Patent application number | Description | Published |
20080206447 | ORGANIC-ELECTROLUMINESCENCE-MATERIAL-CONTAINING SOLUTION, METHOD FOR FORMING ORGANIC ELECTROLUMINESCENCE THIN FILM AND ORGANIC ELECTROLUMINESCENCE DEVICE - An organic luminescent material-containing solution contains an organic electroluminescent material and a solvent. The organic electroluminescent material at least contains a host and dopant, and the host is an anthracene derivative. The host is dissolved in the solvent with a content of 0.5 weight percent or more while the solvent exhibits viscosity of 5 cP or more. The solvent contains an alkyl-substituted biphenyl that has an alkyl group having 1 to 10 carbon atoms as a substituent. | 08-28-2008 |
20080241588 | ORGANIC ELECTROLUMINESCENCE DEVICE AND DISPLAY - In an organic electroluminescence device including a cathode and an anode, at least an emitting layer and an electron transporting layer are provided between the cathode and the anode. The emitting layer contains a host material formed of a naphthacene derivative represented by the following formula (1) and a dopant material formed of a diketopyrolopyrrol derivative represented by the following formula (2). The electron transporting layer is preferably a benzoimidazole derivative. | 10-02-2008 |
20080241591 | ORGANIC ELECTROLUMINESCENCE DEVICE AND PHENYLENEDIAMINE DERIVATIVE - The invention is to provide an organic EL device having a long life time that can reduce the driving voltage of the organic EL device, and to provide a material having a small ionization potential and exhibiting a large hole mobility by using as a layer or a zone. The organic electroluminescence device comprises a pair of electrodes and an organic light emitting layer sandwiched in the electrodes, characterized in that a hole transporting zone provided between the electrodes comprises the phenylenediamine derivative represented by the specific structural formulae, and the phenylenediamine derivative has a hole mobility of 10 | 10-02-2008 |
20080254319 | ORGANIC ELECTROLUMINESCENCE DEVICE AND DISPLAY - In an organic electroluminescence device including a cathode and an anode, at least an emitting layer and an electron transporting layer are provided between the cathode and the anode. The emitting layer contains a host material formed of a naphthacene derivative represented by the following formula (1) and a dopant material formed of a compound having a pyrromethene skeleton represented by the following formula (2) or a metal complex of the compound. The electron transporting layer is preferably a benzoimidazole derivative. | 10-16-2008 |
20090008605 | NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A naphthalene derivative represented by the following formula (1) is provided. In the formula, Ar | 01-08-2009 |
20090008606 | NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A naphthalene derivative represented by the following formula (1) is provided. In the formula, Ar | 01-08-2009 |
20090008607 | NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A naphthalene derivative represented by the following formula (1) is provided. In the formula (1), Ar | 01-08-2009 |
20090009065 | ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer includes at least one phosphorescent material and a host material represented by the following Formula (1). | 01-08-2009 |
20090009066 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer contains: a host material represented by the following formula (1); and at least one phosphorescent material. | 01-08-2009 |
20090039317 | NAPHTHALENE DERIVATIVE, MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE, AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A naphthalene derivative represented by the following formula (1) is provided. In the formula (1), Ar | 02-12-2009 |
20090045730 | ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1). | 02-19-2009 |
20090045731 | ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. The organic thin-film layer includes at least one emitting layer. The at least one emitting layer contains at least one phosphorescent material and a host material represented by the following formula (1). | 02-19-2009 |
20090072732 | Organic electroluminescence device - An organic electroluminescence device comprising a cathode, an anode and, sandwiched between the cathode and the anode, at least a hole transporting layer and a light emitting layer containing a phosphorescent light emitting material and a host material, wherein the hole transporting layer comprises a hole transporting material having a triplet energy of 2.52 to 3.70 eV and a hole mobility of 10 | 03-19-2009 |
20090167167 | Organic electroluminescent device and material for organic electroluminescent device - Disclosed is a novel compound useful as a constituent of an organic EL device. Also disclosed is a practical organic EL device using this compound. This organic EL device has low driving voltage, long life, and reduced leakage current. Specifically disclosed is a compound characterized by having at least one structure (1) shown below in a molecule. Structure (1) | 07-02-2009 |
