Liquid crystal display backlight with scaling
US7573457B2 · kind B2 · utility
25Cited by
211References
38Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 26, 2004 |
| Grant date | Aug 11, 2009 |
| Priority date | — |
| Expiry date | May 18, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display is backlit by a source having spatially modulated luminance to attenuate illumination of dark areas of images and increase the dynamic range of the display.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.