Patent ID: 8911886
Filing Date: 2014-12-16
Classification: C07D,C07F,C09K,H01L,Y10S

Abstract:
1. An organic electroluminescence device, comprising: an anode; a cathode; and an organic thin film layer; wherein: the organic thin film layer is disposed between the anode and the cathode; the organic thin film layer comprises a phosphorescent light emitting layer; and the phosphorescent light emitting layer comprises a compound according to formula (1): wherein: each Cz is independently a substituted carbazolyl group or an unsubstituted carbazolyl group; each substituted carbazolyl group Cz independently comprises at least one substituent selected from a substituted aromatic group, an unsubstituted aromatic group, a substituted aromatic heterocyclic group, and an unsubstituted aromatic heterocyclic group; each M is independently a substituted pyridine, an unsubstituted pyridine, a substituted pyrimidine, an unsubstituted pyrimidine a substituted quinazoline, or an unsubstituted quinazoline; each substituted group M independently comprises at least one substituent selected from a substituted aromatic group, an unsubstituted aromatic group, a substituted aromatic heterocyclic group, and an unsubstituted aromatic heterocyclic group; n is an integer of 1 to 2; m is an integer of 1 to 3; and at least one group M is bonded to at least one carbazolyl group Cz at a 9-position of the at least one carbazolyl group Cz.