Lighting device and method manufacturing holder of lighting device
US9052104B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jan 20, 2012 |
| Grant date | Jun 9, 2015 |
| Priority date | — |
| Expiry date | Feb 5, 2032 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting device includes a light source that includes at least one LED element and a module including a substrate on which the light source is mounted, and a holder in which at least a part of the module is arranged and held. The holder includes a cylindrical portion that includes a stepped portion and a flange of a heat conductor extending from an outer peripheral edge of the stepped portion on which the substrate is arranged, and the holder includes an insulation layer that covers at least outer peripheral surface of the cylindrical portion.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.