Fluorescent lamp with non-scattering phosphor

Details Fluorescent lamp with non-scattering phosphor Fluorescent lamp with non-scattering phosphor

1981-12-21

1984-09-04

Demeo, Palmer C.

Electric lamp and discharge devices

With temperature modifier

Double wall, jacket or casing for envelope

313486, 313493, 313116, H01J 6144

Patent

active

044699808

ABSTRACT:
A fluorescent lamp comprises a source of near ultraviolet radiation together with an outer shell at least partially surrounding the ultraviolet source and comprising an ultraviolet transmissive material, the shell having embedded or dissolved therein a phosphor material having an indexed refraction approximately, but not quite equal, to the index of refraction of the shell.

REFERENCES:
patent: 2030440 (1936-02-01), Fritze et al.
patent: 2213245 (1940-09-01), Germer
patent: 2713629 (1955-07-01), Etzkorn
patent: 2905863 (1959-09-01), Martin et al.
patent: 3492105 (1970-01-01), Pfaender
patent: 3504819 (1970-04-01), Veres
patent: 3892997 (1975-07-01), Thorington et al.
patent: 4001628 (1977-01-01), Ryan
patent: 4171498 (1979-10-01), Fromm et al.
patent: 4315193 (1982-02-01), Thornton

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