Red Phosphors for Use in High CRI Fluorescent Lamps
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Release | : 2005 |
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Novel red emitting phosphors for use in fluorescent lamps resulting in superior color rendering index values compared to conventional red phosphors. Also disclosed is a fluorescent lamp including a phosphor layer comprising blends of one or more of a blue phosphor, a blue-green phosphor, a green phosphor and a red a phosphor selected from the group consisting of SrY.sub. 2 O.sub. 4 :Eu.sup. 3+, (Y, Gd)Al.sub. 3 B.sub. 4 O.sub. 12 :Eu.sup. 3+, and [(Y.sub. 1-x-y-m La.sub.y)Gd.sub.x]BO.sub. 3 :Eu.sub.m wherein y