Laser light source apparatus and image display apparatus therewith
US9411220B2 · kind B2 · utility
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6Claims
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Key dates
| Filing date | Dec 12, 2011 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Apr 16, 2032 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3152
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A laser light source apparatus includes: a laser light source that emits a laser beam; a condenser lens that converges the laser beam emitted from the laser light source; and a light guide unit that propagates and outputs the laser beam converged by the condenser lens, and the laser beam converged by the condenser lens is made incident at an angle other than perpendicular to an incident end face of the light guide unit.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.