Patents by Inventor Kunihiro Matsuda
Kunihiro Matsuda has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20160358548Abstract: A thin film transistor array device includes row blocks each including selection rows, each selection row having at least one element circuit including a thin film transistor, and an element selection line, and a row block selection circuit including row block selection lines each corresponding to a respective one of the row blocks such that all the element selection lines in the respective one of the row blocks are parallelly connected to a respective one of the row block selection lines. The row block selection circuit applies, to the row block selection lines one by one, a selection level for selecting one row block from the row blocks from outside. The row block selection circuit further includes a switching circuit that switches between the element selection line and the row block selection line to change between a conduction state and a non-conduction state simultaneously for all the element selection lines.Type: ApplicationFiled: August 17, 2016Publication date: December 8, 2016Applicant: TOPPAN PRINTING CO., LTD.Inventor: Kunihiro MATSUDA
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Patent number: 8692458Abstract: A light emitting device includes: a light emitting element including a first electrode, a second electrode opposed to the first electrode, and a light emitting layer provided between the first electrode and the second electrode; a capacitor having a third electrode formed in a position overlapping the light emitting element and an insulating layer provided between the first and third electrodes; a first drive transistor disposed on a first side of the first electrode and having a gate electrode; and a second drive transistor disposed on a second side of the first electrode and having a gate electrode connected to the gate electrode of the first drive transistor via the third electrode.Type: GrantFiled: September 27, 2011Date of Patent: April 8, 2014Assignee: Casio Computer Co., Ltd.Inventors: Hiroshi Matsumoto, Kunihiro Matsuda
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Patent number: 8410482Abstract: Disclosed in a semiconductor device including a substrate, a first transistor, a second transistor, and a first source electrode and a first drain electrode of the first transistor are arranged along a first direction and a second source electrode and a second drain electrode of the second transistor are arranged in a reverse order of the first source electrode and the first drain electrode along the first direction, the first source electrode and the second source electrode are connected by a source connecting wiring, the first drain electrode and the second drain electrode are connected by a drain connecting wiring, a first gate electrode and a second gate electrode are connected by a gate connecting wiring and the source connecting wiring and the drain connecting wiring are provided at positions except a region overlapped with the first gate electrode, the second gate electrode and the gate connecting wiring.Type: GrantFiled: March 30, 2011Date of Patent: April 2, 2013Assignee: Casio Computer Co., Ltd.Inventors: Kunihiro Matsuda, Hiroshi Matsumoto, Yukikazu Tanaka
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Publication number: 20120074409Abstract: A light emitting device includes: a light emitting element including a first electrode, a second electrode opposed to the first electrode, and a light emitting layer provided between the first electrode and the second electrode; a capacitor having a third electrode formed in a position overlapping the light emitting element and an insulating layer provided between the first and third electrodes; a first drive transistor disposed on a first side of the first electrode and having a gate electrode; and a second drive transistor disposed on a second side of the first electrode and having a gate electrode connected to the gate electrode of the first drive transistor via the third electrode.Type: ApplicationFiled: September 27, 2011Publication date: March 29, 2012Applicant: CASIO COMPUTER CO., LTD.Inventors: Hiroshi MATSUMOTO, Kunihiro Matsuda
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Patent number: 8130355Abstract: A liquid crystal display device includes a first substrate having a common electrode thereon; a second substrate coupled to the first substrate, the second substrate having a connection electrode facing a portion of the common electrode on the first substrate, the connection electrode including a lower electrode made of metal, an insulating layer formed over the lower electrode and having a plurality of contact holes, and an upper electrode made of oxide conductor over the insulating layer, the upper electrode being electrically connected to the lower electrode via the plurality of contact holes; and a plurality of conductive gap members disposed between said portion of the common electrode and the upper electrode of the connection electrode to electrically connect said portion of the common electrode to the upper electrode of the connection electrode.Type: GrantFiled: September 26, 2008Date of Patent: March 6, 2012Assignee: Casio Computer Co., Ltd.Inventors: Kunihiro Matsuda, Norihisa Yamada
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Publication number: 20110241002Abstract: Disclosed in a semiconductor device including a substrate, a first transistor, a second transistor, and a first source electrode and a first drain electrode of the first transistor are arranged along a first direction and a second source electrode and a second drain electrode of the second transistor are arranged in a reverse order of the first source electrode and the first drain electrode along the first direction, the first source electrode and the second source electrode are connected by a source connecting wiring, the first drain electrode and the second drain electrode are connected by a drain connecting wiring, a first gate electrode and a second gate electrode are connected by a gate connecting wiring and the source connecting wiring and the drain connecting wiring are provided at positions except a region overlapped with the first gate electrode, the second gate electrode and the gate connecting wiring.Type: ApplicationFiled: March 30, 2011Publication date: October 6, 2011Applicant: CASIO COMPUTER CO., LTD.Inventors: Kunihiro MATSUDA, Hiroshi Matsumoto, Yukikazu Tanaka
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Publication number: 20110227081Abstract: A pixel circuit substrate includes: a pixel electrode; a first drive element connected to one side of the pixel electrode; a second drive element that is connected to the first drive element in parallel and also is connected to the other side opposite to the one side of the pixel electrode.Type: ApplicationFiled: March 14, 2011Publication date: September 22, 2011Applicant: CASIO COMPUTER CO., LTD.Inventors: Kunihiro MATSUDA, Hiroshi Matsumoto, Yukikazu Tanaka
