发明名称 Organic electroluminescent device
摘要 An organic electroluminescent device including, a hole-transporting layer, an emitting layer and an electron-transporting layer in this order between an anode and a cathode, an emission spectrum having emission peaks when applying current for emission, the intensity (I<SUB>D</SUB>) of the maximum emission peak among the emission peaks and the intensity (I<SUB>O</SUB>) of another emission peak at a shorter wavelength than the wavelength of the maximum emission peak among the emission peaks satisfying the following formula (A), <?in-line-formulae description="In-line Formulae" end="lead"?>I<SUB>O</SUB>/I<SUB>D</SUB><1/50 (A). <?in-line-formulae description="In-line Formulae" end="tail"?>
申请公布号 US2007120466(A1) 申请公布日期 2007.05.31
申请号 US20050304900 申请日期 2005.12.16
申请人 IDEMITSU KOSAN CO., LTD. 发明人 ARAKANE TAKASHI;KUMA HITOSHI;FUKUOKA KENICHI;YAMAMOTO HIROSHI;HOSOKAWA CHISHIO
分类号 H05B33/00 主分类号 H05B33/00
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