Patent · US Expired

Image display device and projector

US7319439B2 · kind B2 · utility

1Cited by
1References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 8, 2006
Grant dateJan 15, 2008
Priority date
Expiry dateMar 8, 2026

Classification

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

Abstract

An image display device that displays an image by modulating a light from a light source according to display image data, includes: a first light modulation element that modulates a light emitted from the light source; and a second light modulation element that is disposed on an optical path in series with the first light modulation element and modulates a light exiting from the first light modulation element, wherein an opening in a unit pixel of the first light modulation element and an opening in a unit pixel of the second light modulation element are of analogous shapes.

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