Patents by Inventor Emi Higano

Emi Higano 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: 20180284523
    Abstract: According to one embodiment, a display device comprises first and second flexible substrates, a liquid crystal layer, first and second spacers. The first flexible substrate includes first and second surfaces. The second flexible substrate includes a third surface opposite to the first surface and a fourth surface opposite to the third surface. The liquid crystal layer is disposed between first and third surfaces. The first spacer is disposed on the first surface. The second spacer is disposed on the third surface. One of the first and second spacers has a concave and the other of the first and second spacers has a convex. The tip of the convex contacts the concave.
    Type: Application
    Filed: March 28, 2018
    Publication date: October 4, 2018
    Applicant: Japan Display Inc.
    Inventors: Emi HIGANO, Toshiyuki Higano, Shigesumi Araki
  • Publication number: 20180138257
    Abstract: According to one embodiment, a display device includes a first insulating substrate, an emitting layer, a protective film, a resin base, a first adhesive layer, and a second adhesive layer. The first insulating substrate includes a display area and a drive area. The emitting layer is in the display area. The protective film covers the emitting layer. The resin base is at a position upper than the protective film. The first adhesive layer is under the resin base, in the display area and the drive area. The second adhesive layer is on the resin base. The second adhesive layer covers the drive area and an end portion of the resin base. The resin base is located between the first adhesive layer and the second adhesive layer in the drive area.
    Type: Application
    Filed: November 13, 2017
    Publication date: May 17, 2018
    Applicant: Japan Display Inc.
    Inventors: Toshiyuki HIGANO, Emi HIGANO
  • Publication number: 20180130971
    Abstract: The purpose of the present invention is to realize the organic EL display device that has a high quality images even the polarizing plate is eliminated. The structure of the invention is as follows. An organic EL display device comprising: a display area, an organic EL element, which an organic EL layer is formed between a lower electrode and an upper electrode, the organic EL layer emits a different color of light according to a pixel, wherein a color filter of a same color as a color of light emitted from the organic EL layer is formed at a nearer side to the screen of the organic EL layer.
    Type: Application
    Filed: November 6, 2017
    Publication date: May 10, 2018
    Inventors: Genki ASOZU, Emi HIGANO
  • Patent number: 9829753
    Abstract: A display device includes a first light shielding area where two signal lines are arranged between the opening portions of mutually adjacent sub pixels, a second light shielding area where one signal line is arranged between the opening portions of mutually adjacent sub pixels, and a third light shielding area where one scanning line is arranged between the opening portions of mutually adjacent sub pixels. The display device further includes a first spacer arranged in the first light shielding area or the second light shielding area along the extending direction of the signal line and a second spacer arranged in the third light shielding area along the extending direction of the scanning line. The first spacer and the second spacer are arranged crosswise.
    Type: Grant
    Filed: March 15, 2016
    Date of Patent: November 28, 2017
    Assignee: Japan Display Inc.
    Inventors: Shigesumi Araki, Toshiyuki Higano, Emi Higano
  • Patent number: 9772528
    Abstract: A display device includes a first pixel formed by a red sub pixel, a green sub pixel, and a white sub pixel and a second pixel formed by a red sub pixel, a green sub pixel, and a blue sub pixel. The red sub pixel and the green sub pixel are arranged in a second direction. The white sub pixel is arranged adjacently to the red sub pixel and the green sub pixel in a first direction. The blue sub pixel is adjacently to the red sub pixel and the green sub pixel in the first direction. A light shielding wiring layer extending in the first direction is arranged between the red sub pixel and the green sub pixel of each of the first pixel and the second pixel.
    Type: Grant
    Filed: October 26, 2015
    Date of Patent: September 26, 2017
    Assignee: Japan Display Inc.
    Inventors: Toshiyuki Higano, Emi Higano
  • Publication number: 20170176802
    Abstract: According to one embodiment, a liquid crystal display device includes an array substrate, a counter substrate, an adhesive layer, a liquid crystal layer, a frame portion, and first and second barrier members. The first barrier member includes a first wall portion having a frame shape and provided on a surface of the array substrate opposing the counter substrate, and first pillar portions arranged spaced apart from each other and each having opposite end faces abutting against the first wall portion and the counter substrate. The second barrier member includes a second wall portion having a frame shape and provided on a surface of the counter substrate opposing the array substrate, and second pillar portions arranged spaced apart from each other and each having opposite end faces abutting against the second wall portion and the array substrate.
    Type: Application
    Filed: December 22, 2016
    Publication date: June 22, 2017
    Applicant: Japan Display Inc.
    Inventors: Emi HIGANO, Toshiyuki HIGANO
  • Publication number: 20170003528
    Abstract: According to one embodiment, a liquid crystal display device includes a display device with a first main surface and a second main surface which is opposite to the first main surface, a first member disposed in the first main surface side of the display panel, a second member disposed between the first member and the display panel, and a cover member disposed in the second main surface side of the display panel, and having a rigidity greater than that of the display panel. The coefficient of thermal expansion of the second member is greater than that of the first member.
