Patents by Inventor Yusuke Nishihara
Yusuke Nishihara 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: 10650762Abstract: During a drive period, luminance momentarily decreases when the value ?(A?B) is positive and momentarily increases when the value ?(A?B) is negative. When the luminance increases during a pause period in accordance with the balance in time constant between an alignment film and a liquid crystal material that are included in a pixel forming portion, primary and secondary parasitic capacitances are adjusted so as to set the value ?(A?B) to be negative.Type: GrantFiled: April 3, 2019Date of Patent: May 12, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Makoto Kitagawa, Hideki Fujimoto, Yusuke Nishihara
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Publication number: 20190311688Abstract: During a drive period, luminance momentarily decreases when the value ?(A?B) is positive and momentarily increases when the value ?(A?B) is negative. When the luminance increases during a pause period in accordance with the balance in time constant between an alignment film and a liquid crystal material that are included in a pixel forming portion, primary and secondary parasitic capacitances are adjusted so as to set the value ?(A?B) to be negative.Type: ApplicationFiled: April 3, 2019Publication date: October 10, 2019Inventors: Makoto KITAGAWA, Hideki FUJIMOTO, Yusuke NISHIHARA
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Publication number: 20190088224Abstract: Common electrodes are provided in a manner in which the common electrodes are divided into a common electrode for an odd column corresponding to a pixel electrode to which a positive video signal is applied in a certain frame period, and a common electrode for an even column corresponding to a pixel electrode to which a negative video signal is applied in the certain frame period. A common electrode driver is configured to be capable of separately applying a voltage to the common electrode for the odd column and the common electrode for the even column.Type: ApplicationFiled: September 18, 2018Publication date: March 21, 2019Inventors: HIDEKI FUJIMOTO, MAKOTO KITAGAWA, YUSUKE NISHIHARA, YOSHITO HASHIMOTO
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Patent number: 10055272Abstract: Provided is a storage system which is connected to a host computer and whereby data is read and written. The storage system comprises: a storage device which stores the data; and a storage controller wherein an error is detected by one of a plurality of first sections which are sections upon a transfer path of the data with respect to the storage device in a full check mode, an error is detected by one of second sections which are fewer than the first sections in a regular mode, and a switch is made to the full check mode when the error is detected in the regular mode.Type: GrantFiled: October 24, 2013Date of Patent: August 21, 2018Assignee: HITACHI, LTD.Inventors: Yusuke Nishihara, Yuko Matsui, Shintaro Kudo
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Patent number: 9933662Abstract: A liquid crystal display device (100) includes a liquid crystal layer (30) of a vertical alignment type, a first photo-alignment film (12), and a second photo-alignment film (22). The first photo-alignment film includes a first pre-tilt region (12a) and a second pre-tilt region (12b) defining pre-tilt directions (PD1, PD2) that are anti-parallel to each other. The second photo-alignment film includes a third pre-tilt region (22a) and a fourth pre-tilt region (22b) defining pre-tilt directions (PD3, PD4) that are anti-parallel to each other. The entire boundary (BD1) between the first pre-tilt region and the second pre-tilt region and the entire boundary (BD2) between the third pre-tilt region and the fourth pre-tilt region are aligned with each other, as seen from the display plane normal direction.Type: GrantFiled: February 27, 2014Date of Patent: April 3, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Ken Kuboki, Yusuke Nishihara
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Patent number: 9897860Abstract: A first photo-alignment film (12) of a liquid crystal display device (100) includes a first and a second pre-tilt region (12a, 12b) defining pre-tilt directions (PD1, PD2) that are anti-parallel to each other, and a second photo-alignment film (22) thereof includes a third and a fourth pre-tilt region (22a, 22b) defining pre-tilt directions (PD3, PD4) that are anti-parallel to each other. The entire boundary (BD1) between the first and second pre-tilt regions and the entire boundary (BD2) between the third and fourth pre-tilt regions are aligned with each other, as seen from the display plane normal direction. A pixel electrode (11) includes a first and a second cut-off portion (11a1, 11a2) provided by cutting off at least a part of a particular edge portion (11e1, 11e2) of the outer perimeter thereof.Type: GrantFiled: August 26, 2014Date of Patent: February 20, 2018Assignee: Sharp Kabushiki KaishaInventors: Ken Kuboki, Tsuyoshi Okazaki, Yusuke Nishihara
