Patent · US Expired

Backlit display with improved dynamic range

US7064740B2 · kind B2 · utility

104Cited by
160References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 9, 2001
Grant dateJun 20, 2006
Priority date
Expiry dateJun 27, 2022

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG09G2360/16
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

Abstract

A display is backlit by a source having spatially modulated luminance to attenuate illumination of dark areas of images and increase the dynamic range of the display.

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