Patents by Inventor Tomoharu NOTOSHI

Tomoharu NOTOSHI 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: 20210157203
    Abstract: A display device includes a liquid crystal display (LCD) panel, a rear frame, a light guide plate, and a light emitting diode (LED) substrate. The LED substrate includes a first substrate portion, a second substrate portion, a plurality of LEDs mounted to the first substrate portion, and a power connector mounted to the second substrate portion. The first substrate portion extends in a first direction along a first side of the light guide plate that faces the first sidewall of the rear frame. The second substrate portion extends in a second direction along a second side of the light guide plate that faces the second sidewall of the rear frame. A backlight unit for a display device includes a light guide plate and a LED substrate.
    Type: Application
    Filed: November 26, 2019
    Publication date: May 27, 2021
    Inventors: Ryosuke YABUKI, Tomoharu NOTOSHI, Naoki SATO
  • Patent number: 11016338
    Abstract: A display device includes a liquid crystal display (LCD) panel, a rear frame, a light guide plate, and a light emitting diode (LED) substrate. The LED substrate includes a first substrate portion, a second substrate portion, a plurality of LEDs mounted to the first substrate portion, and a power connector mounted to the second substrate portion. The first substrate portion extends in a first direction along a first side of the light guide plate that faces the first sidewall of the rear frame. The second substrate portion extends in a second direction along a second side of the light guide plate that faces the second sidewall of the rear frame. A backlight unit for a display device includes a light guide plate and a LED substrate.
    Type: Grant
    Filed: November 26, 2019
    Date of Patent: May 25, 2021
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Ryosuke Yabuki, Tomoharu Notoshi, Naoki Sato
  • Patent number: 10908456
    Abstract: A backlight module for a liquid crystal display includes: LEDs; LED drivers; a controller that outputs data and the latch signal to the LED drivers; data lines for transmitting the data; and latch signal lines for transmitting the latch signal. The latch signal lines are wired according to each of a plurality of first groups obtained by dividing LED drivers. The data lines are wired according to each of a plurality of second groups, which are constructed with a collection of at least one LED driver selected from each of the plurality of first groups without duplication, and each data line is commonly connected to at least one LED belonging to the corresponding second group.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: February 2, 2021
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Tomoharu Notoshi, Yasuyuki Doi
  • Publication number: 20200379298
    Abstract: A lighting device includes: a light source module having a plurality of light-emitting elements arranged two-dimensionally; a uniform luminance layer disposed on a light emission side of the light source module; and a first diffusion layer disposed between the light source module and the uniform luminance layer. The uniform luminance layer has a higher light transmittance as a distance from a point intersecting with an optical axis of each of the plurality of light-emitting elements increases.
    Type: Application
    Filed: February 3, 2020
    Publication date: December 3, 2020
    Inventors: Tomoharu NOTOSHI, Masaki TSUBOKURA
  • Patent number: 10690956
    Abstract: A liquid crystal display device is provided. The liquid crystal display device includes: a liquid crystal cell including a liquid crystal layer interposed between a pair of transparent substrates; a backlight unit behind the liquid crystal cell; a polarizer on a surface of the liquid crystal cell, the surface opposing the backlight unit; a transparent reinforcement plate that is between the liquid crystal cell and the backlight unit and supports the polarizer; and an intermediate frame, which is a middle frame, including a protrusion protruding toward a space between the backlight unit and the transparent reinforcement plate. The transparent reinforcement plate rests on the protrusion of the intermediate frame.
    Type: Grant
    Filed: September 5, 2017
    Date of Patent: June 23, 2020
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Tomoharu Notoshi, Ryosuke Yabuki
  • Patent number: 10591762
    Abstract: A method for manufacturing a liquid crystal display device including a first substrate and a second substrate, each of the first substrate and the second substrate having flexibility, the method includes a first step of manufacturing a display panel having flexibility, the display panel including the first substrate and the second substrate, a second step of bending the display panel such that a display of the display panel is constructed with a first flat surface and a second flat surface and a curved surface disposed between the first flat surface and the second flat surface, the curved surface having a predetermined curvature radius; and a third step of fixing the display panel subjected to the second step to a cover member keeping the curved surface in a given shape.
    Type: Grant
    Filed: March 29, 2018
    Date of Patent: March 17, 2020
    Assignee: Panasonic Liquid Crystal Display Co., Ltd.
