Patent · US Expired

Droplets and particles containing liquid crystal and films and apparatus containing the same

US5835174A · kind A · utility

70Cited by
62References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 19, 1996
Grant dateNov 10, 1998
Priority date
Expiry dateSep 19, 2016

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/2987
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Disclosed are uniformly sized domains of liquid crystals, a method for forming the domains, and their performance in polymer dispersed liquid crystal displays. The method provides the ability to form discrete domains of liquid crystal surrounded by a polymer shell, also known as polymer encased liquid crystals, or PELCs. Further, the method provides for the ability to make PELCs that have uniformly sized particles. Displays made comprising uniformly sized PELCs demonstrate markedly improved electro-optical performance over displays made by conventional polymer dispersed liquid crystal processes.

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