Abstract: A compound is represented by a formula (1) below. In the formula (1), n is 1 or 2. Ar1 is represented by a formula (2) below. Ar2 represents a substituted or unsubstituted aromatic hydrocarbon group having 6 to 30 carbon atoms, or a substituted or unsubstituted heterocyclic group having 1 to 20 ring atoms. Ara is represented by a formula (3) below.

Abstract: An organic electroluminescence device sequentially includes an anode, an emitting layer, an electron-transporting region, and a cathode, the electron-transporting region including an electron-transporting material that includes a cyano group and an aromatic ring group.

Abstract: An organic electroluminescence device having higher performance, in particular exhibiting a better driving voltage and a better external quantum efficiency, while having an extended lifetime; and an electronic equipment provided with the organic electroluminescence device are provided. In addition, a compound for realizing the same device and equipment is provided. Specifically, a compound having a specific structure having a triphenylene skeleton; an organic electroluminescence device using the compound; and an electronic equipment provided with the organic electroluminescence device were provided.

Abstract: An oxygen-containing fused ring derivative represented by the following formula (1) wherein Ar1 is an m-valent fused ring group in which four or more rings including one or more rings selected from a furan ring and a pyran ring are fused and HAr is any of the nitrogen-containing heterocyclic group represented by the following formulas (2) to (5):

Abstract: A compound represented by the following formula (1). In the formula (1), at least one of Ar1 to Ar4 is a group represented by the following formula (2).

Abstract: An organic electroluminescence device having good emission efficiency is provided. The organic electroluminescence device includes an amine compound which includes a benzofluorene structure and an aryl group and/or a heteroaryl group, wherein the benzofluorene structure has a specific substituent at 9-position of the fluorene ring.

Abstract: An organic electroluminescence device that includes an anode, an emitting layer that includes a host and a fluorescent dopant, an electron transporting zone, a cathode, a blocking layer adjacent to the emitting layer in the electron transporting zone where the blocking layer includes an aromatic heterocyclic derivative with an azine ring and where the triplet energy ETb (eV) of the aromatic heterocyclic derivative is larger than a triplet energy ETh (eV) of the host.

Abstract: The present invention provides a compound having a fluoranthene skeleton represented by the formula (1); an organic electroluminescence device having plural organic thin film layers including a light-emitting layer between a cathode and an anode, wherein at least one layer of the organic thin film layers contains the compound; and an electronic equipment provided with the organic electroluminescence device. The organic electroluminescence device realizes further lower voltage driving and has high emission efficiency. [In the formula (1), X1 to X10, L, R1 to R9, and n are as stated in the description.

Abstract: A novel carbazole derivative represented by formula (1) in which two or more groups each having a specific structure, such as a carbazolyl group, are bonded to two or more of 2-, 3- and 4-positions of the carbazole derivative is useful as a material for organic electroluminescence devices. A material for organic electroluminescence devices including the carbazole derivative, an organic electroluminescence device employing the carbazole derivative, and an electronic equipment are described. wherein at least two selected from B1 to B3 are represented by formula (2) and A, X1 to X4, L, n, Y, and R1 to R8 are as defined in claim 1.

Abstract: An anthracene derivative is represented by the following formula (1). In the formula (1), one of R11 to R20 is used to bond to L1, and is a single bond. The remainder of R11 to R20 that are not used to bond to L1 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, or the like. L1 is a single bond, a substituted or unsubstituted divalent aromatic hydrocarbon group including 6 to 50 ring carbon atoms, or the like. Z has a structure represented by the following formula (2). In the formula (2), one of R1, R3, and R4 is used to bond to L1, and is a single bond. The remainder of R1, R3, and R4 that are not used to bond to L1, R2, and R5 to R10 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 20 carbon atoms, or the like.

Abstract: An organic EL device with high emission efficiency, an electronic equipment including the organic EL device, and a compound providing the organic EL device are provided.

Abstract: A compound of the invention is represented by a formula (1) below. In the formula (1), Cz is represented by a formula (1a) below and Az is represented by a formula (11) below.

Abstract: An organic electroluminescence device includes a pair of electrodes and an organic compound layer therebetween. The organic compound layer includes an emitting layer. The emitting layer includes a pyrene derivative represented by formula (1), such that a content of the pyrene derivative in the emitting layer is 50 to 100 wt %. Ar1 and Ar2 are independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms. X1 and X3 to X8 are a hydrogen atom. X2 is a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, provided that Ar1 or Ar2 is different from X2. In a case where any of Ar1, Ar2, and X2 is the aryl group having a substituent, the substituent is independently an alkyl group, a cycloalkyl group, an aryl group, a silyl group, or a cyano group.

Abstract: A material for an organic electroluminescence device including a compound represented by any of the formulas (1) to (3):

Abstract: An organic electroluminescence device that includes an anode, an emitting layer that includes a host and a fluorescent dopant, an electron transporting zone, a cathode, a blocking layer adjacent to the emitting layer in the electron transporting zone where the blocking layer includes an aromatic heterocyclic derivative with an azine ring and where the triplet energy ETb (eV) of the aromatic heterocyclic derivative is larger than a triplet energy ETh (eV) of the host.

Abstract: An organic electroluminescence device according to the invention includes: a cathode; an anode; and an organic layer being interposed between the cathode and the anode, the organic layer comprising one or more layers comprising at least an emitting layer. The emitting layer contains: an anthracene derivative represented by a formula (1) below; and a pyrene derivative represented by a formula (21) below.

Abstract: A benzo[k]fluoranthene derivative represented by the following formula (1): wherein R1 to R12 are as defined in the specification. The benzo[k]fluoranthene derivative represented by the formula (1) reduces a driving voltage of an organic electroluminescence device and makes it possible to realize light emission with high efficiency and long lifetime.

Abstract: A compound is shown by the following formula (1). wherein l, m, and n are independently an integer from 1 to 3, Ar1 to Ar4 are independently a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroaryl group having 5 to 30 ring atoms, Ar5, Ar6, and Ar7 are independently a substituted or unsubstituted arylene group having 6 to 30 ring carbon atoms, or a substituted or unsubstituted heteroarylene group having 5 to 30 ring atoms, and p is an integer from 0 to 2, and Ar6 and N are bonded via a single bond when p is 0, provided that at least one of Ar1 to Ar4 is substituted with a substituted silyl group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, or a substituted or unsubstituted cycloalkyl group having 3 to 10 carbon atoms, and at least one of Ar1 to Ar4 is substituted with a cyano group.

Abstract: A fused fluoranthene compound including a specific ring structure at a specific position of a fluoranthene skeleton is a novel material useful as a material for organic electroluminescence devices.

Abstract: An anthracene derivative represented by the following formula (1): wherein in the formula (1), L1 is selected from a single bond and a linking group, and the linking group is selected from a divalent arylene group, a divalent heterocyclic group, and a group formed by linking of 2 to 4 of divalent arylene groups and/or divalent heterocyclic groups. Ar1 is selected from the following formulas (2) and (3). In the formulas (2) and (3), X is selected from an oxygen atom and a sulfur atom. In the formula (2), any one of R11 to R14 is used for bonding to L1. In the formula (3), any one of R21 to R24 is used for bonding to L1. Ar2 is selected from a substituted or unsubstituted aryl group including 6 to 50 ring carbon atoms and a substituted or unsubstituted heterocyclic group including 5 to 50 ring atoms.