Patents by Inventor Yasuharu Shinokawa

Yasuharu Shinokawa 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: 11678539
    Abstract: A display unit includes a substrate including a pixel region including a plurality of pixels and a peripheral region. The display unit includes a plurality of first electrodes, wherein each of the plurality of first electrodes is in a corresponding pixel of the plurality of pixels. The display unit includes a second electrode opposed to the first electrode, wherein the second electrode is common for all of the plurality of pixels. The display unit includes an organic layer between the second electrode and the plurality of first electrodes, wherein the organic layer includes a light-emitting layer. The display unit includes a wiring layer between the substrate and the plurality of first electrodes. The display unit includes an auxiliary electrically-conductive layer including an organic electrically-conductive material, wherein the auxiliary electrically-conductive layer is electrically coupled to the second electrode. The auxiliary electrically-conductive layer is in a recess in the wiring layer.
    Type: Grant
    Filed: November 24, 2021
    Date of Patent: June 13, 2023
    Assignee: JOLED INC.
    Inventors: Yasuhiro Terai, Yasuharu Shinokawa, Jiro Yamada, Atsuhito Murai, Masahiko Kondo, Noriteru Maeda
  • Publication number: 20220254846
    Abstract: An organic electro luminescence display panel includes pixel electrodes, a plurality of elongated column banks, a missing portion at which part of the elongated column banks does not exist, a pair of repair banks formed, above the pixel electrodes, in each of two gaps between a column bank that has the missing portion and column banks adjacent on opposite sides in a row direction of the column bank, a light emitting layer composed of an application film formed in each of gaps between the plurality of column banks, and a common electrode provided above the light emitting layer.
    Type: Application
    Filed: February 6, 2020
    Publication date: August 11, 2022
    Inventors: Yasuharu SHINOKAWA, Kazuhiro UMEZU, Daisuke ISHIKAWA, Yasuhiro KAWAKATSU
  • Publication number: 20220085139
    Abstract: A display unit includes a substrate including a pixel region including a plurality of pixels and a peripheral region. The display unit includes a plurality of first electrodes, wherein each of the plurality of first electrodes is in a corresponding pixel of the plurality of pixels. The display unit includes a second electrode opposed to the first electrode, wherein the second electrode is common for all of the plurality of pixels. The display unit includes an organic layer between the second electrode and the plurality of first electrodes, wherein the organic layer includes a light-emitting layer. The display unit includes a wiring layer between the substrate and the plurality of first electrodes. The display unit includes an auxiliary electrically-conductive layer including an organic electrically-conductive material, wherein the auxiliary electrically-conductive layer is electrically coupled to the second electrode. The auxiliary electrically-conductive layer is in a recess in the wiring layer.
    Type: Application
    Filed: November 24, 2021
    Publication date: March 17, 2022
    Inventors: Yasuhiro TERAI, Yasuharu SHINOKAWA, Jiro YAMADA, Atsuhito MURAI, Masahiko KONDO, Noriteru MAEDA
  • Patent number: 11217650
    Abstract: A display unit includes a substrate, a first electrode, a second electrode, an organic layer, and an auxiliary electrically-conductive layer. The substrate includes a pixel region including a plurality of pixels and a peripheral region outside the pixel region. The first electrode is provided for each of the plurality of pixels in the pixel region on the substrate. The second electrode is opposed to the first electrode, and is provided common for the plurality of pixels. The organic layer is provided between the second electrode and the first electrode, and includes a light-emitting layer. The auxiliary electrically-conductive layer includes an organic electrically-conductive material, and the auxiliary electrically-conductive layer is disposed in the pixel region on the substrate and is electrically coupled to the second electrode.
    Type: Grant
    Filed: December 4, 2018
    Date of Patent: January 4, 2022
    Assignee: JOLED INC.
    Inventors: Yasuhiro Terai, Yasuharu Shinokawa, Jiro Yamada, Atsuhito Murai, Masahiko Kondo, Noriteru Maeda
  • Patent number: 10937988
    Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: March 2, 2021
    Assignee: JOLED INC.
    Inventors: Masaki Nishimura, Hiroyuki Ajiki, Shuhei Yada, Yasuharu Shinokawa
  • Publication number: 20200144533
    Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
    Type: Application
    Filed: December 23, 2019
    Publication date: May 7, 2020
    Inventors: Masaki NISHIMURA, Hiroyuki AJIKI, Shuhei YADA, Yasuharu SHINOKAWA
  • Publication number: 20200006661
    Abstract: A patterning device performs patterning in manufacture of a display panel in which thin films including an organic film are laminated above a substrate. The patterning device includes a chamber, light transmissive plates, and a laser emitter. The chamber has a light transmissive window including a first light transmissive plate through which a laser beam is transmitted and accommodates a thin film laminated substrate. A second light transmissive plate through which the laser beam is transmitted is in the chamber between the first light transmissive plate and the thin film laminated substrate at a position spaced away from the thin film laminated substrate. The laser emitter is outside the chamber and emits the laser beam towards the thin film laminated substrate, through the first light transmissive plate and the second light transmissive plate, to irradiate and remove a portion of the thin film.
