Display apparatus with optical cavities
US7876489B2 · kind B2 · utility
106Cited by
256References
57Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Sep 26, 2006 |
| Grant date | Jan 25, 2011 |
| Priority date | — |
| Expiry date | May 10, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B6/0053
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A display includes an array of light modulators that define a display plane, a light guide and front- and rear-facing reflective surfaces. The light guide includes a plurality of geometric light redirectors, and at least 50% of the light guide's rear surface is parallel to the display plane. The rear-facing reflective surface is parallel to the display plane and includes a plurality of apertures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.