Patent · US Expired

Illuminating arrangement for a field-effect liquid-crystal display as well as fabrication and application of the illuminating arrangement

US4096550A · kind A · utility

19Cited by
2References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 15, 1976
Grant dateJun 20, 1978
Priority date
Expiry dateOct 15, 1996

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09F13/0463
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

An illuminating arrangement for a field-effect liquid-crystal display having a transparent plate disposed on the side of the liquid-crystal display away from the observer in which there is a recess formed in a thickened side portion thereof for receiving a light source and wherein the surface of the plate, at least on the side thereof away from the liquid-crystal display, is smooth and the surface next to the liquid-crystal display is provided with a continuous reflecting film of low transparency. Preferably, a reflector also is mounted on the surface of the plate facing away from the liquid-crystal display.

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