    Inventors: Tomoharu Notoshi, Kazuhiko Tsuda
  • Publication number: 20200064691
    Abstract: A backlight module for a liquid crystal display includes: LEDs; LED drivers; a controller that outputs data and the latch signal to the LED drivers; data lines for transmitting the data; and latch signal lines for transmitting the latch signal. The latch signal lines are wired according to each of a plurality of first groups obtained by dividing LED drivers. The data lines are wired according to each of a plurality of second groups, which are constructed with a collection of at least one LED driver selected from each of the plurality of first groups without duplication, and each data line is commonly connected to at least one LED belonging to the corresponding second group.
    Type: Application
    Filed: October 29, 2019
    Publication date: February 27, 2020
    Inventors: Tomoharu NOTOSHI, Yasuyuki DOI
  • Patent number: 10495924
    Abstract: A backlight module for a liquid crystal display includes: LEDs; LED drivers; a controller that outputs data and the latch signal to the LED drivers; data lines for transmitting the data; and latch signal lines for transmitting the latch signal. The latch signal lines are wired according to each of a plurality of first groups obtained by dividing LED drivers. The data lines are wired according to each of a plurality of second groups, which are constructed with a collection of at least one LED driver selected from each of the plurality of first groups without duplication, and each data line is commonly connected to at least one LED belonging to the corresponding second group.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: December 3, 2019
    Assignee: PANASONIC LIQUID CRYSTAL DISPLAY CO., LTD.
    Inventors: Tomoharu Notoshi, Yasuyuki Doi
  • Publication number: 20180284525
    Abstract: A method for manufacturing a liquid crystal display device including a first substrate and a second substrate, each of the first substrate and the second substrate having flexibility, the method includes a first step of manufacturing a display panel having flexibility, the display panel including the first substrate and the second substrate, a second step of bending the display panel such that a display of the display panel is constructed with a first flat surface and a second flat surface and a curved surface disposed between the first flat surface and the second flat surface, the curved surface having a predetermined curvature radius; and a third step of fixing the display panel subjected to the second step to a cover member keeping the curved surface in a given shape.
    Type: Application
    Filed: March 29, 2018
    Publication date: October 4, 2018
    Inventors: Tomoharu NOTOSHI, Kazuhiko TSUDA
  • Publication number: 20180217447
    Abstract: A backlight module for a liquid crystal display includes: LEDs; LED drivers; a controller that outputs data and the latch signal to the LED drivers; data lines for transmitting the data; and latch signal lines for transmitting the latch signal. The latch signal lines are wired according to each of a plurality of first groups obtained by dividing LED drivers. The data lines are wired according to each of a plurality of second groups, which are constructed with a collection of at least one LED driver selected from each of the plurality of first groups without duplication, and each data line is commonly connected to at least one LED belonging to the corresponding second group.
    Type: Application
    Filed: January 29, 2018
    Publication date: August 2, 2018
    Inventors: Tomoharu NOTOSHI, Yasuyuki DOI
  • Publication number: 20180088394
    Abstract: A liquid crystal display device is provided. The liquid crystal display device includes: a liquid crystal cell including a liquid crystal layer interposed between a pair of transparent substrates; a backlight unit behind the liquid crystal cell; a polarizer on a surface of the liquid crystal cell, the surface opposing the backlight unit; a transparent reinforcement plate that is between the liquid crystal cell and the backlight unit and supports the polarizer; and an intermediate frame, which is a middle frame, including a protrusion protruding toward a space between the backlight unit and the transparent reinforcement plate. The transparent reinforcement plate rests on the protrusion of the intermediate frame.
    Type: Application
    Filed: September 5, 2017
    Publication date: March 29, 2018
    Inventors: Tomoharu NOTOSHI, Ryosuke YABUKI
  • Publication number: 20180088368
    Abstract: A liquid crystal display device is provided. The liquid crystal display device includes: a liquid crystal cell, an optical sheet, and a backlight disposed apart from one another; a heat absorber that is disposed in an airtight circulation channel and cools a coolant that circulates in the airtight circulation channel so as to pass through a first channel between the liquid crystal cell and the optical sheet and a second channel between the optical sheet and the backlight; and a heat sink that is thermally coupled to the heat absorber and exposed to ambient air.
    Type: Application
    Filed: September 5, 2017
    Publication date: March 29, 2018
    Inventors: Tomoharu NOTOSHI, Ryosuke YABUKI