Abstract: A transition metal compound represented by the formula (1-1) or the formula (1-2) (M is a transition metal atom) and a process for producing a catalyst for olefin polymerization comprising a step of bringing the transition metal compound into contact with a co-catalytic component for activation.

Abstract: The present invention provides a novel binaphthyl compound and an organic light emitting element having a good light emitting efficiency and a high durability at a low driving voltage.

Abstract: The present invention relates to an organic solar cell with a photoactive region which comprises at least one organic donor material in contact with at least one organic acceptor material, wherein the donor material and the acceptor material form a donor-acceptor heterojunction and wherein the photoactive region comprises at least one substituted perylene.

Abstract: A compound having the structure represented by the following formula (1) or (1)? as at least a part: wherein FA is a fused aromatic ring, and Ar is an aromatic group.

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: 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: An organic material for an organic light emitting diode (OLED) display, and an OLED display are provided, and the organic material includes an anthracene derivative includes at least deuterium.

Abstract: To provide a novel chrysene compound and an organic light-emitting device having high emission efficiency and excellent driving durability, provided is a novel triaryl-substituted chrysene compound represented by the general formula [1]: wherein Ar1 to Ar3 each represent a substituent selected from the group consisting of a substituted or unsubstituted naphthyl group, a substituted or unsubstituted phenanthryl group, and a substituted or unsubstituted fluorenyl group.

Abstract: An organic light-emitting device is provided which efficiently emits light with high brightness and has durability. The organic light-emitting device includes a dibenzo[c,g]fluorene compound having two dibenzo[c,g]fluorene skeletons, and has an organic compound layer containing the dibenzo[c,g]fluorene compound.

Abstract: A fused polycyclic compound is represented by general formula [1]: wherein at least one of R1 to R16 is selected from a halogen atom, an alkyl group having 1 to 20 carbon atoms, a substituted amino group, an aryl group which may have a substituent, and a heterocyclic group which may have a substituent. An organic light-emitting element includes the fused polycyclic compound.

Abstract: Disclosed is a triphenylene based aromatic compound, wherein a benzene center is substituted with a triphenylene group and another aromatic group such as triphenylenyl, pyrenyl, phenylvinyl, carbazolylphenyl, or arylanthryl in the meta position of the benzene center. The meta-substituted aromatic compound of the invention has better thermal stability (Tg) than the conventional para-substituted aromatic compound. The meta-substituted aromatic compound, served as a hole transporting layer or a host material applied in a light emitting layer in an OLED, is more preferable than the conventional para-substituted aromatic compound.

Abstract: A novel diacenaphtho[1,2-b:1?,2?-k]chrysene derivative is provided.

Abstract: An organic compound is represented by general formula (1): where R1 to R18 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 fluorene derivative represented by the following structural formula. An organic electroluminescence device including a pair of electrodes, and at least one layer containing an organic compound interposed between the pair of the electrodes. The at least one layer containing the organic compound contains the fluorene derivative. The layer containing the fluorene derivative serves as a light-emitting layer.

Abstract: An organic light-emitting device has light emission with high efficiency, high luminance and good color purity, and durability. An organic light-emitting device includes an anode, a cathode and an organic compound layer disposed between the anode and the cathode, wherein at least one layer of the organic compound layer includes at least one kind of the benzoindenochrysene compound represented by the general formula (1) in which X1 to X16 each independently represent a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted amino group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, or a substituted or unsubstituted aryloxy group.

Abstract: Provided is an organic light emitting device having high light emitting efficiency and good emission color purity. The organic light emitting device includes an anode, a cathode, and an organic compound layer which is sandwiched between the anode and the cathode, in which one of the anode and the cathode is transparent or semi-transparent and the organic compound layer contains at least one kind of perylene compound represented by the following general formula (1): where R1 to R8 each represent a hydrogen atom or a substituted or unsubstituted alkyl group; and Ar1 to Ar4 each represent a substituent represented by the following general formula (2) or (3).

