×

Liquid crystal device, composition therefor, and method for preparing the composition

  • US 4,018,507 A
  • Filed: 09/05/1974
  • Issued: 04/19/1977
  • Est. Priority Date: 09/05/1974
  • Status: Expired due to Term
First Claim
Patent Images

1. An electro-optical light-modulating device containing a nematic liquid crystal composition comprising an admixture of 90% to 60% by weight of (A) p-methoxy benzylidene-p-butyl aniline, and 10% to 40% by weight of (B) at least one fluorinated Schiff base having the general formula X -- Ph -- HC = N--Ph -- F, wherein X is an alkoxy group having from 1 to 10 carbon atoms, Ph is phenylene and F is fluorine, and means for applying an electric field to said admixture.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×