Organic electroluminescent element, display and illuminating device
AssigneeKonica Minolta Holdings, Inc.
InventorsShinya Otsu, Masato Nishizeki, Eisaku Katoh, Tomohiro Oshiyama, Dai Ikemizu
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Abstract
The present invention provides an organic electroluminescent element emitting a short wavelength light and having high emission efficiency and high storage stability, and a display and an illuminating device each employing the organic electroluminescent element.
Claims10
An organic electroluminescent element comprising an anode, a cathode and at least a light emission layer provided between the anode and the cathode, wherein the light emission layer contains a host compound having a glass transition temperature of not less than 110° C. and a phosphorescence emitting metal complex having as a ligand a 6-member aromatic compound condensed with three or more of a 5- or 6-member aromatic ring.
Dependencies are inferred from the claim text.