Patent · US Expired

Liquid crystal compounds, mixtures and devices

US6242636A · kind A · utility

1Cited by
9References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 1999
Grant dateJun 5, 2001
Priority date
Expiry dateJan 5, 2019

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/3068
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

An electoclinic device having two spaced cell walls each bearing electrode structures and treated on at least one facing surface with an alignment layer, a layer of a smectic liquid crystal material enclosed between the cell walls, where the liquid crystal material contains one or more of the compounds described by formula I as defined in the specification.

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