Patents by Inventor Toshinao Yuki

Toshinao Yuki 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: 7960914
    Abstract: An image display element includes: a front panel; a back panel opposite thereto; plural pixels arranged in a matrix between the panels; and plural electrodes for controlling the pixels. The panels are bonded with the pixels and the electrodes interposed therebetween. The electrodes are connected to a driving circuit via metal film wires. The back panel is divided so as to expose electrode terminals, and a groove part V-shaped in cross section is formed at the divided portion. The metal film wires are formed on the top surface of the back panel, and the electrode terminals and the metal film wires are connected by a conductive paste coated along the tilt surfaces forming the groove part. A contact resistance reducing means is disposed at the connection part interface between the electrode terminal and the conductive paste.
    Type: Grant
    Filed: February 4, 2010
    Date of Patent: June 14, 2011
    Assignees: Mitsubishi Electric Corporation, Tohoku Pioneer Corporation
    Inventors: Zenichiro Hara, Satoru Kiridoshi, Suguru Nagae, Takanori Okumura, Yoshiyuki Suehiro, Nobuo Terazaki, Jun Sugahara, Ryota Oki, Takeshi Yoshida, Yutaka Saito, Yuji Saito, Toshinao Yuki, Hiroyuki Sato, Yoshinori Fukuda, Yosuke Sato, Masami Kimura
  • Patent number: 7948160
    Abstract: An optical device emitting light of a predetermined mixed color other than the intrinsic colors of light emitting layers from each pixel having a reduced number of drive lines (electrodes) to achieve the color. The optical device includes one or a plurality of self light emitting elements, each corresponding to one pixel and including a pair of electrodes formed on a substrate and at least a light emitting layer between the electrodes. The light emitting layer includes a first layer with a first region that emits light of a first color and a second layer with a second region that emits light of a second color that is different from the first within the same opening of each pixel. A third light emitting region is formed within the opening for emitting light of a color that is a mixture of the first color and the second color.
    Type: Grant
    Filed: January 27, 2006
    Date of Patent: May 24, 2011
    Assignee: Tohoku Pioneer Corporation
    Inventor: Toshinao Yuki
  • Publication number: 20110062862
    Abstract: Disclosed is an organic electroluminescent device (organic EL device) that is improved in the luminous efficiency, fully secured of the driving stability, and of a simple structure. The organic EL device comprises a light-emitting layer between an anode and a cathode piled one upon another on a substrate and the said light-emitting layer comprises (A) a phosphorescent dopant whose emission peak wavelength is longer than 600 nm and (B) a host material. The host material contains at least two kinds of compounds selected from two or more kinds of derivatives included in (b1) N-substituted indolocarbazole derivatives, (b2) derivatives of 8-hydroxyquinoline aluminum complex, and (b3) bisindolocarbazole derivatives.
    Type: Application
    Filed: April 30, 2009
    Publication date: March 17, 2011
    Inventors: Toshihiro Yamamoto, Takahiro Kai, Masaki Komori, Taishi Tsuji, Yasuhiro Takahashi, Toshinao Yuki, Yusuke Nakajima, Tomoaki Hoshi, Jiro Asaka
  • Publication number: 20100327275
    Abstract: An organic EL panel includes a light-emitting part including one or a plurality of organic EL elements on a substrate and having a sealing structure sealing the light-emitting part. The organic EL element includes a light-emitting layer, an organic layer formed on a first electrode formed directly, or via another layer, on the substrate, and a second electrode formed on the organic layer. The organic EL panel includes a coating film formed on the substrate, directly at least on the second electrode, so as to coat the light-emitting part. The coating film is made of an amorphous organic material and has a thickness absorbing a surface irregularity of the contact object contacted by the surface of the coating film.
