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Hironobu Iwawaki, Yokohama-Shi JP

Hironobu Iwawaki, Yokohama-Shi JP

Patent application numberDescriptionPublished
20080224603NAPHTHALENE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING THE COMPOUND - There is provided an organic light-emitting device having an optical output with a high a high efficiency and a high luminance, and having good durability. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which the layer contains a naphthalene compound represented by the general formula (1):09-18-2008
20090184630NOVEL CONDENSED RING AROMATIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE HAVING THE SAME - There are provided a condensed ring aromatic compound and an organic light-emitting device having an optical output with high efficiency and high luminance, and durability. An organic light-emitting device including: a pair of electrodes comprising an anode and a cathode of which at least one is transparent or translucent; and an organic compound layer disposed between the pair of electrodes, wherein the organic compound layer contains the condensed ring aromatic compound represented by the following formula [1].07-23-2009
20090278118BENZOFLUORANTHENE COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE USING THE COMPOUND - There are provided a novel benzofluoranthene compound and an organic light-emitting device which uses the benzofluoranthene compound, gives a blue emission hue with extremely good purity, and has an optical output with a high efficiency, a high luminance, and a long life. Specifically, there are provided a benzofluoranthene compound represented by the general formula shown below and an organic light-emitting device including a pair of electrodes including an anode and a cathode one of which is a transparent or translucent electrode material, and an organic compound layer disposed between the pair of electrodes and including a material for an organic light-emitting device containing the benzofluoranthene compound.11-12-2009
20100026171CONDENSED RING AROMATIC COMPOUND FOR ORGANIC LIGHT-EMITTING DEVICE AND ORGANIC LIGHT-EMITTING DEVICE HAVING THE SAME - 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]:02-04-2010
20100059739ORGANIC ELECTROLUMINESCENCE ELEMENT, IMAGE DISPLAY DEVICE, AND IMAGING APPARATUS - An organic electroluminescence element includes organic compound layers disposed between electrodes, the concentration of halogen atoms contained in organic compounds of the organic compound layers being 1 ppm or less according to combustion ion chromatography.03-11-2010
20100127618INDENOCHRYSENE DERIVATIVE AND ORGANIC LIGHT-EMITTING DEVICE USING SAME - There is provided an organic light-emitting device having an optical output with a high efficiency, a high luminance, and a long life. The organic light-emitting device includes an anode, a cathode, and a layer including an organic compound interposed between the anode and the cathode, in which either one of the anode and the cathode is formed of a transparent or translucent electrode material, and in which the layer includes at least one indenochrysene derivative represented by the general formula (1):05-27-2010
20110140595NOVEL CONDENSED RING AROMATIC COMPOUND AND ORGANIC LIGHT-EMITTING DEVICE HAVING THE SAME - There are provided a condensed ring aromatic compound and an organic light-emitting device having an optical output with high efficiency and high luminance, and durability. An organic light-emitting device including: a pair of electrodes comprising an anode and a cathode of which at least one is transparent or translucent; and an organic compound layer disposed between the pair of electrodes, wherein the organic compound layer contains the condensed ring aromatic compound represented by the following formula [1].06-16-2011
20110147731CONDENSED RING AROMATIC COMPOUND FOR ORGANIC LIGHT-EMITTING DEVICE AND ORGANIC LIGHT-EMITTING DEVICE HAVING THE SAME - 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]:06-23-2011

Patent applications by Hironobu Iwawaki, Yokohama-Shi JP