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Publication number: 20100066966Abstract: A liquid crystal display device includes a first substrate having a common electrode thereon; a second substrate coupled to the first substrate, the second substrate having a connection electrode facing a portion of the common electrode on the first substrate, the connection electrode including a lower electrode made of metal, an insulating layer formed over the lower electrode and having a plurality of contact holes, and an upper electrode made of oxide conductor over the insulating layer, the upper electrode being electrically connected to the lower electrode via the plurality of contact holes; and a plurality of conductive gap members disposed between said portion of the common electrode and the upper electrode of the connection electrode to electrically connect said portion of the common electrode to the upper electrode of the connection electrode.Type: ApplicationFiled: September 26, 2008Publication date: March 18, 2010Inventors: Kunihiro MATSUDA, Norihisa Yamada
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Patent number: 5733420Abstract: Arranged in a series are an electrolyte tank capable of holding one of a number of substrates, each substrate having a conducting film thereon, and a cathode so that the cathode and substrate face each other in an electrolyte, an anodizing chamber for anodizing the substrate, a pretreatment chamber for calcining a photoresist mask put on part of the conducting film, and a post-treatment chamber for washing and drying the anodized substrate. A substrate transportation mechanism is provided for serially transporting the substrates one by one from the pretreatment chamber to the post-treatment chamber via the anodizing chamber. In the anodizing chamber described above, a formation voltage is increased to a value such that an oxide film with a desired thickness is formed so that the value of a current flowing through an aluminum alloy film as the conducting film is kept constant with the current density ranging from 3.0 mA/cm.sup.2 to 15.0 mA/cm.sup.2.Type: GrantFiled: August 8, 1996Date of Patent: March 31, 1998Assignee: Casio Computer Co., Ltd.Inventors: Kunihiro Matsuda, Hisatoshi Mori
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Patent number: 5441618Abstract: Arranged in a series are an electrolyte tank capable of holding one of a number of substrates, each substrate having a conducting film thereon, and a cathode so that the cathode and substrate face each other in an electrolyte, an anodizing chamber for anodizing the substrate, a pretreatment chamber for calcining a photoresist mask put on part of the conducting film, and a post-treatment chamber for washing and drying the anodized substrate. A substrate transportation mechanism is provided for serially transporting the substrates one by one from the pretreatment chamber to the post-treatment chamber via the anodizing chamber. In the anodizing chamber described above, a formation voltage is increased to a value such that an oxide film with a desired thickness is formed so that the value of a current flowing through an aluminum alloy film as the conducting film is kept constant with the current density ranging from 3.0 mA/cm.sup.2 to 15.0 mA/cm.sup.2.Type: GrantFiled: November 2, 1993Date of Patent: August 15, 1995Assignee: Casio Computer Co., Ltd.Inventors: Kunihiro Matsuda, Hisatoshi Mori
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Patent number: 5367179Abstract: A thin-film transistor comprises a gate electrode formed on an insulating substrate, a gate insulating film covering the gate electrode and the insulating substrate, an i-type semiconductor layer formed on the gate insulating film, and a source electrode and a drain electrode electrically connected to two ends of the i-type semiconductor layer, respectively. The gate electrode is made of aluminum alloy containing high-melting-point metal such as Ti and Ta and oxygen or nitrogen or both.Type: GrantFiled: November 12, 1992Date of Patent: November 22, 1994Assignee: Casio Computer Co., Ltd.Inventors: Hisatoshi Mori, Syunichi Sato, Naohiro Konya, Ichiro Ohno, Hiromitsu Ishii, Kunihiro Matsuda, Junji Shiota
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Patent number: 5352907Abstract: A thin-film transistor includes a gate electrode and a semiconductor film consisting of amorphous silicon, formed on an insulating substrate to oppose each other through a gate insulating film, ohmic contact layers composed of n-type amorphous silicon doped with an impurity, electrically insulated from each other on the semiconductor film, and electrically connected to the semiconductor film, and source and drain electrodes arranged on the semiconductor film with a predetermined gap to form a channel portion, and electrically connected to the semiconductor film through the ohmic contact layers. The gate electrode and a portion surrounding the gate electrode are entirely formed into a continuous metal oxide film by a chemical reaction.Type: GrantFiled: March 24, 1992Date of Patent: October 4, 1994Assignee: Casio Computer Co., Ltd.Inventors: Kunihiro Matsuda, Hiromitsu Ishii, Naohiro Konya
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Patent number: 5334859Abstract: A thin-film transistor panel comprises an insulative substrate, a plurality of thin-film transistor elements arranged at predetermined intervals on said substrate, and wirings electrically connecting the thin-film transistor elements characterized in that the thin-film transistor element comprises a gate electrode, a gate-insulating film, an i-type semiconductor layer to face the gate electrode through the gate insulating film therebetween, an n-type semiconductor layer, source and drain electrodes electrically connected the portions of the i-type semiconductor layer through the n-type semiconductor layer, and an anodically oxidized film located between the source and drain electrodes to electrically isolate, said source and drain electrodes.Type: GrantFiled: September 2, 1992Date of Patent: August 2, 1994Assignee: Casio Computer Co., Ltd.Inventor: Kunihiro Matsuda
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Patent number: 5243202Abstract: A thin-film transistor comprises a gate electrode formed on a glass substrate, a gate insulating film formed essentially over an entire surface of the substrate to cover the gate electrode, a non-single-crystal silicon semiconductor film placed on the gate insulating film to cover the gate electrode; and a drain electrode and a source electrode spaced a specified distance apart on the semiconductor film and electrically connected to the semiconductor film so as to form the channel region of the transistor. The gate electrode is made of titanium-containing aluminum.Type: GrantFiled: January 12, 1993Date of Patent: September 7, 1993Assignee: Casio Computer Co., Ltd.Inventors: Hisatoshi Mori, Syunichi Sato, Naohiro Konya, Ichiro Ohno, Hiromitsu Ishii, Kunihiro Matsuda