    Type: Application
    Filed: February 26, 2008
    Publication date: December 30, 2010
    Applicants: PIONEER CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Yuji Saito, Shinji Nakajima, Toshinao Yuki
  • Publication number: 20100326708
    Abstract: An image display element includes: a front panel; a back panel opposite thereto; a plurality of pixels arranged in a matrix between both the panels; and plural electrodes for controlling the pixels. Both the panels are bonded together with the pixels and the electrodes interposed therebetween, and the electrodes are connected to a driving circuit via metal film wires. Division is performed so as to expose electrode terminals, and a groove part V-shaped in cross section is formed at the divided portion. The metal film wires are formed on the surface of the top of the back panel, and the electrode terminals and the metal film wires are connected by a conductive paste coated along the tilt surfaces forming the groove part.
    Type: Application
    Filed: February 4, 2010
    Publication date: December 30, 2010
    Applicants: Mitsubishi Electric Corporation, Tohoku Pioneer Corporation
    Inventors: Zenichiro HARA, Satoru KIRIDOSHI, Suguru NAGAE, Takanori OKUMURA, Yoshiyuki SUEHIRO, Nobuo TERAZAKI, Masaaki HIRAKI, Jun SUGAHARA, Ryota OKI, Takeshi YOSHIDA, Yutaka SAITO, Yuji SAITO, Toshinao YUKI, Hiroyuki SATO, Yoshinori FUKUDA, Yosuke SATO, Masami KIMURA
  • Publication number: 20100328193
    Abstract: An image display element includes: a front panel; a back panel opposite thereto; a plurality of pixels arranged between both the panels; and plural electrodes for controlling the pixels. The panels are bonded with the pixels and the electrodes interposed therebetween, and the electrodes are connected to a driving circuit via metal film wires. The back panel is divided so as to expose electrode terminals, and a groove part V-shaped in cross section is formed at the divided portion. The metal film wires are formed on the top surface of the back panel, and the electrode terminals and the metal film wires are connected by a conductive paste coated along the tilt surfaces forming the groove part. Partitions are disposed between the adjacent electrode terminals at the bottom of the groove part.
    Type: Application
    Filed: February 4, 2010
    Publication date: December 30, 2010
    Applicants: Mitsubishi Electric Corporation, Tohoku Pioneer Corporation
    Inventors: Zenichiro HARA, Satoru Kiridoshi, Suguru Nagae, Takanori Okumura, Yoshiyuki Suehiro, Nobuo Terazaki, Masaaki Hiraki, Yutaka Saito, Yuji Saito, Toshinao Yuki, Ryota Oki, Takeshi Yoshida, Jun Sugahara, Hiroyuki Sato, Yoshinori Fukuda, Yosuke Sato, Masami Kimura
  • Publication number: 20100330862
    Abstract: A method for manufacturing an image display element including: a front panel; a back panel facing the front panel; plural pixels arranged in a matrix between the panels, and to be selected to be in a display or non-display state; and plural electrodes for controlling the pixels, the panels being bonded with the pixels and the electrodes interposed therebetween, and the electrodes being connected to a driving control circuit via metal wires, includes a first step of performing dicing from the back side of the opposing surface from the front panel, and forming a groove part such that electrode terminals connected to the electrodes are exposed between adjacent plural pixel lines, with the back panel bonded thereto, and a second step of forming the metal wires so as to be connected to the electrode terminals exposed at the groove part.
    Type: Application
    Filed: February 4, 2010
    Publication date: December 30, 2010
    Applicants: MITSUBISHI ELECTRIC CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Zenichiro Hara, Satoru Kiridoshi, Suguru Nagae, Takanori Okumura, Yoshiyuki Suehiro, Nobuo Terazaki, Yutaka Saito, Yuji Saito, Toshinao Yuki, Ryota Oki, Takeshi Yoshida, Jun Sugahara, Hiroyuki Sato, Yoshinori Fukuda, Yosuke Sato, Masami Kimura
  • Publication number: 20100328192
    Abstract: An image display element includes: a front panel; a back panel opposite to the front panel; a plurality of pixels arranged in a matrix between both the panels, and to be selected to be in a display or non-display state; and plural electrodes for controlling the pixels. Both the panels are bonded together with the pixels and the electrodes interposed therebetween, and the electrodes are connected to a driving control circuit via metal wires. The back panel is divided such that electrode terminals connected to the electrodes are exposed between adjacent plural pixel lines, and a groove part having a shape wider at the top on the back side of the opposing surface from the front panel than at the bottom is formed at the divided portion. The metal wires are connected to the exposed electrode terminals of the groove part.
