Patents by Inventor Satoshi Teramoto
Satoshi Teramoto 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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Patent number: 7335950Abstract: To provide a thin film transistor having a low OFF characteristic and to provide P-channel type and N-channel type thin film transistors where a difference in characteristics of the P-channel type and the N-channel type thin film transistors is corrected, a region 145 having a P-type behavior more potential than that of a drain region 146 is arranged between a channel forming region 134 and the drain region 146 in the P-channel type thin film transistor whereby the P-channel type thin film transistor having the low OFF characteristic can be provided and a low concentration impurity region 136 is arranged between a channel forming region 137 and a drain region 127 in the N-channel type thin film transistor whereby the N-channel type thin film transistor having the low OFF characteristic and where deterioration is restrained can be provided.Type: GrantFiled: October 8, 2004Date of Patent: February 26, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hongyong Zhang, Satoshi Teramoto
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Patent number: 7333160Abstract: An electronic device having an active matrix liquid crystal device comprising a sealing layer with a region overlapping an insulating film formed over another insulating film, which extends beyond said insulating film and forms on a peripheral switching device, a region in contact with said another insulating film, and a region where said second insulating film is not formed over said another insulating film.Type: GrantFiled: June 9, 2003Date of Patent: February 19, 2008Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hongyong Zhang, Shunpei Yamazaki, Satoshi Teramoto, Yoshiharu Hirakata
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Publication number: 20080020518Abstract: A laminated spacer portion formed by laminating various thin films that constitute thin-film transistors is disposed in peripheral driver circuits. As a result, even in a structure in which part of a sealing member is disposed above the peripheral driver circuits, pressure exerted from spacers in the sealing member is concentrated on the laminated spacer portion, whereby destruction of a thin-film transistor of the peripheral driver circuits can be prevented caused by the pressure from the sealing portion.Type: ApplicationFiled: July 24, 2007Publication date: January 24, 2008Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Hongyong Zhang, Satoshi Teramoto
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Publication number: 20070279319Abstract: In a structure in which six active matrix regions 103 to 108 are integrated on one glass substrate, horizontal scanning control circuits 101 and 102 are commonly disposed for the respective active matrix regions 103 to 105 and 106 to 108. Then the horizontal scanning control circuits 101 and 102 are operated at different timings, and images formed by the active matrix regions 103 to 105 and 106 to 108 are synthesized and projected. With this operation, the horizontal scanning frequency required for one horizontal scanning control circuit can be made half of the horizontal scanning frequency of the display screen.Type: ApplicationFiled: October 16, 2006Publication date: December 6, 2007Applicant: Semiconductor Energy Laboratory Co., LtdInventors: Shunpei Yamazaki, Yoshiharu Hirakata, Jun Koyama, Satoshi Teramoto
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Patent number: 7301209Abstract: A thin film transistor of the present invention has an active layer including at least source, drain and channel regions formed on an insulating surface. A high resistivity region is formed between the channel region and each of the source and drain regions. A film capable of trapping positive charges therein is provided on at least the high resistivity region so that N-type conductivity is induced in the high resistivity region. Accordingly, the reliability of N-channel type TFT against hot electrons can be improved.Type: GrantFiled: December 7, 2006Date of Patent: November 27, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yasuhiko Takemura, Satoshi Teramoto
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Patent number: 7298447Abstract: A laminated spacer portion formed by laminating various thin films that constitute thin-film transistors is disposed in peripheral driver circuits. As a result, even in a structure in which part of a sealing member is disposed above the peripheral driver circuits, pressure exerted from spacers in the sealing member is concentrated on the laminated spacer portion, whereby destruction of a thin-film transistor of the peripheral driver circuits can be prevented caused by the pressure from the sealing portion.Type: GrantFiled: April 13, 2000Date of Patent: November 20, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hongyong Zhang, Satoshi Teramoto
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Patent number: 7298021Abstract: An electronic device is provided using wiring comprising aluminum to prevent hillock or whisker from generating, wherein the wiring contains oxygen atoms at a concentration of 8×1018 atoms·cm?3 or less, carbon atoms at a concentration of 5×1018 atoms·cm?3 or less, and nitrogen atoms at a concentration of 7×1017 atoms·cm?3 or less; furthermore, a silicon nitride film is formed on the aluminum gate, and an anodic oxide film is formed on the side planes thereof.Type: GrantFiled: June 2, 2005Date of Patent: November 20, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Satoshi Teramoto
