Illumination device, light source, and light module
US8764228B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 2, 2012 |
| Grant date | Jul 1, 2014 |
| Priority date | — |
| Expiry date | Dec 25, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An illumination device including a base, a light bar, and a cover is provided. The base has a cavity. The light bar is disposed at the bottom of the cavity and includes a plurality of dot light sources arranged along a first axial direction. The cover is assembled to the base for correspondingly covering the light bar and has a plurality of openings. The distribution density of the openings increases from a corresponding location of a dot light source towards two opposite ends along the first axial direction. A light source and a light module are also provided. Another illumination device including a base and a plurality of light sources is further provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.