent,
Sp 1 and Sp 2 each independently represent —(CH 2 ) n —, —(CH 2 ) n —O—, —(CH 2 —O—) n —, or —(CH 2 CH 2 —O—) m ,
n represents an integer of 2 to 12,
m represents an integer of 2 to 6,
P 1 and P 2 each independently represent a polymerizable group, an alkyl group, or a hydrogen atom,
Y represents —R 1 C═CR 11 —, —R 2 C═N—, —N═N—, —CO—NR 3 —, —NR 4 —CO—, —R 5 C═N—NR 6 —, —CO—NR 7 —NR 8 —, —R 9 C═N—S—, —CO—NR 10 —S—, —CO—S—, —R 11 C═N—N═, or —R 12 C═C—NR 13 —,
R 1 to R 10 , and R 12 and R 13 each independently represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms,
R 11 represents a hydrogen atom, an ester group, an acyl group, or a cyano group,
R 21 to R 26 each represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms,
Z represents an aromatic group which may have a substituent, and
a and b each independently represent any one integer of 0 to 2.

2. The optical film according to claim 1 ,
wherein the aromatic group represented by Z is an aromatic group obtained by removing one or two hydrogen atoms from an aromatic cyclic compound represented by any one of the following Z-1 to Z-7, and
Q represents —O—, —S—, or —NR 17 —, and R 17 represents a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.

3. The optical film according to claim 1 , wherein the aromatic group represented by A 1 is a trivalent aromatic group represented by the following A1-1, A1-2, or A1-3, and *1, *2, and *Y each represent a bonding position with L 1 , L 2 , and Y.

4. The optical film according to claim 1 , wherein A 2 , A 3 , B 1 , and B 2 are each a trans-1,4-cyclohexylene group.

5. The optical film according to claim 1 , wherein Sp 1 and Sp 2 are each independently an alkylene group having 2 to 12 carbon atoms or an alkylene oxide group having 2 to 12 carbon atoms.

6. The optical film according to claim 1 , wherein L 1 and L 2 are each independently a single bond, —CO—, —CO—O—, or —O—CO—.

7. The optical film according to claim 1 , wherein L 3 and L 4 are each independently a single bond, —O—, —CO—, —CO—O—, —O—CO—, —NR 21 —CO—, —CO—NR 22 —, —O—CO—O—, —NR 23 —CO—O—, —O—CO—NR 24 —, or —NR 25 —CO—NR 26 —, and R 21 to R 26 each represent a hydrogen atom or an alkyl group having 1 to 6 carbon atoms.

8. The optical film according to claim 1 , comprising an optically anisotropic layer formed by the curing of a polymerizable composition containing the compound represented by General Formula (1),
wherein the polymerizable composition contains at least one or more asymmetric polymerizable compounds.

9. The optical film according to claim 1 , comprising an optically anisotropic layer formed by the curing of a polymerizable composition containing the compound represented by General Formula (1), and further comprising:
a photo-alignment film,
wherein the optically anisotropic layer is directly in contact with the photo-alignment film.

10. A polarizing plate comprising the optical film according to claim 1 .

11. A circularly polarizing plate comprising the optical film according to claim 1 .

12. A display apparatus comprising the optical film according to claim 1 .

13. The optical film according to claim 1 , wherein the Y—Z site has a hydrogen bonding substituent.

14. The optical film according to claim 13 ,
wherein the hydrogen bonding substituent is formed of a hydrogen bond donating group and a hydrogen bond accepting group,
the hydrogen bond donating group represents a group selected from the group consisting of an amino group, an acylamino group, an alkoxycarbonylamino group, an aryloxycarbonylamino group, a sulfonylamino group, a hydroxy group, a mercapto group, a carboxyl group, a methylene group substituted with an electron withdrawing group, and a methine group substituted with an electron withdrawing group, and
the hydrogen bond accepting group represents a group selected from the group consisting of a hetero atom having unshared electron pairs on a hetero ring contained inside, a hydroxy group, an aldehyde, a ketone, a carboxylic ester, a carboxylic amide, a lactone, a lactam, a sulfonic amide, a phosphoric amide, a urethane, a urea, an ether structure, an aliphatic amine, an aromatic amine, and a carboxylic amide.

Assignees

• Fujifilm Corp

Inventors

• Matsuyama Hiroshi
• Morishima Shinichi
• Nakazawa Yuki

Classifications

• H05B33/02

  Details · CPC title

• H10K50/868

  Arrangements for polarized light emission (H10K50/86 takes precedence) · CPC title

• H10K59/00

  Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00 · CPC title

• G02F1/133711

  by organic films, e.g. polymeric films · CPC title

• Y10T428/1036

  Cross-Sectional Technologies · mapped topic