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Patent number: 7271082Abstract: A substrate processing apparatus includes a plurality of evacuable treatment chambers connected to one another via an evacuable common chamber, and the common chamber is provided with means for transporting a substrate between each treatment chamber. More specifically, a substrate processing apparatus includes a plurality of evacuable treatment chambers, at least one of said treatment chambers having a film formation function through a vapor phase reaction therein, at least one of said treatment chambers having an annealing function with light irradiation and at least one of said treatment chambers having a heating function therein. The apparatus also has a common chamber through which said plurality of evacuable treatment chambers are connected to one another, and a transportation means provided in said common chamber for transporting a substrate between each treatment chamber.Type: GrantFiled: June 7, 2002Date of Patent: September 18, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Hisashi Ohtani, Hiroyuki Shimada, Mitsunori Sakama, Hisashi Abe, Satoshi Teramoto
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Publication number: 20070173046Abstract: A substrate processing apparatus includes a plurality of evacuable treatment chambers connected to one another via an evacuable common chamber, and the common chamber is provided with means for transporting a substrate between each treatment chamber. More specifically, a substrate processing apparatus includes a plurality of evacuable treatment chambers, at least one of said treatment chambers having a film formation function through a vapor phase reaction therein, at least one of said treatment chambers having an annealing function with light irradiation and at least one of said treatment chambers having a heating function therein. The apparatus also has a common chamber through which said plurality of evacuable treatment chambers are connected to one another, and a transportation means provided in said common chamber for transporting a substrate between each treatment chamber.Type: ApplicationFiled: March 26, 2007Publication date: July 26, 2007Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Hisashi Ohtani, Hiroyuki Shimada, Mitsunori Sakama, Hisashi Abe, Satoshi Teramoto
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Patent number: 7229861Abstract: In producing a thin film transistor, after an amorphous silicon film is formed on a substrate, a nickel silicide layer is formed by spin coating with a solution (nickel acetate solution) containing nickel as the metal element which accelerates (promotes) the crystallization of silicon and by heat treating. The nickel silicide layer is selectively patterned to form island-like nickel silicide layer. The amorphous silicon film is patterned. A laser light is irradiated while moving the laser, so that crystal growth occurs from the region in which the nickel silicide layer is formed and a region equivalent to a single crystal (a monodomain region) is obtained.Type: GrantFiled: November 6, 2002Date of Patent: June 12, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Setsuo Nakajima, Shunpei Yamazaki, Naoto Kusumoto, Satoshi Teramoto
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Publication number: 20070126986Abstract: An image display system comprises a first liquid crystal projector which projects a counterclockwise-rotating, circularly polarized light beam to form an image containing specific visual information on a screen and a second liquid crystal projector which projects a clockwise-rotating, circularly polarized light beam to form a white image on the same screen. When viewed with the naked eye, a combination of the two images projected on the screen appears totally white. A viewer wearing a dedicated viewing device equipped with an optical filter which allows counterclockwise-rotating, circularly polarized light to pass through can selectively see the image projected by the first liquid crystal projector.Type: ApplicationFiled: February 1, 2007Publication date: June 7, 2007Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Jun Koyama, Satoshi Teramoto
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Publication number: 20070119437Abstract: Using a gas detection voltage Vs output from a terminal CU, a determination is made at to whether, after startup of an air-fuel ratio detection apparatus (1), a full-range air-fuel ratio sensor (10) has reached a semi-activated state in which a determination can be made as to whether the air-fuel ratio is on the rich or lean side based on a change in a gas detection signal Vic. After determining that the sensor has reached the semi-activated state, the signal Vic is compared with a threshold to determine whether the air-fuel ratio is on the rich or lean side. In the apparatus (1), the potential difference between an outer pump electrode of a pump cell (14) and a reference electrode of an oxygen concentration measurement cell (24) is obtained via a first differential amplification circuit (53) as the gas detection signal Vic, the signal Vic being highly responsive to a change in air-fuel ratio of exhaust gas.Type: ApplicationFiled: November 27, 2006Publication date: May 31, 2007Inventors: Masamichi Hiraiwa, Takeshi Kawai, Satoshi Teramoto, Shigeki Mori, Hiroshi Inagaki
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Patent number: 7215402Abstract: A display device includes a pair of substrates sandwiching a liquid crystal with a thin film transistor formed over one of the pair of substrates and a sealing material formed between the pair of substrates for sealing the liquid crystal. The thin film transistor includes a semiconductor layer and a gate electrode between which is interposed a gate insulating film, an inorganic insulating film formed over at least the gate insulating film, an orientation film formed over the inorganic insulating film. The sealing material has a first region in contact with the orientation film and a second region in contact with the inorganic insulating film.Type: GrantFiled: January 8, 2004Date of Patent: May 8, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Hongyong Zhang, Shunpei Yamazaki, Satoshi Teramoto, Yoshiharu Hirakata
