Patent · US Expired

Display apparatus

US7064773B1 · kind B1 · utility

0Cited by
7References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 28, 2000
Grant dateJun 20, 2006
Priority date
Expiry dateMar 28, 2020

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04N9/3105
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display apparatus is constructed to make a plurality of light beams of mutually different colors incident to a display element and modulate the beams of the respective colors by the display element to form images of the respective colors. Purity of a predetermined color out of the colors is variable and a control pattern of the image display element is modified according to variation in the purity of the predetermined color.

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