Patent · US Active

Liquid crystal display apparatus with control of LCD and backlight corresponding to an image

US7595784B2 · kind B2 · utility

20Cited by
6References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateFeb 9, 2005
Grant dateSep 29, 2009
Priority date
Expiry dateJan 30, 2027

Classification

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

Abstract

The liquid crystal display apparatus includes a liquid crystal display, a backlight unit for emitting rays of light of three or more colors, the ray of each color being controlled, and applying these rays of light onto the liquid crystal display. A controller is further provided for controlling a change of display data of each color of the liquid crystal display and an emitted light quantity of each color of the backlight unit at a time, based on a video signal being inputted for displaying the corresponding image and an output signal sent from an ambient light sensor for sensing ambient light.

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