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Publication number: 20070096224Abstract: A thin film transistor of the present invention has an active layer including at least source, drain and channel regions formed on an insulating surface. A high resistivity region is formed between the channel region and each of the source and drain regions. A film capable of trapping positive charges therein is provided on at least the high resistivity region so that N-type conductivity is induced in the high resistivity region. Accordingly, the reliability of N-channel type TFT against hot electrons can be improved.Type: ApplicationFiled: December 7, 2006Publication date: May 3, 2007Applicant: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yasuhiko Takemura, Satoshi Teramoto
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Publication number: 20070085964Abstract: A display device includes a pair of substrates sandwiching a liquid crystal with a thin film transistor formed over one of the pair of substrates and a sealing material formed between the pair of substrates for sealing the liquid crystal. The thin film transistor includes a semiconductor layer and a gate electrode between which is interposed a gate insulating film, an inorganic insulating film formed over at least the gate insulating film, an orientation film formed over the inorganic insulating film. The sealing material has a first region in contact with the orientation film and a second region in contact with the inorganic insulating film.Type: ApplicationFiled: October 5, 2006Publication date: April 19, 2007Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.Inventors: Hongyong Zhang, Shunpei Yamazaki, Satoshi Teramoto, Yoshiharu Hirakata
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Patent number: 7187420Abstract: An image display system comprises a first liquid crystal projector which projects a counterclockwise-rotating, circularly polarized light beam to form an image containing specific visual information on a screen and a second liquid crystal projector which projects a clockwise-rotating, circularly polarized light beam to form a white image on the same screen. When viewed with the naked eye, a combination of the two images projected on the screen appears totally white. A viewer wearing a dedicated viewing device equipped with an optical filter which allows counterclockwise-rotating, circularly polarized light to pass through can selectively see the image projected by the first liquid crystal projector.Type: GrantFiled: August 5, 2003Date of Patent: March 6, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Yoshiharu Hirakata, Jun Koyama, Satoshi Teramoto
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Patent number: 7173282Abstract: Nickel is selectively held in contact with a particular region of an amorphous silicon film. Crystal growth parallel with a substrate is effected by performing a heat treatment. A thermal oxidation film is formed by performing a heat treatment in an oxidizing atmosphere containing a halogen element. During this step, the crystallinity is improved and the gettering of nickel elements proceeds. A thin-film transistor is formed so that the direction connecting source and drain regions coincides with the above crystal growth direction. As a result, a TFT having superior characteristics such as a mobility larger than 200 cm2/Vs and an S value smaller than 100 mV/dec. can be obtained.Type: GrantFiled: June 1, 2004Date of Patent: February 6, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Satoshi Teramoto, Jun Koyama, Yasushi Ogata, Masahiko Hayakawa, Mitsuaki Osame, Hisashi Ohtani, Toshiji Hamatani
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Patent number: 7170138Abstract: A thin film transistor of the present invention has an active layer including at least source, drain and channel regions formed on an insulating surface. A high resistivity region is formed between the channel region and each of the source and drain regions. A film capable of trapping positive charges therein is provided on at least the high resistivity region so that N-type conductivity is induced in the high resistivity region. Accordingly, the reliability of N-channel type TFT against hot electrons can be improved.Type: GrantFiled: September 8, 2004Date of Patent: January 30, 2007Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yasuhiko Takemura, Satoshi Teramoto
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Publication number: 20070007529Abstract: A thin film transistor device reduced substantially in resistance between the source and the drain by incorporating a silicide film, which is fabricated by a process comprising forming a gate insulator film and a gate contact on a silicon substrate, anodically oxidizing the gate contact, covering an exposed surface of the silicon semiconductor with a metal, and irradiating an intense light such as a laser beam to the metal film either from the upper side or from an insulator substrate side to allow the metal coating to react with silicon to obtain a silicide film. The metal silicide layer may be obtained otherwise by tightly adhering a metal coating to the exposed source and drain regions using an insulator formed into an approximately triangular shape, preferably 1 ?m or less in width, and allowing the metal to react with silicon. A high performance TFT can be realized.Type: ApplicationFiled: September 18, 2006Publication date: January 11, 2007Applicant: SEMICONDUCTOR ENERGY LABORATORY LTD.Inventors: Yasuhiko Takemura, Hongyong Zhang, Satoshi Teramoto
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Patent number: 7154148Abstract: There is disclosed a hybrid circuit in which a circuit formed by TFTs is integrated with an RF filter. The TFTs are fabricated on a quartz substrate. A ceramic filter forming the RF filter is fabricated on another substrate. Terminals extend through the quartz substrate. The TFTs are connected with the ceramic filter via the terminals. Thus, an RF module is constructed.Type: GrantFiled: March 15, 2004Date of Patent: December 26, 2006Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Satoshi Teramoto