Abstract: A compound having an indolocarbazole ring structure is represented by the following general formula (1), and is used as a material for forming a highly efficient and highly durable organic electroluminescent device. The compound features excellent hole injection/transport capability, has electron blocking power and is highly stable in the form of a thin film. wherein, A is a divalent aromatic hydrocarbon group or aromatic heterocyclic group, Ar1 to Ar4 are monovalent aromatic hydrocarbon groups or aromatic heterocyclic groups, and R1 to R9 are hydrogen atoms, deuterium atoms, fluorine atoms, chlorine atoms, cyano groups, nitro groups, alkyl groups, cycloalkyl groups, alkenyl groups, alkyloxy groups, cycloalkyloxy groups, aromatic hydrocarbon groups, aromatic heterocyclic groups or aryloxy groups.

Abstract: A compound having an indolocarbazole ring structure is represented by the following general formula (1), and is used as a material for forming a highly efficient and highly durable organic electroluminescent device. The compound features excellent hole injection/transport capability, has electron blocking power and is highly stable in the form of a thin film. wherein, A is a divalent aromatic hydrocarbon group or aromatic heterocyclic group, Ar1 to Ar4 are monovalent aromatic hydrocarbon groups or aromatic heterocyclic groups, and R1 to R9 are hydrogen atoms, deuterium atoms, fluorine atoms, chlorine atoms, cyano groups, nitro groups, alkyl groups, cycloalkyl groups, alkenyl groups, alkyloxy groups, cycloalkyloxy groups, aromatic hydrocarbon groups, aromatic heterocyclic groups or aryloxy groups.

Abstract: Objects of the invention are to provide an organic compound having excellent properties, which is excellent in eleclron-injecting/transporling performance, has hole-blocking ability, and is highly stable in a thin-film state, as a material for an organic electroluminescent devices having a high-efficiency and a high durability; and to provide an organic electroluminescent device having a high-efficiency and a high durability using the compound. The invention relates to: a compound having a pyridoindolc ring structure bonded with a substituted pyridyl group and an organic electroluminescent device comprising a pair of electrodes and at least one organic layer interposed between the electrodes.

Abstract: The present invention provides an organic compound having excellent properties, which is excellent in electron-injection/transport performance, has hole-blocking ability and is high stability in a thin-film state, as a material for an organic electroluminescence device having a high efficiency and a high durability, and provides is an organic electroluminescence device having a high efficiency and a high durability using the compound. The present invention relates to a compound having a substituted anthracene ring structure and a pyridoindole ring structure represented by general formula (1); and an organic electroluminescence device having a pair of electrodes and at least one organic layer interposed between the electrodes in which the at least one organic layer contains the compound.

Abstract: The present invention provides an organic compound having excellent properties, which is excellent in electron-injection/transport performance, has hole-blocking ability and is high stability in a thin-film state, as a material for an organic electroluminescence device having a high efficiency and a high durability, and provides is an organic electroluminescence device having a high efficiency and a high durability using the compound. The present invention relates to a compound having a substituted anthracene ring structure and a pyridoindole ring structure represented by general formula (1); and an organic electroluminescence device having a pair of electrodes and at least one organic layer interposed between the electrodes in which the at least one organic layer contains the compound.

Abstract: There is provided an organic compound of excellent characteristics that exhibits excellent hole-injecting/transporting performance and has high triplet exciton confining capability with an electron blocking ability, and that has high stability in the thin-film state and high luminous efficiency. The compound is used to provide a high-efficiency, high-durability organic electroluminescent device, particularly a phosphorescent organic electroluminescent device. The present invention is a compound of the following general formula having a carbazole ring structure. The compound is used as a constituent material of at least one organic layer in an organic electroluminescent device that includes a pair of electrodes, and one or more organic layers sandwiched between the pair of electrodes.

Abstract: Provided is a compound having a substituted pyridyl group and a pyridoindole ring structure linked through a phenylene group, having formula (1), and an organic EL device with a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the at least one organic layer having the compound:

Abstract: The present invention provides an organic compound having excellent properties, which is excellent in electron-injection/transport performance, has hole-blocking ability and is high stability in a thin-film state, as a material for an organic electroluminescence device having a high efficiency and a high durability, and provides is an organic electroluminescence device having a high efficiency and a high durability using the compound. The present invention relates to a compound having a substituted anthracene ring structure and a pyridoindole ring structure represented by general formula (1); and an organic electroluminescence device having a pair of electrodes and at least one organic layer interposed between the electrodes in which the at least one organic layer contains the compound.

Abstract: Objects of the present invention are to provide an organic compound having excellent properties, which is excellent in electron-injecting/transporting performances, has hole-blocking ability and is highly stable in a thin-film state, as a material for an organic electroluminescent device having a high efficiency and a high durability; and to provide an organic electroluminescent device having a high efficiency and a high durability using the compound.

Abstract: Objects of the invention are to provide an organic compound having excellent properties, which is excellent in electron-injecting/transporting performance, has hole-blocking ability, and is highly stable in a thin-film state, as a material for an organic electroluminescent devices having a high-efficiency and a high durability; and to provide an organic electroluminescent device having a high-efficiency and a high durability using the compound. The invention relates to: a compound having a pyridoindole ring structure bonded with a substituted pyridyl group, which is represented by the following general formula (1); and an organic electroluminescent device comprising a pair of electrodes and at least one organic layer interposed between the electrodes, wherein the at least one organic layer contains the compound.