公开(公告)号：US06686062B2

公开(公告)日：2004-02-03

申请号：US09880410

申请日：2001-06-13

申请人： Dan Daeweon Cheong ,  M. Abdul Nakua ,  Xingwei Wu

发明人： Dan Daeweon Cheong ,  M. Abdul Nakua ,  Xingwei Wu

IPC分类号： B32B1900

CPC分类号： C09K11/7706 ,  C09K11/7721 ,  C09K11/7734 ,  H05B33/14 ,  Y10S428/917 ,  Y10T428/26

摘要： A thin film phosphor for an electroluminescent device, the phosphor being a compound of the formula MgxCa1−xAl2S4:M, where the value of x is in the range 0

摘要翻译： 一种用于电致发光器件的薄膜荧光体，所述荧光体是式Mg x Ca 1-x Al 2 S 4：M的化合物，其中x的值在0

公开(公告)号：US06617782B2

公开(公告)日：2003-09-09

申请号：US09867806

申请日：2001-05-30

申请人： Dan Daeweon Cheong ,  M. Abdul Nakua

发明人： Dan Daeweon Cheong ,  M. Abdul Nakua

IPC分类号： H01J162

CPC分类号： H05B33/14 ,  C09K11/7767 ,  C09K11/7768 ,  C09K11/7774 ,  C09K11/7784 ,  C09K11/7786 ,  C09K11/7792

摘要： A thin film phosphor for an electroluminescent device, in which the phosphor is selected from the group consisting of thioaluminates, thiogallates and thioindates having at least one cation selected from elements of Groups IIA and IIB of the Periodic Table of Elements. The phosphor is activated by a rare earth metal and co-activated with gadolinium. The phosphor provides improved luminance. An electroluminescent device comprising the thin film phosphor on a substrate is also described. Further aspects provide an electroluminescent device in which the thin film phosphor is adjacent to a thin film of zinc sulphide, preferably sandwiched between thin films of zinc sulphide.