Abstract: The present invention relates to aromatic amine derivatives having a specific structure; and organic electroluminescent devices comprising a cathode, an anode and one or plural organic thin film layers including at least a light emitting layer which are sandwiched between the cathode and the anode wherein at least one of the organic thin film layers contains the above aromatic amine derivatives in the form of a single substance or a component of a mixture. There are provided the organic electroluminescent devices exhibiting a long life and a high efficiency of light emission which are capable of emitting a blue light having a high color purity, as well as the aromatic amine derivatives capable of realizing such organic electroluminescent devices.

Abstract: An anthracene derivative represented by the following general formula (1) which enables an organic electroluminescence device to exhibit a great efficiency of light emission and uniform light emission even at high temperatures since crystallization is suppressed and no thermal decomposition takes place during vapor deposition and an organic electroluminescence device utilizing the derivative, are provided. [Ar represents a group represented by the following general formula (2): (L1 and L2 each represent a substituted or unsubstituted methylene group, ethylene group or the like, and at least one of them is present), Ar? represents a substituted or unsubstituted aryl group having 6 to 50 nuclear carbon atoms, X represent an alkyl group or the like, a and b each represent an integer of 0 to 4, and n represents an integer of 1 to 3.

Abstract: A novel compound which is useful as a constitutional component for an organic EL device is provided by an aminodibenzofluorene derivative comprising (A) at least one dibenzofluorene structure and (B) at least one amino group in a molecule, a material for an organic electroluminescence (EL) device comprising the same, a light emitting material for an organic EL device, a light emitting organic solution, an organic EL device in which an organic compound layer comprising a single layer or plural layers including at least a light emitting layer is interposed between a pair of electrodes, wherein at leas one layer in the organic compound layer described above contains at least one kind of the aminodibenzofluorene derivative described above and an equipment comprising the same. A practical organic EL device which has a low operating voltage, a long lifetime and a high current efficiency and which provides blue light emission having an excellent color purity is materialized by using the above compound.

Abstract: Provided is an organic electroluminescence device which includes an organic thin film layer composed of one or more layers including at least one light emitting layer, the organic thin film layer being interposed between a cathode and an anode, in which at least one layer of the organic thin layer contains an asymmetric fluorene-based derivative compound of a specific structural formula and an amine compound of a specific structural formula. This organic electroluminescence device has excellent heat resistance and a long lifetime and can emit any of blue, green, and red lights at a high luminous efficiency.

Abstract: The present invention relates to aromatic amine derivatives having a specific structure in which a substituted anthracene structure is bonded to an amine structure substituted with benzene rings having substituent groups; and organic electroluminescence devices comprising a cathode, an anode and one or plural organic thin film layers having at least a light emitting layer which are sandwiched between the cathode and the anode wherein at least one of the organic thin film layers contains the above aromatic amine derivative in the form of a single substance or a component of a mixture. There are provided organic electroluminescence devices having a high luminance of light emitted and a high efficiency of blue light emission and exhibiting a long life, as well as novel aromatic amine derivatives capable of realizing such organic electroluminescence devices.

Abstract: An anthracene derivative with a specified asymmetrical type structure. An organic electroluminescence device which comprises at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the anthracene derivative. An organic electroluminescence device which emits blue light of enhanced purity and has a long lifetime is provided.

Abstract: The present invention provides an organic electroluminescent device material composed of an aromatic amine derivative having a specific structure in which amine moieties are linked to a chrysene moiety; and an organic electroluminescent device having a cathode, an anode, and one or more organic thin-film layers interposed between the cathode and the anode, the organic thin-layers including at least a light-emitting layer, wherein at least one of the organic thin-film layers contains the organic electroluminescent device material in the form of single component material or a mixture of a plurality of components. The organic electroluminescent device material and the organic electroluminescent device containing the material attains a long service life and can emit blue light of high color purity at high emission efficiency.

Abstract: A specified aromatic amine derivative having a chrysene structure. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices having a long lifetime and a high efficiency of light emission, and aromatic amine derivatives capable of realizing such organic electroluminescence devices are provided.

Abstract: An organic electroluminescent device 1 including: an anode 12, a cathode 14 and an organic emitting layer 13 held therebetween, the organic emitting layer 13 containing one or more host materials, a hole trapping dopant and an electron trapping dopant. The lifetime of an organic EL device 1 can be improved by causing a hole-trapping dopant and an electron-trapping dopant to be together present in its organic emitting layer.

