Patent · US Expired

Liquid-crystal display unit for camera

US5946507A · kind A · utility

3Cited by
2References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 20, 1997
Grant dateAug 31, 1999
Priority date
Expiry dateAug 20, 2017

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03B2215/051
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The present invention relates to an LCD unit that has a reflective liquid-crystal panel including two glass plates with a liquid crystal locked in between, two polarization plates affixed to outer sides of the two glass plates, and a reflection plate arranged under the lower polarization plate. The LCD unit further comprises a light accumulating part that is arranged under the liquid-crystal panel in order to illuminate the liquid-crystal panel and that accumulates light and glows, and a light guide for efficiently introducing light entering externally to the light accumulating part.

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