Abstract: Provided are a novel bichrysene compound and an organic light emitting device having high light emitting efficiency and excellent driving durability. 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. The layer formed of an organic compound has a bichrysene compound represented by the following general formula (1).

Abstract: There are provided a novel benzofluoranthene compound and an organic light-emitting device which uses the benzofluoranthene compound, gives a blue emission hue with extremely good purity, and has an optical output with a high efficiency, a high luminance, and a long life. Specifically, there are provided a benzofluoranthene compound represented by the general formula shown below and an organic light-emitting device including a pair of electrodes including an anode and a cathode one of which is a transparent or translucent electrode material, and an organic compound layer disposed between the pair of electrodes and including a material for an organic light-emitting device containing the benzofluoranthene compound. In the general formula (1), one of X1, X2, X3, X4, X5, and X6 represents a substituted or unsubstituted fused heterocyclic group having four or less rings, and the others of X1, X2, X3, X4, X5, and X6 each represent a hydrogen atom.

Abstract: The present invention provides a benzo[b]chrysene compound represented by general formula [1] below and an organic light-emitting element including the compound. In the general formula [1], Ar represents a substituted or unsubstituted aromatic hydrocarbon group, and R1 to R4 are each independently selected from the group consisting of a hydrogen atom, substituted or unsubstituted alkyl groups, and substituted or unsubstituted aromatic hydrocarbon groups.

Abstract: Provided is an organic light emitting device having high light emitting efficiency and good emission color purity. The organic light emitting device includes an anode, a cathode, and an organic compound layer which is sandwiched between the anode and the cathode, in which one of the anode and the cathode is transparent or semi-transparent and the organic compound layer contains at least one kind of perylene compound represented by the following general formula (1): where R1 to R8 each represent a hydrogen atom or a substituted or unsubstituted alkyl group; and Ar1 to Ar4 each represent a substituent represented by the following general formula (2) or (3).

Abstract: An organic light-emitting device includes an organic compound layer containing an organic compound in which the 3-position of a benzo[k]fluoranthene ring is bonded to the 8-position of a fluoranthene ring, and an organic compound having a pyrene ring.

Abstract: Provided is an organic light-emitting device that shows high luminous efficiency even when driven at a high luminance. More specifically, provided is an organic light-emitting device, including: an anode (transparent electrode layer) and a cathode (metal electrode layer); and an organic compound layer being interposed between the anode and the cathode, and including an emission layer, in which: the emission layer has a host, a first dopant, and a second dopant; the host includes an aromatic hydrocarbon compound; the first dopant includes a phosphorescent iridium complex; and the second dopant includes a compound having two triarylamine structures.

Abstract: Provided are a fused polycyclic compound obtained by expanding the conjugated system of a chrysene skeleton, and an organic light emitting device using the compound. The organic light emitting device has an optical output with high efficiency and high luminance, and is extremely durable.

Abstract: Provided is a novel heterocyclic compound which is useful as a material for an organic electroluminescent device. The heterocyclic compound is represented by the general formula [I]: wherein X represents a nitrogen atom or a carbon atom; Y represents O or S; R1 and R2 each represent, independently of one another, a group selected from the group consisting of a substituted or unsubstituted alkyl group and the like; a represents 0 or more and 3 or less; b represents 0 or more and 3 or less; and Ar1 represents a substituted or unsubstituted heterocyclic ring or the like; and n represents an integer of 2 to 10.

Abstract: An organic blue-light-emitting device having a high emission efficiency and a long continuous driving lifetime is provided. An organic light-emitting device 20 includes an anode 2, a cathode 5, and a stacked body which is interposed between the anode 2 and the cathode 5 and includes at least a layer which forms a light-emitting region (emission layer 6).

Abstract: There are provided a novel benzofluoranthene compound and an organic light-emitting device which uses the benzofluoranthene compound, gives a blue emission hue with extremely good purity, and has an optical output with a high efficiency, a high luminance, and a long life. Specifically, there are provided a benzofluoranthene compound represented by the general formula shown below and an organic light-emitting device including a pair of electrodes including an anode and a cathode one of which is a transparent or translucent electrode material, and an organic compound layer disposed between the pair of electrodes and including a material for an organic light-emitting device containing the benzofluoranthene compound. In the general formula (1), one of X1, X2, X3, X4, X5, and X6 represents a substituted or unsubstituted fused heterocyclic group having four or less rings, and the others of X1, X2, X3, X4, X5, and X6 each represent a hydrogen atom.

Abstract: An oligofluorene compound is represented by the General Formula (1) below wherein in Formula (1) P1 represents a hydrogen atom, a halogen atom, or a linear or branched alkyl group having 1 to 20 carbon atoms; P2 represents a hydrogen atom, a halogen atom, a substituted or unsubstituted linear or branched alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted phenyl group, or a substituted or unsubstituted 2-naphthyl group; R1 and R2 each represent a hydrogen atom, a halogen atom, or a linear or branched alkyl group having 1 to 20 carbon atoms; and n represents integer of 2 to 4.

Abstract: The present invention provides a novel binaphthyl compound and an organic light emitting element having a good light emitting efficiency and a high durability at a low driving voltage.

Abstract: A fluorene compound and an organic light-emitting element including the fluorene compound are provided. The fluorene compound is represented by the following general formula [1], and the fluorene compound is a material for an organic light-emitting element. A steric hindrance group is introduced directly on a fluorene ring in the fluorene compound.

Abstract: The present invention provides a novel diazafluorene compound for manufacturing a 4,5-diazafluorene derivative. The diazafluorene compound is represented by the general formula (1): wherein R1 and R2 each represent a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted aryl group, and may be the same or different from each other; and X1 and X2 each represent a halogen atom, and may be the same or different from each other.

Abstract: A novel azafluorene derivative and an organic light-emitting device having the derivative are provided. The organic light-emitting device includes a pair of electrodes composed of an anode and a cathode one of which is a transparent or semi-transparent electrode, and an organic compound layer interposed between the pair of electrodes.

Abstract: Provided is a novel heterocyclic compound which is useful as a material for an organic electroluminescent device. The heterocyclic compound is represented by the general formula [I]: wherein X represents a nitrogen atom or a carbon atom; Y represents O or S; R1 and R2 each represent, independently of one another, a group selected from the group consisting of a substituted or unsubstituted alkyl group and the like; a represents 0 or more and 3 or less; b represents 0 or more and 3 or less; and Ar1 represents a substituted or unsubstituted heterocyclic ring or the like; and n represents an integer of 2 to 10.

Abstract: Particles for a particle movement type display apparatus is prepared by forming and fixing a polymeric compound at a surface of pigment particle or composite particle comprising a colorant and a polymer by a precise ionic polymerization.