Patent Number: 8,067,099

Title: Phosphorescent material, and organic electroluminescent device and image display apparatus using same

Abstract: Provided is an organic electroluminescent device which has a high efficiency and high durability. The organic electroluminescent device includes an anode and a cathode; and a layer including an organic compound interposed between the anode and the cathode, in which the layer includes a phosphorescent material including an Ir complex or Pt complex having at least one ligand represented by any one of the following general formulae (1) to (4): ##STR00001##

Inventors: Watanabe; Taiki (Akishima, JP), Tsuboyama; Akira (Machida, JP), Ueno; Kazunori (Ebina, JP), Kamatani; Jun (Tokyo, JP)

Assignee: Canon Kabushiki Kaisha

International Classification: H01L 51/54 (20060101)

Expiration Date: 2020-11-29 0:00:00