Patents by Inventor Hideo Mitani

Hideo Mitani 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: 7817357
    Abstract: The present invention provides a display device having a large-area display region which is capable of performing an image display of high quality by making, even when two display panels abut on each other, an abutting portion becomes inconspicuous. Two optical path changing lenses LPL1, LPE2 are arranged in a state that respective optical path changing lenses LPL1, LPE2 have respective one sides thereof abutted on each other above an abutting portion BE of two display panels PNL1, PNL2. The abutted ends form a straight-line shape on the abutting portion BE.
    Type: Grant
    Filed: January 2, 2009
    Date of Patent: October 19, 2010
    Assignee: Hitachi Displays, Ltd
    Inventors: Hideo Mitani, Yuuichi Kanesaka, Akiyoshi Tobe
  • Patent number: 7554628
    Abstract: The present invention provides a display device having a large-area display region which is capable of performing an image display of high quality by making, even when two display panels abut on each other, an abutting portion becomes inconspicuous. Two optical path changing lenses LPL1, LPE2 are arranged in a state that respective optical path changing lenses LPL1, LPE2 have respective one sides thereof abutted on each other above an abutting portion BE of two display panels PNL1, PNL2. The abutted ends form a straight-line shape on the abutting portion BE.
    Type: Grant
    Filed: April 21, 2006
    Date of Patent: June 30, 2009
    Assignee: Hitachi Displays, Ltd.
    Inventors: Hideo Mitani, Yuuichi Kanesaka, Akiyoshi Tobe
  • Publication number: 20090122415
    Abstract: The present invention provides a display device having a large-area display region which is capable of performing an image display of high quality by making, even when two display panels abut on each other, an abutting portion becomes inconspicuous. Two optical path changing lenses LPL1, LPE2 are arranged in a state that respective optical path changing lenses LPL1, LPE2 have respective one sides thereof abutted on each other above an abutting portion BE of two display panels PNL1, PNL2. The abutted ends form a straight-line shape on the abutting portion BE.
    Type: Application
    Filed: January 2, 2009
    Publication date: May 14, 2009
    Inventors: Hideo Mitani, Yuuichi Kanesaka, Akiyoshi Tobe
  • Publication number: 20060244923
    Abstract: The present invention provides a display device having a large-area display region which is capable of performing an image display of high quality by making, even when two display panels abut on each other, an abutting portion becomes inconspicuous. Two optical path changing lenses LPL1, LPE2 are arranged in a state that respective optical path changing lenses LPL1, LPE2 have respective one sides thereof abutted on each other above an abutting portion BE of two display panels PNL1, PNL2. The abutted ends form a straight-line shape on the abutting portion BE.
    Type: Application
    Filed: April 21, 2006
    Publication date: November 2, 2006
    Inventors: Hideo Mitani, Yuuichi Kanesaka, Akiyoshi Tobe
  • Publication number: 20050237443
    Abstract: There is provided a liquid crystal display device ensuring a luminance of a backlight and having a backlight-integrated type resin holder to which a plating has been adhered. A liquid crystal display device including a liquid crystal display panel, a backlight disposed to a back face of the liquid crystal display panel and having at least a light conductor, and a holder accommodating the liquid crystal display panel and the backlight, wherein the holder is a holder in which a 1st resin to which a plating can be applied and a 2nd white resin whose condition under which the plating adheres is different from the 1st resin have been molded in 2 colors, the plating is applied to the 1st resin, and the 2nd white resin to which no plating is applied is disposed to a side face of the light conductor. It is desirable that the 1st resin is a plastic alloy containing polycarbonate, and the 2nd resin is polycarbonate.
    Type: Application
    Filed: April 21, 2005
    Publication date: October 27, 2005
    Inventors: Norio Nakanishi, Hideo Mitani