Polarization preserving 3D screen
US9417514B2 · kind B2 · utility
1Cited by
7References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 25, 2012 |
| Grant date | Aug 16, 2016 |
| Priority date | — |
| Expiry date | Aug 17, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B30/25
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Projection 3D systems and polarization preserving 3D screens are described that substantially increase polarization contrast ratio and viewing angle. The screen comprises a structured surface having a certain slope distribution, formed by a plurality of beads 120 with a layer 115 disposed thereon, which is coated by a reflective layer 110.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.