Fluorescent high-pressure mercury-vapor lamp

Details Fluorescent high-pressure mercury-vapor lamp Fluorescent high-pressure mercury-vapor lamp

H - Electricity

01

J

313/81

H01J 1/63 (2006.01) C09K 11/77 (2006.01) H01J 61/44 (2006.01)

Patent

CA 1049085

ABSTRACT OF THE DISCLOSURE The present invention discloses the phosphor coating for fluorescent high-pressure mercury-vapor lamps, consisting of a red light emitting phosphor with the following composition YVO4:Eu, or Y(PV)O4:Eu and a blue-green light emitting phosphor with the following composition Ba1-xMg2-yA?zO3 + ? z : Eux, Mny where 0.03?x?0.4, 0.01?y?0.6, and 12?z?20. A highly satisfactory color rendition may be attained, and the color temperature may be arbitrarily changed so that the mercury- vapor lamps in accordance with the present invention are best adapted for use in interior lighting in offices, lobbies, shops and so on.

246052

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