Patent · US Active

Apparatus and method for dynamic backlight-control according to battery level and image-content lightness

US7886169B2 · kind B2 · utility

1Cited by
2References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 11, 2007
Grant dateFeb 8, 2011
Priority date
Expiry dateSep 19, 2029

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02D10/00
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

An apparatus and a method for dynamic backlight-control in an electronic device are provided. The apparatus includes a battery power-level detection unit and a controlling unit. The battery power-level detection unit is used for detecting the power level of a battery in the electronic device. The controlling unit is coupled to a backlight unit of a display device in the electronic device and the battery power-level detection unit for adjusting the illumination of the backlight unit according to the power level of the battery and an image-content lightness of an image inputted into the display device.

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