Patent · US Expired

Multi-colored liquid crystal display with color transflector and color filter

US4630894A · kind A · utility

13Cited by
5References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateMar 20, 1984
Grant dateDec 23, 1986
Priority date
Expiry dateMar 20, 2004

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2203/34
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A multi-colored liquid crystal display arrangement, especially for motor vehicle instruments, including colored foils with different colorings spatially associated with a plurality of mutually offset and differing information areas of the display, intermediate a liquid crystal cell and a large-surfaced illuminating arrangement. The multi-colored liquid display arrangement is additionally equipped with a transflector which is positioned between the color foils and the liquid crystal cell, and wherein the transflector incorporates differently colored areas which are spatially associated with predetermined color foils.

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