Patents by Inventor Toshiro Takahashi

Toshiro Takahashi 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: 10135032
    Abstract: A method for producing a light-emitting display device, the method including forming a film of a light-transmissive resin material on a substrate over which a reflective metal and a semi-transparent member can be disposed in at least one of a plurality of pixel regions corresponding to red, green and blue; curing part of the film of the light-transmissive resin material to form a light-transmissive resin layer, the part being in a region including the at least one pixel region; and developing the light-transmissive resin layer after the curing to form an optical path length-adjusting layer.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: November 20, 2018
    Assignee: UDC IRELAND LIMITED
    Inventors: Satoshi Aiba, Toshiro Takahashi
  • Patent number: 8128447
    Abstract: A display device manufacturing method including arraying pixels 20 comprising plural sub-pixels with different light-emitting colors in two intersecting directions on a flexible substrate 12 by patterning plural sub-pixels 14, 16, 18 with different light-emitting colors onto the flexible substrate 12, wherein patterning of the sub-pixels is performed such that from the two directions of pixel array, the plural sub-pixels with different light-emitting colors are arrayed within the pixels in a rows along the direction X with the smaller substrate dimensional change ratio.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: March 6, 2012
    Assignee: Fujifilm Corporation
    Inventor: Toshiro Takahashi
  • Patent number: 8093805
    Abstract: In an organic electroluminescent display device comprising a wiring layer, an insulating layer, a first electrode, an organic electroluminescent layer, and a second electrode, wiring which conducts with a second electrode is arranged between light emitting pixels, and is provided either between an organic electroluminescent layer and the second electrodes, or on top of the second electrodes.
    Type: Grant
    Filed: May 26, 2006
    Date of Patent: January 10, 2012
    Assignee: Fujifilm Corporation
    Inventors: Yoshiaki Sakamoto, Toshiro Takahashi
  • Publication number: 20110317429
    Abstract: A method for producing a light-emitting display device, the method including forming a film of a light-transmissive resin material on a substrate over which a reflective metal and a semi-transparent member can be disposed in at least one of a plurality of pixel regions corresponding to red, green and blue; curing part of the film of the light-transmissive resin material to form a light-transmissive resin layer, the part being in a region including the at least one pixel region; and developing the light-transmissive resin layer after the curing to form an optical path length-adjusting layer.
    Type: Application
    Filed: February 4, 2010
    Publication date: December 29, 2011
    Inventors: Satoshi Aiba, Toshiro Takahashi
  • Patent number: 8022901
    Abstract: In a current control driver that drives an active matrix device, a write current can be set larger and unevenness in currents can be reduced between elements receiving the currents. In the current control driver having an element circuit for each of the elements comprising a converting unit for converting an applied current into a voltage, a retaining unit for retaining the voltage converted by the converting unit, and a driving unit that converts the voltage retained by the retaining unit into an output current and supplies the output current, the converting unit is shared between two or more of the element circuits and a switch located between the shared converting units connects two or more of the converting units to one of the elements during a current supply period for the element.
    Type: Grant
    Filed: May 31, 2007
    Date of Patent: September 20, 2011
    Assignee: Fujifilm Corporation
    Inventors: Toshiro Takahashi, Takuya Yoshimi, Atsuo Ishizuka
  • Patent number: 7978275
    Abstract: A method for producing a display comprising: forming a plurality of pixels arrayed on a flexible substrate and independently driven by TFTs, wherein the TFTs are formed in such a manner that the direction of the channel length L between the source and drain of each TFT is the direction of two orthogonal directions on the substrate in which the substrate has a smaller dimensional change ratio than the other direction. When the TFTs include a switching TFT and a driving TFT, the TFTs are formed in such a manner that the direction of the channel length between the source and drain of at least the driving TFT is the direction of the two orthogonal directions on the substrate in which the substrate has a smaller dimensional change ratio than the other direction.
    Type: Grant
    Filed: March 24, 2008
    Date of Patent: July 12, 2011
    Assignee: Fujifilm Corporation
    Inventors: Toshiro Takahashi, Masaya Nakayama, Atsushi Tanaka
  • Patent number: 7952267
    Abstract: A display by an active matrix drive in which plural pixels are controlled independently from one another, wherein each of the pixels includes at least two sub-pixels, the sub-pixels emit light of the same color as each other by application of current, and one sub-pixel of the sub-pixels has a lower light-emission efficiency per unit of current than that of the other sub-pixel. A display which has an improved gradation and is capable of multi-gradation reproduction is provided.
