Abstract: Provided are a cyclopentaphenanthrene-based compound and an organic EL device using the same. The cyclopentaphenanthrene-based compound is easy to prepare and excellent in solubility, color purity, and color stability. The cyclopentaphenanthrene-based compound is useful as a material for forming an organic layer, in particular, a light-emitting layer in an organic EL device, and as an organic dye or an electronic material such as a nonlinear optical material.

Abstract: The present invention relates to electroluminescent polymers which comprise indenofluorenarylamine derivatives as recurring units, to a process for the preparation thereof, to blends and formulations comprising these polymers, and to the use of these polymers or blends in electronic devices, in particular in organic light-emitting diodes, so-called OLEDs.

Abstract: A dibenzofluoranthene compound represented by the following formula (A). In the formula at least one of R1 to R14 is an amino group represented by the following formula (S); R1 to R14 that is not an amino group represented by the formula (S) are independently a hydrogen atom, a C1-C40 substituted or unsubstituted alkyl group, a C2-C40 substituted or unsubstituted alkenyl group, a C2-C40 substituted or unsubstituted alkynyl group, a C6-C40 substituted or unsubstituted aryl group, a C3-C40 substituted or unsubstituted heteroaryl group, a C1-C40 substituted or unsubstituted alkoxy group or a C6-C40 substituted or unsubstituted aryloxy group. In the formula (S), Ra and Rb are independently a C6-C40 substituted or unsubstituted aryl group or a C1-C40 substituted or unsubstituted alkyl group; and Ra and Rb may combine with each other to form a ring.

Abstract: Novel aromatic amine compounds are provided. Light-emitting elements having high emission efficiency and high reliability are provided. Further, light-emitting devices and electronic devices using the light-emitting devices are provided. Specifically, an aromatic amine compound represented by the general formula (1), and light-emitting elements, light-emitting devices and electronic devices that are formed using the aromatic amine compound represented by the general formula (1) are provided. By using the aromatic amine compound represented by the general formula (1) for light-emitting elements, light-emitting devices and electronic devices, the light-emitting elements, light-emitting devices and electronic devices can have high emission efficiency.

Abstract: The present invention provides an organic light emitting device comprising a first electrode, at least one organic layer and a second electrode, laminated successively, in which at least one layer of the organic layer has a polycyclic aromatic hydrocarbon as a core and comprises at least one of a derivative in which a substituted or unsubstituted C2-30 cycloalkane, or a substituted or unsubstituted C5-50 polycycloalkane is directly fused to the core or fused to a substituent of the core; and a new organic compound usable in the organic light emitting device. Furthermore, the present invention provides a charge carrier extracting, injecting or transporting material which has a polycyclic aromatic hydrocarbon as a core and comprises a derivative in which a substituted or unsubstituted C2-30 cycloalkane, or a substituted or unsubstituted C5-50 polycycloalkane is directly fused to the core or fused to a substituent of the core.

Abstract: An organic compound is an acenaphtho[1,2-k]benzo[e]acephenanthrene derivative represented by general formula (1): where R1 and R2 are each independently selected from 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, and a substituted or unsubstituted heterocyclic group.

Abstract: A novel fluorene-containing compound and an organic electroluminescent device including an organic layer employing the same. The fluorene-containing compound has excellent electrical characteristics and an excellent charge transporting capability, and so can be used as a hole injecting material, hole transporting material, and/or emitting material that is suitable for all-color fluorescent and phosphorescent devices, such as red, green, blue, and white fluorescent and phosphorescent devices. Accordingly, an organic electroluminescent device employing the fluorene-containing compound has high efficiency, a low driving voltage, high brightness, and a long lifetime.

Abstract: A material for a light-emitting element is represented by a general formula (G1). In the general formula (G1), Ar1 represents a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, Ar2, Ar3, and Ar4 each independently represent a substituted or unsubstituted arylene group having 6 to 13 carbon atoms, R1 to R8 independently represent hydrogen or an alkyl group having 1 to 4 carbon atoms, R11 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, and R12 represents an alkyl group having 1 to 4 carbon atoms or a substituted or unsubstituted aryl group having 6 to 13 carbon atoms.

