Lighting device
US11131439B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 25, 2020 |
| Grant date | Sep 28, 2021 |
| Priority date | — |
| Expiry date | Mar 25, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure discloses a lighting device, including a light body, a light source module mounted in the light body, and a light transmissive portion covering the light source module. The light source module includes a plurality of lenses and a light emitting unit accommodated in each of the lens; light emitted by the light emitting unit is emitted from the light transmissive portion after being distributed by the lens; the light transmissive portion is arc-shaped; and an incident angle corresponding to incident light at any point of the light transmissive portion is smaller than 45°. In the lighting device according to the present disclosure, by designing the light transmissive portion to be arc-shaped, the incident angle corresponding to the incident light on the light transmissive portion is limited within 45°.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.