20090174313 | ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC-ELECTROLUMINESCENCE-MATERIAL-CONTAINING SOLUTION - An organic electroluminescence device includes: an anode ( | 07-09-2009 |
20090200929 | ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - An anthracene derivative with a specified asymmetrical type structure. An organic electroluminescence device which comprises at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the anthracene derivative. An organic electroluminescence device which emits blue light of enhanced purity and has a long lifetime is provided. | 08-13-2009 |
20100012931 | POLYCYCLIC COMPOUNDS AND ORGANIC ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - Provided are a polycyclic compound of a compound having such a structure that two benzene rings bond to a central benzene ring each other to form a fused ring and another fused ring bonds to a terminal thereof, and an organic electroluminescence device including one or more organic thin film layers containing a light emitting layer between a cathode and an anode, in which at least one of the organic thin film layers includes the polycyclic compound of the present invention. The organic electroluminescence device has high luminous efficiency, no defect in pixels, and long lifetime. In addition, provided is a polycyclic compound realizing the organic electroluminescence device. | 01-21-2010 |
20100141129 | Organic electroluminescence element - An organic electroluminescence element comprising: an anode; a first emitting layer comprising at least a first host material and a first dopant; a second emitting layer comprising at least a second host material and a second dopant; and a cathode in the order mentioned: wherein the energy gap E | 06-10-2010 |
20100155713 | Metal complex compound and organic electroluminescent device using same - A metal complex compound having a special structure containing metals such as iridium. An organic electroluminescence device which comprises at least one organic thin film layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises the above metal complex compound, which emits light by applying an electric voltage between the pair of electrode. An organic EL device employing the novel metal complex compound emits various phosphorous lights including blue light having an enhanced current efficiency and prolonged lifetime. | 06-24-2010 |
20100181555 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICE, ORGANIC ELECTROLUMINESCENT DEVICE, AND ORGANIC ELECTROLUMINESCENT DISPLAY - A material for an organic electroluminescent device including an imine derivative represented by the following formula (Ia) or (Ib), | 07-22-2010 |
20100181906 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device including a first electrode ( | 07-22-2010 |
20100194270 | CHRYSENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT DEVICE USING THE SAME - A chrysene derivative shown by the following formula: | 08-05-2010 |
20100200848 | ORGANIC ELECTROLUMINESCENT DEVICE WITH CARRIER BLOCKING LAYER INTERPOSED BETWEEN TWO EMITTING LAYERS - An organic electroluminescent device including in sequence an anode, a first emitting layer ( | 08-12-2010 |
20100201255 | Organic electroluminescence device - An organic electroluminescence device comprising a pair of electrodes and a layer of an organic light emitting medium disposed between the pair of electrodes, wherein the layer of an organic light emitting medium comprises a mixed layer comprising (A) at least one hole transporting compound and (B) at least one electron transporting compound, an energy gap of the hole transporting compound represented by Eg1 and an energy gap of the electron transporting compound represented by Eg2 satisfy a relation: Eg108-12-2010 | |
20100219404 | ORGANIC EL DEVICE - An organic EL device includes: an anode, a cathode and an organic thin-film layer interposed between the anode and the cathode, in which the organic thin-film layer includes: an emitting layer containing a host material and a phosphorescent material; and a hole transporting layer provided adjacent to the anode relative to the emitting layer. The hole transporting layer includes a first hole transporting layer and a second hole transporting layer that are sequentially layered on the anode, in which the first hole transporting layer contains an amino compound substituted by an aromatic substituent represented by a formula (1) below and the second hole transporting layer contains at least one of compounds represented by formulae (2) to (5) below. | 09-02-2010 |
20100258767 | COMPOSITE ORGANIC ELECTROLUMINESCENT MATERIAL AND PRODUCTION METHOD THEREOF - A composite organic EL material suited to flash deposition and a method for producing the same are provided. A composite organic electroluminescence material in which an organic material and an organic metal complex are combined with each other, wherein the melting point of the organic material is lower by 30° C. or more than the decomposition temperature of the organic metal complex. | 10-14-2010 |