Abstract: Embodiments of the present invention are directed to heteroarylamine compounds and organic light-emitting devices including the heteroarylamine compounds. The organic light-emitting devices using the heteroarylamine compounds have high-efficiency, low driving voltages, high luminance and long lifespans.

Abstract: The present invention relates to a method for producing carbon nanomaterials and/or carbon micromaterials, in particular multi-wall carbon nanotubes. The method is characterized according to the invention in that at least one molecule that has a reactive group in terminal position is bound to the surface of the material. In addition, the invention also relates to a correspondingly modified material.

Abstract: The present invention claims fluoro- & iodo-containing aldehydes as ALDH substrates for use as diagnostic imaging agents or as therapeutic agents. The aldehydes are both directly and indirectly attached to an aromatic or a straight chain ring. ALDH activity was monitored either by the formation of acid-product or consumption of aldehyde substrates.

Abstract: There is provided a green luminescent material having Formula I or Formula II R1 and R2 can be the same or different and can be hydrogen, alkoxy, tertiary alkyl, or cycloalkyl. R3 and R4 are the same or different and can be fluorine, aryl, or alkyl. There is also provided an organic electronic device containing the green luminescent material.

Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.

Abstract: A subject for the invention is to provide compounds where a film formation can be made by a wet film formation method, a heating temperature at the film formation is low, the film formed therefrom has high stability, and the other layers can be laminated thereon by a wet film formation method or another method. The compounds are usable as a material for electronic device which decreases little in charge transport efficiency or luminescent efficiency and which have excellent driving stability. The invention resides in a compound and a polymer which are characterized by having a elimination group of a specific structure and in an organic compound characterized by having a elimination group having a low elimination temperature.

Abstract: There is provided an a host material and a dopant material, wherein the host material is a compound having one of Formulae I-VI: In the formulae, R1 is the same or different at each occurrence and represents an optional substituent which may be present at any or all of the available sites and may be D, alkyl, aryl, alkoxy, aryloxy, oxyalkyl, alkenyl, silyl, or siloxane; Ar1, Ar2, and Ar3 are the same or different at each occurrence and are aryl groups; a is an integer from 2-6; and b is an integer from 1-3.

Abstract: This invention relates to an arylamine compound having a molecular weight of 1,500 to 6,000 represented by formula (1), and to an organic electroluminescence device having a pair of electrodes and at least one organic layer sandwiched therebetween, wherein the arylamine compound of formula (1) is used as a constituting material of the at least one organic layer: wherein X represents a single bond, CH or CH2, or N or NH; Ar1 and Ar2 are respectively the same and each represents a substituted or unsubstituted phenylene group; R1, R2, R3, and R4 each independently represents an aryl group, wherein the aryl group may be substituted by a diarylamine group in such a manner as to form a triphenylamine partial structure, and the aryl group at the terminal may be substituted, by repetition, by a diarylamino group in such a manner as to form a triphenylamine partial structure; m represents an integer of 0 to 2; and n represents 0 or 1.

Abstract: A condensed-cyclic compound represented by Formula 1 below, and an organic light-emitting diode including the condensed-cyclic compound. wherein R1 through R6, Ar5 and Ar6, and X1 through X10 are defined as in the specification.

Abstract: Carbazole-containing compounds are provided. In particular, the compounds are oligocarbazole-containing compounds having an unsymmetrical structure. The compounds may be useful in organic light emitting devices, in particular as hosts in the emissive layer of such devices.

