Patent application number | Description | Published |
20080226924 | Transparent Conductive Film, Method For Producing Transparent Conductive Film and Organic Electroluminescent Device - A transparent conductive film comprising at least a transparent plastic film, a gas barrier layer and a transparent conductive layer is characterized in that the refractive index thereof is so regulated as to decrease continuously or stepwise from the side having the transparent conductive layer to the other side. Also disclosed are a method for producing such a film efficiently, and an organic EL device which is characterized by comprising an organic electroluminescent element-forming layer on such a transparent conductive film and having a high luminance (namely emission luminance). | 09-18-2008 |
20080233431 | Organic electroluminescent element, illuminator and display - An organic electroluminescent element comprising an anode and a cathode having therebetween an emission layer containing a phosphorescent compound and an layer adjacent to the emission layer, the layer adjacent to the emission layer being provided between the emission layer and the cathode, wherein the layer adjacent to the emission layer comprises a compound having an electron withdrawing group; and the compound exhibits a HOMO level of −5.7 to −7.0 eV and a LUMO level of −1.3 to −2.3 eV. | 09-25-2008 |
20080251784 | Organic Semiconductor Material, Organic Transistor, Field Effect Transistor, Switching Device and Thiazole Compound - An organic semiconductor material comprising a compound having a substructure represented by Formula (10): | 10-16-2008 |
20080303415 | Organic Electroluminescence Element, Display and Illuminator - An organic electroluminescence element comprising an anode and a cathode having therebetween: at least two or more light emission layers exhibiting different emission peaks and an intermediate layer provided between the light emission layers, wherein at least one of the light emission layers comprises a phosphorescent compound as a light emission compound; and an excited triplet energy of a compound forming the intermediate layer is larger than an excited triplet energy of the phosphorescent compound. | 12-11-2008 |
20090021147 | ORGANIC ELECTROLUMINESCENCE ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - In an organic electroluminescence element which incorporates a substrate having thereon an anode and a cathode and which incorporates a plurality of organic layers between the aforesaid anode and cathode, wherein at least one of the aforesaid organic layers is a first organic layer incorporating a compound having at most 10 repeating units, the first organic layer being prepared by coating the compound having at least one polymerizable group, followed by polymerization. | 01-22-2009 |
20090033213 | Organic Electroluminescent Element, Displaying Device and Lighting Device - This invention provides an organic electroluminescent element comprising a substrate and an electrode and one or more organic layers provided on the substrate. The organic electroluminescent element is characterized in that the layer density of at least one of the organic layers is 1.10 to 1.25 g/cm | 02-05-2009 |
20090072715 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY AND ILLUMINATOR - Disclosed is a long-life organic electroluminescent element which can be driven at low voltage. Also disclosed are a display and illuminator using the same. Specifically disclosed is an organic electroluminescent element comprising on a substrate, an anode, a cathode and an organic compound layer arranged between the anode and the cathode and including at least one light emission layer. This organic electroluminescent element is characterized in that the organic compound layer includes an electron transport material-containing layer which contains an electron transport material represented by Formula (a) and at least one substance selected from the group consisting of metals, salts of the metals and electron-donating compounds. Formula (a) Ar1-(Ar2)n [In the formula, Ar1 represents a group derived from an aromatic hydrocarbon ring or a group derived from an aromatic heterocycle; Ar2 represents a group derived from an aromatic heterocycle; and n represents an integer of 2 or more. | 03-19-2009 |
20090081357 | METHOD FOR MANUFACTURING ORGANIC ELECTROLUMINESCENT DEVICE - Disclosed is an organic EL device having high external quantum efficiency, long emission life and low driving voltage. Also disclosed are an illuminating device and a display. Specifically disclosed is an organic electroluminescent device comprising, on a supporting substrate, at least an anode, a cathode and an organic compound layer which is arranged between the anode and the cathode and includes at least one light-emitting layer. This electroluminescent device is characterized in that the anode, cathode and organic compound layer are respectively formed by coating. | 03-26-2009 |