20100295444 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device including an anode, an emitting layer, an electron-transporting region and a cathode in sequential order, wherein the emitting layer contains a host and a dopant which gives fluorescent emission of which the main peak wavelength is 550 nm or less; the affinity Ad of the dopant is equal to or larger than the affinity Ah of the host; the triplet energy E | 11-25-2010 |
20100295445 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescence device containing an anode, an emitting layer, a blocking layer, an electron-injecting layer and a cathode in sequential order; wherein the emitting layer contains a host and a dopant which gives fluorescent emission of which the main peak wavelength is 550 nm or less; the affinity Ad of the dopant is smaller than the affinity Ah of the host; the triplet energy E | 11-25-2010 |
20100301318 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescence device including at least an anode, an emitting layer, an electron-transporting region and a cathode in sequential order, wherein the emitting layer contains a host and a dopant which gives fluorescent emission of which the main peak wavelength is 550 nm or less; the affinity Ad of the dopant is equal to or larger than the affinity Ah of the host; the triplet energy E | 12-02-2010 |
20100301319 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescence device including an anode, an emitting layer, a blocking layer, an electron-injecting layer and a cathode in sequential order; wherein the emitting layer contains a host and a dopant which gives fluorescent emission of which the main peak wavelength is 550 nm or less; the affinity Ad of the dopant is smaller than the affinity Ah of the host; the triplet energy E | 12-02-2010 |
20100308315 | ORGANIC ELECTRIC-FIELD LIGHT-EMITTING ELEMENT - In an organic electroluminescent element comprising an anode layer, an organic luminescent layer, an inorganic compound layer (or reductive dopant layer) and a cathode layer; the organic luminescent layer comprises an aromatic amine compound of a formula (1), and/or an aromatic amine compound of a formula (2) | 12-09-2010 |
20100308718 | ASYMMETRIC PYRENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE EMPLOYING THE SAME - Asymmetric pyrene derivatives having specific structure. An organic EL device comprising at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises at least one kind selected from the aforementioned asymmetric pyrene derivatives singly or as a component of mixture thereof. An organic EL device exhibiting a great efficiency of light emission and having a long lifetime, and also asymmetric pyrene derivatives for realizing the organic EL device are provided. | 12-09-2010 |
20100314644 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescence device including opposite anode and cathode, and a hole-transporting region, an emitting layer and an electron-transporting region in sequential order from the anode between the anode and the cathode, wherein the emitting layer is formed of a red emitting layer, a green emitting layer, and blue emitting layer; the blue emitting layer contains a host BH and a fluorescent dopant FBD; the triplet energy E | 12-16-2010 |
20110017984 | Metal complex compound and organic electroluminescent device using same - A metal complex compound having a special structure containing metals such as iridium. An organic electroluminescence device which comprises at least one organic thin film layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises the above metal complex compound, which emits light by applying an electric voltage between the pair of electrode. An organic EL device employing the novel metal complex compound emits various phosphorous lights including blue light having an enhanced current efficiency and prolonged lifetime. | 01-27-2011 |
20110049482 | Novel aromatic compound and organic electroluminescent element containing the same - A novel aromatic compound having an anthracene skeleton structure and an asymmetric molecular structure; and an organic electroluminescence device which comprises a cathode, an anode and an organic thin film layer comprising at least one layer containing a light emitting layer and sandwiched between the cathode and the anode in which at least one layer in the organic thin film layer contains the above novel aromatic compound singly or as a component of a mixture. The organic electroluminescence device exhibits a great luminance of emitted light, a great efficiency of light emission and a high purity of color, emits bluish light, is excellent in stability at high temperatures and has a long life. The organic electroluminescence device can be provided by utilizing the novel aromatic compound. | 03-03-2011 |
20110049483 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device including opposite anode and cathode, and a hole-transporting region, an emitting layer and an electron-transporting region in sequential order from the anode between the anode and the cathode, wherein the emitting layer includes a red emitting portion, a green emitting portion, and a blue emitting portion; the blue emitting portion includes a host BH and a fluorescent dopant FBD; the triplet energy E | 03-03-2011 |
20110121277 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic EL device | 05-26-2011 |
