Phosphor blend for broad spectrum fluorescent lamp

Details Phosphor blend for broad spectrum fluorescent lamp Phosphor blend for broad spectrum fluorescent lamp

1989-05-01

1990-01-02

Yusko, Donald J.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

H01J 6144

Patent

active

048915505

ABSTRACT:
A full spectrum fluorescent lamp having a phosphor coating for producing visible light having a high color rendering index and balanced amounts of ultraviolet energy at the same correlated color temperature in which the coating is formed of two groups of phosphors, the first producing the full spectrum when excited and the second narrow bands of visible light to improve the lumen output of the lamp.

REFERENCES:
patent: 3670193 (1972-06-01), Thorington et al.
patent: 4315192 (1982-02-01), Skwirut et al.

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