Patent · US Expired

Cholesteric liquid crystal additives

US7153549B2 · kind B2 · utility

3Cited by
42References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 9, 2006
Grant dateDec 26, 2006
Priority date
Expiry dateFeb 9, 2026

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K2323/031
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The invention provides a cholesteric liquid crystal composition that includes at least one cholesteric liquid crystal precursor, and at least one non-liquid crystalline additive that is a non-liquid crystalline compound of formula IThe invention also provides cholesteric liquid crystal films and optical bodies formed from cholesteric liquid crystal compositions of the invention. The invention further provides an optical display that includes a display medium, and a reflective polarizer including a cholesteric liquid crystal composition in accordance with the invention.

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