Patent · US Expired

Fluorescent displays

US4208106A · kind A · utility

9Cited by
14References
18Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJul 27, 1978
Grant dateJun 17, 1980
Priority date
Expiry dateJul 27, 1998

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09K19/60
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Fluorescent displays are comprised of a means for cooperatively aligning a liquid crystal material and a fluorescent medium disposed therein. The fluorescent medium is comprised of a nematic liquid crystal host which is effectively transparent to radiation of both near ultraviolet and visible wavelengths and a fluorescent guest whose visible fluorescent intensity varies with the phase or orientation of the liquid crystal host.

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