    Type: Application
    Filed: February 4, 2010
    Publication date: December 30, 2010
    Applicants: MITSUBISHI ELECTRIC CORPORATION, TOHOKU PIONEER CORPORATION
    Inventors: Zenichiro HARA, Satoru Kiridoshi, Suguru Nagae, Takanori Okumura, Yoshiyuki Suehiro, Nobuo Terazaki, Yutaka Saito, Yuji Saito, Toshinao Yuki, Ryota Oki, Takeshi Yoshida, Jun Sugahara, Hiroyuki Sato, Yoshinori Fukuda, Yosuke Sato, Masami Kimura
  • Publication number: 20100328921
    Abstract: An image display element includes: a front panel; a back panel opposite thereto; plural pixels arranged in a matrix between the panels; and plural electrodes for controlling the pixels. The panels are bonded with the pixels and the electrodes interposed therebetween. The electrodes are connected to a driving circuit via metal film wires. The back panel is divided so as to expose electrode terminals, and a groove part V-shaped in cross section is formed at the divided portion. The metal film wires are formed on the top surface of the back panel, and the electrode terminals and the metal film wires are connected by a conductive paste coated along the tilt surfaces forming the groove part. A contact resistance reducing means is disposed at the connection part interface between the electrode terminal and the conductive paste.
    Type: Application
    Filed: February 4, 2010
    Publication date: December 30, 2010
    Applicants: Mitsubishi Electric Corporation, Tohoku Pioneer Corporation
    Inventors: Zenichiro HARA, Satoru Kiridoshi, Suguru Nagae, Takanori Okumura, Yoshiyuki Suehiro, Nobuo Terazaki, Jun Sugahara, Ryota Oki, Takeshi Yoshida, Yutaka Saito, Yuji Saito, Toshinao Yuki, Hiroyuki Sato, Yoshinori Fukuda, Yosuke Sato, Masami Kimura
  • Patent number: 7851074
    Abstract: The new organic electroluminescent display device has a carrier-transporting layer and/or an organic luminous layer composed of a nematic liquid crystal or a liquid crystal dispersing a carrier-transporting low-molecule therein. When the organic luminous layer is to be bestowed with faculty as a liquid crystal, it is made of a nematic liquid crystal. Both the carrier-transporting layer and the organic luminous layer may be bestowed with faculty as a liquid crystal. Since the liquid crystal is incorporated in the carrier-transporting layer and/or the organic luminous layer, the display device can be driven as a liquid crystal display device in a dark place by charging with a voltage lower than a light emission initiating potential. Of course, it is driven as an electroluminescent display device when it is charged with a voltage higher than the light emission initiating potential. Use of an electroluminescent liquid crystal as a organic luminous layer enables omission of a carrier-transporting layer.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: December 14, 2010
    Assignees: Tohoku Pioneer Corporation, Junji Kido
    Inventors: Junji Kido, Hitoshi Nakada, Teruo Tohma, Ryuji Murayama, Toshinao Yuki
  • Patent number: 7675229
    Abstract: The objects of the present invention are to provide a self-emission panel capable of achieving low electrical resistance of upper electrodes by a simple configuration, and to provide a method of fabricating a self-emission panel capable of achieving low electrical resistance of upper electrodes by a simple process. A self-emission panel includes one or more self-emission elements, each of the self-emission elements has a first electrode (lower electrode) formed on a substrate directly or through other layers, a deposition layer (luminescent functional layer) including a luminescent layer formed on the first electrode (lower electrode), and a second electrode (upper electrode) formed on the deposition layer. A sealing member for sealing the self-emission elements has an opposing substrate with protrusions formed toward the substrate on the side facing the substrate.
