Patent · US Active

Display apparatus and control method thereof

US7321199B2 · kind B2 · utility

3Cited by
4References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 11, 2006
Grant dateJan 22, 2008
Priority date
Expiry dateJul 11, 2026

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02B20/30
  • WIPO fieldElectrical machinery, apparatus, energy
  • WIPO sectorElectrical engineering

Abstract

A display apparatus and method in which a current ripple is decreased to improve characteristics of a display apparatus are provided. A display apparatus comprises a light source, a plurality of driving power units providing driving electric powers to the light source, and a controller controlling the plurality of the driving power units so that electric currents of the driving electric powers provided from the respective driving power units have a predetermined phase difference from each other.

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