Patent · US Expired

Method and apparatus for selectively backlighting a plurality of displays with a common light source

US7223007B1 · kind B1 · utility

23Cited by
4References
18Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 14, 2005
Grant dateMay 29, 2007
Priority date
Expiry dateDec 14, 2025

Classification

  • Technology area (CPC H)Electricity
  • CPC primaryH04M2250/16
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A device and method for optimizing lighting for a display (108) in a multi-display electronic device (100), is disclosed. The method includes emitting light waves (302) from at least one light source (244), to a back surface (122, 132) of each display in a plurality of displays (108, 110), thereby back-lighting the plurality of displays (108, 110). At least one display of the plurality of displays is selectively back-lighted.

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