Organic electroluminescent element material, organic electroluminescent element, method of manufacturing organic electroluminescent element, display device, and illuminating device

Abstract

In the present invention, provided is an organic electroluminescent element material having a high externally taking-out quantum efficiency, which is suitable for manufacturing an element exhibiting long light emission lifetime, and also provided is an organic electroluminescent element possessing the material, a method of manufacturing the organic electroluminescent element, and a display as well as an illuminating device fitted with the organic electroluminescent element.

1 . An organic electroluminescent element material comprising a synthesized polymer from at least one monomer having an impurity content of 1000 ppm or less. 
     
     
         2 . The organic electroluminescent element material of  claim 1 ,
 wherein the at least one monomer has an impurity content of 1000 ppm or less.   
     
     
         3 . The organic electroluminescent element material of  claim 1 ,
 wherein the at least one monomer comprises a reactive substituent.   
     
     
         4 . The organic electroluminescent element material of  claim 1 , the polymer comprises a partial structure represented by the following Formula (1):
   —Ar1-N (Ar3)-Ar2-  Formula (1)   
       wherein each of Ar1 and Ar2 independently represents an arylene group or a heteroarylene group, and Ar3 represents an aromatic hydrocarbon group or an aromatic heterocyclic group. 
     
     
         5 . An organic electroluminescent element comprising the organic electroluminescent element material of  claim 1 . 
     
     
         6 . The organic electroluminescent element of  claim 5 , comprising a phosphorescence emission compound. 
     
     
         7 . The organic electroluminescent element of  claim 5 , prepared with a solution comprising the organic electroluminescent element material of  claim 1 . 
     
     
         8 . The organic electroluminescent element of  claim 5 , producing white light emission. 
     
     
         9 . A method of manufacturing an organic electroluminescent element, comprising the step of:
 using a reaction solution for a polymer to be synthesized from at least one monomer having an impurity content of 1000 ppm or less to prepare the organic electroluminescent element of  claim 5 .   
     
     
         10 . A display device comprising the organic electroluminescent element of  claim 5 . 
     
     
         11 . An illuminating device comprising the organic electroluminescent element of  claim 5 . 
     
     
         12 . The organic electroluminescent element of  claim 6 , prepared with a solution comprising the organic electroluminescent element material of  claim 1 .