Patents by Inventor Noboru Hoshino

Noboru Hoshino 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: 7027115
    Abstract: A liquid crystal display device includes a first transparent substrate having a plurality of electrodes, a second transparent substrate, a liquid crystal interposed between the first transparent substrate and the second transparent substrate, an illumination light source disposed on a back side of the first transparent substrate, pixel regions arranged in a matrix, and a reflecting film formed between the first transparent substrate and the electrodes. The reflecting film has at least one light transmission aperture in each pixel region and without slits at positions corresponding to gaps between adjacent ones of the pixel regions.
    Type: Grant
    Filed: February 18, 2004
    Date of Patent: April 11, 2006
    Assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.
    Inventors: Souta Nemoto, Kazutoshi Yoshida, Masao Uehara, Noboru Hoshino, Yoshiaki Nakamura, Masayoshi Fujieda, Koji Hiraga
  • Publication number: 20040160555
    Abstract: A liquid crystal display device includes a first transparent substrate having a plurality of electrodes, a second transparent substrate, a liquid crystal interposed between the first transparent substrate and the second transparent substrate, an illumination light source disposed on a back side of the first transparent substrate, pixel regions arranged in a matrix, and a reflecting film formed between the first transparent substrate and the electrodes. The reflecting film has at least one light transmission aperture in each pixel region and without slits at positions corresponding to gaps between adjacent ones of the pixel regions.
    Type: Application
    Filed: February 18, 2004
    Publication date: August 19, 2004
    Inventors: Souta Nemoto, Kazutoshi Yoshida, Masao Uehara, Noboru Hoshino, Yoshiaki Nakamura, Masayoshi Fujieda, Koji Hiraga
  • Patent number: 6697137
    Abstract: A liquid crystal is interposed between a first transparent substrate having first electrodes and a second transparent substrate having other electrodes. Pixel regions are formed at portions where the first electrodes and the other electrodes are opposed to each other. A semitransparent reflecting film is formed between the first transparent substrate and the first electrodes. The semitransparent reflecting film is formed with light transmission apertures in each pixel region. The semitransparent reflecting film also occupies portions corresponding to the gaps between the adjacent pixel regions. Alternatively, in addition to the light transmission apertures, the semitransparent reflecting film is formed with slits at positions corresponding to the gaps between the adjacent pixel regions. A light absorption film is formed between the first transparent substrate and the semitransparent reflecting film at positions corresponding to the slits, or the slits are charged with a light absorption film.
    Type: Grant
    Filed: April 9, 2001
    Date of Patent: February 24, 2004
    Assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.
    Inventors: Souta Nemoto, Kazutoshi Yoshida, Masao Uehara, Noboru Hoshino, Yoshiaki Nakamura, Masayoshi Fujieda, Koji Hiraga
  • Publication number: 20010040658
    Abstract: A liquid crystal is interposed between a first transparent substrate having one electrodes and a second transparent substrate having the other electrodes. Pixel regions are formed at portions where the one electrodes and the other electrodes are opposed to each other. A semitransparent reflecting film is formed between the first transparent substrate and the one electrodes. The semitransparent reflecting film is formed with light transmission apertures in each pixel region. The semitransparent reflecting film also occupies portions corresponding to the gaps between the adjacent pixel regions. Alternatively, in addition to the light transmission apertures, the semitransparent reflecting film is formed with slits at positions corresponding to the gaps between the adjacent pixel regions. A light absorption film is formed between the first transparent substrate and the semitransparent reflecting film at positions corresponding to the slits, or the slits are charged with a light absorption film.
    Type: Application
    Filed: April 9, 2001
    Publication date: November 15, 2001
    Inventors: Souta Nemoto, Kazutoshi Yoshida, Masao Uehara, Noboru Hoshino, Yoshiaki Nakamura, Masayoshi Fujieda, Koji Hiraga
  • Patent number: 6172732
    Abstract: In order to provide a liquid crystal display device of high display quality by improving the evenness of a liquid crystal cell gap in a marginal frame portion of a liquid crystal element suited to a narrow frame, the liquid crystal display device is provided with a pair of liquid crystal display element substrates having a liquid crystal sandwiched therebetween, and a plurality of liquid crystal driving elements connected to conductors formed on each of the liquid crystal display element substrates, for driving the liquid crystal. Each of the liquid crystal display element substrates includes a plurality of display electrodes wired in parallel, a plurality of parallel terminal electrodes, mutually parallel oblique straight wiring electrodes, and a plurality of dummy electrodes generally parallel to the terminal electrodes.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: January 9, 2001
    Assignee: Hitachi, Ltd.
    Inventors: Kouji Hayakawa, Masayoshi Fujieda, Noboru Hoshino, Yoshiyuki Imasaka
  • Patent number: 5838411
    Abstract: A liquid crystal display device includes a liquid crystal display panel. The liquid crystal display panel includes a first transparent substrate having color filters arranged in a predetermined order, a patterned light blocking film formed between the color filters and first transparent electrodes formed on the color filters; a second transparent substrate having second transparent electrodes arranged to intersect the first transparent electrodes; a liquid crystal layer sandwiched between the first and second transparent substrates with the first and second transparent electrodes opposing each other and spacers dispersed between the first and second transparent substrates. The color filters and the light blocking film extend into a marginal area outside an area optically switchable upon application of an electric field on the liquid crystal display panel in substantially the same geometric pattern as within the optically switchable area.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: November 17, 1998
    Assignees: Hitachi, Ltd., Hitachi Device Engineering Co., Ltd.
    Inventors: Kouji Hayakawa, Satoshi Endo, Hisashi Yoshida, Noboru Hoshino, Masayoshi Fujieda
  • Patent number: 4458987
    Abstract: A multi-layer liquid crystal panel for a liquid crystal display device having stacked light transmitting substrates of different sizes is disclosed. A retainer is disposed at a position directly beneath a sealing member which seals a first substrate and a second substrate, between the second substrate and a third substrate. The retainer is applied to the substrates simultaneously with the application of the sealing member. The first, second and third substrates are stacked one on the other and pressed to form a multi-layer panel. By virtue of the retainer, the gaps between the respective substrates are maintained uniform over the display area.
    Type: Grant
    Filed: July 23, 1981
    Date of Patent: July 10, 1984
    Assignee: Hitachi, Ltd.
    Inventors: Ken Sasaki, Sigeru Matsuyama, Masamitsu Naoi, Noboru Hoshino, Masaharu Koyama