Abstract: The present invention relates to novel polymers comprising a repeating unit(s) of the formula (I) wherein at least one of the substituents R1, R2, R3, R4, R5, R6, and R7 is a group -(Sp)x1-HEI, wherein Sp is a spacer unit, HE1 is a group (HE1I), which increases the hole-injection and/or hole-transport properties of the polymers; or a group (HE1II), which increases the electron-injection and/or electron-transport properties of the polymers, or a group (HE1III), which increases the hole-injection and/or hole-transport properties of the polymers and the electron-injection and/or electron-transport properties of the polymers, x1 is 0, or 1, and their use in electronic devices. The polymers according to the invention have excellent solubility in organic solvents and excellent film-forming properties. In addition, high charge carrier mobilities and high temperature stability of the emission color can be observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: A quinoxaline-based, new bipolar organic compound is provided, and a light emitting element using the quinoxaline-based compound is demonstrated. The quinoxaline derivative of the invention has a structure in which carbon at one or both of the 2-position and the 3-position of the quinoxaline unit are bonded, via an arylene group, with an amine unit which has a substituted or unsubstituted five-membered ring or a substituted or unsubstituted condensed ring containing a five-membered ring structure. The quinoxaline-based compound was proven to possess bipolar characteristics in view of carrier transportation, which allows the fabrication of a light emitting element and an electronic appliance with a low driving voltage and low power consumption.

Abstract: The present invention relates to compounds of the formulae (I) to (XII), to the use of the compounds in electronic devices, and to electronic devices comprising the compounds according to the invention.

Abstract: A photochromic chromene compound having an indeno(2,1-f)naphtho(1,2-b)pyran structure as its basic skeleton, an aryl group or a heteroaryl group at the 6-position carbon atom of the structure and an electron donor group having a Hammett constant ?p of not more than ?0.1 at the 7-position carbon atom.

Abstract: Disclosed are a novel amino anthracene derivative and an organic electro-luminescence device using the same. More specifically, the disclosed amino anthracene derivative has a core (e.g., indenoanthracene core) of an anthracene moiety (with a high device characteristic) linked to a fluorene moiety (with a high fluorescence characteristic), in which in the core is substituted with at least one amine group represented by Formula 2 and the disclosed organic electro-luminescence device uses the amino anthracene derivative as a light emitting layer material so as to be enhanced in efficiency, operating voltage, and life span.

Abstract: A material for an organic electroluminescence device having the formula: wherein Ar1 and Ar3 each independently represent a substituted or unsubstituted phenylene group, X5 represents a substituted or unsubstituted naphthyl group or a substituted or unsubstituted phenanthryl group, X6 represents a substituted or unsubstituted phenyl group, and X7 and X8 each independently represent a substituted or unsubstituted biphenyl group or a substituted or unsubstituted terphenyl group. An organic electroluminescence device having (i) a light emitting layer, or (ii) a plurality of thin films of organic compounds having a light emitting layer, disposed between a pair of electrodes, wherein at least one of the thin films of organic compounds is a layer containing the material having the formula above.

Abstract: A compound represented by the following Formula (1) is useful as an electron transport material of an organic EL device, and an organic EL device comprising the compound in the electron transport layer is long in life, and low in drive voltage: wherein G is an n-valent link, n is an integer of 2 to 4; R1 to R4 are each independently hydrogen, a monovalent group, or a free valency bonded with G, and R5 to R8 are each independently hydrogen or a monovalent group, and one of R1 to R4 is a free valency bonded with G; and n groups of 2,3?-bipyridyl may be the same or different with each other.

Abstract: An anthracene derivative represented by the general formula (G1) is provided. The anthracene derivative represented by the general formula (G1) is a novel anthracene derivative having a wide band gap. Further, the anthracene derivative has a large energy gap and can be very suitably used as a material for a light-emitting element which exhibits blue light emission.

Abstract: This disclosure relates to chrysene compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.

