Patent · US Active

High dynamic range display devices having color light sources

US7801426B2 · kind B2 · utility

1Cited by
110References
26Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 2009
Grant dateSep 21, 2010
Priority date
Expiry dateMar 24, 2029

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2320/064
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. Elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.

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