Patent · US Expired

Active matrix color display screen without crossing of address line conductors and command column conductors

US4950058A · kind A · utility

19Cited by
8References
1Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJan 5, 1989
Grant dateAug 21, 1990
Priority date
Expiry dateJan 5, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2201/52
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

The elemental image points of color red, green blue forming a color image point are disposed in a triangle. An elemental image point is comprised of a thin film transistor connected to an electrode of a condenser, this electrode facing a second, colored electrode. The electrodes connected to a transistor are arrayed in lines, the other in columns. Each column of electrodes corresponding to a color successively red, green, blue. Three electrodes connected to three thin film transistors and forming a color image point are connected to one and the same address line conductor.

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