Patents by Inventor Nobuhiro Yonezawa

Nobuhiro Yonezawa 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: 20180039015
    Abstract: A display apparatus comprises: a display panel which displays an image on one surface thereof, a light guide plate disposed to face the other surface of the display panel; a plurality of optical sheets interposed between the display panel and the light guide plate; and a spacer which is sandwiched between the display panel and the light guide plate to secure a space for interposing the optical sheets therebetween, wherein the spacer has a space holding layer fixed to the light guide plate and securing the space, and a fixed layer sandwiched between the display panel and the space holding layer and fixed to the display panel, wherein the thickness of the space holding layer is thicker than a total of the thicknesses of the plurality of optical sheets except for an optical sheet nearest to the display panel.
    Type: Application
    Filed: March 2, 2015
    Publication date: February 8, 2018
    Inventors: Nobuhiro Yonezawa, Takashi Iwaki
  • Publication number: 20170299805
    Abstract: Provided is a display apparatus capable of realizing the reduction in thickness and border width even in a case of the curved display and keeping a display quality successfully. The display apparatus is equipped with: a liquid-crystal panel prepared by enclosing a liquid-crystal material between a pair of glass substrates being opposed to each other; a light guide plate being opposed to the liquid-crystal panel and being made of glass; and an optical sheet arranged between the liquid-crystal panel and the light guide plate; and a frame body which joins respective peripheral portions of the liquid-crystal panel and the light guide plate with a predetermined distance between the liquid-crystal panel and the light guide plate, and having a flexibility.
    Type: Application
    Filed: October 16, 2014
    Publication date: October 19, 2017
    Inventors: Tomonori Takobe, Nobuhiro Yonezawa
  • Patent number: 9791616
    Abstract: Provided is a display apparatus, in which a liquid crystal panel and a light guide plate 3 included in a backlight is integrated with a space held by the spacers 5, an optical sheet laminate 4 is arranged in the space between the liquid crystal panel and the light guide plate 3, being positioned by sheet positioning members 6a, and an end of the optical sheet laminate 4 is arranged between a liquid crystal panel attaching portion 52 of the spacer 5 and the light guide plate 3, so that a region exclusively occupied by the optical sheet laminate 4 on the light guide plate 3 is small, allowing a slim bezel of the display apparatus.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 17, 2017
    Assignee: Sakai Display Products Corporation
    Inventors: Nobuhiro Yonezawa, Daishi Ishikawa, Tomonori Takobe
  • Publication number: 20170205654
    Abstract: A display apparatus according to one embodiment of the present disclosure comprises a display panel, a light guiding plate that emits light, the light being derived from a light source, through a front surface of the light guiding plate toward a rear surface of the display panel, a spacer that forms a void between the display panel and the light guiding plate, and an optical sheet disposed at the void, the optical sheet having a surface to face the rear surface of the display panel and a surface to face the front surface of the light guiding plate. In the display apparatus, the spacer is formed using a shape memory alloy.
    Type: Application
    Filed: September 26, 2014
    Publication date: July 20, 2017
    Inventors: Takashi Iwaki, Nobuhiro Yonezawa, Daishi Ishikawa
  • Patent number: 9709726
    Abstract: An example display apparatus, comprising a display panel with one surface on which an image is displayed, a light guide plate disposed to face the other surface of the display panel, an optical sheet interposed between the display panel and the light guide plate, and a spacer which is sandwiched between the display panel and the light guide plate to secure a space for the optical sheet, wherein the spacer is adhered to the light guide plate and the display panel.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: July 18, 2017
    Assignee: Sakai Display Products Corporation
    Inventors: Nobuhiro Yonezawa, Daishi Ishikawa, Tomonori Takobe
  • Publication number: 20160266305
    Abstract: Provided is a display apparatus, in which a liquid crystal panel and a light guide plate 3 included in a backlight is integrated with a space held by the spacers 5, an optical sheet laminate 4 is arranged in the space between the liquid crystal panel and the light guide plate 3, being positioned by sheet positioning members 6a, and an end of the optical sheet laminate 4 is arranged between a liquid crystal panel attaching portion 52 of the spacer 5 and the light guide plate 3, so that a region exclusively occupied by the optical sheet laminate 4 on the light guide plate 3 is small, allowing a slim bezel of the display apparatus.
    Type: Application
    Filed: September 26, 2014
    Publication date: September 15, 2016
    Inventors: Nobuhiro Yonezawa, Daishi Ishikawa, Tomonori Takobe
  • Publication number: 20160259121
    Abstract: An example display apparatus, comprising a display panel with one surface on which an image is displayed, a light guide plate disposed to face the other surface of the display panel, an optical sheet interposed between the display panel and the light guide plate, and a spacer which is sandwiched between the display panel and the light guide plate to secure a space for the optical sheet, wherein the spacer is adhered to the light guide plate and the display panel.
    Type: Application
    Filed: September 26, 2014
    Publication date: September 8, 2016
    Inventors: Nobuhiro Yonezawa, Daishi Ishikawa, Tomonori Takobe