20110163660 | Organic electroluminescence element - An organic electroluminescence element comprising: an anode layer, a cathode layer, and an organic luminescence layer therebetween, the organic luminescence layer having a carbazole derivative with a glass-transition temperature of 110° C. or higher, and a phosphorescent dopant. This structure makes it possible to provide an organic electroluminescence element which can make use of the triplet exciton state of the carbazole derivative even at room temperature and which has a practical life and superior heat-resistance. | 07-07-2011 |
20110205255 | Organic electroluminescence display device and method for driving the same - In an organic electroluminescence display device ( | 08-25-2011 |
20110260167 | Actively driven organic el device and manufacturing method thereof - The present invention is a active-driving organic EL light emission device comprising an organic EL element comprising an organic luminous medium between an upper electrode and a lower electrode, and a thin film transistor for driving this organic EL element, wherein light emitted from the organic EL element is taken out from the side of the upper electrode, and the upper electrode comprises a main electrode formed of transparent conductive material, and an auxiliary electrode formed of a low-resistance material. According to the active-driving organic EL light emission device of this structure, the numerical aperture can be made large. Additionally, the sheet resistivity of the upper electrode can be made low even if luminescence is taken out from the side of the upper electrode. Thus, it is possible to provide an active-driving organic EL light emission device making it possible to display images having a high brightness and a homogenous brightness; and a method for manufacturing the same. | 10-27-2011 |
20110278561 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - To attain an organic electroluminescence device having a long lifetime and high luminous efficiency, and is capable of emitting blue light having a high color purity, and an aromatic amine derivative for realizing the device, the present invention provides an aromatic amine derivative having a specific structure, and an organic electroluminescence device including an organic thin film layer composed of one or more layers including at least a light emitting layer and interposed between a cathode and an anode, in which at least one layer of the organic thin film layer contains the aromatic amine derivative alone or as a component of a mixture. | 11-17-2011 |
20110309338 | Materical for organic electroluminescent devices and organic electroluminescent devices made by using the same - 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. | 12-22-2011 |
20120012820 | ORGANIC ELECTROLUMINESCENCE DEVICE AND METHOD FOR PRODUCING ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes: an anode; a cathode opposed to the anode; and a plurality of emitting units including at least a first emitting unit and a second emitting unit. The plurality of emitting units each includes: an emitting layer; and an intermediate unit between the first emitting unit and the second emitting unit. The intermediate unit includes an electron injecting layer, a zinc oxide layer and a hole injecting layer in this sequence from the anode. The electron injecting layer contains an electron donating material and is adjacent to the first emitting unit. The hole injecting layer contains an organic electron accepting material and is adjacent to the second emitting unit. | 01-19-2012 |
20120085995 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are an organic electroluminescence device, which: shows high luminous efficiency; is free of any pixel defect; and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound of a specific structure having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, or oxygen atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device. | 04-12-2012 |
20120112629 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are an organic electroluminescence device, which: shows high luminous efficiency; is free of any pixel defect; and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound of a specific structure having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, or oxygen atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device. | 05-10-2012 |
20120126356 | PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device including a substrate, a photoelectric conversion element including a first electrode, a second electrode and an organic compound layer and a sealing member that are disposed in this order. When a cross section of the photoelectric conversion device in a thickness direction is observed with the sealing member being placed at an upper side, a bonding member seals the organic compound layer at an outside thereof. An output electrode on the sealing member has a protrusion. A side conductive portion is electrically connected with the protrusion in an up-and-down direction. A substrate conductive member electrically connected with the first electrode and the second electrode extends to an outside of the bonding member. An electrical connecting member electrically connects the side conductive portion to the substrate conductive member at a further outside of the bonding member. | 05-24-2012 |
