Light tube
US9016915B2 · kind B2 · utility
0Cited by
2References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 7, 2010 |
| Grant date | Apr 28, 2015 |
| Priority date | — |
| Expiry date | May 10, 2031 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light tube for producing light, which may be used in the light fittings, desk lamps, vehicle lights etc. The light tube comprises a plurality of segments arranged end to end along the end of the light tube. Each segment has a transparent or translucent rod 706 having two ends, a head spreader 703 by at least one of said ends and an LED 705 mounted to each heat spreader 703 for directing light laterally into the rod 706. The heat spreaders 703 are mounted to a metal jacket 702 for dissipating heat. The light tube further comprises one or more reflectors 708, 711 for reflecting light out of the light tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.