Patents by Inventor Takeshi Noda

Takeshi Noda 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).

  • Patent number: 8530898
    Abstract: A display device which uses a TFT having a gate electrode film thereof arranged on a light source side can also suppress the increase of parasitic capacitance while suppressing the generation of a light leakage current. On at least one end of the TFT, between a high concentration region which constitutes a source region or a drain region and a channel region, a first low concentration region which is arranged on a high concentration region side and exhibits low impurity concentration and a second low concentration region which exhibits impurity concentration even lower than the impurity concentration of the first low concentration region are provided in this order.
    Type: Grant
    Filed: October 27, 2010
    Date of Patent: September 10, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takeshi Noda, Takuo Kaitoh
  • Publication number: 20130140536
    Abstract: Disclosed is a light emission element including, on a substrate having an insulative surface, a first electrode connected with a thin film transistor and an insulator covering the end of the first electrode, a layer containing an organic compound in contact with the first electrode, a second electrode in contact with the layer containing the organic compound. The first electrode has an inclined surface and the inclined surface reflects emitted light from the layer containing the organic compound. Further, a light absorbing multi-layered film absorbing external light is disposed on the portion of the first electrode covered with the insulator. The light absorbing multi-layered film comprising at least has a three-layered structure comprising a light transmitting film, a film partially absorbing light and a light transmitting film.
    Type: Application
    Filed: November 9, 2012
    Publication date: June 6, 2013
    Applicant: Semiconductor Energy laboratory Co., Ltd.
    Inventors: Shunpei YAMAZAKI, Takeshi NODA, Yoshinari HIGAKI
  • Patent number: 8421940
    Abstract: A display device includes a TFT substrate in which a plurality of first TFT elements each having an active layer of an amorphous semiconductor and a plurality of second TFT elements each having an active layer of a polycrystalline semiconductor are disposed on a surface of an insulating substrate, wherein the first TFT element and the second TFT element each have a structure with a gate electrode, a gate insulating film, and the active layer stacked in this order on the surface of the insulating substrate and a source electrode and a drain electrode both connected to the active layer via a contact layer above the active layer, and the active layer of the second TFT element has a thickness of more than 60 nm in a position where the contact layer is stacked.
    Type: Grant
    Filed: March 17, 2009
    Date of Patent: April 16, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takeshi Noda, Takuo Kaitoh, Hidekazu Miyake, Takahiro Kamo
  • Publication number: 20130048996
    Abstract: Provided a display device including a thin film transistor. The thin film transistor includes a gate electrode, a gate insulating layer which covers the gate electrode, an oxide semiconductor film above the gate insulating layer, a source electrode and a drain electrode which are respectively provided in contact with a first region and a second region, which are provided in the upper surface of the oxide semiconductor film, and a channel protective film which is provided in contact with a third region between the first region and the second region. In plan view, a region of the oxide semiconductor film, which overlaps with the gate electrode, is smaller than the third region, and a portion of the oxide semiconductor film except for a portion which overlaps with the gate electrode has a resistance lower than the portion.
    Type: Application
    Filed: August 28, 2012
    Publication date: February 28, 2013
    Inventors: Takeshi NODA, Tetsufumi Kawamura
  • Patent number: 8368077
    Abstract: A second insulation layer which is formed by stacking a plurality of layers made of different materials in a mutually contact manner is formed such that the second insulation layer covers a source region and a drain region and also covers a gate electrode from above. A first contact hole which reaches one of the source region and the drain region and a recessed portion which is arranged above the gate electrode but is not communicated with the gate electrode are simultaneously formed on the second insulation layer by dry etching. A first line layer is formed so as to cover the first contact hole. After forming the first line layer, a bottom surface of the recessed portion is etched by dry etching thus forming a second contact hole which reaches the gate electrode in the first and second insulation layers. A second line layer is formed on the second contact hole.
    Type: Grant
    Filed: October 14, 2009
    Date of Patent: February 5, 2013
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Display Co., Ltd.
    Inventors: Takeshi Kuriyagawa, Takeshi Noda, Takuo Kaitoh
  • Patent number: 8362688
    Abstract: It is an object of the present invention to provide a light-emitting device in which, even when a material with high reflectivity such as aluminum is used for an electrode, a layer containing oxygen can be formed over the electrode without increasing contact resistance and a manufacturing method thereof. According to the present invention, a feature thereof is a light-emitting element having an electrode composed of a stacked structure where a conductive film having high reflectivity such as aluminum, silver, and an alloy containing aluminum or an alloy containing silver, and a conductive film composed of a refractory metal material is provided over the conductive film, or a light-emitting device having the light-emitting element.
