Light homogenizing device and laser projection apparatus
US10222687B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 2, 2016 |
| Grant date | Mar 5, 2019 |
| Priority date | — |
| Expiry date | Nov 2, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/008
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Embodiments of the present invention provide a light homogenizing device and a laser projection apparatus. The light homogenizing device comprises a shell and a light stick, wherein the shell forms a holding chamber having openings at both ends thereof; the light stick is located within the holding chamber, and the openings at both ends of the holding chamber correspond to an incident end and an emergent end of the light stick, respectively; and, an elastic component is provided on at least one surface of the shell, with a first end of the elastic component being connected to the shell while a second end thereof extending into the interior of the holding chamber and pressing against the light stick.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.