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).
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Patent number: 11815769Abstract: 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: GrantFiled: November 22, 2022Date of Patent: November 14, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Ryosuke Yuminami, Masakazu Miyamoto, Masahiro Yoshida, Masayuki Takashima, Toshiaki Fujihara
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Publication number: 20230080375Abstract: 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: ApplicationFiled: November 22, 2022Publication date: March 16, 2023Inventors: Ryosuke YUMINAMI, Masakazu MIYAMOTO, Masahiro YOSHIDA, Masayuki TAKASHIMA, Toshiaki FUJIHARA
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Patent number: 11513403Abstract: 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: GrantFiled: April 23, 2021Date of Patent: November 29, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Ryosuke Yuminami, Masakazu Miyamoto, Masahiro Yoshida, Masayuki Takashima, Toshiaki Fujihara
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Publication number: 20210375226Abstract: 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: ApplicationFiled: April 16, 2021Publication date: December 2, 2021Inventors: TOSHIAKI FUJIHARA, KIMIHIRO ARAI
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Publication number: 20210240028Abstract: 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: ApplicationFiled: April 23, 2021Publication date: August 5, 2021Inventors: Ryosuke YUMINAMI, Masakazu MIYAMOTO, Masahiro YOSHIDA, Masayuki TAKASHIMA, Toshiaki FUJIHARA
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Patent number: 10989967Abstract: 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: GrantFiled: July 2, 2019Date of Patent: April 27, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Ryosuke Yuminami, Masakazu Miyamoto, Masahiro Yoshida, Masayuki Takashima, Toshiaki Fujihara
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Patent number: 10989964Abstract: 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: GrantFiled: February 10, 2017Date of Patent: April 27, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Masanobu Mizusaki, Hiroshi Tsuchiya, Katsuya Ogawa, Toshiaki Fujihara
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Publication number: 20190324311Abstract: 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: ApplicationFiled: July 2, 2019Publication date: October 24, 2019Inventors: Ryosuke YUMINAMI, Masakazu MIYAMOTO, Masahiro YOSHIDA, Masayuki TAKASHIMA, Toshiaki FUJIHARA
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Patent number: 10394094Abstract: 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: GrantFiled: February 27, 2014Date of Patent: August 27, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Ryosuke Yuminami, Masakazu Miyamoto, Masahiro Yoshida, Masayuki Takashima, Toshiaki Fujihara
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Publication number: 20190196265Abstract: 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: ApplicationFiled: December 23, 2018Publication date: June 27, 2019Inventor: TOSHIAKI FUJIHARA
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Publication number: 20190033665Abstract: 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: ApplicationFiled: February 10, 2017Publication date: January 31, 2019Inventors: MASANOBU MIZUSAKI, HIROSHI TSUCHIYA, KATSUYA OGAWA, TOSHIAKI FUJIHARA
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Publication number: 20180149896Abstract: 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: ApplicationFiled: May 16, 2016Publication date: May 31, 2018Inventors: KAZUYUKI ABURAZAKI, ATSUO KONISHI, TOSHIAKI FUJIHARA
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Publication number: 20160070130Abstract: 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: ApplicationFiled: February 27, 2014Publication date: March 10, 2016Inventors: Ryosuke YUMINAMI, Masakazu MIYAMOTO, Masahiro YOSHIDA, Masayuki TAKASHIMA, Toshiaki FUJIHARA
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Patent number: 9268183Abstract: 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: GrantFiled: December 3, 2008Date of Patent: February 23, 2016Assignee: SHARP KABUSHIKI KAISHAInventors: Katsushige Asada, Masahiro Yoshida, Masakatsu Tominaga, Tetsuya Fujikawa, Junichi Morinaga, Toshiaki Fujihara
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Publication number: 20150077317Abstract: 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: ApplicationFiled: April 18, 2013Publication date: March 19, 2015Inventors: Masakazu Miyamoto, Toshiaki Fujihara, Kazuhiro Yoshikawa, Yoshihiro Asai
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Patent number: 8462099Abstract: 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: GrantFiled: July 4, 2008Date of Patent: June 11, 2013Assignee: Sharp Kabushiki KaishaInventors: Satoshi Horiuchi, Toshiaki Fujihara, Takaharu Yamada, Isao Ogasawara, Hironobu Sawada
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Patent number: 8400597Abstract: 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: GrantFiled: March 27, 2009Date of Patent: March 19, 2013Assignee: Sharp Kabushiki KaishaInventors: 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
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Patent number: 8378928Abstract: 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: GrantFiled: June 16, 2008Date of Patent: February 19, 2013Assignee: Sharp Kabushiki KaishaInventors: Isao Ogasawara, Toshiaki Fujihara, Takaharu Yamada
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Patent number: 8125584Abstract: 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: GrantFiled: September 4, 2007Date of Patent: February 28, 2012Assignee: Sharp Kabushiki KaishaInventors: Satoshi Horiuchi, Toshiaki Fujihara, Masakatsu Tominaga, Hitoshi Matsumoto, Hironobu Sawada, Ryohki Itoh
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Publication number: 20110075087Abstract: 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: ApplicationFiled: March 27, 2009Publication date: March 31, 2011Inventors: 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