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Akira Imai, Kanagawa JP

Akira Imai, Kanagawa JP

Patent application numberDescriptionPublished
20080238832ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - The invention provides an organic electroluminescent device having at least an anode and a cathode forming a pair of electrodes. At least one electrode being transparent or translucent, and a buffer layer and an organic compound layer is disposed between the anode and the cathode. The organic compound layer has one or more layers including at least a light-emitting layer. At least one of the layers of the organic compound layer comprising at least one specific charge-transporting polyether. At least one of the layers having the charge-transporting polyether is provided in contact with the buffer layer. The buffer layer is provided in contact with the anode and has at least one charge injection material selected from the group consisting of an inorganic oxide, an inorganic nitride, and an inorganic oxynitride. The invention further provides a display device using the organic electroluminescent device.10-02-2008
20080311425ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY DEVICE - The invention provides an organic electroluminescent device having an electrode pair of an anode and a cathode, at least one of which is transparent or translucent, and an organic compound layer disposed between the anode and the cathode, the organic compound layer having two or more layers including a buffer layer and a light-emitting layer. At least one of the layers of the organic compound layer has a specific charge-transporting polyether. The buffer layer is provided in contact with the anode and having at least a crosslinked compound formed by using at least one charge injection material having a specific substituted silicon group. The invention further provides a display device having at least a substrate, plural organic electroluminescent devices disposed on the substrate in a matrix form, and a driving unit to drive the organic electroluminescent devices, each of the plural organic electroluminescent devices is the organic electroluminescent device.12-18-2008
20090001876Organic electroluminescent device and display device - An organic electroluminescent device, having an organic compound layer including two or more layers including at least a buffer layer and an emitting layer, wherein at least one of the organic compound layers other than the buffer layer contains at least one charge-transporting polyester represented by Formula (I-1) or (I-2), and the buffer layer is formed in contact with an anode and contains a crosslinked compound formed by using at least one charge injection material containing a substituted silicon group and represented by Formula (III).01-01-2009
20090039774ORGANIC ELECTROLUMINESCENCE ELEMENT AND DISPLAY DEVICE - An organic electroluminescence element includes a pair of electrodes composed of an anode and a cathode, at least one of which is transparent or semitransparent, and one or more organic compound layers disposed between the pair of electrodes, wherein at least one of the organic compound layers comprises at least one charge-transporting polyester consisting of repeating units containing, as a partial structure, at least one structure represented by the following formula (I-1).02-12-2009
20100073280PARTICLE FOR DISPLAY, PARTICLE DISPERSION LIQUID FOR DISPLAY, DISPLAY MEDIUM, AND DISPLAY DEVICE - A particle for a display includes a colored particle containing a colorant and a polymer having a chargeable group; and a polymer gel layer that covers a surface of the colored particle and contains a polymer gel.03-25-2010
20100073281DISPLAY MEDIUM AND DISPLAY DEVICE - A display medium includes: a pair of substrates having electrodes and disposed to form a space therebetween, at least one of the substrates transmitting light; a dispersion medium enclosed between the substrates; a group of particles that is dispersed in the dispersion medium and that moves in the dispersion medium according to an electric field applied between the substrates; and a treatment layer provided on at least one of surfaces of the substrates that oppose each other, the treatment layer being formed by treating the at least one of surfaces of the substrates that oppose each other with a polymer compound having a silicone chain.03-25-2010
20100133995Novel thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium - An organic electroluminescent device with a pair of electrodes having an anode and a cathode, and one or more organic compound layers disposed therebetween. One of the anode or the cathode is transparent or semitransparent. One of the organic compound layers includes a charge-transporting polyester having a repeating structure containing at least one structure selected from the structures represented by the following formulae as a partial structure:06-03-2010
20100137553Novel thiophene-containing compound and thiophene-containing compound polymer, organic electroluminescent device, production method thereof, and image display medium - A thiophene-containing compound polymer represented by06-03-2010
20100137611THIAZOLOTHIAZOLE DERIVATIVE - A thiazolothiazole derivative is represented by the following Formula (I). In Formula (I), each R06-03-2010
20100197942NOVEL FLUORENE COMPOUND - A fluorene compound is provided, which is represented by the following Formula (I):08-05-2010
20100234595NITROGEN-CONTAINING HETEROCYCLIC COMPOUND - A nitrogen-containing heterocyclic compound is represented by Formula (I): wherein R09-16-2010
20100237332ORGANIC SEMICONDUCTOR TRANSISTOR - An organic semiconductor transistor has plural electrodes and an organic semiconductor layer including at least one compound represented by the following Formula (I). In Formula (I), each R is independently a hydrogen atom or an alkyl group; and n and m are each independently an integer of from 1 to 3.09-23-2010
20100243995ORGANIC SEMICONDUCTOR TRANSISTOR, METHOD OF PRODUCING THE SAME, AND ELECTRONIC DEVICE - An organic semiconductor transistor has plural electrodes and an organic semiconductor layer containing at least one compound represented by the following Formula (I). In Formula (I), each R09-30-2010
20100276672ORGANIC ELECTROLUMINESCENT DEVICE AND DISPLAY MEDIUM - An organic electroluminescent device includes: a pair of electrodes including a positive electrode and a negative electrode, at least one of the electrodes being transparent or semi-transparent; and an organic compound layer including one or more layers interposed between the pair of electrodes, at least one layer included in the organic compound layer containing one or more compounds represented by the following formula (I):11-04-2010

Patent applications by Akira Imai, Kanagawa JP