Method for reducing speckle effect in a laser scanning display
US8964294B2 · kind B2 · utility
1Cited by
1References
10Claims
0Family size
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Key dates
| Filing date | Mar 5, 2013 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Aug 2, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3161
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
Speckle effect in scanning display systems that employs polarized phase-coherent light is reduced by depolarizing the phase-coherent light using a depolarizer and scanning the depolarized light for producing desired images.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.