Polymer-stabilized optical isotropic liquid crystal formulation and optical isotropic liquid crystal device
US-9222022-B2 · Dec 29, 2015 · US
US2023002679A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2023002679-A1 |
| Application number | US-202217889523-A |
| Country | US |
| Kind code | A1 |
| Filing date | Aug 17, 2022 |
| Priority date | Feb 18, 2020 |
| Publication date | Jan 5, 2023 |
| Grant date | — |
A practical reading order for non-experts. Skip the full description unless you need deep technical detail.
What the patent document calls the invention.
A short plain-language summary of the technical disclosure.
Who owns or filed the patent and who is credited as inventor.
Filing, priority, publication, and grant dates set the timeline.
The legal scope of protection — read this for what is actually claimed.
Technology tags used to group this patent with similar filings.
Prior art links and similar publications in this corpus.
Official abstract text for this publication.
The present invention provides a compound having an excellent amount of change in HTP and an excellent HTP saturation rate during exposure, and a liquid crystal composition including the compound. The compound of the present invention is a compound represented by General Formula (A).(Y)n-G-(X)m (A)G represents a group represented by General Formula (B-1) or a group represented by General Formula (B-2), * represents a bonding position, and X and Y represent a predetermined group.
Opening claim text (preview).
What is claimed is: 1 . A compound represented by General Formula (A), (Y) n -G-(X) m (A) G represents a group represented by General Formula (B-1) or a group represented by General Formula (B-2), * represents a bonding position, X's each independently represent a hydrogen atom or a monovalent substituent, in a case where G is a group represented by General Formula (B-2), two X's may be bonded to each other to form a ring, Y's each independently represent a group represented by General Formula (C-1) or a group represented by General Formula (C-2), L 1 represents a single bond or a divalent linking group, R 1 and R 2 each independently represent a hydrogen atom or a monovalent substituent, A 1 represents an aromatic group which may have a substituent, Z represents —(CH 2 ) 4 — in which —CH 2 — may be substituted with —CO— or —O—, a single bond, —(CH 2 ) 2 —, —COO—, or —CH 2 O—, A 2 represents an aromatic group which may have a substituent or an alicyclic group which may have a substituent, L 2 represents a single bond or -L 3 -A 3 -**, L 3 represents a single bond or a divalent linking group, A 3 represents an aromatic group which may have a substituent or an alicyclic group which may have a substituent, ** represents a bonding position with Z, R 3 represents a hydrogen atom or a monovalent substituent, in a case where G represents the group represented by General Formula (B-1), n represents 2 and m represents 0, and in a case where G represents the group represented by General Formula (B-2), n represents 2 and m represents 6, and * represents a bonding position. 2 . The compound according to claim 1 , wherein G represents the group represented by General Formula (B-1). 3 . The compound according to claim 1 , wherein Y represents the group represented by General Formula (C-1). 4 . The compound according to claim 1 , wherein Y represents the group represented by General Formula (C-1), and L 1 in the group represented by General Formula (C-1) represents a single bond. 5 . The compound according to claim 1 , wherein Y represents the group represented by General Formula (C-1), and Z in the group represented by General Formula (C-1) represents a single bond or —COO—. 6 . The compound according to claim 1 , wherein Y represents the group represented by General Formula (C-1), and A 2 in the group represented by General Formula (C-1) represents an aromatic group which may have a substituent. 7 . The compound according to claim 1 , wherein Y represents the group represented by General Formula (C-1), and R 1 in the group represented by General Formula (C-1) represents a hydrogen atom, a halogen atom, —CN, —COR, —POR 2 , —SOR, —SO 2 R, or —NO 2 , and R's each independently represent a monovalent substituent. 8 . A liquid crystal composition comprising: the compound according to claim 1 ; and a liquid crystalline compound. 9 . The compound according to claim 2 , wherein Y represents the group represented by General Formula (C-1). 10 . The compound according to claim 2 , wherein Y represents the group represented by General Formula (C-1), and L 1 in the group represented by General Formula (C-1) represents a single bond. 11 . The compound according to claim 2 , wherein Y represents the group represented by General Formula (C-1), and Z in the group represented by General Formula (C-1) represents a single bond or —COO—. 12 . The compound according to claim 2 , wherein Y represents the group represented by General Formula (C-1), and A 2 in the group represented by General Formula (C-1) represents an aromatic group which may have a substituent. 13 . The compound according to claim 2 , wherein Y represents the group represented by General Formula (C-1), and R 1 in the group represented by General Formula (C-1) represents a hydrogen atom, a halogen atom, —CN, —COR, —POR 2 , —SOR, —SO 2 R, or —NO 2 , and R's each independently represent a monovalent substituent. 14 . A liquid crystal composition comprising: the compound according to claim 2 ; and a liquid crystalline compound. 15 . The compound according to claim 3 , wherein Y represents the group represented by General Formula (C-1), and L 1 in the group represented by General Formula (C-1) represents a single bond. 16 . The compound according to claim 3 , wherein Y represents the group represented by General Formula (C-1), and Z in the group represented by General Formula (C-1) represents a single bond or —COO—. 17 . The compound according to claim 3 , wherein Y represents the group represented by General Formula (C-1), and A 2 in the group represented by General Formula (C-1) represents an aromatic group which may have a substituent. 18 . The compound according to claim 3 , wherein Y represents the group represented by General Formula (C-1), and R 1 in the group represented by General Formula (C-1) represents a hydrogen atom, a halogen atom, —CN, —COR, —POR 2 , —SOR, —SO 2 R, or —NO 2 , and R's each independently represent a monovalent substituent. 19 . A liquid crystal composition comprising: the compound according to claim 3 ; and a liquid crystalline compound. 20 . The compound according to claim 4 , wherein Y represents the group represented by General Formula (C-1), and Z in the group represented by General Formula (C-1) represents a single bond or —COO—.
characterised by the chemical structure of the liquid crystal components {, e.g. by a specific unit} · CPC title
Esters of carboxylic acids having a carboxyl group bound to an acyclic carbon atom and having a six-membered aromatic ring in the acid moiety · CPC title
having unsaturation outside the six-membered aromatic ring · CPC title
Polarising elements (light-modulating devices with active elements G02F1/00) · CPC title
Ph-COO-Ph-COO-Ph · CPC title
Related publications grouped by family.
Answers are generated from the same data shown on this page.