Vehicle interior lamp
US11046244B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 24, 2020 |
| Grant date | Jun 29, 2021 |
| Priority date | — |
| Expiry date | Jun 24, 2040 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A vehicle interior lamp includes a housing having an opening, a lens arranged at the opening, a compartment provided in the housing and surrounding the opening at which the lens is arranged, a light source arranged in a corner of the compartment and emitting light toward the lens, and a reflector arranged inside the compartment, the reflector for introducing the light emitted from the light source to the lens. A plurality of steps is provided on a surface of the lens facing the light source, the steps having a thickness that reduces as the distance from the light source increases and arranged to be brought close uniformly a brightness of a surface of the lens by the light source. The lens is provided with a protrusion or a serration.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.