Lens combination and illumination device adopting the same
US10883699B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2018 |
| Grant date | Jan 5, 2021 |
| Priority date | — |
| Expiry date | Apr 18, 2038 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure provides a lens combination and an illumination device adopting the lens combination, where, the lens combination configured for accommodation at least a first light source and a second light source, includes: a first lens, including a first light incident surface, a first light emergent surface and a first accommodation space located on a side of the first light incident surface and configured for accommodating the first light source, where the first light incident surface and the first light emergent surface are of a curved surface shape; and a second lens, including a second light incident surface, a second light emergent surface, and a second accommodation space located on a side of the second light incident surface and configured for accommodating the second light source, where the second light incident surface and the second light emergent surface are of a curved surface shape.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.