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Patent number: 9891483Abstract: A liquid crystal display device includes a plurality of pixels arranged in a matrix pattern, each pixel including a first electrode and a second electrode for generating a transverse electric field, wherein: in a first group of pixels arranged in a line along either a row direction or a column direction, pairs of pixels are arranged repeatedly, each pair of pixels including two adjacent pixels that are different from each other in terms of an electrode structure of at least one of the first electrode and the second electrode; and voltages of the same polarity are applied to the two adjacent pixels included in the pair of pixels, and voltages of different polarities from each other are applied to two pixel pairs adjacent to each other in the first group of pixels.Type: GrantFiled: February 27, 2014Date of Patent: February 13, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Yusuke Nishihara, Kazuhiko Tsuda, Tetsuo Fukaya, Hideki Fujimoto, Yoshito Hashimoto, Masahiro Shimizu
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Patent number: 9864240Abstract: The present invention provides a fringe field switching (FFS) mode liquid crystal display device that makes it possible to improve transmittance when a voltage is applied.Type: GrantFiled: August 27, 2014Date of Patent: January 9, 2018Assignee: SHARP KABUSHIKI KAISHAInventors: Tetsuo Fukaya, Yoshito Hashimoto, Yusuke Nishihara
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Publication number: 20160370664Abstract: The present invention provides a fringe field switching (FFS) mode liquid crystal display device that makes it possible to improve transmittance when a voltage is applied.Type: ApplicationFiled: August 27, 2014Publication date: December 22, 2016Applicant: Sharp Kabushiki KaishaInventors: Tetsuo FUKAYA, Yoshito HASHIMOTO, Yusuke NISHIHARA
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Publication number: 20160266442Abstract: A first photo-alignment film (12) of a liquid crystal display device (100) includes a first and a second pre-tilt region (12a, 12b) defining pre-tilt directions (PD1, PD2) that are anti-parallel to each other, and a second photo-alignment film (22) thereof includes a third and a fourth pre-tilt region (22a, 22b) defining pre-tilt directions (PD3, PD4) that are anti-parallel to each other. The entire boundary (BD1) between the first and second pre-tilt regions and the entire boundary (BD2) between the third and fourth pre-tilt regions are aligned with each other, as seen from the display plane normal direction. A pixel electrode (11) includes a first and a second cut-off portion (11a1, 11a2) provided by cutting off at least a part of a particular edge portion (11e1, 11e2) of the outer perimeter thereof.Type: ApplicationFiled: August 26, 2014Publication date: September 15, 2016Inventors: Ken KUBOKI, Tsuyoshi OKAZAKI, Yusuke NISHIHARA
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Publication number: 20160246660Abstract: Provided is a storage system which is connected to a host computer and whereby data is read and written. The storage system comprises: a storage device which stores the data; and a storage controller wherein an error is detected by one of a plurality of first sections which are sections upon a transfer path of the data with respect to the storage device in a full check mode, an error is detected by one of second sections which are fewer than the first sections in a regular mode, and a switch is made to the full check mode when the error is detected in the regular mode.Type: ApplicationFiled: October 24, 2013Publication date: August 25, 2016Applicant: HITACHI, LTD.Inventors: Yusuke NISHIHARA, Yuko MATSUI, Shintaro KUDO
