Patent ID: 7118811
Filing Date: 2006-10-10
Classification: C07D,C09K,H01L,Y10S

Abstract:
1. A light emitting device comprising a light emitting layer or a plurality of thin organic compound layers containing a light emitting layer formed between a pair of electrodes, wherein at least one layer is a layer containing at least one compound represented by the following formula (IA): wherein R 11 , R 12 and R 13 each represents a hydrogen atom, an aliphatic hydrocarbon group, an aryl group or a heterocyclic group; L 1 is selected from the group consisting of a single bond, alkylene, alkenylene, alkynylene, arylene and a divalent aromatic heterocyclic group selected from the group consisting of: R 11 and R 12 , R 11 and L 1 and R 12 and L 1 may each combine with each other to form a ring when possible; R 14 , R 15 , R 16 and R 17 each represents a hydrogen atom or a substituent; and R 13 to R 17 may each combine with each of R 11 to R 17 or L 1 to form a ring when possible.