Patents by Inventor Toshiaki Fujihara

Toshiaki Fujihara 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: 11815769
    Abstract: A liquid crystal panel (display panel) 11 includes a display area AA configured to display images, a non-display area NAA outside the display area AA, a light blocking layer (a light blocking portion) 11i disposed at least in the non-display area NAA and configured to block light, a signal line connection line (a narrow line portion) 29 where lines are arranged at intervals in the non-display area NAA, and a common electrode connection line portion (a wide line portion) 30 disposed in the non-display area and having a line width greater than that of the signal line connection line 29 and including empty portions 34.
    Type: Grant
    Filed: November 22, 2022
    Date of Patent: November 14, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Ryosuke Yuminami, Masakazu Miyamoto, Masahiro Yoshida, Masayuki Takashima, Toshiaki Fujihara
  • Publication number: 20230080375
    Abstract: A liquid crystal panel (display panel) 11 includes a display area AA configured to display images, a non-display area NAA outside the display area AA, a light blocking layer (a light blocking portion) 11i disposed at least in the non-display area NAA and configured to block light, a signal line connection line (a narrow line portion) 29 where lines are arranged at intervals in the non-display area NAA, and a common electrode connection line portion (a wide line portion) 30 disposed in the non-display area and having a line width greater than that of the signal line connection line 29 and including empty portions 34.
    Type: Application
    Filed: November 22, 2022
    Publication date: March 16, 2023
    Inventors: Ryosuke YUMINAMI, Masakazu MIYAMOTO, Masahiro YOSHIDA, Masayuki TAKASHIMA, Toshiaki FUJIHARA
  • Patent number: 11513403
    Abstract: A liquid crystal panel (display panel) 11 includes a display area AA configured to display images, a non-display area NAA outside the display area AA, a light blocking layer (a light blocking portion) 11i disposed at least in the non-display area NAA and configured to block light, a signal line connection line (a narrow line portion) 29 where lines are arranged at intervals in the non-display area NAA, and a common electrode connection line portion (a wide line portion) 30 disposed in the non-display area and having a line width greater than that of the signal line connection line 29 and including empty portions 34.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: November 29, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Ryosuke Yuminami, Masakazu Miyamoto, Masahiro Yoshida, Masayuki Takashima, Toshiaki Fujihara
  • Publication number: 20210375226
    Abstract: A shift register configured of a plurality of unit circuits constituting a monolithic gate driver is applied with a gate start pulse signal that allows vertical scanning to start and a clear signal that allows a state of each of the plurality of unit circuits to be initialized after an end of the vertical scanning. The gate start pulse signal and the clear signal are set in such a manner that at least one of the gate start pulse signal and the clear signal is at an off level at any point of time. A resistor is provided on at least one of a wiring line for the gate start pulse signal and a wiring line for the clear signal.
    Type: Application
    Filed: April 16, 2021
    Publication date: December 2, 2021
    Inventors: TOSHIAKI FUJIHARA, KIMIHIRO ARAI
  • Publication number: 20210240028
    Abstract: A liquid crystal panel (display panel) 11 includes a display area AA configured to display images, a non-display area NAA outside the display area AA, a light blocking layer (a light blocking portion) 11i disposed at least in the non-display area NAA and configured to block light, a signal line connection line (a narrow line portion) 29 where lines are arranged at intervals in the non-display area NAA, and a common electrode connection line portion (a wide line portion) 30 disposed in the non-display area and having a line width greater than that of the signal line connection line 29 and including empty portions 34.
    Type: Application
    Filed: April 23, 2021
    Publication date: August 5, 2021
    Inventors: Ryosuke YUMINAMI, Masakazu MIYAMOTO, Masahiro YOSHIDA, Masayuki TAKASHIMA, Toshiaki FUJIHARA
  • Patent number: 10989967
    Abstract: A liquid crystal panel (display panel) 11 includes a display area AA configured to display images, a non-display area NAA outside the display area AA, a light blocking layer (a light blocking portion) 11i disposed at least in the non-display area NAA and configured to block light, a signal line connection line (a narrow line portion) 29 where lines are arranged at intervals in the non-display area NAA, and a common electrode connection line portion (a wide line portion) 30 disposed in the non-display area and having a line width greater than that of the signal line connection line 29 and including empty portions 34.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: April 27, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Ryosuke Yuminami, Masakazu Miyamoto, Masahiro Yoshida, Masayuki Takashima, Toshiaki Fujihara
  • Patent number: 10989964
    Abstract: The present invention provides a liquid crystal display device that can retain a favorable VHR and a low residual DC voltage and minimize display unevenness such as stains and image sticking, in long-term use at high temperatures.
