Patent · US Expired

Liquid crystal element having conductive wiring part extending from top of transistor light shield to edge

US4810061A · kind A · utility

11Cited by
7References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1988
Grant dateMar 7, 1989
Priority date
Expiry dateMar 25, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2201/121
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Disclosed is a liquid crystal element using a film transistor as a switching element, the liquid crystal element comprising two substrates opposed to each other, film transistors and spacers disposed on the opposed surface of one of the substrates, a transparent electrode formed on the opposed surface of the other substrate, a metal wiring formed simultaneously with a light shield of a film transistor or an upper metal layer of the spacer, the metal wiring having one end disposed between the film transistor or spacer and the transparent electrode whereas the other end thereof extends to the peripheral edge of the one substrate.

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