    Type: Grant
    Filed: October 4, 2006
    Date of Patent: March 9, 2010
    Assignee: Tohoku Pioneer Corporation
    Inventor: Toshinao Yuki
  • Patent number: 7641530
    Abstract: An organic EL panel and a method of forming the same, in which a bottom electrode of an organic EL device is flattened at the surface so that organic layers deposited thereon have uniform thicknesses, thereby avoiding the occurrence of leak currents and allowing favorable luminescence characteristics. The organic EL panel has an organic EL device formed on a substrate, the device comprising the bottom electrode, the organic layers including at least an organic luminescent layer, and a top electrode. The bottom electrode has an etched surface obtained by chemically etching a polished surface of an electrode material film. The organic layers are formed on the etched surface.
    Type: Grant
    Filed: June 28, 2005
    Date of Patent: January 5, 2010
    Assignee: Tohoku Pioneer Corporation
    Inventors: Toshinao Yuki, Kunihiko Shirahata
  • Publication number: 20090163108
    Abstract: A self-emission panel and a method of manufacturing a self-emission panel which can prevent emission failures from occurring due to various factors, thereby achieving a self-emission panel that is free from emission failures. The self-emission panel is manufactured by forming a first conductive layer on a substrate directly or via other layers, forming a deposition layer including a luminescent layer on the first conductive layer, and forming a second conductive layer on the deposition layer. This manufacturing method includes: a first step of forming a sectioning layer for sectioning an opening for making a emission area on the first conductive layer after the formation of the first conductive layer; a second step of applying surface treatment to at least the surface of the first conductive layer inside the opening; and a third step of depositing a deposition layer on the first conductive layer given surface treatment in the second step.
    Type: Application
    Filed: February 25, 2009
    Publication date: June 25, 2009
    Applicant: Tohoku Pioneer Corporation
    Inventors: Shinji NAKAJIMA, Yusuke NAKAJIMA, Toshinao YUKI
  • Publication number: 20090130297
    Abstract: Disclosed are an aluminum chelate complex capable of stabilizing the degree of vacuum in a film-forming chamber in the vapor deposition step and producing efficiently a high-quality organic EL device which shows excellent reliability and durability in practical use and an organic EL device using the said aluminum chelate complex. The aluminum chelate complex useful as an organic EL material is represented by L1Al(L2)2, contains 0.6 mol % or less of a complex represented by Al(L2)3, and is obtained by reacting an aluminum alkoxide with a quinolinol derivative and then with a phenolic compound and purifying the resulting complex to a high degree. In the formulas, L1 denotes a phenolate ligand and L2 denotes a substituted quinolinolate ligand.
    Type: Application
    Filed: March 14, 2006
    Publication date: May 21, 2009
    Applicants: Nippon Steel Chemical Co.Ltd, Tohoku Pioneer Corporation
    Inventors: Shinji Matsuo, Hideyuki Furumi, Hiroshi Miyazaki, Kazuo Ishii, Toshinao Yuki, Tsuyoshi Naijo
  • Patent number: 7535164
    Abstract: A self-emission panel and a method of manufacturing a self-emission panel which can prevent emission failures from occurring due to various factors, thereby achieving a self-emission panel that is free from emission failures. The self-emission panel is manufactured by forming a first conductive layer on a substrate directly or via other layers, forming a deposition layer including a luminescent layer on the first conductive layer, and forming a second conductive layer on the deposition layer. This manufacturing method includes: a first step of forming a sectioning layer for sectioning an opening for making a emission area on the first conductive layer after the formation of the first conductive layer; a second step of applying surface treatment to at least the surface of the first conductive layer inside the opening; and a third step of depositing a deposition layer on the first conductive layer given surface treatment in the second step.
    Type: Grant
    Filed: July 13, 2006
    Date of Patent: May 19, 2009
    Assignee: Tohoku Pioneer Corporation
    Inventors: Shinji Nakajima, Yusuke Nakajima, Toshinao Yuki
  • Publication number: 20090058277
    Abstract: The new organic electroluminescent display device has a carrier-transporting layer and/or an organic luminous layer composed of a nematic liquid crystal or a liquid crystal dispersing a carrier-transporting low-molecule therein. When the organic luminous layer is to be bestowed with faculty as a liquid crystal, it is made of a nematic liquid crystal. Both the carrier-transporting layer and the organic luminous layer may be bestowed with faculty as a liquid crystal. Since the liquid crystal is incorporated in the carrier-transporting layer and/or the organic luminous layer, the display device can be driven as a liquid crystal display device in a dark place by charging with a voltage lower than a light emission initiating potential. Of course, it is driven as an electroluminescent display device when it is charged with a voltage higher than the light emission initiating potential. Use of an electroluminescent liquid crystal as a organic luminous layer enables omission of a carrier-transporting layer.