    Type: Grant
    Filed: March 6, 2008
    Date of Patent: May 31, 2011
    Assignee: Fujifilm Corporation
    Inventors: Tasuku Satou, Toshiro Takahashi
  • Patent number: 7935433
    Abstract: An object of the present invention is to enable suppression of a leak current of an organic EL element while improving a conductivity of the organic EL element and suppressing an operation voltage thereof. An organic EL element is used which comprises at least a luminescent layer, a hole transport layer adjacent to a positive-electrode side of the luminescent layer, and an electron injection transport layer adjacent to a negative-electrode side of the luminescent layer, wherein a hole injection layer is provided between the hole transport layer and the positive electrode, and the conductivity of the hole injection layer continuously changes along a thickness direction of the hole injection layer.
    Type: Grant
    Filed: December 25, 2003
    Date of Patent: May 3, 2011
    Assignee: Fujifilm Corporation
    Inventors: Yuichiro Itai, Tasuku Satoh, Yoshiaki Sakamoto, Toshiro Takahashi, Masaru Kinoshita
  • Patent number: 7928537
    Abstract: A functional device having, on a substrate, a pair of electrodes, a functional layer which is sandwiched between the electrodes and has an output that varies in accordance with an applied electric current, and a terminal arranged to apply an electric current to at least one of the electrodes, wherein an insulator is arranged between the electrodes and the density of the insulator decreases as the distance from the terminal increases, or wherein at least one of the electrodes has a notch section, and the ratio of the area of the notch section to the area of the electrode decreases as the distance from the terminal increases. This is an improved functional device which is excellent in production suitability and gives a uniform in-plane output, and can be rendered, in particular, an organic electroluminescence device.
    Type: Grant
    Filed: March 28, 2007
    Date of Patent: April 19, 2011
    Assignee: Fujifilm Corporation
    Inventors: Toshiro Takahashi, Kazuo Hakamata
  • Patent number: 7855369
    Abstract: A radiation imaging element that includes radiation sensors disposed in a matrix so as to output signal charges corresponding to radiation transmitted through a subject, and TFTs for readout of signals from the radiation sensors, wherein the TFT has at least a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode, the active layer has at least a first region and a second region which has an electric conductivity larger than an electric conductivity of the first region, the second region is in contact with the gate insulating layer, and the first region is disposed so as to be electrically connected between the second region and at least one of the source electrode or the drain electrode. A radiation imaging element that effectively suppresses noise and also achieves a high quality image is provided.
    Type: Grant
    Filed: November 20, 2008
    Date of Patent: December 21, 2010
    Assignee: FUJIFILM Corporation
    Inventor: Toshiro Takahashi
  • Patent number: 7750557
    Abstract: An organic electroluminescent display device comprising: a substrate; a reflective layer provided on the substrate and reflecting light; an insulating layer provided on the reflective layer and transmitting light; a lower electrode provided on the insulating layer; an organic electroluminescent layer provided on the lower electrode; and an upper electrode provided on the organic electroluminescent layer and electrically connected to the reflective layer.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: July 6, 2010
    Assignee: Fujifilm Corporation
    Inventor: Toshiro Takahashi
  • Publication number: 20100060176
    Abstract: A display apparatus, including an active matrix substrate with an array of multiple pixel circuits, each having a light emitting element, a drive transistor connected to the light emitting element to apply a drive current to the light emitting element, a capacitor element connected between a gate terminal and the source terminal of the drive transistor, and a selection transistor connected between the gate terminal of the drive transistor and a data line through which a predetermined data signal flows, in which the drive transistor is an n-type thin film transistor having a current characteristic in which a drive current at a gate-source voltage Vgs=0V corresponds to an average drive current Idavr.
    Type: Application
    Filed: September 8, 2009
    Publication date: March 11, 2010
    Applicant: FUJIFILM CORPORATION
    Inventors: Toshiro Takahashi, Yasuhiro Seto
  • Patent number: 7562994
    Abstract: A lighting apparatus and a display apparatus therewith are disclosed. The lighting apparatus includes a first light-transmitting electrode layer, a second light-transmitting electrode layer, and a luminous layer that is sandwiched by the first and the second light-transmitting electrode layers. At least one of the first and the second light-transmitting electrode layers includes at least a first conductive member and a second conductive member. Layout patterns of the first and the second conductive members are different from each other.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: July 21, 2009
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Yoshiaki Sakamoto, Toshiro Takahashi, Masaya Nakayama
  • Publication number: 20090134336
    Abstract: A radiation imaging element that includes radiation sensors disposed in a matrix so as to output signal charges corresponding to radiation transmitted through a subject, and TFTs for readout of signals from the radiation sensors, wherein the TFT has at least a gate electrode, a gate insulating layer, an active layer, a source electrode and a drain electrode, the active layer has at least a first region and a second region which has an electric conductivity larger than an electric conductivity of the first region, the second region is in contact with the gate insulating layer, and the first region is disposed so as to be electrically connected between the second region and at least one of the source electrode or the drain electrode. A radiation imaging element that effectively suppresses noise and also achieves a high quality image is provided.
