Light scattering by controlled porosity in optical ceramics for LEDs
US8728835B2 · kind B2 · utility
1Cited by
2References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 9, 2009 |
| Grant date | May 20, 2014 |
| Priority date | — |
| Expiry date | Apr 5, 2030 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10H20/882
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a light emitting device (100) comprising at least one light emitting diode (101) and at least one porous ceramic element (102), which ceramic element (102) is arranged to receive light from the light emitting diode(s) (101). The present invention also relates to methods for the manufacture of the light emitting device (100) and of the porous ceramic element (102).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.