Abstract: An organic compound represented by general formula (1) below and an organic light-emitting device including the organic compound are provided.

Abstract: An encapsulating resin composition is provided, which gives a cured product having heat resistance, light resistance, and flexibility equivalent to those of silicone resins and having a refractive index of 1.57 or greater which is larger than that of epoxy resins. The encapsulating resin composition contains: a high refractive index acrylic-based or methacrylic-based monomer having a refractive index of 1.55 or greater; and a nonfunctional fluorene compound. In a preferred form, each of the high refractive index acrylic-based or methacrylic-based monomer and the nonfunctional fluorene compound has a 9,9-bisphenylfluorene skeleton.

Abstract: Provided is an organic light-emitting device having an optical output with high luminance and high color purity with extremely high efficiency. The organic light-emitting device includes an organic layer between the anode and the cathode, in which one of the anode and the cathode is a transparent electrode or a semi-transparent electrode and at least one layer of the organic layer contains at least one kind of indenopyrene compound having a specific structure.

Abstract: There are provided a novel fused ring aromatic compound and an organic light-emitting device which has an optical output with extremely high efficiency and luminance, and also has extremely high durability. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, wherein the layer comprises a fused ring aromatic compound represented by the general formula (I): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16 each represent, independently of one another, a hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group, or a halogen atom.

Abstract: The present invention provides an organic light emitting device which shows a blue light emission hue of remarkably good color purity and has a high-efficiency and high-luminance optical output.

Abstract: Provided are an organic compound expressed by General Formula (1) and an organic light-emitting element using the organic compound: wherein R1 to R4 are each hydrogen, an alkyl group or an aryl group.

Abstract: A light-emitting polymer has less than or equal to 5 mol % of a light-emitting optionally substituted structural unit having general formula 1: or fused derivatives thereof. The structural unit may comprise terminal groups of a polymer main chain, or be provided as repeat units at concentrations of less than 1 mol % in the polymer main chain. In particular, a polymer having fluorene repeat units, such as a homopolymer of 9,9-dialkylfluoren-2,7-diyl, may be utilized to provide electron transport and a copolymer comprising triarylamine repeat unit may be utilized to provide hole transport in an OLED device.

Abstract: An object of the present invention relates to provision of a terphenylene derivative having excellent oxidation resistance and capable of forming a semiconductor active phase by a coating process and an oxidation-resistant organic semiconductor material using the same, as well as an organic thin film. The invention relates to production of a terphenylene derivative represented by the formula (1) by tetralithiating a tetrahaloterphenyl derivative with a lithiating agent and subsequently treating the resulting compound with a copper compound: [ka 1] wherein R1 to R14 are the same or different and each represents a hydrogen atom, a fluorine atom, a chlorine atom, an aryl group having 4 to 30 carbon atoms, an alkynyl group having 3 to 20 carbon atoms, an alkenyl group having 2 to 30 carbon atoms, an alkyl group having 1 to 20 carbon atoms or a halogenated alkyl group having 1 to 20 carbon atoms, or a diarylamino group having 8 to carbon atoms; and l, m, and n each represents an integer of 0 or 1.

Abstract: An organic luminescent device having organic-compound layers is provided which takes on luminous hues with very good purity and has optical power with high efficiency, high luminance and a long life. At least one of the organic-compound layers contains a benzo[k]fluoranthene compound represented by the following general formula (1): wherein R1 is a group selected from the group consisting of alkyl, aralkyl and a heterocyclic group which may be substituted, and R1's may be the same or different; R10 to R20 are each independently a group selected from the group consisting of hydrogen, halogen, alkyl, aralkyl, phenyl, a condensed bicyclic aromatic group and a heterocyclic group which may be substituted; and a is an integer of 0 or more to 9 or less.

