Green light-emitting silicate phosphor
US8956554B2 · kind B2 · utility
0Cited by
0References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2012 |
| Grant date | Feb 17, 2015 |
| Priority date | — |
| Expiry date | Sep 9, 2033 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01L2224/73265
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A green light-emitting silicate phosphor comprising Eu-activated strontium barium silicate which has a crystal phase of magnesium oxide or a merwinite crystal phase and contains 0.15 to 0.90 mol of magnesium per one mol of silicon gives a light emission stable at elevated temperatures.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.