Abstract: A compound may be capable of further improving the capability of an organic EL device. An organic electroluminescent device may have a further improved device capability using such compound(s). An electronic device may include such an organic electroluminescent device. Such compounds may have formula (1) wherein the symbols are as defined in the description.

Abstract: a compound represented by formula (A): wherein Ar, R1 to R7, R11 to R14, R21 to R24, R31 to R34, *1, and R41 to R48 are as defined in the description provides organic electroluminescence devices with improved device performance.

Abstract: A compound that further improves the performance of an organic EL device, an organic electroluminescent device having a further improved device performance, and an electronic device including the organic EL device are provided, and a compound represented by the following formula (1) (the symbols in the formula are defined in the description), an organic electroluminescent device including the compound, and an electronic device including the organic electroluminescent device are provided.

Abstract: A compound represented by the following formula (1) (wherein the symbols are as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.

Abstract: A compound represented by formula (A): wherein Ar, R1 to R7, R11 to R14, R21 to R24, R31 to R34, *1, and R41 to R48 are as defined in the description provides organic electroluminescence devices with improved device performance.

Abstract: A compound represented by the following formula (1A) or (1B): (the symbols in the formulae (1A) and (1B) have the same meaning as defined in the specification), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.

Abstract: A compound that is capable of achieving an organic EL device that has a high external quantum efficiency and a long lifetime is to be provided, and a compound represented by the following formula (1) is used (wherein in the formula, R11 to R17, R21 to R28, R31 to R38, R41 to R45, R51 to R55, R61 to R64, and L1 are defined in the description).

Abstract: Provided are a compound that further improves the capability of an organic EL device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device. Precisely provided are: a compound represented by the following formula (1) (wherein N*, Ar, L, X, *a, *b1, *b2, *b3, m, n, R11 to R14, R15 to R22, R31 to R40, and R41 to R48 are as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.

Abstract: Compounds of formula (1): wherein each symbol is as defined in the description, may provide an organic electroluminescence device having a further improved performance.

Abstract: A compound represented by the following formula (1): The R1 to R9, L1 to L3, and Ar1 to Ar2 in the formula (1) are as defined in the description. An organic electroluminescence device contains the compound, and an electronic instrument includes the organic electroluminescence device.

Abstract: Provided are: a compound that further improves the capability of an organic EL device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device. Precisely provided are: a compound represented by the following formula (1A) or formula (1B) (wherein the symbols are as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.

Abstract: To provide a compound for further improving the capability of an organic EL device, an organic electroluminescent element having a further improved device capability, and an electronic device including the organic electroluminescent element. Disclosed are a compound represented by the following formula (1) or formula (2) (wherein each symbol in each formula is as defined in the description), an organic electroluminescent element containing the compound, and an electronic device including the organic electroluminescent element.

Abstract: An organic electroluminescence device having an improved performance and a compound represented by formula (1), which is a novel material that enables the organic electroluminescence device: wherein, X, Ar1 to Ar5, R1 to R20, *a, and *b are the same as those defined in the specification.

Abstract: The compound represented by formula (1): wherein symbols are as defined in the description, provides an organic electroluminescence device having a device performance further improved.

Abstract: An organic electroluminescence device having an improved performance and a compound represented by formula (1), which is a novel material that enables the organic electroluminescence device: wherein, X, Ar1 to Ar5, R1 to R20, *a, and *b are the same as those defined in the specification.

Abstract: Provided are a compound capable of more improving the performance of organic EL devices, an organic electroluminescent device having a more improved device performance, and an electronic device including such an organic electroluminescent device; precisely, a compound represented by the following formula (1) wherein X1, X2, X3, L, R1 to R3, R5 to R8, R11 to R13, R15 to R18, R21 to R24, and R25 to R28 are as defined in the description, an organic electroluminescent device containing the compound, and an electronic device including such an organic electroluminescent device.

Abstract: An organic electroluminescence device includes: a first emitting layer disposed between an anode and a cathode; a second emitting layer disposed between the first emitting layer and the cathode; and an electron blocking layer disposed between the first emitting layer and the anode, in which the first emitting layer and the second emitting layer are in direct contact with each other; the first emitting layer and the electron blocking layer are in direct contact with each other; the first emitting layer includes a first compound represented by a formula (1) below; the first compound includes at least one group represented by a formula (11) below; the second emitting layer includes a second compound represented by a formula (2); the electron blocking layer includes a third compound; and the third compound satisfies a formula (M1) below.

Abstract: A novel compound represented by formula (1): wherein R1 to R7, R11 to R18, L1 to L3, a to c, n, and Ar are as defined in the description, provides an organic electroluminescence device having a device lifetime further improved.

Abstract: To provide a compound for further improving the capability of an organic EL device, an organic electroluminescent device having a further improved device capability, and an electronic device including the organic electroluminescent device, and to provide a compound represented by the following formula (1) or formula (2) (wherein each symbol in each formula is as defined in the description), an organic electroluminescent device containing the compound, and an electronic device including the organic electroluminescent device.

Abstract: An organic electroluminescence device includes: a first emitting layer disposed between an anode and a cathode; a second emitting layer disposed between the first emitting layer and the cathode; and an electron blocking layer disposed between the first emitting layer and the anode, in which the first emitting layer and the second emitting layer are in direct contact with each other; the first emitting layer and the electron blocking layer are in direct contact with each other; the first emitting layer includes a first compound represented by a formula (1) below; the first compound includes at least one group represented by a formula (11) below; the second emitting layer includes a second compound represented by a formula (2); the electron blocking layer includes a third compound; and the third compound satisfies a formula (M1) below.