Patent · US Expired

Liquid crystal display device capable of transmission display and reflection display

US7248315B2 · kind B2 · utility

13Cited by
4References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 28, 2003
Grant dateJul 24, 2007
Priority date
Expiry dateAug 28, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG02F2201/48
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A plurality of reflection films are provided behind a liquid crystal layer of a liquid crystal element, corresponding to predetermined regions in the plural pixels Pix. By the regions of the plural pixels wherein the reflection films are provided, reflection parts Pr are formed that reflects the light that enters from the front side and goes out to the front side by the region where the reflection film is provided, and transmission parts are formed that transmits the light that enters from the back side and goes out to the front side by the other regions of the plural pixels. At the same time, color filters, wherein a plurality of apertures are formed to the parts corresponding to the reflection pars Pr of the pixels Pix, are provided respectively corresponding to the plural pixels Pix, and a planarization transparent film covering the aperture is formed on these color filters.

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