Directional backlight having a rear reflector
US10054732B2 · kind B2 · utility
78Cited by
137References
28Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 21, 2014 |
| Grant date | Aug 21, 2018 |
| Priority date | — |
| Expiry date | Feb 21, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/012
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A directional display may include a waveguide. The waveguide may include light extraction features arranged to direct light from an array of light sources by total internal reflection to an array of viewing windows and a reflector arranged to direct light from the waveguide by transmission through extraction features of the waveguide to the same array of viewing windows. The brightness of the directional display can be increased. An efficient and bright autostereoscopic display system can be achieved.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.