Patent application number | Description | Published |
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 |
20120001154 | Aromatic amine derivative and organic electroluminescence device using the same - An aromatic amine derivative represented by the following formula (1), wherein at least one of Ar | 01-05-2012 |
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 |
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 |
20120187391 | AROMATIC AMINE DERIVATIVE, ORGANIC DEVICE MATERIAL AND HOLE-INJECTION/TRANSPORT MATERIAL AND ORGANIC ELECTROLUMINESCENT ELEMENT MATERIAL EACH COMPRISING THE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT - An aromatic amine derivative represented by the following formula (1), wherein L is a linking group, Z is a group represented by the following formula (2) and A | 07-26-2012 |
20120273766 | AROMATIC HETEROCYCLIC DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - An aromatic heterocyclic derivative represented by the following formula (1), a material for an organic electroluminescence device and an organic electroluminescence device including these: | 11-01-2012 |
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 |
20130299806 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME - To provide an organic EL element material that is capable of enhancing the light emission efficiency and the lifetime of the element as compared to an ordinary organic EL element material, and an organic EL element using the same. Specifically, to provide an aromatic amine derivative represented by Ar | 11-14-2013 |
20140018536 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - An aromatic amine derivative represented by the following formula (1), wherein at least one of Ar | 01-16-2014 |
20140034942 | ORGANIC ELECTROLUMINESCENCE DEVICE - A top-emitting organic electroluminescence device including sequentially a first electrode, one or more organic layers comprising an emitting layer, a second electrode and a capping layer, wherein the capping layer comprises a compound represented by the following formula (1): | 02-06-2014 |
20140084270 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device includes an anode, a cathode, a first organic layer and an emitting layer including a luminescent material, in which the first organic layer and the emitting layer are interposed between the anode and the cathode in this sequence from the anode. The emitting layer contains a first material represented by the following formula (1-1) and a second material. The first organic layer contains a compound represented by the following formula (4). | 03-27-2014 |
20140159023 | ORGANIC EL MULTI-COLOR LIGHT-EMITTING DEVICE - An organic EL multi-color emitting device including a substrate, and a first light-emitting element and a second light-emitting element arranged on the surface of the substrate; the first light-emitting element including, between an anode and a cathode, a first organic layer, a second organic layer and a third organic layer in this sequence in a direction perpendicular to the surface of the substrate; the second light-emitting element including, between an anode and a cathode, a second organic layer and a third organic layer in this sequence in a direction perpendicular to the surface of the substrate; the first organic layer including a first light-emitting dopant; the third organic layer including a second light-emitting dopant; the second organic layer including any of (A) a compound including an arylamine site, and a furan site or a thiophene site, (B) a compound including an arylamine site and a site comprising a nitrogen-containing six-membered ring structure, (C) a compound including a carbazole site, and a furan site or a thiophene site, and (D) a compound including a carbazole site and a site including a nitrogen-containing six-membered ring structure. | 06-12-2014 |
20140167003 | ORGANIC ELECTROLUMINESCENCE DEVICE - Problem to Be Solved: | 06-19-2014 |
20140167026 | NITROGENATED AROMATIC HETEROCYCLIC DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME - A nitrogen-containing aromatic heterocyclic derivative in which a nitrogen atom of an indenocarbazole skeleton optionally having a hetero atom or an indenoindole skeleton optionally having a hetero atom is bonded to a dibenzofuran or a dibenzothiophene directly or indirectly. The derivative realizes an organic EL device with a high emission efficiency and a long lifetime. | 06-19-2014 |
20140299855 | CARBAZOLE-BASED POLYMER AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING SAME - A polymer including a structural unit represented by the following formula (A). In the formula (A), P is independently a group represented by the following formula (P), a is an integer of 2 to 5, and b is an integer of 0 to 5. In the formula (P), A is independently a nitrogen atom or CR; X is a single bond, O, S, C(R) | 10-09-2014 |
Patent application number | Description | Published |