Abstract: The present invention provides compound of formula (I) wherein each substituent is defined in the specification. The compound may be used, in combination with other organic light-emitting materials, in a light-emitting layer of an organic light-emitting element. The present invention also provides an organic light-emitting element including a first electrode, a second electrode and at least three layers of organic material layers disposed between the first electrode and the second electrode, wherein the layer used as a light-emitting layer contains a compound of formula (I). Further, an all-solution process, which is used for fabricating the organic light-emitting element of the present invention, has the advantages such as avoiding miscibility among the layers to fabricate an element with a large surface area and lower production cost.

Abstract: A benzofluoranthene derivative represented by the following formula (1): wherein at least one pair of “R1 and R2” and “R3 and R4” is bonded together to form a ring represented by the following formula (2):

Abstract: The present invention relates to novel organic electroluminescent compounds and an organic light-emitting diode comprising the same. The organic electroluminescent compounds according to the present invention exhibit high luminous efficiency and excellent life property as a material, so that an OLED device having very good operation life can be prepared therefrom.

Abstract: An organic compound is represented by general formula (1) (where R1 to R14 each independently represent 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, or a substituted or unsubstituted heterocyclic group, and R11 or R12 represents a substituted or unsubstituted fused polycyclic aromatic group.

Abstract: There are provided a novel fused ring aromatic compound and an organic light-emitting device which has an optical output with extremely high efficiency and luminance, and also has extremely high durability. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, wherein the layer comprises a fused ring aromatic compound represented by the general formula (I): wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, R14, R15, and R16 each represent, independently of one another, a hydrogen atom, an alkyl group, a substituted or unsubstituted aralkyl group, a substituted or unsubstituted aryl group, a substituted or unsubstituted heterocyclic group, a substituted amino group, or a halogen atom.

Abstract: Provided is an organic light-emitting device having good durability.

Abstract: The present invention relates to compounds of the formula (1), to the use thereof in electronic devices, and to electronic devices, particularly organic electroluminescence devices, comprising said compounds according to the invention, particularly as blue emitting material in an emitting layer.

Abstract: The present invention relates to condensed aromatic compounds with multiple ring bridging of the general formulae (1), (2), (3), (4) and (5). The invention furthermore relates to the use of the compounds according to the invention in an organic electronic device and to a process for the preparation of the compounds according to the invention. The invention furthermore relates to an electronic device which comprises the compounds according to the invention.

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: Provided are a novel fused polycyclic aromatic compound having a fluoranthene skeleton and an organic light emitting device having high efficiency and high durability. The organic light emitting device includes a fused polycyclic aromatic compound represented by the following general formula [1] or [2], and the organic light emitting device includes an anode, a cathode, an organic compound layer interposed between the anode and the cathode, in which at least one layer of the organic compound layers includes at least one kind of the fused polycyclic aromatic compound represented by the following general formula [1] or [2].

Abstract: There are provided a condensed ring aromatic compound and an organic light-emitting device having an optical output with high efficiency and high luminance, and durability. An organic light-emitting device including: a pair of electrodes comprising an anode and a cathode of which at least one is transparent or translucent; and an organic compound layer disposed between the pair of electrodes, wherein the organic compound layer contains the condensed ring aromatic compound represented by the following formula [1].

Abstract: Compounds, compositions, systems and methods for the chemical and electrochemical modification of the electronic structure of graphene and especially epitaxial graphene (EG) are presented. Beneficially, such systems and methods allow the large-scale fabrication of electronic EG devices. Vigorous oxidative conditions may allow substantially complete removal of the EG carbon atoms and the generation of insulating regions; such processing is equivalent to that which is currently used in the semiconductor industry to lithographically etch or oxidize silicon and thereby define the physical features and electronic structure of the devices. However graphene offers an excellent opportunity for controlled modification of the hybridization of the carbon atoms from sp2 to sp3 states by chemical addition of organic functional groups.

Abstract: A process for preparing a chelating ligand of the formula (II) from a chelating ligand of the formula (I) via an sp2-sp2 or sp2-sp3 coupling reaction with an organometallic compound of the formula (III).

