Patents by Inventor Kentaro Agata

Kentaro Agata 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: 11988462
    Abstract: A heat exchanger is provided. The heat exchanger includes a configuration in which a heat transfer tube having a flat shape passes through a plurality of fins, and capable of securing drainage performance of condensed water retained on a surface of the heat transfer tube while improving a heat transfer rate, and further capable of suppressing an increase in ventilation resistance. The heat exchanger includes a heat transfer tube formed in a flat shape, and a plurality of fins, and a refrigerant flowing inside the heat transfer tube exchanges heat with air flowing between the plurality of fins. The fin includes a heat transfer expansion surface including a peak portion and a valley portion provided along an air flow direction, and a drain structure provided to overlap the heat transfer expansion surface.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: May 21, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yo Agata, Hyunyoung Kim, Kentaro Imagawa, Takeshi Takahara
  • Patent number: 11976855
    Abstract: A heat exchanger and an air conditioner including the same. The heat exchanger includes a plurality of heat transfer tubes formed in a flat shape and configured to allow a refrigerant to flow in a vertical direction therein. The heat transfer tube includes a gas refrigerant region including one end connected to a refrigerant inlet port and another end disposed above the refrigerant inlet port; a two-phase refrigerant region including one end connected to the other end of the gas refrigerant region and another end disposed below a refrigerant outlet port; and a liquid refrigerant region including one end connected to the other end of the two-phase refrigerant region and another end connected to the refrigerant outlet port.
    Type: Grant
    Filed: November 13, 2020
    Date of Patent: May 7, 2024
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyunyoung Kim, Yo Agata, Kentaro Imagawa, Tadahiro Nakagawa, Takeshi Takahara
  • Patent number: 11809031
    Abstract: A display device includes a substrate, a display region in which a plurality of pixels are provided on the substrate and that has a first side, a second side, a third side, a fourth side, and a plurality of curved portions, a peripheral region located between an end portion of the substrate and the display region, a plurality of scan lines extending in a first direction, a plurality of signal lines extending in a second direction, at least one gate driver arranged in the peripheral region and coupled to the scan lines, a signal line coupling circuit arranged in the peripheral region and coupled to the signal lines, a plurality of terminals aligned in the peripheral region, and a plurality of wiring lines coupling the terminals and the signal line coupling circuit.
    Type: Grant
    Filed: March 3, 2021
    Date of Patent: November 7, 2023
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kazune Matsumura, Gen Koide, Kentaro Agata
  • Publication number: 20230260436
    Abstract: An inspection circuit is properly protected in a display device, which the driver IC is not on the terminal area. A liquid crystal display device comprising a TFT substrate having a display area, in which video signal lines are formed, and a terminal area; a counter substrate overlapping with the display area of the TFT substrate; the counter substrate and the TFT substrate are adhered by the seal material, the display area is formed in an area surrounded by the seal material; wherein the flexible wiring circuit substrate connects to the terminal area, the driver IC, which supplies video signals to the video signal lines, is not installed in the terminal area, the inspection circuit is formed between the display area and the terminal area, wherein the inspection circuit overlaps with the counter substrate in a plan view.
    Type: Application
    Filed: April 27, 2023
    Publication date: August 17, 2023
    Applicant: Japan Display Inc.
    Inventors: Hiroyuki ABE, Kentaro AGATA
  • Publication number: 20230251539
    Abstract: It is possible to reduce a size of a lower frame region to ensure a wiring corrosion margin equivalent to that of a conventional technique. In a display device, a video signal wiring arranged in the lower frame region includes, in a region between a terminal section (terminal) and a video signal line, a first wiring formed on a first wiring layer and having one end connected to the terminal section to which a video signal line driving circuit is connected, a second wiring formed on a second wiring layer different from the first wiring layer and having one end connected to the other end of the first wiring, and a third wiring formed on the first wiring layer and having one end connected to the other end of the second wiring. The other end of the third wiring is connected to the video signal line via a fourth wiring formed on the second wiring layer, and the first wiring layer is formed on the side closer to an array substrate than to the second wiring layer.
    Type: Application
    Filed: April 18, 2023
    Publication date: August 10, 2023
    Applicant: Japan Display Inc.
