EP 0087745 A1 19830907 - Long life, warm color metal halide arc discharge lamp.
Title (en)
Long life, warm color metal halide arc discharge lamp.
Title (de)
Langlebende, warmfarbige Metallhalogenid-Bogenentladungslampe.
Title (fr)
Lampe à décharge à arc à durée de vie prolongée contenant un halogénure métallique de couleur chaude.
Publication
Application
Priority
US 35313882 A 19820301
Abstract (en)
A warm color, long life metal halide arc discharge lamp employs a phosphor mixture on the interior surface of the outer jacket. The mixture comprises from 40-60% manganese activated magnesium fluorogermanate and 40-60% europium activated yttrium orthovanadate. The color temperature of the lamp is between 3200 - 3300 DEG K and the C.R.I. is 74.9.
IPC 1-7
IPC 8 full level
H01J 61/44 (2006.01)
CPC (source: EP)
H01J 61/44 (2013.01)
Citation (search report)
- [A] NL 7920189 A 19801031 - MITSUBISHI ELECTRIC CORP
- [A] JAPANESE PATENTS REPORT, vol. 76, no. 1, week X01, Part I - Chemical, & JP - A - 75 039 629 (HITACHI LTD.) 18-12-1975
Designated contracting state (EPC)
BE DE FR GB NL
DOCDB simple family (publication)
EP 0087745 A1 19830907; CA 1207005 A 19860702; JP S58158854 A 19830921
DOCDB simple family (application)
EP 83101743 A 19830223; CA 420345 A 19830127; JP 2963583 A 19830225