Patent · US Expired

Liquid crystal composition and liquid crystal display element

US6921560B2 · kind B2 · utility

5Cited by
2References
26Claims
0Family size

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Key dates

Filing dateFeb 3, 2004
Grant dateJul 26, 2005
Priority date
Expiry dateFeb 3, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/00
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A liquid crystal composition having a negative dielectric anisotropy, containing at least one compound selected from the group of compounds represented by Formulas (1-1), (1-2), (1-3) and (1-4) as a first component: wherein R5 is alkyl or alkenyl; R2 is alkyl or alkoxy; A5 is 1,4-phenylene or 2-fluoro-1,4-phenylene; and A6 is 1,4-phenylene, 2-fluoro-1,4-phenylene or 2,3-difluoro-1,4-phenylene.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.