    Type: Application
    Filed: June 13, 2016
    Publication date: January 5, 2017
    Applicant: Japan Display Inc.
    Inventors: Emi HIGANO, Toshiyuki HIGANO, Shigesumi ARAKI
  • Publication number: 20160274403
    Abstract: A display device includes a first light shielding area where two signal lines are arranged between the opening portions of mutually adjacent sub pixels, a second light shielding area where one signal line is arranged between the opening portions of mutually adjacent sub pixels, and a third light shielding area where one scanning line is arranged between the opening portions of mutually adjacent sub pixels. The display device further includes a first spacer arranged in the first light shielding area or the second light shielding area along the extending direction of the signal line and a second spacer arranged in the third light shielding area along the extending direction of the scanning line. The first spacer and the second spacer are arranged crosswise.
    Type: Application
    Filed: March 15, 2016
    Publication date: September 22, 2016
    Inventors: Shigesumi ARAKI, Toshiyuki HIGANO, Emi HIGANO
  • Publication number: 20160225331
    Abstract: A display device includes: a first scanning line and a second scanning line which are provided along a first direction; a first signal line and a second signal line which are provided along a second direction; and a first subpixel and a second subpixel. Each of the first subpixel and the second subpixel is disposed between the first scanning line and the second scanning line and between the first signal line and the second signal line, and is provided with an electrode having a first main electrode portion and a first electrode portion connected with a first end of the first main electrode portion. The first electrode portion of the first subpixel and the first electrode portion of the second subpixel are provided at an interval along a direction free from being parallel to each of the first direction and the second direction.
    Type: Application
    Filed: January 12, 2016
    Publication date: August 4, 2016
    Applicant: Japan Display Inc.
    Inventors: Emi HIGANO, Toshiyuki HIGANO, Shigesumi ARAKI
  • Publication number: 20160116808
    Abstract: A display device includes a first pixel formed by a red sub pixel, a green sub pixel, and a white sub pixel and a second pixel formed by a red sub pixel, a green sub pixel, and a blue sub pixel. The red sub pixel and the green sub pixel are arranged in a second direction. The white sub pixel is arranged adjacently to the red sub pixel and the green sub pixel in a first direction. The blue sub pixel is adjacently to the red sub pixel and the green sub pixel in the first direction. A light shielding wiring layer extending in the first direction is arranged between the red sub pixel and the green sub pixel of each of the first pixel and the second pixel.
    Type: Application
    Filed: October 26, 2015
    Publication date: April 28, 2016
    Inventors: Toshiyuki HIGANO, Emi HIGANO
  • Publication number: 20160097946
    Abstract: There is provided a liquid crystal display device that a high quality image with suppressed display unevenness can be obtained. A liquid crystal display device includes a first metal electrode, a black matrix disposed at regular spacings, and a liquid crystal. The first metal electrode is disposed to overlap the black matrix when seen perpendicularly from above, and a second metal electrode is disposed at a place at which the first metal is not disposed at a position at which the second metal electrode overlaps the black matrix between different color sub pixels.
    Type: Application
    Filed: October 1, 2015
    Publication date: April 7, 2016
    Inventors: Toshiyuki HIGANO, Emi HIGANO
  • Publication number: 20150160516
    Abstract: A liquid crystal display device includes a TFT substrate, a counter substrate, a liquid crystal layer, a first alignment film arranged between the TFT substrate and the liquid crystal layer, and a second alignment film arranged between the counter substrate and the liquid crystal layer. The first alignment film has a two-layer structure including a photo-alignment component and a low resistance component whose resistance is lower than that of the photo-alignment component, and the transmittance of the second alignment film is greater than that of the first alignment film.
    Type: Application
    Filed: December 9, 2014
    Publication date: June 11, 2015
    Inventors: Emi HIGANO, Toshiyuki HIGANO, Takenori HIROTA
  • Patent number: 9030635
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first electrode, a stage including an electrode formation surface, a switching element, a second electrode and a first vertical alignment film. The second substrate includes a third electrode and a second vertical alignment film. The electrode formation surface is positioned closer to the second substrate than a portion of the first vertical alignment film, which opposes the first electrode.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: May 12, 2015
    Assignee: Japan Display Inc.
    Inventors: Emi Higano, Mitsutaka Okita, Daiichi Suzuki, Kenji Nakao, Kazuhiro Nishiyama
  • Publication number: 20150109569
    Abstract: An object of the present invention is to realize a liquid crystal display device having a photo-aligned alignment film in which the alignment film is overlapped with a seal material to downsize a frame area, and the reliability of a seal portion can be secured. A first alignment film and a second alignment film are overlapped with a seal material, the first alignment film and the second alignment film are made of material containing 0.5 wt % or larger and 2 wt % or smaller of an amine-system silane coupling agent, and the shrinkage ratio and the storage elastic modulus of the seal material evaluated using the modulus of volume change by a specific gravity cup method are 5.1% or smaller and 9.2 Pa or smaller, respectively. Accordingly, a frame area can be downsized, and the reliability of a seal portion can be maintained.
