发明名称 ORGANIC ELECTROLUMINESCENT ELEMENT
摘要 Provided is an organic EL device, including: an anode; a cathode; and an organic thin-film layer provided between the anode and the cathode, in which: the organic thin-film layer has a light emitting layer containing a host material and a light emitting material, and a hole transporting layer; and the hole transporting layer has a first hole transporting layer and a second hole transporting layer in the stated order from the anode; the first hole transporting layer contains a specific amine compound; and the second hole transporting layer contains a specific amine compound; or the hole transporting layer has a layer containing a specific electron acceptable compound and a first hole transporting layer; and the first hole-transporting layer contains a specific amine compound. The organic EL device has a reduced driving voltage, high luminous efficiency, and excellent practicality.
申请公布号 US2012074395(A1) 申请公布日期 2012.03.29
申请号 US201013260996 申请日期 2010.03.31
申请人 YABUNOUCHI NOBUHIRO;ARAKANE TAKASHI;NISHIMURA KAZUKI;HOSOKAWA CHISHIO;IDEMITSU KOSAN CO., LTD. 发明人 YABUNOUCHI NOBUHIRO;ARAKANE TAKASHI;NISHIMURA KAZUKI;HOSOKAWA CHISHIO
分类号 H01L51/54 主分类号 H01L51/54
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