Abstract: Provided is an organic light-emitting element having high luminous efficiency and a long lifetime. The organic light-emitting element includes a pair of electrodes and an organic compound layer placed between the pair of electrodes, in which the organic compound layer includes an iridium complex having a benzo[f]isoquinoline of a specific structure as a ligand and a metal complex compound of a specific structure.

Abstract: An organic compound represented by formula (1). In formula (1), each of R1 to R22 is independently selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a silyl group, and a cyano group.

Abstract: An organic compound that emits red light having a long wavelength is represented by formula (1). In formula (1), R1 to R24 are each independently selected from the group consisting of a hydrogen atom, a halogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted or unsubstituted aryloxy group, a silyl group, and a cyano group.

Abstract: An organic photoelectric conversion element includes an anode, a cathode, and a photoelectric conversion portion between the anode and the cathode. The photoelectric conversion portion includes a first organic compound layer containing an organic compound. Also, a second organic compound layer is disposed between the cathode and the photoelectric conversion portion. The second organic compound layer contains an organic compound having an ionization potential of 5.1 eV or less and a band gap of 2.5 eV or more.

Abstract: The present disclosure provides an organic light emitting element which has a pair of electrodes and an organic compound layer disposed therebetween and in which the organic compound layer contains an organic compound represented by the following general formula [1], wherein in the formula [1], Ar1 and Ar2 each independently represent an aromatic hydrocarbon group or a heteroaromatic ring group, R1 to R4 are each independently selected from a hydrogen atom or a substituent, R1 and R2 and R3 and R4 each may form a benzene ring, wherein the benzene ring may have at least one substituent.

Abstract: Provided is a photoelectric conversion element including an anode, a photoelectric conversion layer that contains a first organic semiconductor, a second organic semiconductor, and a third organic semiconductor, and a cathode. As each of the first organic semiconductor, the second organic semiconductor, and the third organic semiconductor, a low-molecular weight organic semiconductor is used. The first organic semiconductor, the second organic semiconductor, and the third organic semiconductor have mass ratios that satisfy the following relationship: the first organic semiconductor?the second organic semiconductor?the third organic semiconductor. Further, when a total amount of the first organic semiconductor, the second organic semiconductor, and the third organic semiconductor is 100 mass %, a content of the second organic semiconductor is 6 mass % or more, and a content of the third organic semiconductor is 3 mass % or more.

Abstract: Provided is an organic metal complex having a structure represented by the following general formula (1): MLmL?n??(1) where: M represents a metal atom selected from Ir, Pt, Rh, Os, and Zn; L and L?, which are different from each other, each represent a bidentate ligand; m represents an integer of 1 to 3 and n represents an integer of 0 to 2, provided that m+n is 3; a partial structure MLm represents a structure represented by the following general formula (2): and a partial structure ML?n represents a structure including a monovalent bidentate ligand.

Abstract: The present disclosure provides a photoelectric conversion element including a lower electrode, a photoelectric conversion layer, and an upper electrode in this order; a voltage is applied between the lower electrode and the upper electrode; the photoelectric conversion layer contains a first organic compound and a second organic compound; the first organic compound has a lower oxidation potential than the second organic compound, and ?E represented by the following formula (A) satisfies the following formula (B); where ?E=oxidation potential of first organic compound?reduction potential of second organic compound (A) ?E?1.79[V]??(B).

Abstract: An organic EL element includes a first electrode, a first luminescent layer, a second luminescent layer, a third luminescent layer, and a second electrode, in this order. The second luminescent layer is in contact with the first luminescent layer and the third luminescent layer. The first luminescent layer contains a red dopant and a first host material. The second luminescent layer contains a blue dopant and a second host material, and the third luminescent layer contains a green dopant and the second host material. The second host material is different from the first host material.

Abstract: A stable 2,2?-bibenzo[d]imidazolidene compound is provided. The 2,2?-bibenzo[d]imidazolidene compound is expressed by the following General Formula (1). In General Formula (1), Ar1 to Ar8 each represent a substituted or unsubstituted condensed ring. R1 to R8 each represent a hydrogen atom or a substituent.

Abstract: A photoelectric conversion element including an anode, a cathode, and a photoelectric conversion layer, wherein the photoelectric conversion layer contains a first organic compound and a second organic compound, and difference between oxidation potential of first organic compound and reduction potential of second organic compound is larger than 1.5 [V], and the first organic compound is any one of general formulae [1] below, a fluoranthene derivative, and a metal complex, R1 represents a hydrogen atom or a substituent, Ar1, Ar2, and Z1 represents a substituent, n1 and n2 represents an integer of 0 to 4, and X1 to X3 represents a nitrogen atom, a sulfur atom, an oxygen atom, or a carbon atom.

