Green light emitting phosphor
US5104573A · kind A · utility
5Cited by
4References
5Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 16, 1989 |
| Grant date | Apr 14, 1992 |
| Priority date | — |
| Expiry date | Oct 16, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K11/7774
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A green light emitting phosphor comprising tetravalent elements added to a green light emitting phosphor, Y.sub.3 (Al,Ga).sub.5 O.sub.12 :Tb, wherein the green light emitting phosphor can prevent a so-called electron beam burning even when excited by electron beams of high energy. The green light emitting phosphor is, particularly suitable to be applied to a projector tube or a high-brightness phosphor display tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.