Abstract: An organic emissive layer is provided. Also provided is a device in which the organic emissive layer is disposed between an anode and a cathode. The organic emissive layer includes a phosphorescent material and triphenylene compound or a compound having a repeat unit having a triphenylene moiety. The triphenylene is optionally substituted. The substituents may be the same or different and each is selected from the group consisting of alkyl, aryl, fused aryl, substituted aryl, alkenyl, alkynyl, and heteroalkyl. Triphenylene compounds are also provided.

Abstract: A polymerizable monomer represented by the following formula (1) which is substituted by one or more groups comprising a polymerizable functional group wherein Ar1 and Ar4 to Ar6 are independently a substituted or unsubstituted aryl group having 6 to 40 ring carbon atoms; and Ar2, Ar3 and L1 are a substituted or unsubstituted arylene group having 6 to 40 ring carbon atoms:

Abstract: An organic EL display device forms an organic EL layer on a pixel portion by a transfer method without using a sophisticated optical system. A patterned light reflection layer is formed on a donor substrate. A light absorption layer is formed on the light reflection layer. An organic EL material layer is formed on the light absorption layer. An element substrate on which banks, lower electrodes and the like are formed is arranged to face a donor substrate in an opposed manner. When light is radiated to the donor substrate from a flash lamp or the like, only portions of the optical absorption layer where the light reflection layers are not formed are heated, and such portions of the organic EL material layer are evaporated and applied to a lower electrode formed on the element substrate. Due to such steps, the organic EL layer can be formed by a transfer method without using a sophisticated optical system.

Abstract: An aromatic amine derivative represented by the following formula (1), wherein at least one of Ar1 to Ar3 is represented by the following formula (2), wherein X1 to X3 are independently a nitrogen atom or CR2, provided that two of X1 to X3 are a nitrogen atom and X1 and X3 are not simultaneously a nitrogen atom.

Abstract: An embodiment of the present memory cell includes a first layer of a chosen conductivity type, and a second layer which includes ferroelectric semiconductor material of the opposite conductivity type, the layers forming a pn junction. The first layer may be a conjugated semiconductor polymer, or may also be of ferroelectric semiconductor material. The layers are provided between first and second electrodes. In another embodiment, a single layer of a composite of conjugated semiconductor polymer and ferroelectric semiconductor material is provided between first and second electrodes. The various embodiments may be part of a memory array.

Abstract: An organic EL display includes: lower electrodes arranged on a substrate to correspond to first organic EL elements of blue and second organic EL elements of any other color, respectively; hole injection/transport layers arranged on the lower electrodes; second organic light-emitting layers of the other color arranged on the hole injection/transport layers for the second organic EL elements; a first organic light-emitting layer of blue arranged on whole surfaces of the second organic light-emitting layers and the hole injection/transport layers for the first organic EL elements; an electron injection/transport layer arranged on a whole surface of the first light-emitting layer, the electron injection/transport layer made of a nitrogen-containing heterocyclic compound with an electron mobility of 1.0×10?6 cm2/Vs to 1.0×10?1 cm2/Vs both inclusive and having one or both of electron injection properties and electron transport properties; and an upper electrode arranged on the electron injection/transport layer.

Abstract: A material for electroluminescent devices which comprises a compound in which a heterocyclic group having nitrogen is bonded to carbazolyl group and an organic electroluminescent device having at least one organic thin film layer which is sandwiched between the cathode and the anode and contains the above material in at least one layer, are provided. The material can provide organic electroluminescent devices emitting bluish light with a high purity of color. The organic electroluminescence device uses the material.

Abstract: There is provided an electroactive material having Formula I wherein: Q is the same or different at each occurrence and can be O, S, Se, Te, NR, SO, SO2, or SiR3; R is the same or different at each occurrence and can be hydrogen, alkyl, aryl, alkenyl, or alkynyl; R1 through R8 are the same or different and can be hydrogen, alkyl, aryl, halogen, hydroxyl, aryloxy, alkoxy, alkenyl, alkynyl, amino, alkylthio, phosphino, silyl, —COR, —COOR, —PO3R2, —OPO3R2, or CN.

Abstract: A compound having Formula I, Formula II, or Formula III: Ar1 may independently be phenylene, substituted phenylene, naphthylene, or substituted naphthylene. Ar2 is the same or different at each occurrence and is an aryl group. M is the same or different at each occurrence and is a conjugated moiety. T1 and T2 are independently the same or different at each occurrence and are conjugated moieties which are connected in a non-planar configuration; a and e are the same or different at each occurrence and are an integer from 1 to 6; b, c, and d are mole fractions such that b+c+d=1.0, with the proviso that c is not zero, and at least one of b and d is not zero, and when b is zero, M has at least two triarylamine units; and n is an integer greater than 1.

