Patent · US Expired

Liquid crystal display and method of manufacturing the same and method of driving the same

US6812986B2 · kind B2 · utility

27Cited by
3References
25Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 23, 2002
Grant dateNov 2, 2004
Priority date
Expiry dateSep 23, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2201/122
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A liquid crystal display having a wide viewing angle and easily manufactured. The liquid crystal display comprises an upper substrate and a lower substrate, and a liquid crystal material disposed between the upper substrate and the lower substrate. The liquid crystal display has a conductive protrusion disposed on the surface of the upper substrate opposing to the lower substrate. The conductive protrusion is disposed over a scanning electrode line or a signal electrode line and has the same potential as that of the upper electrode. As another structure, each of pixel electrodes on the lower substrate has a smaller area than that of a common electrode on the upper substrate and is covered by the common electrode, and each of the pixel electrodes comprises an electrode portion having approximately symmetrical shape.

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