Patent ID: 9368735
Filing Date: 2016-06-14
CPC Classification: C07D,C09K,H01L,H05B

Claim Text:
1. A top-and-bottom emission type organic electroluminescence element comprising: at least a light emitting layer, a transparent conductive layer, and a transparent protective layer disposed between the light emitting layer and the transparent conductive layer, an electron transport layer between the light emitting layer and the transparent protective layer, wherein the light emitting layer contains a phosphorescence emitting compound, the transparent protective layer contains a metal oxide, the metal oxide is a molybdenum (VI) oxide, a rhenium (VI) oxide or a nickel (II) oxide, and the molybdenum (VI) oxide, the rhenium (VI) oxide and the nickel (II) oxide are in an oxygen deficient state.