    Inventors: Hiroyuki ABE, Kentaro AGATA
  • Patent number: 11719982
    Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: August 8, 2023
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kentaro Agata, Masaki Murase, Kazune Matsumura
  • Patent number: 11670203
    Abstract: An inspection circuit is properly protected in a display device, in which a driver IC is not on a terminal area. A liquid crystal display device includes a TFT substrate including a display area, in which video signal lines are formed, and a terminal area. A counter substrate overlaps with the display area of the TFT substrate. The counter substrate and the TFT substrate are adhered by a seal material, and the display area is formed in an area surrounded by the seal material. The flexible wiring circuit substrate connects to the terminal area. The driver IC, which supplies video signals to the video signal lines, is not installed in the terminal area. An inspection circuit is formed between the display area and the terminal area, and the inspection circuit overlaps with the counter substrate in a plan view.
    Type: Grant
    Filed: March 2, 2021
    Date of Patent: June 6, 2023
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kentaro Agata
  • Patent number: 11662637
    Abstract: It is possible to reduce a size of a lower frame region to ensure a wiring corrosion margin equivalent to that of a conventional technique. In a display device, a video signal wiring arranged in the lower frame region includes, in a region between a terminal section (terminal) and a video signal line, a first wiring formed on a first wiring layer and having one end connected to the terminal section to which a video signal line driving circuit is connected, a second wiring formed on a second wiring layer different from the first wiring layer and having one end connected to the other end of the first wiring, and a third wiring formed on the first wiring layer and having one end connected to the other end of the second wiring. The other end of the third wiring is connected to the video signal line via a fourth wiring formed on the second wiring layer, and the first wiring layer is formed on the side closer to an array substrate than to the second wiring layer.
    Type: Grant
    Filed: March 4, 2021
    Date of Patent: May 30, 2023
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kentaro Agata
  • Publication number: 20220107526
    Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.
    Type: Application
    Filed: December 16, 2021
    Publication date: April 7, 2022
    Inventors: Hiroyuki ABE, Kentaro AGATA, Masaki MURASE, Kazune MATSUMURA
  • Patent number: 11231627
    Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.
    Type: Grant
    Filed: October 19, 2020
    Date of Patent: January 25, 2022
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kentaro Agata, Masaki Murase, Kazune Matsumura
  • Publication number: 20210191209
    Abstract: It is possible to reduce a size of a lower frame region to ensure a wiring corrosion margin equivalent to that of a conventional technique. In a display device, a video signal wiring arranged in the lower frame region includes, in a region between a terminal section (terminal) and a video signal line, a first wiring formed on a first wiring layer and having one end connected to the terminal section to which a video signal line driving circuit is connected, a second wiring formed on a second wiring layer different from the first wiring layer and having one end connected to the other end of the first wiring, and a third wiring formed on the first wiring layer and having one end connected to the other end of the second wiring. The other end of the third wiring is connected to the video signal line via a fourth wiring formed on the second wiring layer, and the first wiring layer is formed on the side closer to an array substrate than to the second wiring layer.
    Type: Application
    Filed: March 4, 2021
    Publication date: June 24, 2021
    Applicant: Japan Display Inc.
    Inventors: Hiroyuki ABE, Kentaro AGATA
  • Publication number: 20210181568
    Abstract: A display device includes a substrate, a display region in which a plurality of pixels are provided on the substrate and that has a first side, a second side, a third side, a fourth side, and a plurality of curved portions, a peripheral region located between an end portion of the substrate and the display region, a plurality of scan lines extending in a first direction, a plurality of signal lines extending in a second direction, at least one gate driver arranged in the peripheral region and coupled to the scan lines, a signal line coupling circuit arranged in the peripheral region and coupled to the signal lines, a plurality of terminals aligned in the peripheral region, and a plurality of wiring lines coupling the terminals and the signal line coupling circuit.