    Type: Grant
    Filed: December 13, 2010
    Date of Patent: January 29, 2013
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventor: Takeshi Noda
  • Patent number: 8355594
    Abstract: An information processing apparatus performs first filter processing to combine pixels of an image along a predetermined direction. A line noise image is extracted by executing second filter processing for the processed image along a direction different from the predetermined direction. The extracted line noise image is subtracted from the image to acquire a line noise reduced image.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: January 15, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Takeshi Noda
  • Publication number: 20130001558
    Abstract: A semiconductor device includes a gate electrode, a gate insulating film provided so as to cover one surface of the gate electrode, an oxide semiconductor provided so as to overlap the gate insulating film, and a source electrode and a drain electrode, which are provided so as to overlap the oxide semiconductor. The semiconductor device also includes an oxygen-atom-containing film provided between the gate insulating film, and, the source electrode and the drain electrode, so as to be held in contact with the oxide semiconductor.
    Type: Application
    Filed: June 26, 2012
    Publication date: January 3, 2013
    Inventors: Naoya Okada, Takeshi Noda
  • Patent number: 8319225
    Abstract: A display device includes: a conductive layer on which gate electrodes are formed; a first insulation layer which is formed on the conductive layer; a semiconductor layer which is formed on the first insulation layer and is provided for forming semiconductor films which contain poly-crystalline silicon above the gate electrodes; and a second insulation layer which is formed on the semiconductor layer. Here, the semiconductor film includes a channel region which overlaps with the gate electrode as viewed in a plan view. In the channel region, a portion of the semiconductor film which is in contact with the second insulation layer exhibits higher impurity concentration than a portion of the semiconductor film which is in contact with the first insulation layer.
    Type: Grant
    Filed: November 4, 2009
    Date of Patent: November 27, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takahiro Kamo, Takeshi Noda
  • Patent number: 8309976
    Abstract: A light emission device manufactured by a method of forming a curved surface having a radius of curvature to the upper end of an insulator 19, exposing a portion of the first electrode 18c to form an inclined surface in accordance with the curved surface, and applying etching so as to expose the first electrode 18b in a region to form a light emission region, in which emitted light from the layer containing the organic compound 20 is reflected on the inclined surface of the first electrode 18c to increase the total take-out amount of light in the direction of an arrow shown in FIG.
    Type: Grant
    Filed: February 25, 2011
    Date of Patent: November 13, 2012
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Takeshi Noda, Yoshinari Higaki
  • Patent number: 8288831
    Abstract: A semiconductor device, which can improve the effect of a hydrogenation treatment in case of using a GOLD structure, and a method of manufacturing thereof is provided. A gate insulating film is formed on a semiconductor layer, and a source region, a drain region, and LDD regions are formed in the semiconductor layer. A main gate is formed on the gate insulating film. A sub-gate is formed on the main gate and the gate insulating film so as to cover a part of the main gate and either the LDD regions adjacent to the source region or the drain region. An interlayer insulating film containing hydrogen is formed on the sub-gate, main gate, and gate insulating film. Subsequently, a heat treatment for hydrogenation is performed to terminate a crystal defect of the semiconductor layer with hydrogen.
    Type: Grant
    Filed: January 5, 2011
    Date of Patent: October 16, 2012
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Takeshi Noda, Hidehito Kitakado, Takuya Matsuo
  • Publication number: 20120128225
    Abstract: An image processing apparatus which processes an image obtained by tomosynthesis shooting by using a radiation source and a two-dimensional detector. The image processing apparatus includes an obtaining unit configured to obtain a plurality of projection data output from the two-dimensional detector upon tomosynthesis shooting; and a reconstruction unit configured to perform analytical reconstruction processing of a tomogram of a subject from the plurality of projection data obtained by tomosynthesis shooting without transforming the projection data into virtual projection data on a virtual CT detection plane virtually set to be perpendicular to a radiation center direction of the radiation source.
    Type: Application
    Filed: November 7, 2011
    Publication date: May 24, 2012
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Takeshi Noda
  • Publication number: 20120080683
    Abstract: A thin film transistor, a display device and a liquid crystal display device are provided. The thin film transistor includes a gate electrode film onto which light from a light source is irradiated, a semiconductor film formed on the gate electrode film and on an opposite side to the light source side through an insulating film, first and second electrode films formed to be in electrical contact with the semiconductor film, and a first shielding film formed in a same layer as the gate electrode film and electrically isolated from the gate electrode film, wherein the first shielding film overlaps a part of the semiconductor film as seen from the light irradiation direction and also overlaps at least a part of the first electrode film as seen from the light irradiation direction.
    Type: Application
    Filed: September 23, 2011
    Publication date: April 5, 2012
    Inventors: Takeshi NODA, Takuo Kaitoh, Hidekazu Miyake, Takeshi Sakai
  • Patent number: 8148726
    Abstract: A display device which has thin film transistors, wherein a semiconductor layer includes a first layer, second layers and third layers, the first layer has a channel region, the second layers are an impurity layer, the third layers are a low-concentration impurity layer, the second layers have connection portions connected with an electrodes, the third layers are formed to annularly surround the second layers, a channel-region-side edge portion out of edge portions of the third layer is in contact with the first layer, the edge portions of the third layer but the channel-region-side edge portion are in contact with an interlayer insulation film, the second layers have a first region where the second layer overlaps with a gate electrode and a second region where the second layer does not overlap with the gate electrode, and the connection portion is in the second region.
