Light source device and lamp
US11873963B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 5, 2020 |
| Grant date | Jan 16, 2024 |
| Priority date | — |
| Expiry date | Aug 5, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is a light source device, including: a light-emitting chip arranged on a base plate and configured to emit first light; a light guide rod including first and second light guide portions, the first light guide portion including a light incident end surface, the first light entering the light guide rod through the light incident end surface and being transmitted to the second light guide portion after passing through the first light guide portion, and the second light guide portion including a light-outputting surface for outputting light; a first positioning member including a first groove for accommodating the light guide rod, being directly or indirectly fixed relative to the base plate; and a movable fixing assembly configured to fix, together with the groove of the first positioning member, the light guide rod along a radial direction of the light guide rod, and deforms when fixing the light guide rod.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.