Patents by Inventor RYOUTA NAKAYAMA

RYOUTA NAKAYAMA 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: 11085593
    Abstract: A display device includes: a display panel; a backlight that emits light toward a rear face of the display panel; a first optical sheet disposed between the display panel and the backlight; a second optical sheet disposed between the first optical sheet and the backlight; and a supporting member that supports an outer peripheral part of the first optical sheet. The first optical sheet includes a first sheet main body portion, and a first supporting piece that protrudes to a side direction from an outer peripheral part of the first sheet main body portion and is supported by the supporting member. The second optical sheet includes a second sheet main body portion, and a flat portion that is formed into a flat shape in an outer peripheral part of the second sheet main body portion and is disposed so as to correspond to the first supporting piece.
    Type: Grant
    Filed: March 19, 2018
    Date of Patent: August 10, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Akihiko Sasaki, Mitsuhiro Namikoshi, Ryouta Nakayama
  • Patent number: 10969620
    Abstract: An image display device includes: a light guide plate which includes an front face from which light from a light source exits; a heat sink that holds the light source portion and the light guide plate; a base plate which accommodates the light source portion, the light guide plate, and the heat sink; and a frame which is fixed to a wall portion of the base plate and holds the light guide plate from front of the light guide plate. The frame includes: a main body disposed inwardly of and along the wall portion; and a holder extending from the main body. The holder holds an end portion of the light guide plate from the front of the light guide plate, and the end portion is on a side of the end face from which light emitted from the light source portion enters.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: April 6, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Shigeru Aruga, Ryouta Nakayama, Chiharu Matsukawa
  • Publication number: 20200264473
    Abstract: An image display device includes: a light guide plate which includes an front face from which light from a light source exits; a heat sink that holds the light source portion and the light guide plate; a base plate which accommodates the light source portion, the light guide plate, and the heat sink; and a frame which is fixed to a wall portion of the base plate and holds the light guide plate from front of the light guide plate. The frame includes: a main body disposed inwardly of and along the wall portion; and a holder extending from the main body. The holder holds an end portion of the light guide plate from the front of the light guide plate, and the end portion is on a side of the end face from which light emitted from the light source portion enters.
    Type: Application
    Filed: June 25, 2018
    Publication date: August 20, 2020
    Inventors: Shigeru ARUGA, Ryouta NAKAYAMA, Chiharu MATSUKAWA
  • Publication number: 20200032970
    Abstract: A display device includes: a display panel; a backlight that emits light toward a rear face of the display panel; a first optical sheet disposed between the display panel and the backlight; a second optical sheet disposed between the first optical sheet and the backlight; and a supporting member that supports an outer peripheral part of the first optical sheet. The first optical sheet includes a first sheet main body portion, and a first supporting piece that protrudes to a side direction from an outer peripheral part of the first sheet main body portion and is supported by the supporting member. The second optical sheet includes a second sheet main body portion, and a flat portion that is formed into a flat shape in an outer peripheral part of the second sheet main body portion and is disposed so as to correspond to the first supporting piece.
    Type: Application
    Filed: March 19, 2018
    Publication date: January 30, 2020
    Inventors: AKIHIKO SASAKI, MITSUHIRO NAMIKOSHI, RYOUTA NAKAYAMA