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).
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Publication number: 20240049545Abstract: 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: ApplicationFiled: October 17, 2023Publication date: February 8, 2024Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
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Patent number: 11825716Abstract: 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: GrantFiled: April 4, 2022Date of Patent: November 21, 2023Assignee: Japan Display Inc.Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
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Publication number: 20220231114Abstract: 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: ApplicationFiled: April 4, 2022Publication date: July 21, 2022Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
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Patent number: 11329123Abstract: 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: GrantFiled: June 2, 2020Date of Patent: May 10, 2022Assignee: Japan Display Inc.Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
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Patent number: 11111572Abstract: 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: GrantFiled: November 25, 2019Date of Patent: September 7, 2021Assignee: Japan Display Inc.Inventors: Noriyoshi Kanda, Takeshi Ookawara, Mitsugu Tamekawa
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Publication number: 20200295118Abstract: 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: ApplicationFiled: June 2, 2020Publication date: September 17, 2020Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
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Patent number: 10707294Abstract: 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: GrantFiled: May 30, 2019Date of Patent: July 7, 2020Assignee: Japan Display Inc.Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
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Publication number: 20200095668Abstract: 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: ApplicationFiled: November 25, 2019Publication date: March 26, 2020Inventors: Noriyoshi KANDA, Takeshi OOKAWARA, Mitsugu TAMEKAWA
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Publication number: 20190352765Abstract: 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: ApplicationFiled: July 31, 2019Publication date: November 21, 2019Applicant: Japan Display Inc.Inventors: Keisuke ONO, Atsushi TAKEDA, Tetsuyuki YAMADA, Mototsugu NARIYA, Mitsugu TAMEKAWA, Takeshi OOKAWARA, Naoto HIRASAKA, Taiki WATANABE
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Patent number: 10450646Abstract: 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: GrantFiled: June 18, 2018Date of Patent: October 22, 2019Assignee: Japan Display Inc.Inventors: Toshihiro Sato, Takeshi Ookawara
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Publication number: 20190280078Abstract: 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: ApplicationFiled: May 30, 2019Publication date: September 12, 2019Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
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Patent number: 10347708Abstract: 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: GrantFiled: October 31, 2017Date of Patent: July 9, 2019Assignee: Japan Display Inc.Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
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Publication number: 20180298482Abstract: 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: ApplicationFiled: June 18, 2018Publication date: October 18, 2018Inventors: Toshihiro SATO, Takeshi OOKAWARA
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Patent number: 10023950Abstract: 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: GrantFiled: October 5, 2015Date of Patent: July 17, 2018Assignee: Japan Display Inc.Inventors: Toshihiro Sato, Takeshi Ookawara
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Publication number: 20180061928Abstract: 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: ApplicationFiled: October 31, 2017Publication date: March 1, 2018Inventors: Kouhei TAKAHASHI, Hirotsugu SAKAMOTO, Takeshi OOKAWARA, Toshihiro SATO
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Patent number: 9871092Abstract: 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: GrantFiled: February 15, 2017Date of Patent: January 16, 2018Assignee: Japan Display Inc.Inventors: Takeshi Ookawara, Toshihiro Sato, Hiroshi Oooka, Kouhei Takahashi
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Patent number: 9831299Abstract: 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: GrantFiled: August 23, 2016Date of Patent: November 28, 2017Assignee: Japan Display Inc.Inventors: Kouhei Takahashi, Hirotsugu Sakamoto, Takeshi Ookawara, Toshihiro Sato
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Publication number: 20170275749Abstract: 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: ApplicationFiled: October 5, 2015Publication date: September 28, 2017Inventors: Toshihiro SATO, Takeshi OOKAWARA
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Publication number: 20170162645Abstract: 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: ApplicationFiled: February 15, 2017Publication date: June 8, 2017Inventors: Takeshi OOKAWARA, Toshihiro SATO, Hiroshi OOOKA, Kouhei TAKAHASHI
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Patent number: 9639229Abstract: 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: GrantFiled: December 29, 2015Date of Patent: May 2, 2017Assignees: Japan Display Inc., Panasonic Liquid Crystal Display Co., Ltd.Inventors: Takeshi Ookawara, Noriharu Matsudate