Abstract: The present disclosure provides a photoelectric conversion element including a lower electrode, a photoelectric conversion layer, and an upper electrode in this order, wherein the photoelectric conversion layer includes a first organic compound and a second organic compound having a lower reduction potential than that of the first organic compound, the first organic compound has an emission lifetime of 1.1 ns or more in chloroform solution, and the first organic compound is an organic compound represented by Formula [1] according to claim 1, a fluoranthene derivative, or a metal complex.

Abstract: Provided is an organic metal complex having a structure represented by the following general formula (1): MLmL?n??(1) where: M represents a metal atom selected from Ir, Pt, Rh, Os, and Zn; L and L?, which are different from each other, each represent a bidentate ligand; m represents an integer of 1 to 3 and n represents an integer of 0 to 2, provided that m+n is 3; a partial structure MLm represents a structure represented by the following general formula (2): and a partial structure ML?n represents a structure including a monovalent bidentate ligand.

Abstract: The present disclosure provides an organic compound expressed by the following General Formula 1: In General Formula 1, a partial structure Z1 represents a condensed polycyclic group that may include a nitrogen atom in a skeleton, and that includes at least one of a five-membered ring and a six-membered ring. The partial structure Z1 may include, as a substituent, a carbonyl group, a dicyanovinylidene group, a halogen atom, a cyano group, an alkyl group, an alkoxy group, an aromatic heterocyclic group, or an aryl group. R1 and R2 represent an alkyl group, aryl group, an aromatic heterocyclic group, a halogen group, or a cyano group. Ar1 represents an arylene group or a divalent aromatic heterocyclic group, and Ar2 and Ar3 represent an aryl group or an aromatic heterocyclic group. n represents an integer of 1 to 4.

Abstract: An organic compound represented by the following general formula [1] is excellent in thermal stability. In the general formula [1], R1 to R12 are each independently selected from the group consisting of a hydrogen atom and a substituent. Symbol A is selected from the group consisting of a divalent residue of naphthalene, phenanthrene, fluorene, benzofluorene, dibenzofluorene or spirofluorene, and a heteroarylene group having 4 to 12 carbon atoms. Symbol B is selected from the group consisting of an arylene group having 6 to 25 carbon atoms and a heteroarylene group having 4 to 12 carbon atoms. Symbol n is an integer of 0 to 3.

Abstract: An organic compound represented by the following formula [1] has a high absorption coefficient in a long wavelength region and is thermally stable. In formula [1], Ar1 and Ar2 each represent a group independently selected from the group consisting of aryl group and heterocyclic groups, and A represents a cyclic structure. m represents an integer of 0 to 2. Q represents a structure represented by one of the following formulas [1-1] and [1-2], wherein n represents an integer of 0 to 2, and when n is 2, the two R4's may be the same as or different from each other, and the two R5's may be the same as or different from each other.

Abstract: The present invention provides an organic compound represented by general formula [1] described in claims. In general formula [1], Ar1 and Ar2 are each independently selected from an aryl group and a heteroaryl group. In general formula [1], R1 to R3 are each a hydrogen atom or a substituent. R4 is an electron-withdrawing substituent. X1 is oxygen or sulfur. Y1 to Y3 are each independently selected from a carbon atom and a nitrogen atom.

Abstract: Provided is an organic compound represented by the general formula [1]: in the formula [1], R1 to R18 each represent a hydrogen atom, an alkyl group having 1 or more and 8 or less carbon atoms, an aromatic hydrocarbon group having 6 or more and 18 or less carbon atoms, or an aromatic heterocyclic group having 3 or more and 15 or less carbon atoms, and may be identical to or different from each other, and the plurality of R17's or the plurality of R18's may be identical to or different from each other, and the R1 to the R18 may each further have a substituent selected from a halogen atom and an alkyl group having 1 or more and 8 or less carbon atoms, and n represents an integer of 1 or more and 3 or less.

Abstract: Provided is an organic compound represented by the following general formula [1], the compound having an absorption peak in a long wavelength region: where Ar1 and Ar2 each represent an aryl group having 6 or more and 18 or less carbon atoms or the like, R1 and R2 each represent an alkyl group or the like, R3 represents a hydrogen atom or the like, Y1 to Y3 are each independently selected from a methine group and a nitrogen atom, R4 represents a substituent represented by the general formula [1-1] or the like, and R5 represents a hydrogen atom or a substituent.

Abstract: Provided is an organic compound represented by the following general formula [1], the compound having an absorption peak in a long wavelength region of a visible light region: where Ar1 and Ar2 each represent an aryl group or the like, Ar3 represents an arylene group or the like, m represents an integer of 0 to 3, R1 to R4 each represent a hydrogen atom or the like, X1 and X2 are each independently selected from oxygen and sulfur, Q represents, for example, a substituent represented by the general formula [1-1], R5 to R7 each represent a hydrogen atom or the like, and n represents an integer of 0 to 2.