Title:
POLYMERIZABLE LIQUID CRYSTAL COMPOSITION, POLARIZING MEMBRANE, POLARIZING FILM, CIRCULARLY POLARIZING PLATE, AND DISPLAY DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/163398
Kind Code:
A1
Abstract:
The present invention aims to provide a polymerizable liquid crystal composition suitable for forming a polarizing membrane that has an excellent yellow suppression effect. A polymerizable liquid crystal composition that includes a polymerizable liquid crystal compound, an organic dichronic pigment, and a sulfur-based antioxidant. The polymerizable liquid crystal compound has at least one radical polymerizable group and the sulfur-based antioxidant has an aromatic ring structure and a thiol or thioether structure.
Inventors:
NAKANO MASAYA (JP)
HATANAKA NOBUYUKI (JP)
OTA YOSUKE (JP)
HATANAKA NOBUYUKI (JP)
OTA YOSUKE (JP)
Application Number:
PCT/JP2022/001301
Publication Date:
August 04, 2022
Filing Date:
January 17, 2022
Export Citation:
Assignee:
SUMITOMO CHEMICAL CO (JP)
International Classes:
C08F2/44; G02B5/30
Domestic Patent References:
| WO2016114253A1 | 2016-07-21 | |||
| WO2019151226A1 | 2019-08-08 |
Foreign References:
| JP2019191507A | 2019-10-31 | |||
| JP2008083228A | 2008-04-10 | |||
| JPS63163348A | 1988-07-06 | |||
| JP2011516591A | 2011-05-26 |
Attorney, Agent or Firm:
NAKAYAMA, Tohru et al. (JP)
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