Abstract: A benzimidazole compound, an organic photoelectric device, and a display element, the benzimidazole compound being represented by the following Chemical Formula 1:

Abstract: A polymer compound comprising a constitutional unit represented by the following formula (2) and a constitutional unit represented by the following formula (1), wherein R1 represents an alkyl group or the like, and R2 and R3 each independently represent a hydrogen atom or the like, -Ar1-??(2) wherein Ar1 represents an arylene group or the like. A hydrogen atom in the group represented by Ar1 may be substituted by an alkyl group, aryl group or the like.

Abstract: A material for an organic electroluminescent device including an imine derivative represented by the following formula (Ia) or (Ib), wherein Y1 to Y4 are independently a carbon atom or a nitrogen atom; R1 to R4 are independently hydrogen, an alkyl group, an aryl group, a heterocycle, a halogen atom, a fluoroalkyl group or a cyano group; and R1 and R2, or R3 and R4 may be bonded together to form a ring.

Abstract: The present invention provides a benzo[b]chrysene compound represented by general formula [1] below and an organic light-emitting element including the compound. In the general formula [1], Ar represents a substituted or unsubstituted aromatic hydrocarbon group, and R1 to R4 are each independently selected from the group consisting of a hydrogen atom, substituted or unsubstituted alkyl groups, and substituted or unsubstituted aromatic hydrocarbon groups.

Abstract: A condensed-cyclic compound and an OLED including the same, the condensed-cyclic compound represented by Formula 1 below:

Abstract: Embodiments of the present invention relate to semiconducting carbon-containing devices and methods of making thereof. The semi-conducting carbon containing devices comprise an n-type semiconducting layer and a p-type semiconducting layer, both of which are positioned over a substrate. The n-type semiconducting layer can be formed by pyrolyzing a carbon- and nitrogen-containing polymer, and the p-type semiconducting layer can be formed by pyrolyzing an aromatic- and aliphatic-group-containing polymer. In some embodiments, the devices are solar cell devices.

Abstract: High-molecular compounds comprising repeating units represented by the general formula (1) or (2) and having number-average molecular weights of 103 to 108 in terms of polystyrene: (1) [wherein Ar1 and Ar2 are each independently a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; and X1 and X2 are each independently O, S, C(?O), S(?O), SO2, C(R1)(R2), Si(R3)(R4), N(R5), B(R6), P(R7), or P(?O)(R8), with the provisos that X1 and X2 must not be the same and that X1 and Ar2 are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar1, and X2 and Ar1 are bonded respectively to the adjacent carbon atoms constituting the aromatic ring of Ar2] (2) [wherein Ar3 and Ar4 are each independently a trivalent aromatic hydrocarbon group or a trivalent heterocyclic group; and X3 and X4 are each independently N, B, P, C(R9), or Si(R10), with the provisos that X3 and X4 must not be the same and that X3 and Ar4 are bonded respectively to the adjacent carbon atoms constituting t

Abstract: The present invention provides a novel compound that is capable of largely improving a life time, efficiency, electrochemical stability, and thermal stability of an organic electronic device, and an organic electronic device that comprises an organic material layer comprising the compound.

Abstract: A polymer compound having a repeating unit represented by formula (1-0): wherein in formula (1-0), ring A01 and ring A02 are the same or different and each represents an aromatic hydrocarbon ring that is optionally substituted; and X10 and X20 are the same or different and each represents a hydrogen atom or a substituent, provided that at least one of X10 and X20 is a group represented by formula (2-0): wherein in formula (2-0), Z10, Z20 and Z30 are the same or different and each represents —N? or —CH?, provided that at least two of Z10, Z20 and Z30 are —N?; L0 represents an arylene group or a single bond; and Ar10 and Ar20 are the same or different and each represents an aryl group, provided that the total carbon number of the groups represented by Ar10, Ar20 and L0 is 24 or more.

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: The present invention relates to polymers comprising a repeating unit of the formula (I) 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 are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: An organic EL device includes an emitting layer provided between an anode and a cathode. The emitting layer contains a diaminopyrene derivative represented by the following formula (1) as an emitting material for the organic EL device. The diaminopyrene derivative emits light with electrical energy. In the formula, X and X? each independently represent a substituent containing at least one of Ge, P, B and Si. d and e each represent an integer of 0 to 5 while d+e?1 is satisfied. When d is 2 or more, the plurality of X may be mutually the same or different and may be bonded together to form a saturated or unsaturated ring. When e is 2 or more, the plurality of X? may be mutually the same or different and may be bonded together to form a saturated or unsaturated ring.

