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Hiroaki Nakamura, Chiba JP

Hiroaki Nakamura, Chiba JP

Patent application numberDescriptionPublished
20090256145ORGANIC THIN FILM TRANSISTOR AND ORGANIC THIN FILM LIGHT-EMITTING TRANSISTOR - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having a divalent aromatic hydrocarbon group having a phenanthrene structure in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.10-15-2009
20100012929ORGANIC THIN FILM TRANSISTOR DEVICE AND ORGANIC THIN FILM LIGHT-EMITTING TRANSISTOR - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a compound having a specified structure; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed (driving speed) and has a large ON/OFF ratio, are provided.01-21-2010
20100019234ORGANIC THIN FILM TRANSISTOR AND ORGANIC THIN FILM LIGHT EMITTING TRANSISTOR - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an aromatic heterocyclic group in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.01-28-2010
20100025670Organic Thin Film Transistor and Organic Thin Film Light Emitting Transistor - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an aromatic heterocyclic group in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.02-04-2010
20100051918ORGANIC THIN FILM TRANSISTOR AND ORGANIC THIN FILM LIGHT-EMITTING TRANSISTOR - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an acetylene or olefin structure in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.03-04-2010
20100051919ORGANIC THIN FILM TRANSISTOR AND ORGANIC THIN FILM LIGHT-EMITTING TRANSISTOR - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an aromatic hydrocarbon group or an aromatic heterocyclic group in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.03-04-2010
20100187514ORGANIC THIN FILM TRANSISTOR AND ORGANIC THIN FILM LIGHT- EMITTING TRANSISTOR - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the foregoing organic semiconductor layer includes a specified organic compound having an aromatic hydrocarbon group or an aromatic heterocyclic group and an acetylene structure in the center thereof; an organic thin film light emitting transistor in which in the organic thin film transistor, light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode; an organic thin film transistor which is made high with respect to the response speed and has a large ON/OFF ratio by a compound suitable therefor; and an organic film light emitting transistor utilizing it, and a compound suitable therefor, are provided.07-29-2010
20100243993ORGANIC THIN FILM TRANSISTOR AND ORGANIC THIN FILM LIGHT-EMITTING TRANSISTOR - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon application of a voltage to the gate electrode, wherein the organic semiconductor layer includes a specified organic compound having an aromatic heterocyclic group in the center thereof; and an organic thin film light emitting transistor utilizing an organic thin film transistor, wherein the organic thin film transistor is one in which light emission is obtained utilizing a current flowing between the source and the drain, and the light emission is controlled upon application of a voltage to the gate electrode, and is made high with respect to the response speed and has a large ON/OFF ratio, are provided.09-30-2010
20100283041ORGANIC THIN FILM TRANSISTOR - An organic thin film transistor including a substrate having thereon at least three terminals of a gate electrode, a source electrode and a drain electrode, an insulator layer and an organic semiconductor layer, with a current between a source and a drain being controlled upon applying a voltage to the gate electrode, wherein a channel control layer including an amorphous organic compound having an ionization potential of less than 5.8 eV is provided between the organic semiconductor layer and the insulator layer, has excellent stability of a field-effect mobility and a high response speed even when stored at a high temperature.11-11-2010
20110031487COMPOUND FOR ORGANIC THIN-FILM TRANSISTOR AND ORGANIC THIN-FILM TRANSISTOR USING THE COMPOUND - A compound for an organic thin film transistor having a structure shown by the following formula (1):02-10-2011
20110031488COMPOUND FOR ORGANIC THIN-FILM TRANSISTOR AND ORGANIC THIN-FILM TRANSISTOR USING THE COMPOUND - A compound for an organic thin film transistor having a structure shown by the following formula (1):02-10-2011
20110084261ORGANIC THIN-FILM TRANSISTOR - A bottom-contact type organic thin film transistor comprising at least a gate electrode, an insulator layer, a source electrode, a drain electrode and an organic semiconductor layer, on a substrate, wherein at least one of the source electrode and the drain electrode has a multilayer structure formed by stacking an oxide layer and a metal layer, and the metal layer is surface-modified with an organic thin film layer.04-14-2011

Patent applications by Hiroaki Nakamura, Chiba JP