[EN] ORGANOMETALLIC COMPLEX AND ORGANIC LIGHT-EMITTING ELEMENT USING THE COMPLEX<br/>[FR] COMPLEXE ORGANOMÉTALLIQUE ET ÉLÉMENT ÉLECTROLUMINESCENT ORGANIQUE UTILISANT LEDIT COMPLEXE
申请人:CANON KK
公开号:WO2014112657A1
公开(公告)日:2014-07-24
Provided is an organic light-emitting element having high light-emitting efficiency and a long element lifetime, the organic light-emitting element including an anode, a cathode, and an organic compound layer placed between the anode and the cathode, in which: the organic compound layer includes an emission layer; the emission layer includes a host and a guest; the host is an aromatic hydrocarbon compound; the guest is an iridium complex of a specific structure; and a content of the host is 50 wt% or more with reference to the total amount of the constituent materials for the emission layer.
提供的是一种具有高发光效率和长寿命的有机发光元件,该有机发光元件包括阳极、阴极和放置在阳极和阴极之间的有机化合物层,其中:有机化合物层包括发射层;发射层包括主体和客体;主体是芳香烃类化合物;客体是具有特定结构的铱配合物;主体的含量相对于发射层的组分材料总量为50重量%或更多。