Solid state lighting using quantum dots in a liquid
US8021008B2 · kind B2 · utility
29Cited by
51References
26Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 27, 2008 |
| Grant date | Sep 20, 2011 |
| Priority date | — |
| Expiry date | Jan 25, 2029 |
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 source of light of a first spectral characteristic, a reflector or a diffusely reflective chamber or cavity having a transmissive optical passage, and a liquid containing quantum dots. The quantum dots provide a wavelength shift of at least some light emitted by the source of light to produce a desired second spectral characteristic in the light output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.