Light source module and projection apparatus
US11803113B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Nov 22, 2021 |
| Grant date | Oct 31, 2023 |
| Priority date | — |
| Expiry date | Nov 22, 2041 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B21/2013
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention provides a light source module including a substrate, a plurality of light emitting elements, a buffer element, and a cover plate. The substrate has a plurality of accommodation grooves. The light emitting elements are respectively disposed in the accommodation grooves. Each light emitting element has a light emitting portion and a bottom portion connected to each other. The light emitting portion is located on the bottom portion, and the bottom portion has an edge. The buffer element is pressed against the edges of the bottom portions of the light emitting elements. The cover plate is combined with the substrate and is pressed against the buffer element. The cover plate has a plurality of first openings. These first openings respectively expose the light emitting elements. The invention also provides a projection apparatus has above-mentioned light source module.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.