20090018158 | CRYSTAL FORMS OF AN IMIDAZOLE DERIVATIVE - The invention relates to the essentially pure Λ/-[({2-[4-(2-Ethyl-4,6-dimethyl-1H-imidazo[4,5-c]pyridin-1 -yl)phenyl]ethyl}amino)carbonyl]-4-methylbenzenesulfonamide Polymorph Forms A and B and to processes for the preparation of, compositions containing and to the uses of, such crystal forms. | 01-15-2009 |
20090302743 | 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. | 12-10-2009 |
20090309488 | 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 having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur 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. | 12-17-2009 |
20110253995 | 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 having a π-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur 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. | 10-20-2011 |
20110278551 | AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT - Provided are an organic electroluminescence device that not only provides high efficiency but also has a long lifetime, and an aromatic amine derivative that realizes the device. The organic electroluminescence device includes an aromatic amine derivative, including at least one substituent A having dibenzofuran and at least one substituent B selected from groups each having dibenzofuran or carbazole, in a molecule thereof, in which the substituent A and the substituent B include groups different from each other, and the substituent A and the substituent B are bonded to the same nitrogen atom, or different nitrogen atoms, in the molecule. The molecules of the aromatic amine derivative hardly crystallize, which improves a yield in the production of the organic electroluminescence device. In the organic electroluminescence device, including an organic thin film layer formed of one or more layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, the aromatic amine derivative is contained in at least one layer, particularly a hole transport layer, in the organic thin film layer. | 11-17-2011 |
20110297924 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT - Provided are a long-lifetime organic electroluminescence device which can be fabricated in an improved yield owing to suppressed crystallization of molecules, and an aromatic amine derivative that realizes the device, i.e., a novel aromatic amine derivative having a specific structure. Specifically provided are an organic electroluminescence device, including an organic thin film layer formed of one or more layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode, and an aromatic amine derivative for at least one layer of the organic thin film layer, in particular, a hole transporting layer, the derivative having at least one such structure that a substituent in which two or more specific heterocycles are linked to each other, in particular, a substituent in which two or more specific heterocycles are linked through an aryl group is bonded to an amine through an aryl group. | 12-08-2011 |
20120012832 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENT ELEMENT USING SAME - There are provided an aromatic monoamine derivative having a fluorene structure-containing organic group and an aromatic hydrocarbon group-containing organic group, and an organic electroluminescent element containing an organic thin film layer composed of a single layer or plural layers while including at least a light emitting layer, the organic thin film layer being between a cathode and an anode, wherein at least one layer of the organic thin film layer, particularly a hole transport layer, contains the aromatic amine derivative alone or as a component of a mixture. An organic electroluminescent element which maintains high luminous efficiency even if exposed to a high temperature environment, and has a low driving voltage and a long emission lifetime, and an aromatic amine derivative capable of realizing the organic electroluminescent element are provided. | 01-19-2012 |
20120104943 | 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 having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur 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. | 05-03-2012 |
20120146014 | AROMATIC AMINE DERIVATIVES AND ORGANIC ELECTROLUMINESCENT ELEMENTS USING SAME - Provided are an organic EL device material that reduce the driving voltage of an organic EL device and increase the lifetime of the device as compared with a conventional organic EL device material. Also provided are organic electroluminescence devices containing the organic EL device material. | 06-14-2012 |
20120175600 | AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT - Provided is an organic electroluminescence device that provides high efficiency and a long lifetime. The device includes an aromatic amine including at least one substituent A having dibenzofuran and at least one substituent B selected from groups having dibenzofuran or carbazole. The substituent A and the substituent B include groups different from each other and are bonded to the same or different nitrogen atoms in the molecule. The molecules of the aromatic amine hardly crystallize, improving yield in producing the organic electroluminescence device. The device includes an organic thin film layer formed of one or more layers including at least a light emitting layer, the organic thin film layer being interposed between a cathode and an anode. The aromatic amine is contained in at least one layer, particularly a hole transport layer, in the organic thin film layer. | 07-12-2012 |
