Fluorene compound, organic light emitting device and display device using the fluorene compound
AssigneeCanon Kabushiki Kaisha
InventorsTaiki Watanabe, Kazunori Ueno, Koichi Suzuki, Yohei Iwasaki
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AssigneeCanon Kabushiki Kaisha
InventorsTaiki Watanabe, Kazunori Ueno, Koichi Suzuki, Yohei Iwasaki
Estimating the term…
An organic light emitting device having a high efficiency and durability is provided. The organic light emitting device includes an anode, a cathode and a layer formed of an organic compound interposed between the anode and the cathode, and contains at least one kind of the fluorene compound represented by the following general formula (I) or (II): wherein R1 to R4 each represent an alkyl group, a fluorinated alkyl group, a substituted or unsubstituted aralkyl group, or a substituted or unsubstituted aryl group; and Ar1 to Ar8 represent a substituted or unsubstituted aryl group or a substituted or unsubstituted polycondensed aromatic group.
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A fluorene compound represented by the following general formula (III) or (IV):
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Dependencies are inferred from the claim text.