Warm color arc discharge lamp having improved efficiency

Details Warm color arc discharge lamp having improved efficiency Warm color arc discharge lamp having improved efficiency

1979-06-20

1980-12-23

Demeo, Palmer C.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

H01J 6144

Patent

active

042412765

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.

REFERENCES:
patent: 4034257 (1977-07-01), Hoffman

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