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Publication number: 20160139466Abstract: A liquid crystal display device (100) includes a liquid crystal layer (30) of a vertical alignment type, a first photo-alignment film (12), and a second photo-alignment film (22). The first photo-alignment film includes a first pre-tilt region (12a) and a second pre-tilt region (12b) defining pre-tilt directions (PD1, PD2) that are anti-parallel to each other. The second photo-alignment film includes a third pre-tilt region (22a) and a fourth pre-tilt region (22b) defining pre-tilt directions (PD3, PD4) that are anti-parallel to each other. The entire boundary (BD1) between the first pre-tilt region and the second pre-tilt region and the entire boundary (BD2) between the third pre-tilt region and the fourth pre-tilt region are aligned with each other, as seen from the display plane normal direction.Type: ApplicationFiled: February 27, 2014Publication date: May 19, 2016Inventors: Ken KUBOKI, Yusuke NISHIHARA
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Publication number: 20160085122Abstract: A liquid crystal display device includes a plurality of pixels arranged in a matrix pattern, each pixel including a first electrode and a second electrode for generating a transverse electric field, wherein: in a first group of pixels arranged in a line along either a row direction or a column direction, pairs of pixels are arranged repeatedly, each pair of pixels including two adjacent pixels that are different from each other in terms of an electrode structure of at least one of the first electrode and the second electrode; and voltages of the same polarity are applied to the two adjacent pixels included in the pair of pixels, and voltages of different polarities from each other are applied to two pixel pairs adjacent to each other in the first group of pixels.Type: ApplicationFiled: February 27, 2014Publication date: March 24, 2016Inventors: Yusuke NISHIHARA, Kazuhiko TSUDA, Tetsuo FUKAYA, Hideki FUJIMOTO, Yoshito HASHIMOTO, Masahiro SHIMIZU
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Patent number: 9057916Abstract: In a liquid crystal display apparatus, an angle of orientation of a first extension orientation of a first slit is not greater than an angle of orientation of a first director orientation, an angle of orientation of a second extension orientation of a second slit is not smaller than an angle of orientation of a second director orientation, and a difference between the angle of orientation of the second extension orientation and the angle of orientation of the second director orientation is greater than a difference between the angle of orientation of the first extension orientation and the angle of orientation of the first director orientation.Type: GrantFiled: February 20, 2012Date of Patent: June 16, 2015Assignee: Sharp Kabushiki KaishaInventors: Ken Kuboki, Akira Shibazaki, Satomi Hasegawa, Hiroshi Tsuchiya, Yusuke Nishihara, Taichi Sasaki, Seiji Tanuma
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Patent number: 9001296Abstract: A liquid crystal display apparatus includes an electrode and a slit formation region provided in the electrode and extending in a direction of extension of a boundary line, a first alignment region and a third alignment region are formed such that liquid crystal molecules are aligned toward a first director orientation, a second alignment region and a fourth alignment region are formed such that liquid crystal molecules are aligned toward a second director orientation greater in an angle of orientation than the first director orientation, an angle of orientation of a first slit orientation is not greater than an angle of orientation of the first director orientation, and an angle of orientation of a second slit orientation is not smaller than an angle of orientation of the second director orientation.Type: GrantFiled: February 20, 2012Date of Patent: April 7, 2015Assignee: Sharp Kabushiki KaishaInventors: Ken Kuboki, Akira Shibazaki, Satomi Hasegawa, Hiroshi Tsuchiya, Yusuke Nishihara, Taichi Sasaki, Seiji Tanuma
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Patent number: 9001295Abstract: A liquid crystal display device includes: a liquid crystal layer extending at least in a display region; first and second substrates affixed to each other so as to sandwich the liquid crystal layer therebetween; and a pair of polarization plates disposed to sandwich these substrates therebetween. The first substrate is provided with a pixel electrode corresponding to each of a plurality of pixels. The second substrate is provided with a counter electrode so as to face the pixel electrode. A first alignment film is disposed on the pixel electrode. A second alignment film is disposed on the counter electrode. The pixels each include a plurality of domains having different combinations of alignment directions of the first and second alignment films. The pixel electrode has a slit group along at least a part of an outline of the pixel electrode and in the vicinity of the outline.Type: GrantFiled: January 16, 2012Date of Patent: April 7, 2015Assignee: Sharp Kabushiki KaishaInventors: Akira Shibazaki, Ken Kuboki, Satomi Hasegawa, Hiroshi Tsuchiya, Yusuke Nishihara, Taichi Sasaki, Seiji Tanuma
