Display apparatus and control method thereof
US7321199B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 11, 2006 |
| Grant date | Jan 22, 2008 |
| Priority date | — |
| Expiry date | Jul 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.