Directional pixel for use in a display screen
US9389415B2 · kind B2 · utility
197Cited by
24References
23Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 19, 2014 |
| Grant date | Jul 12, 2016 |
| Priority date | — |
| Expiry date | Jun 19, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B26/0808
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A directional pixel for use in a display screen is disclosed. The directional pixel receives a planar lightbeam and includes a light propagating layer and a grating to scatter a portion of the planar lightbeam into a directional lightbeam having a direction and angular spread controlled by the grating.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.