ORANGE COLOR PHOSPHOR WITH STABILITY BASED ON TEMPERATURE AND A WHITE LIGHT EMITTING DEVICE WHICH EMITS WARM WHITE LIGHT SUTING THE SAME

摘要

PURPOSE: A phosphor is provided to ensure chemically stability, reproducibility, and high brightness and to obtain white light close to natural sunlight.;CONSTITUTION: A phosphor has a composition of chemical formula X_(3-y)D_2O_5E_2: yM. In chemical formula: X is one or more metal selected from Mg, Ca, Sr, Ba, and Zn; D is one or more metal selected from Al, Ga, In, Gd and Y; E is one or more atom selected from Cl, F and Br; and M is one or more metal selected from Mn, Cr, Eu, Ce, Tm, Pr, Yb, Dy, Sm and Tb.;COPYRIGHT KIPO 2010