RED PHOSPHOR, METHOD FOR PREPARING SAME, AND LIGHT-EMITTING DEVICE COMPRISING SAME
29-03-2012 дата публикации
Номер:
WO2012039572A2
Принадлежит: 삼성엘이디 주식회사
Контакты:
Номер заявки: KR69-00-201128
Дата заявки: 20-09-2011
Provided is a red phosphor having superior thermal and chemical stability and excellent luminous efficiency, wherein the red phosphor comprises a compound expressed in the composition formula: Az(Sr, M)2(Si, Al)04-xNy:R(0<x<3, y=2x/3, 0.001<z<0.1), where A is at least one element selected from a group consisting of lithium (Li), potassium (K) and sodium (Na), M is at least one element selected from a group consisting of barium (Ba), magnesium (Mg), and calcium (Ca), and R is at least one element selected from a group consisting of lanthanide and a transition metal element.[0000][1]