20090091253 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - The first object of the present invention is to provide a blue phosphorescent light-emitting organic electroluminescent (EL) device driven at low voltage, and a display and illuminating device each using such an organic EL device. The second object of the present invention is to provide an organic EL device having long life, and an illuminating device and display each using such an organic EL device. Each organic EL device comprises an electrode and at least one organic layer on a substrate, and at least one of the organic layers is a light-emitting layer containing a host compound and a phosphorescent compound. In order to accomplish the first object, the host compound has an HOMO of from −7.20 to −5.42 eV and an LUMO of from −2.30 to −0.50 eV, and the phosphorescent compound is represented by the general formula (1). In order to accomplish the second object, the host compound is an electron-transporting host compound having an excited triplet energy T | 04-09-2009 |
20090092743 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY AND ILLUMINATOR - A method of producing an organic electroluminescent element may include forming a transparent electrode as an anode on a transparent substrate; forming a light emission layer on the transparent substrate having thereon the anode; and forming a cathode on the substrate having thereon the anode and the light emission layer. The light emission layer may be formed by a method including arranging at least one vaporization crucible E evaporating a light emission dopant and at least one vaporization crucible I evaporating a host material and an intermediate layer forming material; and moving the substrate having thereon the anode over the vaporization crucibles E and I to form a light emission layer. | 04-09-2009 |
20090102370 | COMPOUND, ELECTROLUMINESCENT ELEMENT CONTAINING THE SAME, ILLUMINATING DEVICE AND DISPLAY DEVICE - Provided are a novel compound, an organic EL element which contains such novel compound and has a high external extraction quantum efficiency and a long service life, an illuminating apparatus and a display apparatus. | 04-23-2009 |
20090200925 | ORGANIC ELECTROLUMINESCENT ELEMENT, LIGHTING DEVICE AND DISPLAY DEVICE - Provided is a means to obtain long lifetime of an organic EL element, and a long lifetime lighting device and a long lifetime display device utilizing the means are further provided. Disclosed is an organic electroluminescent element comprising an emission layer containing a host material and a dopant material, and a hole transport layer, provided between cathode and anode facing each other, wherein an intermediate layer is provided on an anode side of the emission layer so as to be brought into contact with the emission layer, and the hole transport layer is provided on the anode side of the intermediate layer, satisfying the following Formulae E1E4, where E1 represents an ionization potential of a hole transport material, E2 represents an ionization potential of an intermediate material, E3 represents an ionization potential of the host material, and E4 represents an ionization potential of the dopant material. | 08-13-2009 |
20090236974 | ORGANIC ELECTROLUMINESCENT DEVICE, DISPLAY AND ILLUMINATING DEVICE - Disclosed is an organic electroluminescent (EL) device having high emission luminance and high emission efficiency. Particularly disclosed are a blue-light emitting organic EL device, which is high in emission luminance, color purity, emission efficiency and durability, a display and an illuminating device each employing the organic EL device. The organic El device is characterized in that it comprises a light emission layer containing two or more kinds of host compounds and at least one dopant, wherein at least one of the two or more kinds of host compounds has an excited triplet energy of not less than 2.7 eV, and the dopant is a phosphorescent compound. | 09-24-2009 |
20090239000 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Disclosed is an organic electroluminescent device having high luminance and long-term stability under high temperature, high humidity conditions. This organic electroluminescent device is suppressed in voltage increase and generation of dark spots when driven at a constant current. Also disclosed are a display and an illuminating device using such an organic electroluminescent device. The organic electroluminescent device is characterized in that at least one of organic layers constituting the device is a light-emitting layer containing a host compound and a phosphorescent compound represented by the general formula (1) below, and the at least one organic layer has a film surface density of 1.10-1.25 g/cm | 09-24-2009 |
20090243479 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Disclosed is an organic electroluminescent device having high external quantum efficiency and long life. Also disclosed are an illuminating device and, a display device. The organic electroluminescent device is characterized by containing at least one compound having a partial structure represented by the following general formula (1). [chemical formula 1] (1) In the formula, R | 10-01-2009 |
20090284138 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode,
| 11-19-2009 |
