Low-pressure mercury vapor discharge lamp

Details Low-pressure mercury vapor discharge lamp Low-pressure mercury vapor discharge lamp

1983-07-29

1986-07-22

Schor, Kenneth M.

Electric lamp and discharge devices

With luminescent solid or liquid material

With gaseous discharge medium

2523014R, 2523014P, 2523016R, 2523016P, C09K 11475, H01J 6148

Patent

active

046021884

ABSTRACT:
A low-pressure mercury vapor discharge lamp having a satisfactory color rendition (Ra.gtoreq.80), a color temperature of 2800.degree. K. or higher and a color point on or near the Planckian locus. The lamp is provided with a luminescent layer (4) which comprises

REFERENCES:
patent: 3937998 (1976-02-01), Verstegen et al.
patent: 4176299 (1979-11-01), Thornton, Jr.
patent: 4315192 (1982-02-01), Skiwirt
patent: 4319161 (1982-03-01), Looye et al.

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