Abstract: Provided are an organic light-emitting compound of Formula 1 and an organic light-emitting device using the organic light-emitting compound: where Ar, R1, R2, R3, R4, and R5 are the same as defined in the detailed description. The organic light-emitting device manufactured using the organic light-emitting compound has a low turn-on voltage and high efficiency and color purity.

Abstract: The present invention relates to organic electroluminescent compounds and organic electroluminescent devices employing the same. More specifically, the invention relates to organic electroluminescent compounds containing an anthracenyl group or an aryl group having an anthracenyl substituent m the aryl ring of fluorene or indenofluorene, as a blue electroluminescent material in an organic electroluminescent layer. The electroluminescent compounds according to the invention exhibit high luminous efficiency and excellent life property, so that an OLED device having very good operation lifetime can be prepared therefrom.

Abstract: Provided are a novel benzo[a]fluoranthene compound and an organic light emitting device having extremely good light emitting efficiency, extremely good luminance, and durability. The benzo[a]fluoranthene compound is represented by the following general formula (I): wherein: at least one of R11 to R22 represents Rm represented by the following general formula (i): Rm=—X1—Ar1??(i) wherein X1 represents a substituted or unsubstituted phenylene group, or a substituted or unsubstituted, divalent monocyclic heterocyclic group, and Ar1 represents one of the following groups (a) and (b): (a) a substituted or unsubstituted fused polycyclic group, and (b) a composite substituent formed by combining two or more of a benzene ring, a monocyclic heterocyclic ring, and a fused polycyclic ring, the composite substituent being permitted to have a substituent.

Abstract: An organic light-emitting device which has high emission efficiency and high durability even at low drive voltage is provided. An organic light-emitting device including an anode, a cathode, and an organic compound layer which is interposed between the anode and the cathode, wherein the organic compound layer include at least one dibenzo[c,g]fluorene compound represented by the following General Formula (1).

Abstract: The present invention relates to a compound of the formula (1) and (2) The invention further relates to a process to produce the compound. The invention additionally relates and an electronic device containing the compound of the formula (1) or (2). The electronic device can be an organic electroluminescence devices, particularly a blue emitting device, in which compounds are used as host materials or dopants in the emitting layer and/or as hole transport materials and/or as electron transport materials.

Abstract: An anthracene derivative having a specific asymmetric structure is provided. The asymmetric anthracenes are useful in an organic electroluminescence device and exhibit efficient light emission and a long performance lifetime.

Abstract: The invention provides a novel compound used as a material for organic light-emitting elements, and an organic light-emitting element which has highly efficient and highly luminescent optical power and is superior in durability. The organic light-emitting element includes an anode and a cathode, and a layer which contains an organic compound and is held between the anode and the cathode.

Abstract: Provided are a fused polycyclic compound obtained by expanding the conjugated system of a chrysene skeleton, and an organic light emitting device using the compound. The organic light emitting device has an optical output with high efficiency and high luminance, and is extremely durable.

Abstract: An organic electroluminescent device, which has, between a pair of electrodes, at least one organic layer including a light-emitting layer, in which the organic layer contains a specific tetraphenylene compound, and in which the light-emitting layer contains a phosphorescent material; and a specific tetraphenylene compound that can be used in the device.

Abstract: The present invention relates to the improvement of phosphorescent organic electroluminescent devices by using materials of the formula in the hole blocking layer.

Abstract: A fused aromatic ring derivative shown by the following formula (1): wherein Ra and Rb are independently a hydrogen atom or a substituent, m and n are independently an integer of 1 to 13, and when m and n are two or more, Ras and Rbs may be independently the same or different, and L1 is a single bond or a substituted or unsubstituted divalent linking group, provided that the fused aromatic ring derivative shown by the formula (1) does not have an anthracene ring.

Abstract: The present invention relates to novel organic electroluminescent materials and organic light emitting devices comprising the same. Since the organic electroluminescent materials according to the invention have good luminous efficiency and life property as an electroluminescent material, OLED's having very good operation lifetime can be produced.