RED PHOSPHOR, WHITE LIGHT SOURCE, LIGHT-EMITTING DEVICE, AND METHOD OF FORMING THE RED PHOSPHOR

摘要

Red Phosphor, White Light Source, Light-emitting Device, and Method of Forming the Red Phosphor The present invention relates to a red phosphor, comprising an element A, magnesium (Mg), aluminum (Al), oxygen (O) and manganese (Mn) in a chemical formula (1) AAĮ_12-x-yMg_xO_l9:yMn⁴⁺ wherein the element A in the chemical formula (1) is at least one selected from strontium (Sr), barium (Ba) and calcium (Ca), and 0x0.1 and 0yl. In addition, the present invention further relates to a white light source, a light- emitting device and a method of forming this red phosphor.