Patent · US Expired

TFT active matrix liquid crystal display devices

US6992744B2 · kind B2 · utility

13Cited by
44References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 15, 2004
Grant dateJan 31, 2006
Priority date
Expiry dateNov 15, 2024

Classification

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

Abstract

There are disclosed various types of TFT active matrix liquid crystal display devices and method of fabrication thereof in which a pixel is divided into three parts, a capacitor is added to each pixel, light shielding is applied to each TFT, and the matrix is driven by a DC cancelling technique.

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