发明名称 Organic electroluminescent element, display and illuminator
摘要 An organic electroluminescent element comprising an anode; a cathode; at least two light emission layers provided between the anode and the cathode; and at least one intermediate layer provided between the two light emission layers, wherein the two light emission layers each comprise the same host compound A; one of the two light emission layers comprises light emission dopant A and the other light emission layer comprises light emission dopant B which is different from light emission dopant A; and the intermediate layer comprises host compound A.
申请公布号 US7504657(B2) 申请公布日期 2009.03.17
申请号 US20050632758 申请日期 2005.07.13
申请人 KONICA MINOLTA HOLDINGS, INC. 发明人 SUZURI YOSHIYUKI;KITA HIROSHI
分类号 H01L29/08 主分类号 H01L29/08
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