Light source device and projection display device
US10101643B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Apr 16, 2015 |
| Grant date | Oct 16, 2018 |
| Priority date | — |
| Expiry date | May 22, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B33/08
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The disclosure discloses a light source device and a projection display device. The light source device includes a laser for generating laser light, a fluorescent wheel, a filter wheel and a control unit, wherein the fluorescent wheel includes at least one reflection section, and at least one transmission section capable of transmitting the laser light; and at least one phosphor capable of being excited by the laser light to emit yellow light, and at least one phosphor capable of being excited by the laser light to emit green light are attached on the surface of the reflection section; the filter wheel includes at least one transparent section, at least one red filter section and at least one green filter section.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.