Patents by Inventor Takeshi Ookawara

Takeshi Ookawara 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: 20240049545
    Abstract: OLED display panel is provided which can control the problem of shedding even high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 provided on substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.
    Type: Application
    Filed: October 17, 2023
    Publication date: February 8, 2024
    Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
  • Patent number: 11825716
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.
    Type: Grant
    Filed: April 4, 2022
    Date of Patent: November 21, 2023
    Assignee: Japan Display Inc.
    Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
  • Publication number: 20220231114
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.
    Type: Application
    Filed: April 4, 2022
    Publication date: July 21, 2022
    Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
  • Patent number: 11329123
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a 3a.
    Type: Grant
    Filed: June 2, 2020
    Date of Patent: May 10, 2022
    Assignee: Japan Display Inc.
    Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
  • Patent number: 11111572
    Abstract: A vapor deposition mask includes a frame and a metal film supported by the frame, wherein the metal film includes a mask region arranged with a plurality of pixel opening parts corresponding to a display region of a display device, and an alignment region arranged in a periphery of the mask region, the alignment region includes a first opening part and a plurality of second opening parts arranged in a periphery of the first opening part, and a maximum width of the second opening part is smaller than a maximum width of the first opening part.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: September 7, 2021
    Assignee: Japan Display Inc.
    Inventors: Noriyoshi Kanda, Takeshi Ookawara, Mitsugu Tamekawa
  • Publication number: 20200295118
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible pr me substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a 3a.
    Type: Application
    Filed: June 2, 2020
    Publication date: September 17, 2020
    Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
  • Patent number: 10707294
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.
    Type: Grant
    Filed: May 30, 2019
    Date of Patent: July 7, 2020
    Assignee: Japan Display Inc.
    Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
  • Publication number: 20200095668
    Abstract: A vapor deposition mask includes a frame and a metal film supported by the frame, wherein the metal film includes a mask region arranged with a plurality of pixel opening parts corresponding to a display region of a display device, and an alignment region arranged in a periphery of the mask region, the alignment region includes a first opening part and a plurality of second opening parts arranged in a periphery of the first opening part, and a maximum width of the second opening part is smaller than a maximum width of the first opening part.
    Type: Application
    Filed: November 25, 2019
    Publication date: March 26, 2020
    Inventors: Noriyoshi KANDA, Takeshi OOKAWARA, Mitsugu TAMEKAWA
  • Publication number: 20190352765
    Abstract: A deposition mask according to an embodiment of the present invention includes: a mask main body including a pattern portion formed with a pattern opening, and a frame portion surrounding the pattern portion; a mask frame supporting the frame portion of the mask main body; and an intermediate member having a shape corresponding to the mask frame, the intermediate member being disposed between the mask main body and the mask frame. The mask main body and a first face of the intermediate member are joined together, and the mask frame and a face of the intermediate member on the side opposite to the first face are joined together.
    Type: Application
    Filed: July 31, 2019
    Publication date: November 21, 2019
    Applicant: Japan Display Inc.
    Inventors: Keisuke ONO, Atsushi TAKEDA, Tetsuyuki YAMADA, Mototsugu NARIYA, Mitsugu TAMEKAWA, Takeshi OOKAWARA, Naoto HIRASAKA, Taiki WATANABE
  • Patent number: 10450646
    Abstract: The purpose is providing a vapor deposition mask with high rigidity which can evaporate a uniform thickness film. A vapor deposition mask including a mask body having a main opening, a side surface of the main opening, an upper surface intersecting the side surface, and a lower surface opposing the upper surface, a first insulator contacting the lower surface, and a second insulator contacting the upper and side surfaces, wherein the first insulator includes a first region inside the main opening, and a first opening in the first region, the second insulator includes a second region inside the main opening, and a second opening in the second region, the mask body is sandwiched between the first and second insulators, and one of the first and second insulators includes a region located inside the main opening more centrally than the other and not overlapping with the other and the mask body.
    Type: Grant
    Filed: June 18, 2018
    Date of Patent: October 22, 2019
    Assignee: Japan Display Inc.
    Inventors: Toshihiro Sato, Takeshi Ookawara
  • Publication number: 20190280078
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.
    Type: Application
    Filed: May 30, 2019
    Publication date: September 12, 2019
    Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
  • Patent number: 10347708
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.
    Type: Grant
    Filed: October 31, 2017
    Date of Patent: July 9, 2019
    Assignee: Japan Display Inc.
    Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
  • Publication number: 20180298482
    Abstract: The purpose is providing a vapor deposition mask with high rigidity which can evaporate a uniform thickness film. A vapor deposition mask including a mask body having a main opening, a side surface of the main opening, an upper surface intersecting the side surface, and a lower surface opposing the upper surface, a first insulator contacting the lower surface, and a second insulator contacting the upper and side surfaces, wherein the first insulator includes a first region inside the main opening, and a first opening in the first region, the second insulator includes a second region inside the main opening, and a second opening in the second region, the mask body is sandwiched between the first and second insulators, and one of the first and second insulators includes a region located inside the main opening more centrally than the other and not overlapping with the other and the mask body.
