Tube-type or channel-type LED lighting apparatus
US8177391B2 · kind B2 · utility
15Cited by
7References
17Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Mar 31, 2010 |
| Grant date | May 15, 2012 |
| Priority date | — |
| Expiry date | Jun 9, 2030 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/20
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A light emitting diode (LED) lighting apparatus that may be used as interior lighting or advertisement lighting is disclosed. The LED lighting apparatus includes a channel-type or tube-type optical housing with a light emission surface and an LED array arranged in the optical housing. The light emission surface includes a valley line and a first inner ridge and a second inner ridge disposed on opposing sides of the valley line, and the LED array includes a plurality of LEDs whose centers are arranged along the valley line.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.