FLUORESCENT LAMP

PURPOSE:To provide a fluorescent lamp capable of controlling the light output without reducing the luminous flux maintenance factor the fluorescent lamp. CONSTITUTION:In a fluorescent lamp laminated and coated with a nonluminescent material layer and a phosphor layer or coated with a luminescent com...

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Bibliographische Detailangaben
1. Verfasser: FUJINO SHIGEO
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:PURPOSE:To provide a fluorescent lamp capable of controlling the light output without reducing the luminous flux maintenance factor the fluorescent lamp. CONSTITUTION:In a fluorescent lamp laminated and coated with a nonluminescent material layer and a phosphor layer or coated with a luminescent composition material mixed with a nonluminescent material and phosphors on the inner face of a glass bulb, the nonluminescent material is made of an oxide containing at least one kind of rare earth element among yttrium, cadmium, and lanthanum.