Phosphor blend for wavelength conversion and white light emitting device using the same

White light emitting phosphor blend comprising three phosphors, A5(PO4)3Cl:Eu2+, D2SiO4:Eu, and MS:Eu at a composition where near ultraviolet radiation is converted into light positioned at a CIE coordinate (x, y),where 0.25≦x≦0.45 and 0.25≦x≦0.43, wherein A comprises at least one of Sr, Ca, Ba, and Mg, D comprises at least one of Ba, Sr, and Ca, and M comprises at least one of Sr and Ca.

White light emitting phosphor blend containing three phosphors, A5(PO4)3Cl:Eu , D2SiO4:Eu, and MS:Eu, where A comprises at least one of Sr, Ca, Ba, and Mg, D comprises at least one of Ba, Sr, and Ca, and M comprises at least one of Sr and Ca, and wherein A5(PO4)3Cl:Eu2+is contained in an amount of 40 to 88 wt %, D2SiO4:Eu is contained in an amount of 10 to 58 wt %, and MS:Eu is contained in an amount of 2 to 50 wt %.

A white light emitting device comprising:

• a light emitting diode (LED) for emitting near ultraviolet radiation;
• and
• a wavelength converting part placed in the light emission direction of the LED, and having white light emitting phosphor blend and curing resin wherein the white light emitting phosphor comprises three phosphors, A5(PO4)3Cl:Eu2+, D2SiO4:Eu and MS:Eu, at a composition where near ultraviolet radiation is converted into light positioned at a CIE coordinate (x, y), where 0.3≦x≦0.45 and 0.3≦x≦0.43, wherein A comprises at least one from Sr, Ca, Ba and Mg, D comprises Ba, Sr and Ca, and M comprises at least one of Sr and Ca.