Lighting apparatus and wavelength converting apparatus thereof
US9732940B2 · kind B2 · utility
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5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 22, 2014 |
| Grant date | Aug 15, 2017 |
| Priority date | — |
| Expiry date | Mar 1, 2035 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF21Y2115/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A lighting apparatus includes a wavelength converting apparatus. The wavelength converting apparatus includes a hollow tube and a wavelength converting material. The hollow tube has an accommodating chamber. The wavelength converting material is positioned in the accommodating chamber.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.