Patents by Inventor Toshiji Hamatani

Toshiji Hamatani 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).

  • Publication number: 20120021592
    Abstract: There is proposed an apparatus for doping a material to be doped by generating plasma (ions) and accelerating it by a high voltage to form an ion current is proposed, which is particularly suitable for processing a substrate having a large area. The ion current is formed to have a linear sectional configuration, and doping is performed by moving a material to be doped in a direction substantially perpendicular to the longitudinal direction of a section of the ion current.
    Type: Application
    Filed: August 12, 2011
    Publication date: January 26, 2012
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Shunpei Yamazaki, Toshiji Hamatani, Koichiro Tanaka
  • Patent number: 8071981
    Abstract: The invention primarily provides gate electrodes and gate wirings permitting large-sized screens for active matrix-type display devices, wherein, in order to achieve this object, the construction of the invention is a semiconductor device having, on the same substrate, a pixel TFT provided in a display region and a driver circuit TFT provided around the display region, wherein the gate electrodes of the pixel TFT and the driver circuit TFT are formed from a first conductive layer, the gate electrodes are in electrical contact through connectors with gate wirings formed from a second conductive layer, and the connectors are provided outside the channel-forming regions of the pixel TFT and the driver circuit TFT.
    Type: Grant
    Filed: July 19, 2010
    Date of Patent: December 6, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Jun Koyama, Toru Takayama, Toshiji Hamatani
  • Publication number: 20110266548
    Abstract: A light emitting device having high definition, a high aperture ratio, and high reliability is provided. The present invention achieves high definition and a high aperture ratio with a full color flat panel display using red, green, and blue color emission light by intentionally forming laminate portions, wherein portions of different organic compound layers of adjacent light emitting elements overlap with each other, without depending upon the method of forming the organic compound layers or the film formation precision.
    Type: Application
    Filed: July 7, 2011
    Publication date: November 3, 2011
    Inventors: Shunpei Yamazaki, Toshiji Hamatani, Toru Takayama
  • Patent number: 8003958
    Abstract: There is proposed an apparatus for doping a material to be doped by generating plasma (ions) and accelerating it by a high voltage to form an ion current is proposed, which is particularly suitable for processing a substrate having a large area. The ion current is formed to have a linear sectional configuration, and doping is performed by moving a material to be doped in a direction substantially perpendicular to the longitudinal direction of a section of the ion current.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: August 23, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Toshiji Hamatani, Koichiro Tanaka
  • Patent number: 7982206
    Abstract: A light emitting device having high definition, a high aperture ratio, and high reliability is provided. The present invention achieves high definition and a high aperture ratio with a full color flat panel display using red, green, and blue color emission light by intentionally forming laminate portions, wherein portions of different organic compound layers of adjacent light emitting elements overlap with each other, without depending upon the method of forming the organic compound layers or the film formation precision.
    Type: Grant
    Filed: May 12, 2010
    Date of Patent: July 19, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Toshiji Hamatani, Toru Takayama
  • Patent number: 7960296
    Abstract: A spin addition method for catalyst elements is simple and very important technique, because the minimum amount of a catalyst element necessary for crystallization can be easily added by controlling the catalyst element concentration within a catalyst element solution, but there is a problem in that uniformity in the amount of added catalyst element within a substrate is poor. The non-uniformity in the amount of added catalyst element within the substrate is thought to influence fluctuation in crystallinity of a crystalline semiconductor film that has undergone thermal crystallization, and exert a bad influence on the electrical characteristics of TFTs finally structured by the crystalline semiconductor film. The present invention solves this problem with the aforementioned conventional technique.
    Type: Grant
    Filed: November 12, 2008
    Date of Patent: June 14, 2011
    Assignees: Semiconductor Energy Laboratory Co., Ltd., Sharp Kabushiki Kaisha
    Inventors: Misako Nakazawa, Toshiji Hamatani, Naoki Makita
  • Publication number: 20110090656
    Abstract: A method for manufacturing an electronic device comprising a terminal provided with a conductor which penetrates a cured prepreg is provided. At least one opening is formed in the prepreg. The prepreg is attached to a substrate over which an electronic element is formed so that the conductor included in the terminal overlaps with the opening. A conductive paste is provided in a region of the prepreg where the opening is provided. Part of the conductive paste flows into the opening to be in contact with the conductor included in the terminal. Then, heat treatment is performed so that the conductive paste and the prepreg are cured. In the process for manufacturing the terminal, it is not necessary to perform a step of forming an opening with a laser beam after the prepreg is cured. Thus, an adverse effect of a laser beam on the electronic element can be eliminated.