20100045171 | ORGANIC ELECTROLUMINESCENCE ELEMENT, LIGHTING DEVICE AND DISPLAY DEVICE - Disclosed is an organic electroluminescent device having high external quantum efficiency and long emission life. Also disclosed are an illuminating device and a display, each comprising such an organic electroluminescent device. The organic electroluminescent device is characterized by comprising at least an anode and a cathode on a supporting substrate, while having at least one light-emitting layer between the anode and the cathode. The organic electroluminescent device is also characterized by containing a polymer which at least partially contains a compound A having a partial structure represented by the general formula (a) below and a reactive group, and is obtained by polymerizing the compound A through the reactive group. (In the formula, Ar1 and Ar2 respectively represent an aromatic ring.) | 02-25-2010 |
20100047107 | STEEL MATERIAL SUPERIOR IN HIGH TEMPERATURE STRENGTH AND TOUGHNESS AND METHOD OF PRODUCTION OF SAME - A steel material superior in high temperature characteristics and toughness is provided, the fire resistant steel material containing by mass %, C: 0.001% to 0.030%, Si: 0.05% to 0.50%, Mn: 0.40% to 2.00%, Nb: 0.03% to 0.50%, Ti: 0.005% to less than 0.040%, and N: 0.0008% to less than 0.0050%, restricting P: 0.030% or less and S: 0.020% or less, and having a balance of Fe and unavoidable impurities, where the contents of C and Nb satisfy C—Nb/7.74≦0.004, and Ti-based oxides of a grain size of 0.05 to 10 μm are present in a density of 30 to 300/mm | 02-25-2010 |
20100078097 | STEEL MATERIAL SUPERIOR IN HIGH TEMPERATURE CHARACTERISTICS AND TOUGHNESS AND METHOD OF PRODUCTION OF SAME - A steel material superior in high temperature characteristics and toughness is provided, that is, a steel material containing, by mass %, C: 0.005% to 0.03%, Si: 0.05% to 0.40%, Mn: 0.40% to 1.70%, Nb: 0.02% to 0.25%, Ti: 0.005% to 0.025%, N: 0.0008% to 0.0045%, B: 0.0003% to 0.0030%, restricting P: 0.030% or less, S: 0.020% or less, Al: 0.03% or less, and having a balance of Fe and unavoidable impurities, where the contents of C and Nb satisfy | 04-01-2010 |
20100276637 | ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, METHOD OF MANUFACTURING ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, AND ILLUMINATING DEVICE - In the present invention, provided is an organic electroluminescent element material having a high externally taking-out quantum efficiency, which is suitable for manufacturing an element exhibiting long light emission lifetime, and also provided is an organic electroluminescent element possessing the material, a method of manufacturing the organic electroluminescent element, and a display as well as an illuminating device fitted with the organic electroluminescent element. | 11-04-2010 |
20100295026 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Disclosed is an organic electroluminescent element containing organic layers sandwiched between an anode and a cathode, wherein the organic layers incorporates an emission layer A containing a host compound A and at least two types of emission dopants, and an emission layer B containing a host compound B and at least one type of emission dopant, provided that at least one of the emission dopants contained in the emission layer A is a phosphorescence-emitting material. | 11-25-2010 |
20100330387 | HIGH STRENGTH THICK STEEL MATERIAL AND HIGH STRENGTH GIANT H-SHAPE EXCELENT IN TOUGHNESS AND WELDABILITY AND METHODS OF PRODUCTION OF SAME - The present invention provides a high strength thick steel material excellent in toughness and weldability reduced in amount of C and amount of N, containing suitable amounts of Si, Mn, Nb, Ti, B, and O, having contents of C and Nb satisfying C—Nb/7.74≦0.004, having a density of Ti-containing oxides of a particle size of 0.05 to 10 μm of 30 to 300/mm | 12-30-2010 |
20110095278 | ORGANIC ELECTROLUMINESCENCE ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - In an organic electroluminescence element which incorporates a substrate having thereon an anode and a cathode and which incorporates a plurality of organic layers between the aforesaid anode and cathode, wherein at least one of the aforesaid organic layers is a first organic layer incorporating a compound having at most 10 repeating units, the first organic layer being prepared by coating the compound having at least one polymerizable group, followed by polymerization. | 04-28-2011 |
20110309352 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Disclosed is an organic electroluminescent device which is free from color shift while having high efficiency and long life. Also disclosed are a display and illuminating device comprising such an organic electroluminescent device. | 12-22-2011 |
20120037889 | ORGANIC ELECTROLUMINESCENCE ELEMENT, DISPLAY DEVICE AND ILLUMINATION DEVICE - Provided is an organic electroluminescence element having an anode, a cathode and an organic compound layer sandwiched between the anode and the cathode, provided that the organic compound layer containing at least a phosphorescence dopant and a polymer which contains a partial structure represented by Formula (1), and a terminal end of the polymer is end-capped, wherein the phosphorescence dopant is a metal complex containing a ligand composed of a 5 or six membered aromatic hydrocarbon ring or a 5 or six membered aromatic heterocyclic group which is bonded to a five membered nitrogen containing aromatic heterocyclic group: Formula (1) | 02-16-2012 |