    Type: Grant
    Filed: February 10, 2017
    Date of Patent: April 27, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Masanobu Mizusaki, Hiroshi Tsuchiya, Katsuya Ogawa, Toshiaki Fujihara
  • Publication number: 20190324311
    Abstract: A liquid crystal panel (display panel) 11 includes a display area AA configured to display images, a non-display area NAA outside the display area AA, a light blocking layer (a light blocking portion) 11i disposed at least in the non-display area NAA and configured to block light, a signal line connection line (a narrow line portion) 29 where lines are arranged at intervals in the non-display area NAA, and a common electrode connection line portion (a wide line portion) 30 disposed in the non-display area and having a line width greater than that of the signal line connection line 29 and including empty portions 34.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Inventors: Ryosuke YUMINAMI, Masakazu MIYAMOTO, Masahiro YOSHIDA, Masayuki TAKASHIMA, Toshiaki FUJIHARA
  • Patent number: 10394094
    Abstract: A liquid crystal panel (display panel) 11 includes a display area AA configured to display images, a non-display area NAA outside the display area AA, a light blocking layer (a light blocking portion) 11i disposed at least in the non-display area NAA and configured to block light, a signal line connection line (a narrow line portion) 29 where lines are arranged at intervals in the non-display area NAA, and a common electrode connection line portion (a wide line portion) 30 disposed in the non-display area and having a line width greater than that of the signal line connection line 29 and including empty portions 34.
    Type: Grant
    Filed: February 27, 2014
    Date of Patent: August 27, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Ryosuke Yuminami, Masakazu Miyamoto, Masahiro Yoshida, Masayuki Takashima, Toshiaki Fujihara
  • Publication number: 20190196265
    Abstract: A display device includes a display panel for display images, a polarizing plate fixed to the display panel, a protective panel, a structural member, and a light transmissive fixing layer. The protective panel is disposed such that the polarizing plate is sandwiched between the display panel and the protective panel. The structural member projects from a plate surface of the protective panel on a polarizing plate side and overlaps the polarizing plate. The light transmissive fixing layer is disposed between the polarizing plate and the protective panel to fix the polarizing plate and the protective panel together. The light transmissive fixing layer is separated from the structural member with a clearance.
    Type: Application
    Filed: December 23, 2018
    Publication date: June 27, 2019
    Inventor: TOSHIAKI FUJIHARA
  • Publication number: 20190033665
    Abstract: The present invention provides a liquid crystal display device that can retain a favorable VHR and a low residual DC voltage and minimize display unevenness such as stains and image sticking, in long-term use at high temperatures.
    Type: Application
    Filed: February 10, 2017
    Publication date: January 31, 2019
    Inventors: MASANOBU MIZUSAKI, HIROSHI TSUCHIYA, KATSUYA OGAWA, TOSHIAKI FUJIHARA
  • Publication number: 20180149896
    Abstract: The present invention provides a liquid crystal display panel that can maintain electrical connection between a transparent conductive film on one of the substrates of the liquid crystal display panel and a terminal on the other substrate and thereby stably eliminate static electricity. The liquid crystal display panel of the present invention includes: a first substrate on which a transparent conductive film is formed; a second substrate on which a terminal whose surface is conductive is formed; a liquid crystal layer held between the first substrate and the second substrate; and a conductive member that electrically connects the transparent conductive film and the terminal, the conductive member containing flaky conductive filler particles and a conductive material different from the flaky conductive filler particles.
    Type: Application
    Filed: May 16, 2016
    Publication date: May 31, 2018
    Inventors: KAZUYUKI ABURAZAKI, ATSUO KONISHI, TOSHIAKI FUJIHARA
  • Publication number: 20160070130
    Abstract: A liquid crystal panel (display panel) 11 includes a display area AA configured to display images, a non-display area NAA outside the display area AA, a light blocking layer (a light blocking portion) 11i disposed at least in the non-display area NAA and configured to block light, a signal line connection line (a narrow line portion) 29 where lines are arranged at intervals in the non-display area NAA, and a common electrode connection line portion (a wide line portion) 30 disposed in the non-display area and having a line width greater than that of the signal line connection line 29 and including empty portions 34.
    Type: Application
    Filed: February 27, 2014
    Publication date: March 10, 2016
    Inventors: Ryosuke YUMINAMI, Masakazu MIYAMOTO, Masahiro YOSHIDA, Masayuki TAKASHIMA, Toshiaki FUJIHARA
  • Patent number: 9268183
    Abstract: At least either a first substrate or a second substrate has regions corresponding to subpixels (15a, 15b, 15c) and provided with ribs (100a) for controlling how a liquid crystal material is aligned. Scanning signal lines (32) and picture element electrodes (60) are overlapped with each other via an insulating material as seen in plan view. The ribs (100a) and the scanning signal lines (32) are at least partially overlapped with each other as seen in plan view.
    Type: Grant
    Filed: December 3, 2008
    Date of Patent: February 23, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Katsushige Asada, Masahiro Yoshida, Masakatsu Tominaga, Tetsuya Fujikawa, Junichi Morinaga, Toshiaki Fujihara
  • Publication number: 20150077317
    Abstract: A matrix substrate includes: a pixel region (A); a first line (G) that is connected to the pixels arrayed in one direction in the pixel region (A); a second line (S) that is connected to the pixels arrayed in a direction different from the one direction; a terminal region (17a) in which a terminal for inputting a signal is arranged; and a left lead line (kS3, kS4) that goes around the left side of the pixel region (A) from a side of the pixel region (A) where the terminal region (17a) is provided and is led out to the opposite side, and a right lead line (kS1, kS2) that goes around the right side and is led out to the opposite side. The left lead line and the right lead line are connected to the first line (G) or the second line (S) via a collective region (D).