Abstract: An organic light emitting device and a method of manufacturing the same, the organic light emitting device includes a first electrode, a second electrode, and an organic layer that has at least a multi-coated emissive layer and which is interposed between the first and second electrodes. The multi-coated emissive layer is a single layer composed of a neutral emissive material and an no?ne parameter of the emissive layer is greater than an no?ne parameter of a single-coated layer. The organic light emitting device has a longer lifetime and high efficiency.

Abstract: A system for displaying images is provided. The system includes a full-color organic electroluminescent device having an anode. A first emitting layer and a second emitting layer are sequentially disposed on the anode. A cathode is disposed on the second emitting layer. The first and second emitting layers include, respectively, a first dopant and a second dopant, wherein the energy gap of the first dopant is different from that of the second dopant.

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: The invention relates to the use of a copolymer comprising indenofluorene units as charge transport material in the charge transport layer of a non-electroluminescent electronic device, especially a photoreceptor or electrophotographic device, and to charge transport layers and electronic devices, especially photoreceptors and electrophotographic devices, comprising such a copolymer.

Abstract: A polymer and an organic light-emitting device including the polymer are provided, wherein the polymer comprises a polymeric unit represented by the Formula: In which variables are as defined herein.

Abstract: A fused polycyclic compounds is represented by the general formula (I): wherein X1 to X18 each represent, independently of one another, 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, or a substituted or unsubstituted heterocyclic group.

Abstract: The present invention provides an organic compound having excellent properties, which is excellent in electron-injection/transport performance, has hole-blocking ability and is high stability in a thin-film state, as a material for an organic electroluminescence device having a high efficiency and a high durability, and provides is an organic electroluminescence device having a high efficiency and a high durability using the compound. The present invention relates to a compound having a substituted anthracene ring structure and a pyridoindole ring structure represented by general formula (1); and an organic electroluminescence device having a pair of electrodes and at least one organic layer interposed between the electrodes in which the at least one organic layer contains the compound.

Abstract: An object is to provide a white light-emitting element which emits broad white light which is close to natural light and covers a wide wavelength range; that is, a white light-emitting element which has a broad spectrum waveform. Further, there are various different kinds of white light; however, in particular, an object is to provide a white light-emitting element which emits white light which is close to the standard white color of the NTSC. Over a substrate 100, a second light-emitting element 110 and a first light-emitting element 120 are stacked in series. The first light-emitting element 120 exhibits a light emission spectrum having two peaks (two peaks in the blue to green wavelength range) and is disposed close to a film of light-reflecting material. The second light-emitting element 110 exhibits a light emission spectrum having a peak in the orange to red wavelength range, and is disposed in a position which is not close to the film of light-reflecting material.

Abstract: A composition is described comprising a mixture of at least two different dendrimers A and B which possess the same core and the same repeating unit or units in the dendrons. Either the generation of at least one of said dendrons in one of said dendrimers (A) is different from the generation of at least one of the dendrons in the other of said dendrimers (B), or the number of dendrons in one of said dendrimers, or both, is different from the number of dendrons in the other of said dendrimers, or both.

Abstract: A polymeric material includes a pendant polycyclic aromatic compound precursor.

Abstract: An organic light-emitting medium including a diaminopyrene derivative represented by the following formula (1) and an anthracene derivative represented by the following formula (2);

Abstract: The present invention relates to polymers comprising repeating unit(s) of the formula (I), 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 are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: Provided are a condensed ring aromatic compound for an organic light-emitting device, and an organic light-emitting device having optical output with high efficiency and high luminescence and having durability. An organic light-emitting device including an anode and a cathode, and a layer made of an organic compound interposed between the anode and the cathode, wherein at least one layer of the layers made of the organic compound contains a condensed ring aromatic compound shown in the following general formula [1]: wherein R1 to R16 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 aryloxy group, a substituted or unsubstituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, and may be the same or different.

Abstract: The present invention provides a novel nitrogen-containing heterocyclic derivative and an organic electronic device using the same. The organic electronic device according to the present invention has excellent properties in terms of efficiency, driving voltage, and a life span.

Abstract: It is an object to provide a noble anthracene derivative, a light emitting element with a high luminous efficiency, and further a light emitting element with a long lifetime. It is another object to provide a light emitting device and electronic device with a long lifetime by using the light emitting element. An anthracene derivative represented by General Formula (1) is provided. Since the anthracene derivative represented by General Formula (1) has a high luminous efficiency, when the anthracene derivative is used for a light emitting element, the light emitting element can have a high luminous efficiency. Further, when the anthracene derivative represented by General Formula (1) is used for a light emitting element, the light emitting element can have a long lifetime.

