Cool-white fluorescent lamp with phosphor having modified...

Details Cool-white fluorescent lamp with phosphor having modified... Cool-white fluorescent lamp with phosphor having modified...

C - Chemistry, Metallurgy

09

K

31/110, 117/22

C09K 11/24 (1980.01) C09K 11/42 (1980.01) C09K 11/463 (1980.01)

Patent

CA 1156034

LD 7248 COOL-WHITE FLUORESCENT LAMP WITH PHOSPHOR HAVING MODIFIED SPECTRAL ENERGY DISTRIBUTION TO IMPROVE LUMINOSITY THEREOF Abstract of the Disclosure An improved cool-white fluorescent lamp utilizes a particular two-component phosphor combination exhibiting a narrow "blue" emission spectrum and a broad "yellow" emission spectrum to achieve improved luminous efficacy. In one preferred embodiment, the combination is a blended mixture of europium activated strontium chlorapatite with manganese and antimony coactivated calcium fluorapatite phosphors.

281676

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