    Type: Application
    Filed: April 18, 2013
    Publication date: March 19, 2015
    Inventors: Masakazu Miyamoto, Toshiaki Fujihara, Kazuhiro Yoshikawa, Yoshihiro Asai
  • Patent number: 8462099
    Abstract: In one embodiment of the present invention, a display panel includes an active matrix type pixel region including scanning signal lines each of which is connected to three terminal elements each of which serves as an active element, the active matrix type pixel region including a non-rectangular shape by being configured such that the respective scanning signal lines are connected with various numbers of the three terminal elements according to where the scanning signal lines are located, and a shift register which drives the scanning signal lines, the shift register being formed in a region on a panel substrate, the region being adjacent to the pixel region in a direction in which the scanning signal lines extend.
    Type: Grant
    Filed: July 4, 2008
    Date of Patent: June 11, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Satoshi Horiuchi, Toshiaki Fujihara, Takaharu Yamada, Isao Ogasawara, Hironobu Sawada
  • Patent number: 8400597
    Abstract: Each of picture elements (14) has a plurality of alignment regions (R1, R2, R3, and R4), in each of which liquid crystal molecules contained in a liquid crystal layer are aligned in a direction that is different from those in the others of the plurality of alignment regions. Each of a plurality of scanning signal lines (32) and a border region (R11 and R12) between corresponding adjacent ones of the plurality of alignment regions (R1, R2, R3, and R4) at least partially overlap each other when viewed from above.
    Type: Grant
    Filed: March 27, 2009
    Date of Patent: March 19, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Junichi Morinaga, Katsushige Asada, Masahiro Yoshida, Tetsuya Fujikawa, Katsuhiro Mikumo, Kuniko Maeno, Ryohki Itoh, Satoshi Horiuchi, Tatsuji Saitoh, Isao Ogasawara, Kazunori Tanimoto, Katsuhiro Okada, Toshiaki Fujihara, Masakatsu Tominaga
  • Patent number: 8378928
    Abstract: The present invention provides an irregularly-shaped display panel having a display region with a contour section having a good appearance, which is easily designed and produced. The present invention is a display panel comprising a display region including: an array of a plurality of pixels each constituted by a plurality of sub-pixels; and a plurality of wirings provided along boundaries of the plurality of sub-pixels, wherein a plurality of pixels include a pixel for a contour located in a contour section of the display region; the sub-pixels constituting the pixel for a contour have aperture regions having similar aperture areas to one another and contour lines each running in parallel with a drawing direction of one of the wirings at least on the side of a frame region; and the aperture area of the pixel for a contour is smaller than an aperture area of a pixel located at an inner side of the contour section of the display region.
    Type: Grant
    Filed: June 16, 2008
    Date of Patent: February 19, 2013
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Isao Ogasawara, Toshiaki Fujihara, Takaharu Yamada
  • Patent number: 8125584
    Abstract: The present invention provides a liquid crystal display panel capable of providing a high contrast ratio with a storage capacitance being secured, and also provides a liquid crystal display device including such a panel. The present invention is a liquid crystal display panel having a structure in which a liquid crystal layer is interposed between a first substrate and a second substrate, wherein at least one of the first substrate and the second substrate includes a projection for liquid crystal alignment control, the first substrate includes a scanning signal line, a data signal line, a drain electrode electrically connected to a pixel electrode, a switching element, and a storage capacitor wiring, the storage capacitor wiring includes a main wiring part and a branch part, the branch part being connected to the main wiring part and overlapping with the projection for liquid crystal alignment control.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: February 28, 2012
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Satoshi Horiuchi, Toshiaki Fujihara, Masakatsu Tominaga, Hitoshi Matsumoto, Hironobu Sawada, Ryohki Itoh
  • Publication number: 20110075087
    Abstract: Each of picture elements (14) has a plurality of alignment regions (R1, R2, R3, and R4), in each of which liquid crystal molecules contained in a liquid crystal layer are aligned in a direction that is different from those in the others of the plurality of alignment regions. Each of a plurality of scanning signal lines (32) and a border region (R11 and R12) between corresponding adjacent ones of the plurality of alignment regions (R1, R2, R3, and R4) at least partially overlap each other when viewed from above.
    Type: Application
    Filed: March 27, 2009
    Publication date: March 31, 2011
    Inventors: Junichi Morinaga, Katsushige Asada, Masahiro Yoshida, Tetsuya Fujikawa, Katsuhiro Mikumo, Kuniko Maeno, Ryohki Itoh, Satoshi Horiuchi, Tatsuji Saitoh, Isao Ogasawara, Kazunori Tanimoto, Katsuhiro Okada, Toshiaki Fujihara, Masakatsu Tominaga