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Patent number: 8847863Abstract: Disclosed is a liquid crystal display device of active matrix type. Each pixel electrode (1) includes either a single regional electrode (2) or two or more regional electrodes (2) which are electrically connected to each other. The or each regional electrode is provided with: a first electrode (cross-shaped electrode) (3) which has a pattern dividing a first region into a plurality of second regions (R1, R2, R3, and R4); and a plurality of stripe electrodes (4) which are provided in each of the second regions so as to extend from the first electrode and so as to be separated from each other by a distance. A storage capacitor line (CSL) is provided facing one of pixel electrodes (1) in a film thickness direction to form a storage capacitor. The storage capacitor line (CSL) is provided so as not to extend facing an edge (2e, 2e?) of a first region in the film thickness direction parallelly to the edge (2e, 2e?).Type: GrantFiled: December 20, 2010Date of Patent: September 30, 2014Assignee: Sharp Kabushiki KaishaInventors: Yuichi Iyama, Akira Shibazaki, Yoshito Hashimoto, Masahiro Shimizu, Hiroshi Tsuchiya, Yusuke Nishihara, Ken Kuboki
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Patent number: 8667218Abstract: A RAID group of RAID 1 series comprises one or more pairs of first storage devices and second storage devices. A storage apparatus reads data from the entire area of a first storage block group including the write destination of write target data in the first storage device. The storage apparatus, in accordance with the write target data and staging data which is the read data, generates one or more data units each of which is the data configured of the write target data or the copy of the same and the staging data part or the copy of the same and of the same size as the first storage block group. The controller writes any of the one or more data units to the first storage block group in the first storage device and, at the same time, writes any of the one or more data units to the second storage block group corresponding to the first storage block group and of the same size as the same in the second storage device.Type: GrantFiled: March 8, 2010Date of Patent: March 4, 2014Assignee: Hitachi, Ltd.Inventors: Yusuke Nishihara, Yuko Matsui, Hiroshi Izuta
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Publication number: 20130329148Abstract: In a liquid crystal display apparatus, an angle of orientation of a first extension orientation of a first slit is not greater than an angle of orientation of a first director orientation, an angle of orientation of a second extension orientation of a second slit is not smaller than an angle of orientation of a second director orientation, and a difference between the angle of orientation of the second extension orientation and the angle of orientation of the second director orientation is greater than a difference between the angle of orientation of the first extension orientation and the angle of orientation of the first director orientation.Type: ApplicationFiled: February 20, 2012Publication date: December 12, 2013Inventors: Ken Kuboki, Akira Shibazaki, Satomi Hasegawa, Hiroshi Tsuchiya, Yusuke Nishihara, Taichi Sasaki, Seiji Tanuma
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Publication number: 20130329175Abstract: A liquid crystal display apparatus includes an electrode and a slit formation region provided in the electrode and extending in a direction of extension of a boundary line, a first alignment region and a third alignment region are formed such that liquid crystal molecules are aligned toward a first director orientation, a second alignment region and a fourth alignment region are formed such that liquid crystal molecules are aligned toward a second director orientation greater in an angle of orientation than the first director orientation, an angle of orientation of a first slit orientation is not greater than an angle of orientation of the first director orientation, and an angle of orientation of a second slit orientation is not smaller than an angle of orientation of the second director orientation.Type: ApplicationFiled: February 20, 2012Publication date: December 12, 2013Applicant: SHARP KABUSHIKI KAISHAInventors: Ken Kuboki, Akira Shibazaki, Satomi Hasegawa, Hiroshi Tsuchiya, Yusuke Nishihara, Taichi Sasaki, Seiji Tanuma