Merchant & Gould P.C.
Organic electroluminescent materials
An organic electroluminescent compound of the formula (I) wherein:X1 is selected from the group consisting of oxygen, sulfur, C(CH3)2 and N&#8212;R, wherein R is hydrogen, alkyl of from 1 to 20 carbon atoms or aryl; andAr1 and Ar2 are individually aryl or heterocyclic systems.Applying the compound to an electroluminescent (EL) device provides a highly efficient blue and green emitting organic EL device.
Kyocera Corporation Chi Mei Optoelectronics Corporation
H H C H H C H H H
H01L H01L C07D H01L H01L C07D H01L H01L H01L
inventional inventional inventional inventional inventional inventional additional additional additional
Ruey-Min Jun-Wen
Chen Chung