    Type: Application
    Filed: June 26, 2019
    Publication date: January 2, 2020
    Inventors: Yasuharu SHINOKAWA, Kenichi NENDAI, Shuhei YADA, Jun YAMAGUCHI
  • Patent number: 10516133
    Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
    Type: Grant
    Filed: April 23, 2019
    Date of Patent: December 24, 2019
    Assignee: JOLED INC.
    Inventors: Masaki Nishimura, Hiroyuki Ajiki, Shuhei Yada, Yasuharu Shinokawa
  • Publication number: 20190348488
    Abstract: A display unit includes a substrate, a first electrode, a second electrode, an organic layer, and an auxiliary electrically-conductive layer. The substrate includes a pixel region including a plurality of pixels and a peripheral region outside the pixel region. The first electrode is provided for each of the plurality of pixels in the pixel region on the substrate. The second electrode is opposed to the first electrode, and is provided common for the plurality of pixels. The organic layer is provided between the second electrode and the first electrode, and includes a light-emitting layer. The auxiliary electrically-conductive layer includes an organic electrically-conductive material, and the auxiliary electrically-conductive layer is disposed in the pixel region on the substrate and is electrically coupled to the second electrode.
    Type: Application
    Filed: December 4, 2018
    Publication date: November 14, 2019
    Inventors: Yasuhiro TERAI, Yasuharu SHINOKAWA, Jiro YAMADA, Atsuhito MURAI, Masahiko KONDO, Noriteru MAEDA
  • Publication number: 20190252635
    Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
    Type: Application
    Filed: April 23, 2019
    Publication date: August 15, 2019
    Inventors: Masaki NISHIMURA, Hiroyuki AJIKI, Shuhei YADA, Yasuharu SHINOKAWA
  • Patent number: 10347865
    Abstract: An organic electroluminescence (EL) display panel includes a multi-layered wiring laminate including: a first part on which an organic EL element array is disposed and in which a first portion of a resin insulating layer is present, the resin insulating layer being a highest layer among insulating layers; a second part surrounding the first part in plan view and in which a second portion of the resin insulating layer having a bank-shape is present; and a third part disposed between the first part and the second part in plan view and having a shape of a circumferential groove in which the resin insulating layer is not present. In the third part, wiring is on an inorganic insulating layer that is lower by a layer than the resin insulating layer. The wiring on the inorganic insulating layer is spaced away from the second portion of the resin insulating layer.
    Type: Grant
    Filed: May 24, 2018
    Date of Patent: July 9, 2019
    Assignee: JOLED INC.
    Inventors: Kenji Harada, Yasuharu Shinokawa, Akifumi Okigawa, Keiji Horikawa
  • Patent number: 10319935
    Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
    Type: Grant
    Filed: April 4, 2018
    Date of Patent: June 11, 2019
    Assignee: JOLED INC.
    Inventors: Masaki Nishimura, Hiroyuki Ajiki, Shuhei Yada, Yasuharu Shinokawa
  • Publication number: 20180358572
    Abstract: An organic electroluminescence (EL) display panel includes a multi-layered wiring laminate including: a first part on which an organic EL element array is disposed and in which a first portion of a resin insulating layer is present, the resin insulating layer being a highest layer among insulating layers; a second part surrounding the first part in plan view and in which a second portion of the resin insulating layer having a bank-shape is present; and a third part disposed between the first part and the second part in plan view and having a shape of a circumferential groove in which the resin insulating layer is not present. In the third part, wiring is on an inorganic insulating layer that is lower by a layer than the resin insulating layer. The wiring on the inorganic insulating layer is spaced away from the second portion of the resin insulating layer.
    Type: Application
    Filed: May 24, 2018
    Publication date: December 13, 2018
    Inventors: Kenji HARADA, Yasuharu SHINOKAWA, Akifumi OKIGAWA, Keiji HORIKAWA
  • Publication number: 20180294428
    Abstract: An organic EL display panel includes a substrate, a plurality of pixel electrodes disposed in a matrix pattern over the substrate, a first current feeding auxiliary electrode layer disposed to extend in a column or row direction in at least one of gaps between adjacent ones of the pixel electrodes over the substrate, a second current feeding auxiliary electrode layer that contains aluminum as a main constituent and is disposed to be superposed on the first current feeding auxiliary electrode layer, a plurality of light emitting layers disposed on the plurality of pixel electrodes, and a common electrode layer disposed continuously to cover the first current feeding auxiliary electrode layer and the second current feeding auxiliary electrode layer as well as an upper side of the plurality of light emitting layers.
