Polarization illumination system
US9016884B2 · kind B2 · utility
1Cited by
3References
13Claims
0Family size
Inventors
Key dates
| Filing date | Nov 25, 2011 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | Feb 16, 2032 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B27/28
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A polarization illumination system 1000a according to the first invention of the present patent application includes an illumination means having light source means 8, polarizing means 10 for receiving and polarizing light emitted from the light source means, a birefringence medium 20 for receiving and double refracting the light emitted from the light source means and transmitted through the polarizing means. Illumination space S to which the light of the illumination means is illuminated has a polarized reflection object 60 that reflects an incident light in a way that the reflected light partly or fully polarized.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.