Warm color arc discharge lamp having improved efficiency
US4241276A · kind A · utility
3Cited by
1References
2Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 20, 1979 |
| Grant date | Dec 23, 1980 |
| Priority date | — |
| Expiry date | Jun 20, 1999 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01J61/44
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A high pressure arc discharge lamp has a blended phosphor coating of about 35-40% cerium activated yttrium aluminate and 60-65% europium activated yttrium vanadate on the inner wall of the outer jacket.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.