Patent · US Expired

Liquid crystal display device and manufacturing method thereof

US6774965B2 · kind B2 · utility

13Cited by
8References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 25, 2003
Grant dateAug 10, 2004
Priority date
Expiry dateFeb 25, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F1/136236
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A semi-transmissive liquid crystal display device is provided with a pixel electrode having in one pixel a reflective electrode reflecting outside light, and a transmissive electrode transmitting light from a back light source, on one of a pair of substrates facing to each other with a liquid crystal film placed in between. The reflective electrode and the transmissive electrode constituting the pixel electrode are formed without having a insulation layer in between. A manufacturing process thereof is simplified by halftone exposure.

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