Phosphor and manufacturing method of the same, and light emitting device using the phosphor
US7443094B2 · kind B2 · utility
14Cited by
14References
16Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 10, 2005 |
| Grant date | Oct 28, 2008 |
| Priority date | — |
| Expiry date | Jan 10, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/77348
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A phosphor having an emission spectrum with a broad peak in a range of blue color and a broad and flat excitation band in a range of near ultraviolet/ultraviolet, and having an excellent emission efficiency and emission intensity/luminance, a manufacturing method of the same, and a light emitting device using the phosphor. The phosphor has a general composition formula expressed by MmAaBbOoNn:Z.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.