LIQUID CRYSTALLINE COMPOSITION, POLYMER LIQUID CRYSTAL COMPOUND, LIGHT ABSORPTION ANISOTROPIC FILM, LAMINATE, AND IMAGE DISPLAY DEVICE

• US 20190322937A1
• Filed: 06/25/2019
• Published: 10/24/2019
• Est. Priority Date: 12/28/2016
• Status: Active Grant

• Current Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Original Assignee: Fujifilm Corporation (Fujifilm Holdings Corporation)
• Inventors: MATSUYAMA, Hiroshi, HOSHINO, Wataru, NIORI, Teruki, NISHIMURA, Naoya
• Granted Patent: US 11,505,744 B2
• Time in Patent Office: Days
• CPC Class Codes: B32B 7/02 Physical, chemical or physicochemical properties
• CPC Class Codes: C09K 19/02 characterised by optical, electrical or physical properties of the components, in general
• CPC Class Codes: C09K 19/3491 having sulfur as hetero atom
• CPC Class Codes: C09K 19/38 Polymers
• CPC Class Codes: C09K 19/3852 Poly(meth)acrylate derivatives
• CPC Class Codes: C09K 19/56 Aligning agents
• CPC Class Codes: C09K 19/60 Pleochroic dyes
• CPC Class Codes: C09K 19/601 Azoic
• CPC Class Codes: C09K 2019/0448 the end chain group being a polymerizable end group, e.g. -Sp-P or acrylate
• CPC Class Codes: C09K 2019/2078 Ph-COO-Ph-COO-Ph
• CPC Class Codes: G02B 5/3016 involving passive liquid crystal elements optical properties of liquid crystals G02F1/0063; polarising elements associated with active liquid crystal devices G02F1/133528
• CPC Class Codes: G02B 5/3083 Birefringent or phase retarding elements G02B5/3008, G02B5/3016 take precedence; systems for polarisation control G02B27/286; manufacturing phase modulating patterns by lithographic processes G03F7/001
• CPC Class Codes: G02F 1/133528 Polarisers
• CPC Class Codes: H05B 33/02 Details
• CPC Class Codes: H10K 59/8792 comprising light absorbing layers, e.g. black layers

Abstract

An object of the invention is to provide a polymer liquid crystal compound with which a light absorption anisotropic film having a high alignment degree can be formed, a liquid crystalline composition, a light absorption anisotropic film which is formed of the liquid crystalline composition, a laminate, and an image display device. A liquid crystalline composition according to an embodiment of the invention includes a polymer liquid crystal compound which contains a repeating unit represented by Formula (1) and a dichroic substance. In Formula (1), a difference between a log P value of P1, L1, and SP1 and a log P value of M1 is 4 or greater. In Formula (1), P1 represents a main chain of the repeating unit, L1 represents a single bond or a divalent linking group, SP1 represents a spacer group, M1 represents a mesogenic group, and T1 represents a terminal group.

Claims

1. A liquid crystalline composition comprising:

a polymer liquid crystal compound which contains a repeating unit represented by Formula (1); and

a dichroic substance,

wherein in Formula (1), a difference between a log P value of P1, L1, and SP1 and a log P value of M1 is 4 or greater,

2. The liquid crystalline composition according to claim 1,

wherein SP1 in Formula (1) includes at least one selected from the group consisting of an oxyethylene structure, an oxypropylene structure, a polysiloxane structure, and a fluorinated alkylene structure.

3. The liquid crystalline composition according to claim 1,

wherein the polymer liquid crystal compound further contains a repeating unit represented by Formula (2), and

in Formula (2), a difference between a log P value of P2, L2, and SP2 and a log P value of M2 is less than 4,

4. The liquid crystalline composition according to claim 1,

wherein the polymer liquid crystal compound further contains a repeating unit represented by Formula (3),

5. The liquid crystalline composition according to claim 1,

wherein the polymer liquid crystal compound contains two or more kinds of repeating units represented by Formula (1).

6. The liquid crystalline composition according to claim 1,

wherein a weight-average molecular weight of the polymer liquid crystal compound is 10,000 or greater.

7. The liquid crystalline composition according to claim 1,

wherein a weight-average molecular weight of the polymer liquid crystal compound is less than 10,000.

8. The liquid crystalline composition according to claim 1,

wherein the polymer liquid crystal compound is a star polymer represented by Formula (4),

A

PI)_nA 

 

(4)

in Formula (4), n_A represents an integer of 3 or greater, a plurality of PI'"'"'s each independently represent a polymer chain containing any of the repeating units represented by Formulae (1) to (3), A represents an atomic group which is a core of the star polymer, and at least one of the plurality of PI'"'"'s represents a polymer chain containing the repeating unit represented by Formula (1).

17. A light absorption anisotropic film which is formed using the liquid crystalline composition according to claim 1.

18. A laminate comprising:

a base; and

the light absorption anisotropic film according to claim 17 which is provided on the base.

19. The laminate according to claim 18, further comprising:

a λ

/4 plate which is provided on the light absorption anisotropic film.

20. An image display device comprising:

the light absorption anisotropic film according to claim 17.

9. A polymer liquid crystal compound comprising:

a repeating unit represented by Formula (1),

wherein in Formula (1), a difference between a log P value of P1, L1, and SP1 and a log P value of M1 is 4 or greater,

10. The polymer liquid crystal compound according to claim 9,

wherein SP1 in Formula (1) includes at least one selected from the group consisting of an oxyethylene structure, an oxypropylene structure, a polysiloxane structure, and a fluorinated alkylene structure.

11. The polymer liquid crystal compound according to claim 9, further comprising:

a repeating unit represented by Formula (2),

wherein in Formula (2), a difference between a log P value of P2, L2, and SP2 and a log P value of M2 is less than 4,

12. The polymer liquid crystal compound according to claim 9, further comprising:

a repeating unit represented by Formula (3),

13. The polymer liquid crystal compound according to claim 9, comprising:

two or more kinds of repeating units represented by Formula (1).

14. The polymer liquid crystal compound according to claim 9,

wherein a weight-average molecular weight of the polymer liquid crystal compound is 10,000 or greater.

15. The polymer liquid crystal compound according to claim 9,

wherein a weight-average molecular weight of the polymer liquid crystal compound is less than 10,000.

16. The polymer liquid crystal compound according to claim 9, which is a star polymer represented by Formula (4),

A

PI)_nA 

 

(4)

in Formula (4), n_A represents an integer of 3 or greater, a plurality of PI'"'"'s each independently represent a polymer chain containing any of the repeating units represented by Formulae (1) to (3), A represents an atomic group which is a core of the star polymer, and at least one of the plurality of PI'"'"'s represents a polymer chain containing the repeating unit represented by Formula (1).