Patent · US Expired

TFT active matrix liquid crystal display devices with two layer gate lines, the first being the same level and material as gate electrodes

US5708484A · kind A · utility

39Cited by
35References
41Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 29, 1996
Grant dateJan 13, 1998
Priority date
Expiry dateFeb 29, 2016

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 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.