C - Chemistry – Metallurgy – 09 – K
Patent
C - Chemistry, Metallurgy
09
K
31/126, 117/22
C09K 11/77 (2006.01)
Patent
CA 1063795
ABSTRACT OF THE DISCLOSURE Mixed rare earth alkali metal and alkaline earth sulfates activated with cerium and terbium are used as a phosphor coating system for fluorescent lamps. The phosphor efficiently emits light in the green region and the emission spectrum of the phosphor demonstrates a prominent peak in the 520-560 nm region with minor inflections at other visible wavelengths.
247803
Company General Electric
Na
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