20120138918 | ORGANIC ELECTROLUMINESCENCE ELEMENT - Atop-emission organic electroluminescence device ( | 06-07-2012 |
20120139410 | ORGANIC ELECTROLUMINESCENCE DEVICE AND MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes: a cathode; an anode; and a single-layered or multilayered organic thin-film layer provided between the cathode and the anode. In the organic electroluminescence device, the organic thin-film layer includes at least one emitting layer, and the at least one emitting layer contains: at least one phosphorescent material; and a host material represented by the following formula (1). | 06-07-2012 |
20120153267 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic EL device | 06-21-2012 |
20120169219 | METAL COMPLEX COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE USING SAME - A metal complex compound having a special structure containing metals such as iridium. An organic electroluminescence device which comprises at least one organic thin film layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein the organic thin film layer comprises the above metal complex compound, which emits light by applying an electric voltage between the pair of electrode. An organic EL device employing the novel metal complex compound emits various phosphorous lights including blue light having an enhanced current efficiency and prolonged lifetime. | 07-05-2012 |
20120181524 | NITROGEN-CONTAINING AROMATIC HETEROCYCLIC DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - A nitrogen-containing aromatic heterocyclic derivative represented by the following formula, wherein X | 07-19-2012 |
20120199817 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes an anode, a cathode, and an organic thin-film layer interposed between the anode and the cathode. The organic thin-film layer includes a phosphorescent-emitting layer containing a host and a phosphorescent dopant, and an electron transporting layer that is provided closer to the cathode than the phosphorescent-emitting layer. The host contains a substituted or unsubstituted polycyclic fused aromatic skeleton. | 08-09-2012 |
20120235129 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICES AND ORGANIC ELECTROLUMINESCENT DEVICES MADE BY USING THE SAME - 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. | 09-20-2012 |
20120248968 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic EL device includes a pair of electrodes and an organic compound layer between pair of electrodes. The organic compound layer includes an emitting layer including a first material and a second material. The second material is a fluorescent material. Singlet energy EgS(H) of the first material and singlet energy EgS(D) of the second material satisfy a relationship of the following formula (1). The first material satisfies a relationship of the following formula (2) in terms of a difference ΔST(H) between the singlet energy EgS(H) and an energy gap Eg | 10-04-2012 |
20120298975 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE MATERIAL - A material for organic electroluminescence devices comprising a compound in which a heterocyclic group having nitrogen is bonded to an arylcarbazolyl group or a carbazolylalkylene group and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer comprising at least one layer and disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices described above. The material can provide an organic electroluminescence device emitting bluish light with a high purity of color. The organic electroluminescence device uses the material. | 11-29-2012 |
20120305908 | ORGANIC ELECTROLUMINESCENCE DEVICE AND DISPLAY - In an organic electroluminescence device including a cathode and an anode, at least an emitting layer and an electron transporting layer are provided between the cathode and the anode. The emitting layer contains a host material formed of a naphthacene derivative represented by the following formula (1) and a dopant material formed of a compound having a pyrromethene skeleton represented by the following formula (2) or a metal complex of the compound. The electron transporting layer is preferably a benzoimidazole derivative. | 12-06-2012 |
20120319099 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICES AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE MATERIAL - A material for organic electroluminescence devices comprising a compound in which a heterocyclic group having nitrogen is bonded to an arylcarbazolyl group or a carbazolylalkylene group and an organic electroluminescence device comprising an anode, a cathode and an organic thin film layer comprising at least one layer and disposed between the anode and the cathode, wherein at least one layer in the organic thin film layer comprises the material for organic electroluminescence devices described above. The material can provide an organic electro-luminescence device emitting bluish light with a high purity of color. The organic electroluminescence device uses the material. | 12-20-2012 |
