Edge lit LED based locally dimmed display
US8446351B2 · kind B2 · utility
15Cited by
123References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 2012 |
| Grant date | May 21, 2013 |
| Priority date | — |
| Expiry date | Jan 25, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG09G2360/16
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A display has a screen which incorporates a light modulator. The screen may be a front projection screen or a rear-projection screen. The screen is illuminated with light from a light source comprising an array of controllable light-emitters. The controllable-emitters and elements of the light modulator may be controlled to adjust the intensity of light emanating from corresponding areas on the screen. The display may provide a high dynamic range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.