申请人:Kwong Raymond
公开号:US20110060143A1
公开(公告)日:2011-03-10
An organic light emitting device is provided. The device has an anode, a cathode, and an emissive layer disposed between the anode and the cathode. The emissive layer may include a molecule of Formula I wherein an alkyl substituent at position R′
5
results in high efficiency and operational stability in the organic light emitting device. Additionally or alternatively, the emissive layer may include a metal-ligand complex in which the ligand is an aryl or alkyl substituted phenylpyridine ligand.
提供了一种有机发光器件。该器件具有阳极、阴极和位于阳极和阴极之间的发光层。发光层可以包括公式I中的一个分子,其中在位置R'5处的烷基取代基可在有机发光器件中实现高效率和操作稳定性。此外,或者也可以在发光层中包括一个金属配合物,其中配体是芳基或烷基取代的苯基吡啶配体。