Wavelength conversion device and projector
US9411218B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 21, 2014 |
| Grant date | Aug 9, 2016 |
| Priority date | — |
| Expiry date | Nov 26, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B1/11
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A wavelength conversion device including a main body and a transparent component is provided. The main body has at least one wavelength conversion region and a slot. The transparent component is disposed in the slot to form a light transmission region, wherein one of the main body and the transparent component has at least one groove, and another one of the main body and the transparent component is engaged with the groove, such that the main body and the transparent component are fixed together. In addition, a projector having the wavelength conversion device is also provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.