公开(公告)号：EP1486549A4

公开(公告)日：2007-04-18

申请号：EP02724636

申请日：2002-04-23

申请人： HAYASHIBARA BIOCHEM LAB ,  TOYOTA JIDOSHOKKI KK

发明人： SATSUKI MAKOTO ,  ISHIDA NATSUKO ,  SUGA SADAHARU ,  FUJIKAWA HISAYOSHI ,  TAGA YASUNORI ,  NAKAGAWA SATOSHI ,  MURASAKI TAKANORI ,  KATO YOSHIFUMI

IPC分类号： H01L51/50 ,  C07D405/04 ,  C07D413/04 ,  C07D417/04 ,  C07D491/16 ,  C09K11/06 ,  H01L51/00 ,  H01L51/30 ,  H05B33/14

CPC分类号： H01L51/0073 ,  C09K11/06 ,  C09K2211/1011 ,  C09K2211/1014 ,  C09K2211/1029 ,  C09K2211/1033 ,  C09K2211/1037 ,  C09K2211/1044 ,  C09K2211/1074 ,  C09K2211/1088 ,  C09K2211/188 ,  H01L51/005 ,  H01L51/0059 ,  H01L51/0071 ,  H01L51/0072 ,  H01L51/0078 ,  H01L51/0081 ,  H01L51/5012 ,  H01L2251/308 ,  H05B33/14 ,  Y10S428/917

摘要： A light emitting agent for an organic electroluminescent element favorable in the organic electroluminescent element of high durability, and applications thereof, and more specifically, an auxiliary light emitting agent for the organic electroluminescent element consisting of a specified coumarin derivative, the organic electroluminescent element using the auxiliary light emitting agent, and a display panel and an information display appliance using the organic electroluminescent element.