Abstract: Compositions capable of simultaneous two-photon absorption and higher order absorptivities are provided. Compounds having a donor-pi-donor or acceptor-pi-acceptor structure are of particular interest, where the donor is an electron donating group, acceptor is an electron accepting group, and pi is a pi bridge linking the donor and/or acceptor groups. The pi bridge may additionally be substituted with electron donating or withdrawing groups to alter the absorptive wavelength of the structure. Also disclosed are methods of generating an excited state of such compounds through optical stimulation with light using simultaneous absorption of photons of energies individually insufficient to achieve an excited state of the compound, but capable of doing so upon simultaneous absorption of two or more such photons. Applications employing such methods are also provided, including controlled polymerization achieved through focusing of the light source(s) used.

Abstract: An organic electroluminescent is provided having an anode, a cathode, and at least one organic layer including a light-emitting layer provided between the anode and the cathode, wherein the organic layer includes an amine compound represented by the following formula (1): wherein Ar1 to Ar4 each independently represent a specific aromatic group; R1 and R2 each independently represent a hydrogen atom, a halogen atom or a particular substituent group; and n stands for an integer of 1, 2 or 3.

Abstract: The present invention relates to substituted benz[a]anthracene derivatives, to the preparation and use thereof in organic electroluminescent devices, and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as matrix material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.

Abstract: A triarylamine derivative represented by a general formula (G1) given below is provided. Note that in the formula, Ar represents either a substituted or unsubstituted phenyl group or a substituted or unsubstituted biphenyl group; ? represents a substituted or unsubstituted naphthyl group; ? represents either hydrogen or a substituted or unsubstituted naphthyl group; n and m each independently represent 1 or 2; and R1 to R8 each independently represent any of hydrogen, an alkyl group having 1 to 6 carbon atoms, or a phenyl group.

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: An amine derivative represented by the following general formula (1) and exhibiting a temperature difference of 30° C. or more as defined by the difference of [decomposition temperature (° C.) minus sublimation temperature (° C.)]: wherein R1 and R2 independently represent a substituted or unsubstituted C6-40 aryl or C5-40 heteroaryl group; and R3 and R4 independently represent a hydrogen atom, a straight-chain, branched or cyclic C1-18 alkyl or C1-18 alkoxy group, or a substituted or unsubstituted C6-40 aryl or C5-40 heteroaryl group, provided that R3 and R4 may form together a cyclic hydrocarbon group. The amine derivative is useful as an organic electroluminescent material.

Abstract: A quinoxaline derivative expressed by the general formula (1) is provided. (Each of R1 to R12 represents one of a hydrogen atom, a halogen atom, an alkyl group, an alkoxyl group, an acyl group, a dialkyl amino group, a diarylamino group, a substituted or unsubstituted vinyl group, a substituted or unsubstituted aryl group, and a substituted or unsubstituted heterocycle group. Ar1 represents one of a substituted or unsubstituted biphenyl group and a substituted or unsubstituted terphenyl group, and Ar2 represents one of a substituted or unsubstituted phenyl group, a substituted or unsubstituted biphenyl group, a substituted or unsubstituted terphenyl group, and a substituted or unsubstituted monocyclic heterocycle group.

Abstract: The present invention relates to a novel diamine derivative, a method for preparation thereof, and an organic electronic device using the same. The diamine derivative according to the present invention can serve as a hole injecting, hole transporting, electron injecting, electron transporting, or light emitting material in an organic electronic device including an organic light emitting device. Particularly, it can be used as a light emitting material as used alone, and also serve as a light emitting host, or a light emitting dopant, in particular, a blue light emitting dopant. The organic electronic device according to the present invention exhibits excellent characteristics in terms of efficiency, drive voltage, life time, and stability.

Abstract: The present invention relates to a novel anthracene derivative, a method for preparation thereof, and an organic electronic device using the same. The anthracene derivative according to the present invention can function as a hole injecting, hole transporting, electron injecting, electron transporting, or light emitting in an organic electronic device including an organic light emitting device, and in particular, used alone as a light emitting, or as a host or dopant in a host/dopant system. The organic electronic device according to the present invention exhibits excellent characteristics in terms of efficiency, drive voltage, life time, and stability.

