COMPOSITION, OPTICALLY ANISOTROPIC LAYER, LIQUID CRYSTAL CELL, LIQUID CRYSTAL DISPLAY DEVICE, SENSOR, LENS, SWITCHING ELEMENT, ISOLATOR, AND CAMERA

Title:

COMPOSITION, OPTICALLY ANISOTROPIC LAYER, LIQUID CRYSTAL CELL, LIQUID CRYSTAL DISPLAY DEVICE, SENSOR, LENS, SWITCHING ELEMENT, ISOLATOR, AND CAMERA

Document Type and Number:

WIPO Patent Application WO/2023/219024

Kind Code:

A1

Abstract:

The present invention addresses the problem of providing: a composition that can form a liquid crystal layer which has a maximum absorption wavelength in the infrared region (particularly, wavelengths 1000-1700 nm) and which excels in absorption anisotropy; an optically anisotropic layer; a liquid crystal cell; a liquid crystal display device; a sensor; a lens; a switching element; an isolator; and a camera The composition according to the present invention contains: at least one specified compound selected from the group consisting of a colorant compound having a cation structure represented by formula (I), and a reductant thereof; and a liquid crystal compound.

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Inventors:

MORISHIMA SHINICHI (JP)
YAGI KAZUNARI (JP)

Application Number:

PCT/JP2023/017002

Publication Date:

November 16, 2023

Filing Date:

May 01, 2023

Export Citation:

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Assignee:

FUJIFILM CORP (JP)

International Classes:

C08F20/20; C08K5/5397; C08L101/12; C09B11/26; C09B57/00; G02B1/04; G02B5/30; G02F1/1335; G02F1/1337

Domestic Patent References:

WO2021176755A1

2021-09-10

Foreign References:

JP2021192095A	2021-12-16
JP2021026037A	2021-02-22

Other References:

LARS MAY; THOMAS J. J. MÜLLER: "Widely Electronically Tunable 2,6‐Disubstituted Dithieno[1,4]thiazines—Electron‐Rich Fluorophores Up to Intense NIR Emission", CHEMISTRY - A EUROPEAN JOURNAL, JOHN WILEY & SONS, INC, DE, vol. 26, no. 57, 3 September 2020 (2020-09-03), DE, pages 12978 - 12986, XP071852136, ISSN: 0947-6539, DOI: 10.1002/chem.202000859

Attorney, Agent or Firm:

ITOH Hideaki et al. (JP)

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