Locally dimmed display
US8277056B2 · kind B2 · utility
2Cited by
123References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 5, 2012 |
| Grant date | Oct 2, 2012 |
| Priority date | — |
| Expiry date | Apr 5, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2320/064
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A locally dimmed display has a spatial light modulator illuminated by a light source. The spatial light modulator is illuminated with a low resolution version of a desired image. The illumination may comprise a series of lighting elements that vary smoothly from one element to another at the spatial light modulator.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.