    Type: Application
    Filed: October 21, 2014
    Publication date: April 23, 2015
    Inventors: Noboru KUNIMATSU, Yasushi TOMIOKA, Toshiyuki HIGANO, Emi HIGANO, Midori TSUKANE, Hirofumi WAKEMOTO, Kazuhiro NISHIYAMA
  • Publication number: 20150042912
    Abstract: According to one embodiment, a liquid crystal display apparatus includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first electrode, a wall portion, a switching element, a second electrode and a vertical alignment film. The second substrate includes a third electrode and a second vertical alignment film. The second electrode includes a wall electrode provided on a wall electrode formation surface forming a side surface of the wall portion.
    Type: Application
    Filed: August 8, 2014
    Publication date: February 12, 2015
    Applicant: Japan Display Inc.
    Inventors: Emi Higano, Mitsutaka Okita, Daiichi Suzuki, Kazuhiro Nishiyama
  • Patent number: 8823634
    Abstract: According to one embodiment, a liquid crystal display device includes a liquid crystal display panel, a first illumination unit configured to illuminate the liquid crystal display panel with light which is emitted in a first emission direction, a second illumination unit configured to illuminate the liquid crystal display panel with light which is emitted in a second emission direction different from the first emission direction, and a controller configured to control the liquid crystal display panel, the first illumination unit and the second illumination unit in a first display mode in which 3D display with power saving is effected, and in a second display mode in which 3D display with a wider viewing angle than in the first display mode is effected.
    Type: Grant
    Filed: November 26, 2012
    Date of Patent: September 2, 2014
    Assignee: Japan Display Inc.
    Inventors: Daiichi Suzuki, Kenji Nakao, Kazuhiro Nishiyama, Emi Higano
  • Publication number: 20140078453
    Abstract: According to one embodiment, a liquid crystal display device includes a first substrate, a second substrate and a liquid crystal layer. The first substrate includes a first electrode, a stage including an electrode formation surface, a switching element, a second electrode and a first vertical alignment film. The second substrate includes a third electrode and a second vertical alignment film. The electrode formation surface is positioned closer to the second substrate than a portion of the first vertical alignment film, which opposes the first electrode.
    Type: Application
    Filed: September 13, 2013
    Publication date: March 20, 2014
    Applicant: Japan Display Inc.
    Inventors: Emi HIGANO, Mitsutaka Okita, Daiichi Suzuki, Kenji Nakao, Kazuhiro Nishiyama
  • Patent number: 8570448
    Abstract: In one embodiment, a liquid crystal shutter includes a first liquid crystal panel for left eye and a second liquid crystal panel for right eye. Each liquid crystal panel includes a pair of electrode substrates and a liquid crystal layer held between the electrode substrates. A driving circuit switches the first and second liquid crystal panels between a transmissive state and a non-transmissive state by turns by applying a voltage to the first and second liquid crystal panels while inversing the polarity of the voltage applied between the pair of the electrode substrates at least once during a period in the transmissive state.
    Type: Grant
    Filed: December 10, 2010
    Date of Patent: October 29, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Mitsutaka Okita, Shigesumi Araki, Emi Higano
  • Publication number: 20130258241
    Abstract: According to one embodiment, a liquid crystal display apparatus includes a display panel, an illumination module which illuminates the display panel, a display controller which controls gradation display which corresponds to an image signal in a first subframe period, and non-gradation display which does not correspond to the image signal in a second subframe period, and performs control in a manner that scanning starting from an upper end and going toward center of the display panel and scanning starting from a lower end and going toward the center of the display panel are alternately performed, and an illumination controller which controls turning on/off of the illumination module.
    Type: Application
    Filed: March 14, 2013
    Publication date: October 3, 2013
    Inventors: Emi HIGANO, Shigesumi Araki, Kazuhiro Nishiyama, Daiichi Suzuki
  • Patent number: 8477127
    Abstract: A liquid crystal display device includes a display portion having a first substrate, a second substrate opposing to the first substrate, a liquid crystal layer held between the first and second substrates, and a plurality of pixels arranged in a delta shape. A plurality of pixel electrodes are respectively connected to signal lines extending in a first direction via a switch. The switch is controlled by scanning lines extending in a second direction which orthogonally crosses the first direction. The signal lines extend in a space between the pixel electrodes in a meandering shape in the second direction, and two kinds of color pixels are connected with a common signal line in turn via the pixel switch.
    Type: Grant
    Filed: April 30, 2010
    Date of Patent: July 2, 2013
    Assignee: Japan Display Central Inc.
    Inventors: Yukio Tanaka, Tetsuo Fukami, Emi Higano, Shigesumi Araki, Ken Shiiba