    Type: Application
    Filed: April 4, 2018
    Publication date: October 11, 2018
    Inventors: Masaki NISHIMURA, Hiroyuki AJIKI, Shuhei YADA, Yasuharu SHINOKAWA
  • Patent number: 10032802
    Abstract: A display device including: a lead wiring layer pattern 207, made from metal, that extends outside a light emission region on a substrate; a passivation layer 216 covering the lead wiring layer pattern, a contact hole 216a in the passivation layer outside the light emission region; a connecting wiring layer pattern 237 that is continuous across the passivation layer, an inner circumference of the contact hole, and the lead wiring layer pattern in the contact hole; an electrically-conductive sealing layer pattern 217 on the connecting wiring layer pattern, covering a portion of the connecting wiring layer pattern in the contact hole; an electrically-conductive upper sealing layer pattern 219 covering and in contact with a portion of the sealing layer pattern; and a contact prevention layer pattern 218, 236 between the electrically-conductive upper sealing layer pattern and a periphery of the sealing layer pattern.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: July 24, 2018
    Assignee: JOLED INC.
    Inventors: Yasuharu Shinokawa, Kenichi Nendai, Takashi Osako
  • Patent number: 10026795
    Abstract: An organic EL element including: a TFT substrate having a TAOS-TFT; and an organic EL unit having a lower electrode. The lower electrode includes an aluminum containing metal layer, a transition metal containing oxide layer disposed between the aluminum containing metal layer and the TFT substrate, and an aluminum containing oxide layer disposed between the aluminum containing metal layer and the transition metal containing oxide layer and in contact with both the aluminum containing metal layer and the transition metal containing oxide layer. The aluminum containing oxide layer contains aluminum oxide. The transition metal containing oxide layer contains tungsten oxide and has a density of 6.5 g/cm3 or more.
    Type: Grant
    Filed: May 20, 2015
    Date of Patent: July 17, 2018
    Assignee: JOLED INC.
    Inventors: Yuuki Abe, Kazuhiro Yokota, Yasuharu Shinokawa, Kou Sugano, Eiji Takeda
  • Patent number: 10020323
    Abstract: A display device including: a lead wiring layer pattern 207, made from metal, that extends outside a region 10A on a substrate in which a light-emitter is present; a passivation layer 216; a contact hole 216a in the passivation layer 216 outside the region 10A in a position over the lead wiring layer pattern 207 in plan view; a connecting wiring layer pattern 237 that is continuous across the passivation layer 216, an inner circumference of the contact hole 216a, and the lead wiring layer pattern 207 in the contact hole 216a; a sealing layer 217 covering a portion of the connecting wiring layer pattern 237 in the contact hole 216a; and an upper sealing layer pattern 219 covering the sealing layer pattern 217 that is above the connecting wiring layer pattern 237.
    Type: Grant
    Filed: April 23, 2015
    Date of Patent: July 10, 2018
    Assignee: JOLED INC.
    Inventors: Yasuharu Shinokawa, Kenichi Nendai, Takashi Osako
  • Patent number: 9825250
    Abstract: An organic EL element includes: a first electrode that is a metal layer; a transparent conductive layer containing indium zinc oxide; and a light-emitting layer, wherein the first electrode, the transparent conductive layer, and the light-emitting layer are stacked, and a ratio of zinc to indium in a vicinity of an interface of the transparent conductive layer is lower than or equal to 0.25, the interface being closer to the light-emitting layer.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: November 21, 2017
    Assignee: JOLED INC.
    Inventors: Kazuhiro Yokota, Yuuki Abe, Yasuharu Shinokawa, Kosuke Mishima
  • Patent number: 9773848
    Abstract: An organic EL display panel including: a substrate; banks linearly extending along one direction above the substrate; pixel electrodes spaced away from one another along the one direction, in each of first and second spaces among spaces defined by the banks; a light-emitting layer covering each pixel electrode in each of the first and second spaces; and a sub-bank crossing the one direction at least in the first space, and when defining each light-emitting layer portion covering a pixel electrode as a light-emitting portion and defining each area between light-emitting portions adjacent in the one direction as a non-light-emitting portion, a positive integer N exists for which the following holds true: among Nth non-light-emitting portions counting from one side along the one direction, the Nth non-light-emitting portion in the first space has the sub-bank and the Nth non-light-emitting portion in the second space does not have the sub-bank.
    Type: Grant
    Filed: October 3, 2014
    Date of Patent: September 26, 2017
    Assignee: JOLED INC.
    Inventors: Yasuharu Shinokawa, Kenichi Nendai, Hiroyoshi Takezawa
  • Publication number: 20170092710
    Abstract: An organic EL element including: a TFT substrate having a TAOS-TFT; and an organic EL unit having a lower electrode. The lower electrode includes an aluminum containing metal layer, a transition metal containing oxide layer disposed between the aluminum containing metal layer and the TFT substrate, and an aluminum containing oxide layer disposed between the aluminum containing metal layer and the transition metal containing oxide layer and in contact with both the aluminum containing metal layer and the transition metal containing oxide layer. The aluminum containing oxide layer contains aluminum oxide. The transition metal containing oxide layer contains tungsten oxide and has a density of 6.5 g/cm3 or more.
    Type: Application
    Filed: May 20, 2015
    Publication date: March 30, 2017
    Inventors: Yuuki ABE, Kazuhiro YOKOTA, Yasuharu SHINOKAWA, Kou SUGANO, Eiji TAKEDA