20130075716 | ORGANIC ELECTROLUMINESCENCE ELEMENT - An organic electroluminescence device ( | 03-28-2013 |
20130092913 | ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescence device, including: an anode; a cathode opposed to the anode; and a first emitting layer and a second emitting layer between the anode and the cathode in this sequence from the anode, wherein: the first emitting layer and the second emitting layer each include a host and a phosphorescent dopant; the host of the first emitting layer and the host of the second emitting layer each have a triplet energy of 2.8 eV or more; the host of the first emitting layer has an ionization potential of 5.5 eV or less; and an affinity Af | 04-18-2013 |
20130126849 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescence device comprising a cathode, an anode and at least one layer comprising a phosphorescent light emitting material and a host material which is sandwiched between the cathode and the anode and further comprising an electron injecting layer which is adhered to the light emitting layer and is capable of transporting electrons, wherein an ionization potential of the host material is 5.9 eV or smaller, and wherein an energy gap of the electron transporting material in the electron injecting layer is smaller than that of the host material in the light emitting layer or wherein a triplet energy of the electron transporting material in the electron injecting layer is smaller than that of the host material in the light emitting layer. It emits phosphorescent light with enhanced efficiency because it comprises a light emitting layer and an electron injecting layer both satisfying specified condition and employs a light emitting layer capable of electron transporting. | 05-23-2013 |
20130153874 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are an organic electroluminescence device, which: shows high luminous efficiency; is free of any pixel defect; and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound of a specific structure having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, or oxygen atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device. | 06-20-2013 |
20130187143 | ORGANIC EL DEVICE AND ANTHRACENE DERIVATIVE - An organic EL device includes: an anode for injecting holes; a phosphorescent-emitting layer; a fluorescent-emitting layer; and a cathode for injecting electrons. The phosphorescent-emitting layer contains a phosphorescent host and a phosphorescent dopant for phosphorescent emission. The fluorescent-emitting layer contains a fluorescent host and a fluorescent dopant for fluorescent emission. The fluorescent host is at least one of an asymmetric anthracene derivative represented by a formula (1) below and a pyrene derivative represented by a formula (2) below. | 07-25-2013 |
20130200346 | ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - In an organic electroluminescence display device ( | 08-08-2013 |
20130221333 | ORGANIC ELECTROLUMINESCENCE DEVICE - Provided is an organic electroluminescence device having a long lifetime and capable of emitting blue light with high luminous efficiency. The organic electroluminescence device has an organic thin film layer composed of one or multiple layers including at least a light emitting layer and interposed between a cathode and an anode. In the organic electroluminescence device, the light emitting layer contains at least one kind selected from compounds each having a specific fluoranthene structure and at least one kind selected from fused ring-containing compounds each having a specific structure. | 08-29-2013 |
20130221341 | PHOTOELECTRIC CONVERSION DEVICE, AND PROCESS FOR MANUFACTURING PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device includes a first substrate, a first electrode, an organic layer, a second electrode and a second substrate that are provided in this order. An auxiliary electrode is interposed between the first electrode and the organic layer. When the photoelectric conversion device is seen in a cross section taken in a thickness direction of the first substrate, a thickness of the auxiliary electrode is greater than a thickness of the organic layer. | 08-29-2013 |
20130240858 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device including opposite anode and cathode, and a hole-transporting region, an emitting layer and an electron-transporting region in sequential order from the anode between the anode and the cathode, wherein the emitting layer includes a red emitting portion, a green emitting portion, and a blue emitting portion; the blue emitting portion includes a host BH and a fluorescent dopant FBD; the triplet energy E | 09-19-2013 |
20130270539 | ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescence device including at least an anode, an emitting layer, an electron-transporting region and a cathode in sequential order, wherein the emitting layer contains a host and a dopant which gives fluorescent emission of which the main peak wavelength is 550 nm or less; the affinity Ad of the dopant is equal to or larger than the affinity Ah of the host; the triplet energy E | 10-17-2013 |
