LED lighting assembly and an LED retrofit lamp having the LED lighting assembly
US9255667B2 · kind B2 · utility
2Cited by
2References
15Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 1, 2012 |
| Grant date | Feb 9, 2016 |
| Priority date | — |
| Expiry date | Aug 1, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02B20/30
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED lighting assembly may include a printed circuit board with an LED chip, and a heat sink thermally conducted with the printed circuit board, wherein the LED lighting assembly further comprises a light guide body configured as a bulb, the light guide body having an end surface as a light incidence surface of light from the LED chip, an outer surface as a light emergent surface and an inner surface, wherein the inner surface is structured so as to form a reflecting surface, reflecting at least part of light from the end surface to the outer surface.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.