    Type: Application
    Filed: October 20, 2010
    Publication date: April 21, 2011
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Toshiji HAMATANI, Tomoyuki AOKI, Hiroki ADACHI, Hiroyuki YAJIMA
  • Publication number: 20110030212
    Abstract: To provide a method for forming an opening with high accuracy in an insulating film obtained by curing a prepreg including a reinforcing material in a step of exposing a terminal portion sealed with the insulating film, with the use of a means other than laser beam irradiation. A protrusion is formed using a conductor. An uncured prepreg including a reinforcing material is closely attached to the protrusion and the prepreg is cured, so that an insulating film including the reinforcing material is formed. A portion of a top surface of the insulating film protrudes due to the protrusion. The protruding portion is preferentially removed together with the reinforcing material to form an opening in the insulating film by grinding treatment or the like, so that an opening which exposes the protrusion is formed in the insulating film.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 10, 2011
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Toshiji HAMATANI, Takahiro FUKUTOME
  • Publication number: 20110032684
    Abstract: A conductor having a projecting portion is formed which forms a terminal portion. An uncured prepreg including a reinforcing material is closely attached to the conductor and the prepreg is cured to form an insulating film including the reinforcing material. When the prepreg is closely attached, the prepreg is stretched by the projecting portion, so that a region of the prepreg, which is closely attached to the conductor, can be thinner than the other region of the prepreg. Then, by reducing the thickness of the entire insulating film, an opening can be formed in the portion having a smaller thickness. The step of reducing the thickness can be performed by etching. Further, it is preferable not to remove the reinforcing material in this step. The strength of a terminal and an electronic device can be increased by leaving the reinforcing material at the opening.
    Type: Application
    Filed: August 5, 2010
    Publication date: February 10, 2011
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Toshiji HAMATANI, Hiroki ADACHI
  • Publication number: 20110012119
    Abstract: The invention primarily provides gate electrodes and gate wirings permitting large-sized screens for active matrix-type display devices, wherein, in order to achieve this object, the construction of the invention is a semiconductor device having, on the same substrate, a pixel TFT provided in a display region and a driver circuit TFT provided around the display region, wherein the gate electrodes of the pixel TFT and the driver circuit TFT are formed from a first conductive layer, the gate electrodes are in electrical contact through connectors with gate wirings formed from a second conductive layer, and the connectors are provided outside the channel-forming regions of the pixel TFT and the driver circuit
    Type: Application
    Filed: July 19, 2010
    Publication date: January 20, 2011
    Inventors: Shunpei YAMAZAKI, Jun KOYAMA, Toru TAKAYAMA, Toshiji HAMATANI
  • Patent number: 7863622
    Abstract: An active layer of an NTFT includes a channel forming region, at least a first impurity region, at least a second impurity region and at least a third impurity region therein. Concentrations of an impurity in each of the first, second and third impurity regions increase as distances from the channel forming region become longer. The first impurity region is formed to be overlapped with a side wall. A gate overlapping structure can be realized with the side wall functioning as an electrode.
    Type: Grant
    Filed: July 25, 2008
    Date of Patent: January 4, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Hisashi Ohtani, Toshiji Hamatani
  • Patent number: 7864151
    Abstract: A thin, readily portable book has a memory-type liquid crystal display in the display section of the thin portable book so as to obtain low power consumption along with compact size and reduced weight, a solar cell and a charging device in the energy section of the thin portable book, so that low power consumption is further promoted, a freely detachable cassette-type or card-type non-volatile semiconductor memory in the recording medium section of the thin portable book so as to provide further savings in power consumption.
    Type: Grant
    Filed: January 21, 1992
    Date of Patent: January 4, 2011
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Toshiji Hamatani
  • Patent number: 7855380
    Abstract: The invention primarily provides gate electrodes and gate wirings permitting large-sized screens for active matrix-type display devices, wherein, in order to achieve this object, the construction of the invention is a semiconductor device having, on the same substrate, a pixel TFT provided in a display region and a driver circuit TFT provided around the display region, wherein the gate electrodes of the pixel TFT and the driver circuit TFT are formed from a first conductive layer, the gate electrodes are in electrical contact through connectors with gate wirings formed from a second conductive layer, and the connectors are provided outside the channel-forming regions of the pixel TFT and the driver circuit TFT.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: December 21, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Jun Koyama, Toru Takayama, Toshiji Hamatani
  • Publication number: 20100295052
    Abstract: A light emitting device having high definition, a high aperture ratio, and high reliability is provided. The present invention achieves high definition and a high aperture ratio with a full color flat panel display using red, green, and blue color emission light by intentionally forming laminate portions, wherein portions of different organic compound layers of adjacent light emitting elements overlap with each other, without depending upon the method of forming the organic compound layers or the film formation precision.