Abstract: A specified aromatic amine derivative having a chrysene structure. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices having a long lifetime and a high efficiency of light emission, and aromatic amine derivatives capable of realizing such organic electroluminescence devices are provided.

Abstract: An aromatic amine derivative with a specified structure. An organic electroluminescence device which comprises one or more organic thin film layers having at least one light emitting layer sandwiched between a cathode and an anode, wherein at least one of the organic thin film layers comprises the aromatic amine derivative singly or in combination. The organic EL device employing the aromatic amine derivative has sufficient lifetime, exhibits an enhanced efficiency of light emission, and emits highly pure blue light.

Abstract: The present invention provides an aromatic amine derivative having a specific structure including a substituted diphenylamino group attached to a naphthalene structure. This aromatic amine derivative can realize an organic electroluminescent element having high emission luminance and luminous efficiency and having a prolonged lifetime. The organic electroluminescent element includes an organic thin film layer provided between a cathode and an anode. The organic thin film layer has a single layer or multilayer structure including at least a light emitting layer. At least one layer in the organic thin film layer contains the aromatic amine derivative either solely or as a component of a mixture.

Abstract: An anthracene derivative with a specified asynmetrical type structure. An organic electroluminescence device which comprises at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the anthracene derivative. An organic electroluminescence device which emits blue light of enhanced purity and has a long lifetime is provided.

Abstract: Provided is a novel aromatic amine derivative with specified structure. Also provided is an organic electroluminescence device having one or more organic thin-film layers including at least a luminescent layer interposed between a cathod and an anode, in which at least one of the organic thin-film layers contains the above aromatic amine derivative alone or as a component of mixture. As a result, there is provided an organic electroluminescence device that has high emission luminance and high heat resistance, excelling in high-temperature storage ability and has long life, and provided an aromatic amine derivative for realizing the organic electroluminescence device.

Abstract: A white organic electroluminescent device (1) including an emitting layer (5, 6 and 7) interposed between an anode (2) and a cathode (9), the emitting layer (5, 6 and 7) emitting blue light, green light and red light, the emitting layer (6) containing a green dopant that is an aromatic amine compound represented by formula (1), wherein A1, A2 and R12 are a hydrogen atom, an alkyl group, an aryl group, a cycloalkyl group, an alkoxy group, an aryloxy group, an arylamino group, an alkylamino group or a halogen atom; d and e are independently 1 to 5; h is 1 to 9; R11 is a secondary or tertiary alkyl or cycloalkyl group; f is 1 to 9; g is 0 to 8 and f+g+h is 2 to 10.

Abstract: A specified aromatic amine derivative having a naphthalene structure bonding to diphenylamino group with a substituent. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices having a long lifetime and a high efficiency of light emission, and aromatic amine derivatives capable of realizing such organic EL devices are provided.

Abstract: Provided is an organic electroluminescence device including one or two or more organic thin-film layers having at least a light emitting layer interposed between a negative electrode and a positive electrode, in which the light emitting layer contains a pyrene derivative of a specified structure and an amine compound of a specified structure. The organic electroluminescence device excels in heat resistance, ensures long life and high luminous efficiency, and is capable of emitting blue, green and red lights.

Abstract: A fluoranthene compound with a specified asymmetric structure; an organic EL device which is composed of one or more organic compound layers including at least one emitting layer sandwiched between a pair of electrodes, wherein at least one of the organic compound layers contains at least one kind of the fluoranthene compound; and a solution containing a material for the organic EL which is composed of the fluoranthene compound as the material for the organic EL and a solvent. An organic electroluminescence (EL) device having a superior luminance of light emission, an enhanced efficiency of light emission, and a prolonged lifetime and a compound realizing the device are provided.

Abstract: A specified aromatic amine derivative having a naphthalene structure bonding to diphenylamino group with a substituent. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices having a long lifetime and a high efficiency of light emission, and aromatic amine derivatives capable of realizing such organic EL devices are provided.

Abstract: A specified aromatic amine derivative having a chrysene structure. An organic electroluminescence device which comprises at least one organic thin film layer comprising a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the aromatic amine derivative singly or as its mixture component. Organic electroluminescence devices having a long lifetime and a high efficiency of light emission, and aromatic amine derivatives capable of realizing such organic electroluminescence devices are provided.