Patent ID: 7303826
Filing Date: 2007-12-04
Classification: C07F,C09K,H01L,Y10S

Abstract:
1. An organic electroluminescent element comprising: a pair of electrodes; and at least one organic layer provided between the pair of electrodes, at least one of the at least one organic layer being a light emitting layer, wherein the light emitting layer comprises at least one transition metal complex represented by the formula (1): wherein Q 11 represents a group for forming a 6-membered nitrogen-containing condensed aromatic ring; Y 11 represents a connecting group; M 11 represents a transition metal ion which is one of Ru and Re; L 11 represents a ligand; X 11 represents a counter ion; Y 11 is not bonded to Q 11 to form an 8-hydroxyquinolinol ligand; n 11 represents an integer of from 0 to 4; m 11 represents an integer of from 1 to 4; q 11 represents an integer of from 0 to 3; and r 11 represents an integer of from 0 to 3.