Patent · US Expired

Electrooptic display device

US4126383A · kind A · utility

28Cited by
7References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 2, 1977
Grant dateNov 21, 1978
Priority date
Expiry dateMay 2, 1997

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG04G9/0041
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electrooptic display device which can be operated either in the transmission or reflection mode. The display device consists of a liquid crystal display cell and a semitransparent reflector located in or on a circuit board having a light emitting element disposed therein and characterized by at least one light conducting region.

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