Solid state display light
US6499860B2 · kind B2 · utility
109Cited by
8References
5Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Feb 12, 2001 |
| Grant date | Dec 31, 2002 |
| Priority date | — |
| Expiry date | Feb 12, 2021 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S362/802
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
An LED lamp has a gear column which is connected between a cap and a substrate. The substrate is provided with a regular polyhedron of at least four planes, the planes having at least one LED which has a luminous flux of at least 5 lm. The gear column also has a heat-dissipater which interconnect the substrate and the lamp cap.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.