20120123073 | ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, METHOD OF MANUFACTURING ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE, AND ILLUMINATING DEVICE - In the present invention, provided is an organic electroluminescent element material having a high externally taking-out quantum efficiency, which is suitable for manufacturing an element exhibiting long light emission lifetime, and also provided is an organic electroluminescent element possessing the material, a method of manufacturing the organic electroluminescent element, and a display as well as an illuminating device fitted with the organic electroluminescent element. | 05-17-2012 |
20120261654 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode,
| 10-18-2012 |
20120326601 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Provided is an organic electroluminescent element comprising a substrate having thereon an anode, a cathode, and a plurality of organic layers sandwiched between the anode and the cathode,
| 12-27-2012 |
20130099216 | ORGANIC ELECTROLUMINESCENT MATERIAL, ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND LIGHTING DEVICE - Disclosed are: an organic EL material which emits light having a short wavelength and has high luminous efficiency and long light emission life; an organic EL element which contains the organic EL material; and a lighting device and a display device, each of which comprises the organic EL element. The organic EL material is a compound represented by Formula ( | 04-25-2013 |
20130252025 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND ILLUMINATING DEVICE - Disclosed is an organic electroluminescent element having high luminous efficiency and long life. Also disclosed are a display device and an illuminating device respectively using such an organic electroluminescent element. Specifically disclosed is an organic electroluminescent element comprising an electrode and at least one or more organic layers on a substrate. This organic electroluminescent element is characterized in that at least one of the organic layers is a light-emitting layer containing a phosphorescent compound and a host compound, the phosphorescent compound has a HOMO of −5.15 to −3.50 eV and a LUMO of from −1.25 to +1.00 eV, and the host compound has a 0-0 band of the phosphorescence spectrum at not more than 460 nm and a glass transition temperature of not less than 60° C. | 09-26-2013 |
20130252026 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND ILLUMINATING DEVICE - Disclosed is an organic electroluminescent element having high luminous efficiency and long life. Also disclosed are a display device and an illuminating device respectively using such an organic electroluminescent element. Specifically disclosed is an organic electroluminescent element comprising an electrode and at least one or more organic layers on a substrate. This organic electroluminescent element is characterized in that at least one of the organic layers is a light-emitting layer containing a phosphorescent compound and a host compound, the phosphorescent compound has a HOMO of −5.15 to −3.50 eV and a LUMO of from −1.25 to +1.00 eV, and the host compound has a 0-0 band of the phosphorescence spectrum at not more than 460 nm and a glass transition temperature of not less than 60° C. | 09-26-2013 |
20130252027 | ORGANIC ELECTROLUMINESCENT ELEMENT, DISPLAY DEVICE AND ILLUMINATING DEVICE - Disclosed is an organic electroluminescent element having high luminous efficiency and long life. Also disclosed are a display device and an illuminating device respectively using such an organic electroluminescent element. Specifically disclosed is an organic electroluminescent element comprising an electrode and at least one or more organic layers on a substrate. This organic electroluminescent element is characterized in that at least one of the organic layers is a light-emitting layer containing a phosphorescent compound and a host compound, the phosphorescent compound has a HOMO of −5.15 to −3.50 eV and a LUMO of from −1.25 to +1.00 eV, and the host compound has a 0-0 band of the phosphorescence spectrum at not more than 460 nm and a glass transition temperature of not less than 60° C. | 09-26-2013 |
20140302230 | METHOD TO MAKE ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL - In the present invention, provided is an organic electroluminescent element material having a high externally taking-out quantum efficiency, which is suitable for manufacturing an element exhibiting long light emission lifetime, and also provided is an organic electroluminescent element possessing the material, a method of manufacturing the organic electroluminescent element, and a display as well as an illuminating device fitted with the organic electroluminescent element. | 10-09-2014 |
20140302636 | METHOD FOR PRODUCING A MULTI-BRANCHED STRUCTURE COMPOUND ENCAPSULATING AN IRIDIUM PHOSPHORESCENT COMPOUND - A method to produce a multi-branched structure compound encapsulating an iridium phosphorescent compound including the following sequential steps: (i) dissolving a multi-branched structure compound and an iridium phosphorescent compound in a first solvent; (ii) adding a second solvent to encapsulate the iridium phosphorescent compound into the multi-branched structure compound; and (iii) separating and purifying the multi-branched structure compound encapsulating the iridium phosphorescent compound. | 10-09-2014 |