    Type: Application
    Filed: March 3, 2021
    Publication date: June 17, 2021
    Inventors: Hiroyuki ABE, Kazune MATSUMURA, Gen KOIDE, Kentaro AGATA
  • Publication number: 20210183286
    Abstract: An inspection circuit is properly protected in a display device, which the driver IC is not on the terminal area. A liquid crystal display device comprising a TFT substrate having a display area, in which video signal lines are formed, and a terminal area; a counter substrate overlapping with the display area of the TFT substrate; the counter substrate and the TFT substrate are adhered by the seal material, the display area is formed in an area surrounded by the seal material; wherein the flexible wiring circuit substrate connects to the terminal area, the driver IC, which supplies video signals to the video signal lines, is not installed in the terminal area, the inspection circuit is formed between the display area and the terminal area, wherein the inspection circuit overlaps with the counter substrate in a plan view.
    Type: Application
    Filed: March 2, 2021
    Publication date: June 17, 2021
    Applicant: Japan Display Inc.
    Inventors: Hiroyuki ABE, Kentaro AGATA
  • Patent number: 10976624
    Abstract: It is possible to reduce a size of a lower frame region to ensure a wiring corrosion margin equivalent to that of a conventional technique. In a display device, a video signal wiring arranged in the lower frame region includes, in a region between a terminal section (terminal) and a video signal line, a first wiring formed on a first wiring layer and having one end connected to the terminal section to which a video signal line driving circuit is connected, a second wiring formed on a second wiring layer different from the first wiring layer and having one end connected to the other end of the first wiring, and a third wiring formed on the first wiring layer and having one end connected to the other end of the second wiring. The other end of the third wiring is connected to the video signal line via a fourth wiring formed on the second wiring layer, and the first wiring layer is formed on the side closer to an array substrate than to the second wiring layer.
    Type: Grant
    Filed: January 28, 2020
    Date of Patent: April 13, 2021
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kentaro Agata
  • Patent number: 10977974
    Abstract: An inspection circuit is properly protected in a display device, which the driver IC is not on the terminal area. A liquid crystal display device comprising a TFT substrate having a display area, in which video signal lines are formed, and a terminal area; a counter substrate overlapping with the display area of the TFT substrate; the counter substrate and the TFT substrate are adhered by the seal material, the display area is formed in an area surrounded by the seal material; wherein the flexible wiring circuit substrate connects to the terminal area, the driver IC, which supplies video signals to the video signal lines, is not installed in the terminal area, the inspection circuit is formed between the display area and the terminal area, wherein the inspection circuit overlaps with the counter substrate in a plan view.
    Type: Grant
    Filed: January 7, 2020
    Date of Patent: April 13, 2021
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kentaro Agata
  • Publication number: 20210033910
    Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent, conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.
    Type: Application
    Filed: October 19, 2020
    Publication date: February 4, 2021
    Inventors: Hiroyuki ABE, Kentaro Agata, Masaki Murase, Kazune Matsumura
  • Patent number: 10845655
    Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: November 24, 2020
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kentaro Agata, Masaki Murase, Kazune Matsumura
  • Publication number: 20200241347
    Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Inventors: Hiroyuki ABE, Kentaro AGATA, Masaki MURASE, Kazune MATSUMURA
  • Publication number: 20200166816
    Abstract: It is possible to reduce a size of a lower frame region to ensure a wiring corrosion margin equivalent to that of a conventional technique. In a display device, a video signal wiring arranged in the lower frame region includes, in a region between a terminal section (terminal) and a video signal line, a first wiring formed on a first wiring layer and having one end connected to the terminal section to which a video signal line driving circuit is connected, a second wiring formed on a second wiring layer different from the first wiring layer and having one end connected to the other end of the first wiring, and a third wiring formed on the first wiring layer and having one end connected to the other end of the second wiring. The other end of the third wiring is connected to the video signal line via a fourth wiring formed on the second wiring layer, and the first wiring layer is formed on the side closer to an array substrate than to the second wiring layer.
    Type: Application
    Filed: January 28, 2020
    Publication date: May 28, 2020
    Applicant: Japan Display Inc.
    Inventors: Hiroyuki ABE, Kentaro AGATA
  • Patent number: 10656479
    Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.
    Type: Grant
    Filed: September 13, 2018
    Date of Patent: May 19, 2020
    Assignee: Japan Display Inc.
    Inventors: Hiroyuki Abe, Kentaro Agata, Masaki Murase, Kazune Matsumura