Mixed blue emitting phosphor
US5277841A · kind A · utility
6Cited by
2References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 18, 1993 |
| Grant date | Jan 11, 1994 |
| Priority date | — |
| Expiry date | Jun 18, 2013 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J29/187
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A mixed blue emitting phosphor is obtained by mixing ZnS:Ag,Al with at least one green emitting phosphor selected from the group consisting of Y.sub.3 (Al,Ga).sub.5 O.sub.12 :Tb, Y.sub.2 SiO.sub.5 :Tb and LaOCl:Tb of an amount below 20 wt %, thereby greatly enhancing luminance and luminance-saturation characteristic.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.