20130292664 | ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescence device includes a pair of electrodes and an organic compound layer interposed therebetween. The organic compound layer includes a plurality of emitting layers including a first emitting layer and a second emitting layer, in which at least one of the first and second emitting layers contains a phosphorescent dopant material, and a space layer between the first and second emitting layers. The space layer contains a compound satisfying a relationship of the following numerical formula (1) in terms of a difference ΔST between singlet energy EgS and an energy gap Eg | 11-07-2013 |
20130299812 | ORGANIC ELECTROLUMINESCENT ELEMENT AND ILLUMINATION DEVICE - An organic electroluminescence device includes: a first substrate, first electrode, organic compound layer and second electrode in this sequence. A first insulative portion and a second auxiliary electrode are formed between the first electrode and the second electrode in this sequence from the first electrode. The second electrode is in electric continuity with the second auxiliary electrode. The first electrode and the organic compound layer are insulated from the second auxiliary electrode by the first insulative portion. | 11-14-2013 |
20130307406 | ORGANIC ELECTROLUMINESCENT ELEMENT AND ILLUMINATION DEVICE - An organic electroluminescence device includes: a first substrate; a reflective metal layer; a first electrode; an organic compound layer; and a second electrode, which are disposed in this sequence. The first substrate is provided by at least one of a metal film, a metal plate, a polymer film, a polymer plate, a polymer film with a damp-proof film, and a polymer plate with a damp-proof film. A smoothening layer is formed partially between the reflective metal layer and the first electrode. The reflective metal layer and the first electrode are electrically conductive to each other at a region where the smoothening layer is not formed. | 11-21-2013 |
20140001448 | ORGANIC ELECTROLUMINESCENCE DEVICE | 01-02-2014 |
20140001460 | MATERIAL FOR ORGANIC ELECTROLUMINESCENT DEVICES AND ORGANIC ELECTROLUMINESCENT DEVICES MADE BY USING THE SAME | 01-02-2014 |
20140061627 | ORGANIC EL ELEMENT AND SOLUTION CONTAINING ORGANIC EL MATERIAL - An organic electroluminescence device ( | 03-06-2014 |
20140103329 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic EL device includes a pair of electrodes and an organic compound layer between pair of electrodes. The organic compound layer includes an emitting layer including a first material and a second material. The second material is a fluorescent material. Singlet energy EgS(H) of the first material and singlet energy EgS(D) of the second material satisfy a relationship of the following formula (1). The first material satisfies a relationship of the following formula (2) in terms of a difference ΔST(H) between the singlet energy EgS(H) and an energy gap Eg | 04-17-2014 |
20140131680 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes an anode, a cathode, and an organic thin-film layer interposed between the anode and the cathode. The organic thin-film layer includes a phosphorescent-emitting layer containing a host and a phosphorescent dopant, and an electron transporting layer that is provided closer to the cathode than the phosphorescent-emitting layer. The host contains a substituted or unsubstituted polycyclic fused aromatic skeleton. | 05-15-2014 |
20140138664 | ORGANIC ELECTROLUMINESCENCE DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME - In an organic electroluminescence display device ( | 05-22-2014 |
20140159005 | ANTHRACENE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING THE SAME - An anthracene derivative represented by the following formula (1): | 06-12-2014 |
20140239282 | ORGANIC ELECTROLUMINESCENCE ELEMENT - An organic electroluminescence element comprising: an anode layer, a cathode layer, and an organic luminescence layer therebetween, the organic luminescence layer having a carbazole derivative with a glass-transition temperature of 110° C. or higher, and a phosphorescent dopant. This structure makes it possible to provide an organic electroluminescence element which can make use of the triplet exciton state of the carbazole derivative even at room temperature and which has a practical life and superior heat-resistance. | 08-28-2014 |
20140239283 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE UTILIZING THE SAME - Provided is a novel aromatic amine derivative with specified structure. Also provided is an organic electroluminescence device having one or more organic thin-film layers including at least a luminescent layer interposed between a cathode and an anode, in which at least one of the organic thin-film layers contains the above aromatic amine derivative alone or as a component of mixture. As a result, there is provided an organic electroluminescence device that has high emission luminance and high heat resistance, excelling in high-temperature storage ability and has long life, and provided an aromatic amine derivative for realizing the organic electroluminescence device. | 08-28-2014 |