20120223295 | BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE - Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of 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 biscarbazole derivative. | 09-06-2012 |
20120248426 | AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME - Provided is an aromatic amine derivative represented by the formula N(Ar | 10-04-2012 |
20120292606 | AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT - An aromatic amine derivative including a substituent A and a substituent B each represented by the formula (1) or (2) and having an arylene group bound to a carbazole structure, in which the substituent A and the substituent B include groups different from each other in the position at which the arylene group is bonded to the carbazole structure, and the substituent A and the substituent B are bonded to the same nitrogen atom or different nitrogen atoms in the molecule; an organic electroluminescent device including an organic thin-film layer formed of one or more layers including at least a light emitting layer, the organic thin-film layer being interposed between a cathode and a anode, in which at least one layer of the organic thin-film layer contains the aromatic amine derivative, and the molecules are rarely crystallized. | 11-22-2012 |
20120319091 | AROMATIC AMINE DERIVATIVE, AND ORGANIC ELECTROLUMINESCENT ELEMENT COMPRISING SAME - Provided are: an aromatic amine derivative having a terminal substituent selected from a dibenzofuran, a dibenzothiophene, a substituted carbazole, and a substituted fluorene bound to the central skeleton having a specific structure through a nitrogen atom; an organic electroluminescence device, including an organic thin-film layer formed of one or more layers including at least a light emitting layer, the organic thin-film layer being 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, the organic electroluminescence device having a long lifetime and high luminous efficiency; and an aromatic amine derivative for realizing the device. | 12-20-2012 |
20130020563 | 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. | 01-24-2013 |
20130306961 | ORGANIC LIGHT EMITTING DEVICE AND MATERIALS FOR USE IN SAME - The present invention provides an OLED in which an organic thin film emissive layer comprising a single layer or plural layers between a cathode and an anode, wherein the organic thin film layer comprises at least one organic light emitting layer, wherein at least one light emitting layer comprises at least one host material and at least one phosphorescent emitter material, wherein the host material comprises a substituted or unsubstituted hydrocarbon compound having the chemical structure represented by the following formula: | 11-21-2013 |
20140061602 | ORGANIC ELECTROLUMINESCENCE DEVICE - An organic electroluminescence device contains an anode and a cathode facing each other, and intervening therebetween at least two hole transporting layers and a light emitting layer sequentially, and one of the hole transporting layers contains a compound having a particular structure having a fluorene structure at the center thereof, and is not adjacent to the light emitting layer. The organic electroluminescence device has a hole transporting layer having an increased thickness, is capable of being controlled in the thickness of the optical film, and has an enhanced device capability. | 03-06-2014 |
20140110692 | ORGANIC ELECTROLUMINESCENT ELEMENT - An organic electroluminescence device includes a first organic thin-film layer and a second organic thin-film layer between an anode and a cathode opposing the anode in this order from the anode side. The first organic thin-film layer includes a specific aromatic heterocyclic derivative A, and the second organic thin-film layer includes a specific aromatic heterocyclic derivative B. The aromatic heterocyclic derivative A and the aromatic heterocyclic derivative B are different from each other. The organic electroluminescence device is capable of driving at a low voltage and has a long lifetime. | 04-24-2014 |
20140312331 | BISCARBAZOLE DERIVATIVES AND ORGANIC ELECTROLUMINESCENCE - Provided are an organic electroluminescence device having high current efficiency and a long lifetime, and a biscarbazole derivative for realizing the device. The biscarbazole derivative has a specific substituent. The organic EL device has a plurality of 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 biscarbazole derivative. | 10-23-2014 |
20140374720 | AROMATIC AMINE DERIVATIVE AND ORGANIC ELECTROLUMINESCENCE ELEMENT USING SAME - An aromatic amine derivative represented by formula (1): | 12-25-2014 |