Patent ID: 9523031
Filing Date: 2016-12-20
CPC Classification: C09K,H01L,H05B

Claim Text:
1. An organic electroluminescence device, comprising an organic thin film layer composed of one or more layers comprising a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, wherein the light emitting layer includes a carbozole compound containing a ring as a host material and a luminescent metal complex capable of emitting light having a red-based color as a phosphorescent dopant, wherein the carbazole compound containing a ring is represented by one of the following formulae: Na represents a naphthyl group, Het is a quinazolinyl group optionally comprising an aryl group, Cz represents a carbazolyl groups represented by any one of the following general formulae (3) to (5): where: L represents a biphenyl residue or a terphenyl residue.