Illumination – Light source or light source support and luminescent material
Patent
1977-11-16
1980-11-11
Nelson, Peter A.
Illumination
Light source or light source support and luminescent material
362263, 313174, F21V 916
Patent
active
042336538
ABSTRACT:
Low-pressure mercury vapor discharge lamp having a luminescent layer and a conductive transparent coating. An amalgam is disposed in the discharge space to reduce loss of light owing to greying of this layer.
REFERENCES:
patent: 2262177 (1941-11-01), Germer
patent: 2467687 (1949-04-01), Noel
patent: 2486859 (1949-11-01), Kerkhof
patent: 2733371 (1956-01-01), Campbell
patent: 3005102 (1961-10-01), MacHutchin et al.
patent: 3260846 (1966-07-01), Feuer
patent: 3336502 (1967-08-01), Gilliatt
patent: 4020378 (1977-04-01), Morehead
Jongerius Hermanus M.
VAN DER Wolf Rein W.
Nelson Peter A.
Smith Robert S.
U.S. Philips Corporation
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