    Type: Application
    Filed: August 21, 2008
    Publication date: March 5, 2009
    Applicant: Tohoku Pioneer Corporation
    Inventors: Junji Kido, Hitoshi Nakada, Teruo Tohma, Ryuji Murayama, Toshinao Yuki
  • Publication number: 20090026943
    Abstract: An optical device is provided which is capable of emitting light of a predetermined color (mixed color) other than the intrinsic colors of light emitting layers from each pixel, with a simple design, and with a reduced number of drive lines (electrodes) to achieve the predetermined color (mixed color). The optical device 1 includes one or a plurality of self light emitting elements 100, each one of which corresponds to one pixel 10 that includes a pair of electrodes 3 and 8 formed on a substrate 2 and at least a light emitting layer 6 between the electrodes. The light emitting layer 6 includes a first light emitting layer 61 that at least emits light of a first color and a second light emitting layer 62 that emits light of a second color that is different from the first color in each pixel 10. There are a first light emitting region 161 that emits light of the first color and a second light emitting region 162 that emits light of the second color within the same opening 11 of each pixel 10.
    Type: Application
    Filed: January 27, 2006
    Publication date: January 29, 2009
    Inventor: Toshinao Yuki
  • Patent number: 7416463
    Abstract: A panel substrate which has an improved surface flatness so as to prevent a reduced display performance of a display panel. The panel substrate of the invention comprises a substrate member, a polish processing layer formed through wet film formation on or above the substrate member, and a polished surface formed as the surface of the polish processing layer.
    Type: Grant
    Filed: January 31, 2005
    Date of Patent: August 26, 2008
    Assignee: Tohoku Pioneer Corporation
    Inventors: Isamu Ohshita, Toshinao Yuki
  • Publication number: 20070164257
    Abstract: The new organic electroluminescent display device has a carrier-transporting layer and/or an organic luminous layer composed of a nematic liquid crystal or a liquid crystal dispersing a carrier-transporting low-molecule therein. When the organic luminous layer is to be bestowed with faculty as a liquid crystal, it is made of a nematic liquid crystal. Both the carrier-transporting layer and the organic luminous layer may be bestowed with faculty as a liquid crystal. Since the liquid crystal is incorporated in the carrier-transporting layer and/or the organic luminous layer, the display device can be driven as a liquid crystal display device in a dark place by charging with a voltage lower than a light emission initiating potential. Of course, it is driven as an electroluminescent display device when it is charged with a voltage higher than the light emission initiating potential. Use of an electroluminescent liquid crystal as a organic luminous layer enables omission of a carrier-transporting layer.
    Type: Application
    Filed: February 15, 2007
    Publication date: July 19, 2007
    Inventors: Junji Kido, Hitoshi Nakada, Teruo Tohma, Ryuji Murayama, Toshinao Yuki
  • Publication number: 20070075625
    Abstract: The objects of the present invention are to provide a self-emission panel capable of achieving low electrical resistance of upper electrodes by a simple configuration, and to provide a method of fabricating a self-emission panel capable of achieving low electrical resistance of upper electrodes by a simple process. A self-emission panel includes one or more self-emission elements, each of the self-emission elements has a first electrode (lower electrode) formed on a substrate directly or through other layers, a deposition layer (luminescent functional layer) including a luminescent layer formed on the first electrode (lower electrode), and a second electrode (upper electrode) formed on the deposition layer. A sealing member for sealing the self-emission elements has an opposing substrate with protrusions formed toward the substrate on the side facing the substrate.
    Type: Application
    Filed: October 4, 2006
    Publication date: April 5, 2007
    Inventor: Toshinao Yuki