Abstract: An amino compound for an organic light-emitting device of general formula [1]: wherein X1 is bonded to the pair of fluorenyl groups at meta-positions to each other and is substituted or unsubstituted aromatic ring, fused polycyclic ring, or heterocyclic ring; Y1 and Y2 are each substituted or unsubstituted alkyl, aryl, or heterocyclic and are the same or different; Z1 to Z4 are each hydrogen, halogen, or substituted or unsubstituted alkyl, aralkyl, alkenyl, alkynyl, alkoxy, aryl, or heterocyclic and are the same or different; R1 to R4 are each hydrogen, halogen, or substituted or unsubstituted alkyl, aryl, or heterocyclic and are the same or different; a and d are each 1 to 4; and b and c are each 1 to 3.

Abstract: A fluorene compound represented by the following general formula [I]: is used to provide an organic luminescent device. Such a device has an optical output exhibiting a high luminance with an extremely high efficiency, and has an extremely high durability.

Abstract: A novel pyrenylfluorenylene compound is provided which is represented by the general formula (1):

Abstract: The present invention provides an oligofluorenylene compound represented by the general formula below, which enables production of an organic light-emitting device that exhibits an extremely pure luminescent hue and has a light emission of high efficiency, high brightness, and long lifetime.

Abstract: The organic light-emitting device capable of emitting light with remarkably high efficiency and luminance by using a fluorene compound having substituents is provided, and at least one layer among the organic compound layers in the device contains a first compound and a second compound, and the first compound is a fluorene compound represented by the following general formula (III) and the second compound is a compound represented by the following general formula (IV).

Abstract: An anthryl derivative group substituted compound having a specific chemical structure is provided. This compound is used for producing an organic luminescent device which can emit luminescent hues with a very high purity and effect light emission with a high luminescence efficiency and a long lifetime.

Abstract: Provided a novel 1,8-naphthyridine compound represented by the following general formula [I]: wherein R1 to R6 each represent one selected from the group consisting of a hydrogen atom; an alkyl group, an aralkyl group, an aryl group, a heterocyclic group, a condensed polycyclic aromatic group, a condensed polycyclic heterocyclic group and an aryloxy group which may be substituted; a substituted amino group; a halogen atom; a trifluromethyl group; and a cyano group, and may be the same as or different from one another, provided that at least two of R1 to R6 each represent one selected from the group consisting of an aralkyl group, an aryl group, a heterocyclic group, a condensed polycyclic aromatic group, a condensed polycyclic heterocyclic group and an aryloxy group which may be substituted; and a substituted amino group.

Abstract: An anthryl derivative group substituted compound having a specific chemical structure is provided. This compound is used for producing an organic luminescent device which can emit luminescent hues with a very high purity and effect light emission with a high luminescence efficiency and a long lifetime.

Abstract: There is disclosed a substituted anthryl derivative is represented by the following general formula (1). The use of the substituted anthryl derivative allows the production of an organic electroluminescence device showing an extremely pure luminescence hue, and an optical output with high luminous efficiency, high luminance, and long life.

Abstract: There is disclosed a substituted anthryl derivative is represented by the following general formula (1).

Abstract: Novel monoaminofluorene compounds are provided, and organic light-emitting devices which exhibit good luminescence hue of extremely high purity and have optical output with high luminescence efficiency, high luminance and longer operating life are provided using the compounds.

Abstract: Provided are a novel spiro compound, and an organic luminescence device using the spiro compound and having an optical output with an extremely high efficiency and a high luminance, and an extremely high durability. The Spiro compound is represented by the following general formula [I]: (wherein R1, R2, R3, and R4 represent a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group, a cyano group, or a halogen atom, and R1, R2, R3, and R4 may be identical or different from each other; and Ar1 and Ar2 represent a substituted or unsubstituted condensed polycyclic aromatic group or a substituted or unsubstituted condensed polycyclic heterocyclic group, which may be identical or different from each other.

Abstract: There is provided an aminoanthryl derivative substitution compound represented by the following general formula (1). The compound according to the present invention can provide an organic electroluminescence device showing an extremely pure luminescence hue, and an optical output with high efficiency, high luminance, and long life.

Abstract: The present invention provides a fluorene compound having a novel substituent, and the fluorene compound is represented by the following formula [1]:

Abstract: An organic light-emitting device is provided which has an optical output with a high efficiency, a high luminance and a long life and which includes a pair of electrodes including an anode and a cathode, and at least one layer comprising an organic compound provided between the pair of electrodes, wherein at least one layer having a light-emitting region of the at least one layer comprising the organic compound comprises a first compound represented by the general formula (1): and a second compound having a bandgap larger than a bandgap of the first compound.

Abstract: There is provided an aminoanthryl derivative-substituted pyrene compound represented by the following general formula (1). The compound is useful as a compound for an organic light-emitting device exhibiting highly pure luminescent color, and an optical output with high efficiency, high luminance, and long life.

Abstract: A novel phenanthroline compound is provided which is represented by the general formula [I]: (wherein R1, R2, R3, R4, R5 and R6 are the same or different and each is selected from a hydrogen atom, an unsubstituted or substituted alkyl group, an unsubstituted or substituted aralkyl group, an unsubstituted or substituted aryl group, an unsubstituted or substituted heterocyclic group, and a halogen atom; and Ar1 and Ar2 are the same or different and each is selected from an unsubstituted or substituted fluorenyl group, an unsubstituted or substituted fluoranthenyl group, an unsubstituted or substituted perylenyl group, and an unsubstituted or substituted carbazolyl group). An organic light emitting device using the phenanthroline compound is also provided that has a light output with a high efficiency and a high luminance and has a high long-term durability.

Abstract: A silicon compound having a repeating unit represented by the following general formula (1): wherein R is a hydrogen atom, a straight or branched alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, Ar is a substituted or unsubstituted aryl group or an unsubstituted heterocyclic group, m is an integer of 2 or more, and n is an integer of 5,000 or less.

Abstract: To provide an organic light-emitting device that exhibits the hue of light emission having extremely high purity and has a light output having high luminance and long life with a high degree of efficiency. The organic light-emitting device comprises at least a pair of electrodes consisting of an anode and a cathode and one or more organic compound-containing layers sandwiched between the pair of electrodes, wherein at least one of the above described organic compound-containing layers contains at least one compound selected from the group consisting of the compounds represented by the following general formula [1] and at least one compound selected from the group consisting of the compounds represented by the following general formula [2].

Abstract: An organic luminescence device having an anode and a cathode and at least one organic luminescence function layer disposed between the anode and the cathode. At least one organic luminescence function layer described above includes a layer of a fused polynuclear compound represented by the following formula (I): wherein R1, R2, R3 and R4 independently denote hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group or cyano group; and Ar1 and Ar2 independently denote a substituted or unsubstituted fused polynuclear aromatic group or a substituted or unsubstituted fused polynuclear heterocyclic group.