Dual-color projector
US10459326B2 · kind B2 · utility
0Cited by
0References
18Claims
0Family size
Assignees
Inventors
Key dates
| Filing date | Dec 27, 2018 |
| Grant date | Oct 29, 2019 |
| Priority date | — |
| Expiry date | Dec 27, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N9/3164
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A dual-color projector is disclosed that includes a blue laser device configured to emit a blue laser light, a red laser device configured to emit a red laser light, and a fluorescent wheel whose surface is coated with green fluorescent powder which is excitable by the blue laser light to emit a green fluorescent light. The dual-color projector may also include a first diffusion element and a second diffusion element.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.