Patent ID: 8531098

Claim:
A fluorescent lamp for emitting white light, comprising a phosphor blend, the phosphor blend comprising: a first phosphor selected from a europium doped barium magnesium aluminate, a europium doped strontium aluminate, and a combination thereof; a second phosphor of formula Y 2 O 3 :Eu 3+ ; and a third phosphor selected from a phosphor of formula I: (A 1-x Mn x )E 4 O 7 , a phosphor of formula II: (L 1-y-z M y Mn z ) 2 P 2 O 7 , and a combination thereof; wherein 0<x≦0.10, 0<y≦0.20, 0<z≦0.10; A is Ca, Ba, Sr, Zn, Mg, or a combination thereof; E is Ga, Al, In, or a combination thereof; L is Ca, Ba, Sr, Zn, Mg, Na, or a combination thereof; and M is at least one of Sn, and Ce.