    Type: Grant
    Filed: July 28, 2010
    Date of Patent: April 3, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takeshi Noda, Toshio Miyazawa, Takuo Kaitoh, Daisuke Sonoda
  • Patent number: 8124975
    Abstract: Provided is a display device capable of suppressing generation of optical leakage current as well as increase in capacitance in a case where a plurality of thin film transistors (TFTs) including a gate electrode film on a light source side are formed in series. Relative areas of opposing regions between a semiconductor film and the gate electrode film with respect to channel regions are different in at least a part of the plurality of TFTs, to thereby provide a flat panel display having a structure for suppressing increase in capacitance while suppressing generation of optical leakage current.
    Type: Grant
    Filed: October 29, 2009
    Date of Patent: February 28, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takeshi Noda, Toshio Miyazawa, Takuo Kaitoh, Hiroyuki Abe
  • Patent number: 8124974
    Abstract: A display device is provided in which at least first and second thin film transistors are formed on a substrate, including a gate electrode formed on a semiconductor layer with a gate insulating film in between. The semiconductor layer is divided into individual regions for each film transistor, and is provided with a common region and LDD regions between a channel region and a drain region, as well as between the channel region and a source region. The gate electrode is formed as an integrated gate electrode for the first and second thin film transistors that faces the common region, the channel region and the LDD regions of the first thin film transistor and the channel region and the LDD regions of the second thin film transistor.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: February 28, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takeshi Noda, Toshio Miyazawa, Takuo Kaitoh, Takumi Shigaki
  • Patent number: 8110833
    Abstract: A display device includes: a transparent substrate; gate electrodes which are stacked on the transparent substrate; semiconductor films which are stacked above the gate electrodes and constitute thin film transistors together with the gate electrodes; source electrodes and drain electrodes which are formed above the semiconductor films; an insulation film which is stacked between the source electrodes and the semiconductor films and between the drain electrodes and the semiconductor films; and contact holes which are formed in the insulation film so as to connect the source electrodes and the drain electrodes with the semiconductor films. The semiconductor film includes a connection region which is positioned at least below the contact hole and is connected with the source electrode, and a connection region which is positioned at least below the contact hole and is connected with the drain electrode, and impurities are implanted into the connection regions.
    Type: Grant
    Filed: August 6, 2009
    Date of Patent: February 7, 2012
    Assignees: Hitachi Displays, Ltd., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takeshi Kuriyagawa, Takeshi Noda, Takuo Kaitoh
  • Publication number: 20110291088
    Abstract: It is an object of the invention to provide a light emitting device which can display a superior image in which luminescent color from each light emitting layer is beautifully displayed and power consumption is lowered in a light emitting element in which light emitting layers are stacked. One feature of the invention is that, in a light emitting element which comprises light emitting layers stacked between electrodes, each distance between each light emitting layer and an electrode is approximately oddly multiplied ΒΌ wavelength by controlling a thickness of a layer provided therebetween to enhance luminous output efficiency. Another feature of the invention is that a drive voltage is lowered using a high conductive material for the layer compared with a conventional element.
    Type: Application
    Filed: August 9, 2011
    Publication date: December 1, 2011
    Inventors: Satoshi Seo, Takeshi Noda, Shunpei Yamazaki
  • Publication number: 20110207255
    Abstract: A manufacturing method of an active matrix light emitting device in which the active matrix light emitting device can be manufactured in a shorter time with high yield at low cost compared with conventional ones will be provided. It is a feature of the present invention that a layered structure is employed for a metal electrode which is formed in contact with or is electrically connected to a semiconductor layer of each TFT arranged in a pixel area of an active matrix light emitting device. Further, the metal electrode is partially etched and used as a first electrode of a light emitting element. A buffer layer, a layer containing an organic compound, and a second electrode layer are stacked over the first electrode.
    Type: Application
    Filed: May 3, 2011
    Publication date: August 25, 2011
    Inventors: Masayuki Sakakura, Takeshi Noda, Hideaki Kuwabara, Shunpei Yamazaki
  • Publication number: 20110193070
    Abstract: A light emission device manufactured by a method of forming a curved surface having a radius of curvature to the upper end of an insulator 19, exposing a portion of the first electrode 18c to form an inclined surface in accordance with the curved surface, and applying etching so as to expose the first electrode 18b in a region to form a light emission region, in which emitted light from the layer containing the organic compound 20 is reflected on the inclined surface of the first electrode 18c to increase the total take-out amount of light in the direction of an arrow shown in FIG.
    Type: Application
    Filed: February 25, 2011
    Publication date: August 11, 2011
    Inventors: Shunpei Yamazaki, Takeshi Noda, Yoshinari Higaki