Abstract: A dopant composition for organic semiconductors is an electron acceptor characterized by an evaporation point above 150° C. or a glass phase. The dopant composition includes a compound represented by structural formula (1): wherein R1 to R5 are independently hydrogen, chlorine, fluorine, nitro, or cyano; or a phenyl or annulated aromatic group optionally substituted with chlorine or fluorine. Also included are doped organic semiconductors and organic electronic components comprising the dopant composition, and methods of preparing the doped organic semiconductor.

Abstract: A method for making a material useful in an optoelectronic device comprises: providing a mixture of a polytriarylamine and a compound; forming a film of the mixture; and treating the film; wherein the compound comprises at least one functional group selected from arylamine and arylphosphine and at least two functional groups selected from vinyl, allyl, vinyl ether, epoxy, and acrylate. The materials made and the optoelectronic device are also provided.

Abstract: To provide an organic electroluminescent element having a low driving voltage, high current efficiency and high voltage efficiency. An organic electroluminescent element comprising an anode, a cathode and an organic layer disposed between the anode and the cathode, wherein the organic layer comprises a mixed layer containing a light-emitting low molecular compound and/or a charge-transporting low molecular compound in a film containing an insolubilized polymer obtained by insolubilizing an insolubilizing polymer, and, adjacent to the mixed layer, a layer containing a light-emitting low molecular compound and a charge-transporting low molecular compound and not containing an insolubilized polymer.

Abstract: An organic electroluminescent device comprising a cathode, an anode formed by an application method, and a light emitting layer disposed between the above-described anode and the above-described cathode.

Abstract: An object of the invention is to provide a polymer compound having a high hole transport capacity, excellent in electrochemical stability, and suitable to film formation according to a wet film formation method. Another object of the invention is to provide an organic electroluminescence element having a high current efficiency, a low drive voltage, and a long derive lifetime. The polymer compound has a crosslinking group bonding to the arylamine moiety in the repeating unit via at least one single bond therebetween.

Abstract: The present invention relates to aromatic amines and to electronic devices in which these amines are used, in particular, as matrix material in the emitting layer and/or as hole-transport material and/or as electron-blocking or exciton-blocking material and/or as electron-transport material.

Abstract: The present invention relates to organic electroluminescent devices which comprise ketone or phosphine oxide derivatives as matrix material and at least two phosphorescent compounds.

Abstract: The invention provides new compounds of the formula I, II or III. These compounds can be used as electron transport materials in optical light emitting diodes (OLEDs).

Abstract: The present invention relates to polymers comprising a repeating unit of the formula (I) 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 are observed, if the polymers according to the invention are used in polymer light emitting diodes (PLEDs).

Abstract: The present invention relates to white-emitting organic electroluminescent devices which comprise at least one phosphorescent emitter and at least one ketone derivative as matrix material in at least one emitting layer.

Abstract: Organometallic soft salt compounds are provided. In particular, the compounds comprise mononuclear Ir-based soft salts. The compounds may be used in organic light emitting diodes (OLED) and light emitting cells (LEC).

Abstract: Disclosed herein is an organic electroluminescent device including: an anode; a cathode; and an organic layer including a light-emitting layer, a naphthacene compound layer containing a naphthacene compound, and an electron transport layer; the light-emitting layer being composed of a light-emitting guest material and an aromatic hydrocarbon compound having the skeleton of anthracene, and the naphthacene compound layer containing no less than 80 wt % of naphthacene compound represented by the formula (1) below and having a thickness of 0.5 to 10 nm and being in contact with that side of the electron transport layer which faces the light-emitting layer.

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: A problem of the invention is to provide an organic EL device having a high efficiency, a low driving voltage and a long life, by combining various materials for organic EL device, which are excellent in an injection or transportation performance of holes or electrons, and in stability and durability in a thin film, so as to enable the respective materials to effectively reveal their characteristics. The invention relates to an organic electroluminescent device including at least an anode electrode, a hole-injecting layer, a hole-transporting layer, an emitting layer, an electron-transporting layer and a cathode electrode in this order, in which the hole-injecting layer contains an arylamine compound having, in its molecule, a structure in which three or more triphenylamine structures are connected through a single bond or a hetero atom-free divalent group; and the hole-transporting layer contains an arylamine compound having two triphenylamine structures in its molecule.