ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, METHOD OF MANUFACTURING ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, AND ILLUMINATING DEVICE
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 .