    Type: Application
    Filed: May 12, 2010
    Publication date: November 25, 2010
    Inventors: Shunpei YAMAZAKI, Toshiji HAMATANI, Toru TAKAYAMA
  • Publication number: 20100195033
    Abstract: (OBJECT) The object is to provide a lightened semiconductor device and a manufacturing method thereof by pasting a layer to be peeled to various base materials. (MEANS FOR SOLVING THE PROBLEM) In the present invention, a layer to be peeled is formed on a substrate, then a seal substrate provided with an etching stopper film is pasted with a binding material on the layer to be peeled, followed by removing only the seal substrate by etching or polishing. The remaining etching stopper film is functioned as a blocking film. In addition, a magnet sheet may be pasted as a pasting member.
    Type: Application
    Filed: April 14, 2010
    Publication date: August 5, 2010
    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
    Inventors: Toru TAKAYAMA, Junya MARUYAMA, Yumiko OHNO, Masakazu MURAKAMI, Toshiji HAMATANI, Hideaki KUWABARA, Shunpei YAMAZAKI
  • Patent number: 7763503
    Abstract: In a semiconductor device manufacturing process, a gate insulating film forming step, an amorphous semiconductor film forming step, and an insulating film forming step are continuously performed without taking out the substrate to the atmosphere.
    Type: Grant
    Filed: December 19, 2005
    Date of Patent: July 27, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Toshiji Hamatani, Takeshi Fukada
  • Patent number: 7741642
    Abstract: The object is to provide a lightened semiconductor device and a manufacturing method thereof by pasting a layer to be peeled to various base materials. In the present invention, a layer to be peeled is formed on a substrate, then a seal substrate provided with an etching stopper film is pasted with a binding material on the layer to be peeled, followed by removing only the seal substrate by etching or polishing. The remaining etching stopper film is functioned as a blocking film. In addition, a magnet sheet may be pasted as a pasting member.
    Type: Grant
    Filed: February 5, 2007
    Date of Patent: June 22, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd
    Inventors: Toru Takayama, Junya Maruyama, Yumiko Ohno, Masakazu Murakami, Toshiji Hamatani, Hideaki Kuwabara, Shunpei Yamazaki
  • Patent number: 7719014
    Abstract: A light emitting device having high definition, a high aperture ratio, and high reliability is provided. The present invention achieves high definition and a high aperture ratio with a full color flat panel display using red, green, and blue color emission light by intentionally forming laminate portions, wherein portions of different organic compound layers of adjacent light emitting elements overlap with each other, without depending upon the method of forming the organic compound layers or the film formation precision.
    Type: Grant
    Filed: July 30, 2008
    Date of Patent: May 18, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Toshiji Hamatani, Toru Takayama
  • Patent number: 7709837
    Abstract: 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 on the silicon film by performing a heat treatment in an oxidizing atmosphere containing a halogen element. During this step, in the silicon film, impurities included such as oxygen or chlorine, are segregated with extending along the crystal growth, the crystallinity is improved, and the gettering of nickel element 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: Grant
    Filed: July 10, 2006
    Date of Patent: May 4, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd
    Inventors: Shunpei Yamazaki, Satoshi Teramoto, Jun Koyama, Yasushi Ogata, Masahiko Hayakawa, Mitsuaki Osame, Hisashi Ohtani, Toshiji Hamatani
  • Patent number: 7679087
    Abstract: There is disclosed a method of fabricating a thin-film transistor having excellent characteristics. Nickel element is held in contact with selected regions of an amorphous silicon film. Then, thermal processing is performed to crystallize the amorphous film. Subsequently, thermal processing is carried out in an oxidizing ambient containing a halogen element to form a thermal oxide film. At this time, the crystallinity is improved. Also, gettering of the nickel element proceeds. This crystalline silicon film consists of crystals grown radially from a number of points. Consequently, the thin-film transistor having excellent characteristics can be obtained.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: March 16, 2010
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Satoshi Teramoto, Jun Koyama, Yasushi Ogata, Masahiko Hayakawa, Mitsuaki Osame, Hisashi Ohtani, Toshiji Hamatani