Patent · US Expired

Liquid crystal display device

US5070326A · kind A · utility

70Cited by
6References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 7, 1989
Grant dateDec 3, 1991
Priority date
Expiry dateApr 7, 2009

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH01C7/112
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An LCD device having an improved contrast, able to be operated by a matrix drive, and having a large display area, comprises a pair of transparent first and second bases; picture element electrodes arranged on the first base; signal lines arranged adjacent to the picture element electrode; non-linear elements consisting of varistor particle layers forming bridges betweeen the picture element electrodes and the signal lines; scanning electrodes arranged on the second base; and a liquid crystal material layer located between the picture element electrodes and the scanning electrodes the liquid crystal material being dispersed in a polymeric matrix to form, for example, a NCAP system.

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