Abstract: Provided are an amine compound having a benzofluorene structure and further having a dibenzofuran structure and/or a dibenzothiophene structure, and an organic electroluminescent device containing a cathode, an anode and an organic thin film layer intervening between the cathode and anode, the organic thin film layer comprising one layer or plural layers comprising at least an emitting layer, at least one layer of the organic thin film layer comprising the aforementioned amine compound solely or as a component of a mixture.

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: A fused amine compound including a furan ring or a thiophene ring and an organic electroluminescence device employing the amine compound. The organic electroluminescence device includes a cathode, an anode, and one or more organic thin film layers which are disposed between the cathode and the anode. The organic thin film layers include a light emitting layer and at least one layer of the organic thin film layers includes at least one amine compound.

Abstract: A compound represented by formula (1) provides an organic electroluminescence device having a low driving voltage and an excellent emission efficiency: wherein R1 to R8, R11 to R18, R21 to R28, R31 to R38, X, Y, L1, L2, L3, and Ar are as defined in the description.

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: A high-performance organic electroluminescence device and an electronic equipment provided with the organic electroluminescence device are provided. Also, a compound for achieving the organic electroluminescence device and the electronic 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 are provided.

Abstract: The compound represented by formula (1): wherein A, B, R1, and R2 are as defined in the description, provides organic electroluminescence (EL) devices having a high emission efficiency when operated at low voltage and a long lifetime and electronic devices including such organic EL devices.

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: A compound is represented by the following formula (1). In the formula (1), Ar is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, Ra are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, Rb1 to Rb4 are independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, Rc1 to Rc10 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, * is a bonding position at which one of Rc1 to Rc10 is bonded to either nitrogen atom, x is an integer from 0 to 3, y is an integer from 0 to 4, and z are independently an integer from 0 to 5.

Abstract: A compound represented by formula (1): wherein R1 to R5, a to e, L1 to L3, Ar, and X are as defined in the description.

Abstract: A compound represented by the following formula (1):

Abstract: An aromatic amine derivative is represented by a formula (1) below. In the formula (1), R2 to R5, R7 to R9 and R10 are each independently a hydrogen atom or a substituent. In the formula (1), R1 and R6 are represented by a formula (2) below, and L1 to L3 are each independently a single bond and the like. In the formula (2), Ar1 is a monovalent residue derived from the ring structure represented by a formula (4) below, X is an oxygen atom or a sulfur atom, and at least one of R11 to R18 is an alkyl group. In the formula (1), Ar2 represents a substituted or unsubstituted biphenyl group.

Abstract: A compound is represented by the following formula (1). In the formula (1), Ar is a substituted or unsubstituted aryl group including 6 to 30 ring carbon atoms, Ra are independently a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or a substituted or unsubstituted cycloalkyl group including 3 to 15 carbon atoms, Rb1 to Rb4 are independently a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, Rc1 to Rc10 are independently a hydrogen atom, a halogen atom, a cyano group, a substituted or unsubstituted alkyl group including 1 to 15 carbon atoms, or the like, * is a bonding position at which one of Rc1 to Rc10 is bonded to either nitrogen atom, x is an integer from 0 to 3, y is an integer from 0 to 4, and z are independently an integer from 0 to 5.

Abstract: An organic light-emitting medium including a pyrene derivative represented by the following formula (1) and a phenyl-substituted anthracene derivative represented by the following formula (2): wherein 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 20 ring atoms.

Abstract: An organic electroluminescence device comprising an anode, a cathode and an organic layer between the anode and the cathode, the organic layer comprising an emitting layer and at least one layer between the emitting layer and the anode, the emitting layer comprising a compound represented by the following formula (1), and the at least one layer between the emitting layer and the anode comprising a compound represented by the following formula (2):

Abstract: An organic electroluminescence device comprising an anode, a cathode and an organic layer between the anode and the cathode, the organic layer comprising an emitting layer and at least one layer between the emitting layer and the anode, the emitting layer comprising a compound represented by the following formula (1), and the at least one layer between the emitting layer and the anode comprising a compound represented by the following formula (2):

Abstract: An organic electroluminescence device comprising an anode, a cathode and an organic layer between the anode and the cathode, the organic layer comprising an emitting layer and at least one layer between the emitting layer and the anode, the emitting layer comprising a compound represented by the following formula (1), and the at least one layer between the emitting layer and the anode comprising a compound represented by the following formula (2):

Abstract: An aromatic amine derivative is represented by a formula (1) below. In the formula (1), R2 to R5, R7 to R9 and R10 are each independently a hydrogen atom or a substituent. In the formula (1), R1 and R6 are represented by a formula (2) below, and L1 to L3 are each independently a single bond and the like. In the formula (2), Ar1 is a monovalent residue derived from the ring structure represented by a formula (4) below, X is an oxygen atom or a sulfur atom, and at least one of R11 to R18 is an alkyl group. In the formula (1), Ar2 is an aryl group or a monovalent residue derived from the ring structure represented by the formula (4).

Abstract: A compound represented by formula (1) provides a high performance organic electroluminescence device and a novel material for realizing such an organic electroluminescence device: wherein R1 to R6, a to f, L1 to L3, and Ar are as defined in the description.

Abstract: A compound represented by formula (1) provides an organic electroluminescence device having the performance improved: wherein R1 to R3, a to c, L1 to L3, Ar1, and Ar2 are as defined in the description.