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 organic compounds which are indenobenzo[k]fluoranthene derivatives represented by the following general formula (1): In general formula (1), R1 to R14 are each independently selected from a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group, an amino group, an aryl group, and a heterocyclic group.

Abstract: This disclosure relates to chrysene compounds with deep blue emission that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.

Abstract: The present invention relates to an organic electroluminescent compound containing fluorenyl group and a display device using the same, more precisely the organic electroluminescent compound. The organic electroluminescent compound of the present invention is characterized by upgraded excellent EL property compared with the conventional host materials.

Abstract: The present invention relates to a novel anthracene derivative, a process for preparation thereof, and an organic electronic device using the same. The anthracene derivative according to the present invention can serve as a hole injecting material, a hole transporting material, an electron injecting material, an electron transporting material, or a light emitting material, and particularly as a light emitting host or dopant, especially as a green host or dopant singly, in an organic electronic device including an organic light emitting device. The organic electronic device according to the present invention exhibits excellent characteristics in efficiency, drive voltage, life time, and stability.

Abstract: The invention provides novel arylbicyclo[3.1.0]hexylamines, and related processes and intermediates for preparing these compounds, as well as compositions and methods employing these compounds for the treatment and/or prevention of central nervous system (CNS) disorders, including but not limited to depression and anxiety.

Abstract: Provided are a novel aromatic amine derivative having a specific structure and an organic electroluminescence device in which an organic thin layer comprising a single layer or plural layers including a light emitting layer is interposed between a cathode and an anode, wherein at leas one layer of the above organic thin layer contains the aromatic amine derivative described above in the form of a single component or a mixed component. Thus, the organic electroluminescence device is less liable to be crystallized in molecules, improved in a yield in producing the organic electroluminescence device and extended in a lifetime.

Abstract: This invention relates to chrysene compounds that are useful in electroluminescent applications. It also relates to electronic devices in which the active layer includes such a chrysene compound.

Abstract: Provided is an acenaphtho[1,2-k]benzo[e]acephenanthrene derivative represented by general formula (1): wherein R1 to R16 are each independently selected from 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, and a substituted or unsubstituted heterocyclic group; and at least one of R1 to R8 and R10 to R15 is selected from 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, and a substituted or unsubstituted heterocyclic group.

Abstract: An aromatic amine derivative represented by the following formula (1): wherein at least one of R1 to R8 is a group other than a hydrogen atom, Ar1 to Ar4 are a substituted or unsubstituted aryl group having 6 to 30 ring carbon atoms.

Abstract: A highly stable organic EL material having the properties of both benzofluoranthene and anthracene structures is provided. The organic EL device has at least one organic compound layer containing a compound presented by the general formula (I) below: (in which L is a linking group linking any one of the positions 1 to 12 and any one of the positions 13 to 22; the unlinked positions 1 to 22 are substituted by any of a hydrogen atom, substituted or unsubstituted aryl group, substituted or unsubstituted heterocyclic group, substituted or unsubstituted alkyl group, and aromatic amino group; and L presents any of a single bond, substituted or unsubstituted arylene group, substituted or unsubstituted heterocyclic group, and substituted or unsubstituted alkylene group).

Abstract: Provided is an organic electroluminescent device which has a high efficiency and high durability.

Abstract: The present invention relates to substituted benzo[c]phenanthrene derivatives and to the production and to the use thereof in electronic devices, and to the electronic devices themselves. The present invention relates in particular to benzo[c]phenanthrene derivatives substituted with at least one aromatic unit or at least one diarylamino unit.

Abstract: A aromatic amine derivative having an specific structure having a diphenyl amino group, and two or more of substituent bonding to benzene ring thereof, and in 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, at least one of the organic thin film layer comprises the aromatic amine derivative singly or a component for a mixture thereof. The organic electroluminescence device exhibiting a long lifetime and high current efficiency as well as emitting blue light with high color purity, and also the aromatic amine derivative for realizing the organic EL device are provided.