Patent · US Expired

Matrix addressable displays

US4834505A · kind A · utility

15Cited by
7References
19Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 16, 1987
Grant dateMay 30, 1989
Priority date
Expiry dateOct 16, 2007

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2330/08
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An electro-optic display comprises a two dimensional array of liquid crystal cells (C11A,B to C44A,B) each switchable by means of electrical signals applied to respective pairs of address lines connected to the cell by respective transistors (T11-T44). Each main electrode of each transistor is isolated from the rest of the array by a respective cell of the array.

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