Ambient lighting for an image display
US8356902B2 · kind B2 · utility
2Cited by
5References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2008 |
| Grant date | Jan 22, 2013 |
| Priority date | — |
| Expiry date | Jul 28, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0011
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A system comprises means (PL; MI) for projecting an image light beam (ILB) on a projection area (PA) for display of an image (PI) on the projection area (PA), and means (1) for generating an ambient light beam (ALB; ALB1, ALB2) and comprising: an ambient light source (LS; LS1, LS2) for generating ambient light, a collimator (CO) or a light-guide (LG1, LG2) for receiving the ambient light to supply the ambient light beam (ALB; ALB1, ALB2), and a reflector (RF; RF1, RF2) for reflecting the ambient light beam (ALB; ALB1, ALB2) towards the projection area (PA) to obtain an ambient lighting area (ALI) adjacent the image (PI).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.