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AssigneeKonica Minolta Holdings, Inc.
InventorsTomohiro Oshiyama, Hiroshi Kita, Yoshio Inoue, Shuichi Oi
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A material for an organic electroluminescence element, characterized in that it comprises a platinum complex formed from a platinum ion and a ligand having at least one aryl group being not capable of free rotation or at least one aromatic heterocyclic group being not capable of free rotation; a display device, characterized in that it comprises said material for an organic electroluminescence element and exhibits high luminous efficiency and long luminous life; and an illumination device, characterized in that it comprises said material for an organic electroluminescence element and exhibits high luminous efficiency and long luminous life.
An organic electroluminescence element material comprising a platinum complex having a platinum ion and a ligand comprising an aryl group of which free rotation is blocked or an aromatic heterocycle group of which free rotation is blocked.
Dependencies are inferred from the claim text.