    Type: Application
    Filed: June 18, 2018
    Publication date: October 18, 2018
    Inventors: Toshihiro SATO, Takeshi OOKAWARA
  • Patent number: 10023950
    Abstract: The purpose is providing a vapor deposition mask with high rigidity which can evaporate a uniform thickness film. A vapor deposition mask including a mask body having a main opening, a side surface of the main opening, an upper surface intersecting the side surface, and a lower surface opposing the upper surface, a first insulator contacting the lower surface, and a second insulator contacting the upper and side surfaces, wherein the first insulator includes a first region inside the main opening, and a first opening in the first region, the second insulator includes a second region inside the main opening, and a second opening in the second region, the mask body is sandwiched between the first and second insulators, and one of the first and second insulators includes a region located inside the main opening more centrally than the other and not overlapping with the other and the mask body.
    Type: Grant
    Filed: October 5, 2015
    Date of Patent: July 17, 2018
    Assignee: Japan Display Inc.
    Inventors: Toshihiro Sato, Takeshi Ookawara
  • Publication number: 20180061928
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15i provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal turns 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2.
    Type: Application
    Filed: October 31, 2017
    Publication date: March 1, 2018
    Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
  • Patent number: 9871092
    Abstract: A display device includes contact holes opened in an insulating film outside of a display area in which pixels are arranged, and having a conductive film exposed in bottom portions, a first metal film formed to cover the contact holes and come in contact with the conductive film of the bottom portions, and a transparent conductive film formed on the first metal film.
    Type: Grant
    Filed: February 15, 2017
    Date of Patent: January 16, 2018
    Assignee: Japan Display Inc.
    Inventors: Takeshi Ookawara, Toshihiro Sato, Hiroshi Oooka, Kouhei Takahashi
  • Patent number: 9831299
    Abstract: An OLED display panel is provided which can control the problem of shedding even in high definition panels. Metal wiring 5 which conducts with an earth line of a flexible printed substrate 15 is provided on a substrate 1. A display area 2 comprised from a plurality of OLED elements is provided at the center of the substrate 1 and four low resistance metal films 3 are provided along each of four edges of the display area 2 on a surface of insulation films 8, 10 at the periphery of the display area 2. Among these, one low resistance metal film 3 conducts with the metal wiring 5 via a contact 3a.
    Type: Grant
    Filed: August 23, 2016
    Date of Patent: November 28, 2017
    Assignee: Japan Display Inc.
    Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
  • Publication number: 20170275749
    Abstract: The purpose is providing a vapor deposition mask with high rigidity which can evaporate a uniform thickness film. A vapor deposition mask including a mask body having a main opening, a side surface of the main opening, an upper surface intersecting the side surface, and a lower surface opposing the upper surface, a first insulator contacting the lower surface, and a second insulator contacting the upper and side surfaces, wherein the first insulator includes a first region inside the main opening, and a first opening in the first region, the second insulator includes a second region inside the main opening, and a second opening in the second region, the mask body is sandwiched between the first and second insulators, and one of the first and second insulators includes a region located inside the main opening more centrally than the other and not overlapping with the other and the mask body.
    Type: Application
    Filed: October 5, 2015
    Publication date: September 28, 2017
    Inventors: Toshihiro SATO, Takeshi OOKAWARA
  • Publication number: 20170162645
    Abstract: A display device includes contact holes opened in an insulating film outside of a display area in which pixels are arranged, and having a conductive film exposed in bottom portions, a first metal film formed to cover the contact holes and come in contact with the conductive film of the bottom portions, and a transparent conductive film formed on the first metal film.
    Type: Application
    Filed: February 15, 2017
    Publication date: June 8, 2017
    Inventors: Takeshi OOKAWARA, Toshihiro SATO, Hiroshi OOOKA, Kouhei TAKAHASHI
  • Patent number: 9639229
    Abstract: A display device with a touch panel includes the touch panel having a first substrate having a detection area to detect a coordinate and an outside area in which at least one external terminal is formed, a plurality of first lines to detect the coordinate in the detection area, a plurality of second lines to detect the coordinate in the detection area, wherein each of the plurality of first lines traverse each of the plurality of second lines. An organic emitting display panel is arranged under the touch panel, and a circular polarizing plate arranged at a side of the touch panel opposite to the organic emitting display panel. The organic emitting display panel, the touch panel, and the circular polarizing plate are arranged in this order.
    Type: Grant
    Filed: December 29, 2015
    Date of Patent: May 2, 2017
    Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Takeshi Ookawara, Noriharu Matsudate