BICYCLIC IRIDIUM COMPLEX AND PROCESS FOR PREPARING SAME, ORGANIC LIGHT EMITTING DEVICE AND PROCESS FOR PREPARING SAME
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United States of America Patent
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Jun 2, 2016
app pub date -
May 28, 2013
filing date -
Feb 7, 2013
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Abstract
The invention provides a bicyclic iridium complex and a process for preparing the same, an organic light emitting device and a process for preparing the same, and belongs to the art of organic light emitting. The light emitting layer of the organic light emitting device comprises a bicyclic iridium complex, which has the following structure, wherein the substituents R1 and R2 are the same or different. The organic light emitting device of the invention has a high external quantum efficiency, a high saturation of red light emission, and stable light emitting performance.
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