    Type: Application
    Filed: November 20, 2008
    Publication date: May 28, 2009
    Applicant: FUJIFILM CORPORATION
    Inventor: Toshiro Takahashi
  • Publication number: 20080272989
    Abstract: The light emission panel display device according to the present invention has a scan drive circuit (30) driving a selected scan line to a selected voltage and unselected scan lines to a non-selected voltage higher than the selected voltage in each scanning period and (3) a data drive circuit (20) supplying light-emitting drive current to the data lines respectively in the periods of light emission corresponding to display gradation. The data drive circuit (20) starts supply of the light-emitting drive current to the data lines respectively at the emission-initiation timing corresponding to the emission period in the scanning period, and terminates supply of the light-emitting drive current to the multiple data lines at the same emission-termination timing.
    Type: Application
    Filed: March 30, 2004
    Publication date: November 6, 2008
    Applicant: FUJI PHOTO FILM CO.,
    Inventors: Toshiro Takahashi, Atsuo Ishizuka
  • Publication number: 20080239185
    Abstract: A method for producing a display comprising: forming a plurality of pixels arrayed on a flexible substrate and independently driven by TFTs, wherein the TFTs are formed in such a manner that the direction of the channel length L between the source and drain of each TFT is the direction of two orthogonal directions on the substrate in which the substrate has a smaller dimensional change ratio than the other direction. When the TFTs include a switching TFT and a driving TFT, the TFTs are formed in such a manner that the direction of the channel length between the source and drain of at least the driving TFT is the direction of the two orthogonal directions on the substrate in which the substrate has a smaller dimensional change ratio than the other direction.
    Type: Application
    Filed: March 24, 2008
    Publication date: October 2, 2008
    Inventors: Toshiro TAKAHASHI, Masaya Nakayama, Atsushi Tanaka
  • Publication number: 20080238306
    Abstract: A display device manufacturing method including arraying pixels 20 comprising plural sub-pixels with different light-emitting colors in two intersecting directions on a flexible substrate 12 by patterning plural sub-pixels 14, 16, 18 with different light-emitting colors onto the flexible substrate 12, wherein patterning of the sub-pixels is performed such that from the two directions of pixel array, the plural sub-pixels with different light-emitting colors are arrayed within the pixels in a rows along the direction X with the smaller substrate dimensional change ratio.
    Type: Application
    Filed: March 24, 2008
    Publication date: October 2, 2008
    Inventor: Toshiro TAKAHASHI
  • Publication number: 20080242181
    Abstract: A display device manufacturing method comprising: forming pixels 20 such that the pixels are disposed in an array in two intersecting directions on a flexible substrate 10; and forming terminals 14,18 for connecting the respective pixels that arrayed in the two intersecting directions on the flexible substrate with respective external lines, the terminals being formed so as to be in row(s) along the direction X with the smaller dimensional change ratio of the substrate, from the two directions on the flexible substrate.
    Type: Application
    Filed: March 24, 2008
    Publication date: October 2, 2008
    Inventor: Toshiro TAKAHASHI
  • Publication number: 20080224604
    Abstract: A display by an active matrix drive in which a plurality of pixels are independently controlled, wherein each pixel includes at least two sub-pixels that emit light having the same color as each other by application of current to the sub-pixels, and at least one of the sub-pixels is provided with an optical filter at a light extraction side of the sub-pixel. A display which is capable of multi-gradation reproduction is provided.
    Type: Application
    Filed: March 6, 2008
    Publication date: September 18, 2008
    Inventors: Tasuku Satou, Toshiro Takahashi
  • Publication number: 20080225206
    Abstract: A display by an active matrix drive in which plural pixels are controlled independently from one another, wherein each of the pixels includes at least two sub-pixels, the sub-pixels emit light of the same color as each other by application of current, and one sub-pixel of the sub-pixels has a lower light-emission efficiency per unit of current than that of the other sub-pixel. A display which has an improved gradation and is capable of multi-gradation reproduction is provided.
    Type: Application
    Filed: March 6, 2008
    Publication date: September 18, 2008
    Inventors: Tasuku Satou, Toshiro Takahashi