发明名称 Silicate phosphor exhibiting high light emission characteristics and moisture resistance, and light emitting device
摘要 A silicate phosphor having a coating layer comprising a fluorine-containing compound on its surface which is obtained by a method of heating a mixture of 100 weight parts of a silicate phosphor and 0.5-15 weight parts of ammonium fluoride at a temperature in the range of 200 to 600° C. exhibits high light emission intensity and high moisture resistance.
申请公布号 US9117981(B2) 申请公布日期 2015.08.25
申请号 US201113988548 申请日期 2011.11.22
申请人 UBE Material Industries, Ltd. 发明人 Fukuda Kouichi;Amagai Jin;Noguchi Seiji;Inagaki Toru;Tanaka Masaki
分类号 H01L33/00;H01L33/50;H01L33/44;C09K11/77 主分类号 H01L33/00
代理机构 Nixon Peabody, LLC 代理人 Nixon Peabody, LLC ;Costellia Jeffrey L.
主权项 1. A silicate phosphor having a coating layer comprising a fluorine-containing compound on its surface which is obtained by heating a mixture comprising a silicate phosphor and ammonium fluoride in an amount of 0.5 to 15 weight parts per 100 weight parts of the silicate phosphor at a temperature in the range of 200 to 600° C.
地址 Ube-shi, Yamaguchi JP