Patents by Inventor Akio Ota
Akio Ota 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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Publication number: 20180356698Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.Type: ApplicationFiled: August 21, 2018Publication date: December 13, 2018Inventors: Shumpei Takeuchi, Akio Ota
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Patent number: 10108062Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.Type: GrantFiled: October 6, 2016Date of Patent: October 23, 2018Assignee: Japan Display Inc.Inventors: Shumpei Takeuchi, Akio Ota
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Publication number: 20180070844Abstract: A myocardial excitation complementation/visualization apparatus includes an acquiring section that acquires intracardiac electrocardiograms of a subject, the intracardiac electrocardiograms being recorded by a recording unit having a plurality of electrodes, a processing section that performs a computation for completing and visualizing a state of excitation in a myocardium of the subject based on the intracardiac electrocardiograms, and a displaying section that displays the state of excitation in the myocardium of the subject based on an output of the processing section. The processing section includes a first generating section, a correcting section, a second generating section, and a third generating section. The displaying section displays a change of the state of excitation in the myocardium of the subject based on the visualized data.Type: ApplicationFiled: March 15, 2016Publication date: March 15, 2018Applicants: SHIGA UNIVERSITY OF MEDICAL SCIENCE, NIHON KOHDEN CORPORATION, NATIONAL CEREBRAL AND CARDIOVASCULAR CENTERInventors: Takashi ASHIHARA, Koji TAKIZAWA, Tatsuo NISHIHARA, Nobuhiro SUZUKI, Yuuho IWANAGA, Akio OTA, Takeshi TSUCHIYA, Kazuo NAKAZAWA, Shin INADA
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Publication number: 20170068138Abstract: A transverse electric field type liquid crystal display panel includes a pair of substrates opposed with a liquid crystal layer interposed therebetween. A plurality of sub-pixels having at least one curved portion in a display area are provided in a matrix on one side of the pair of substrates, and a pair of electrodes having at least one curved portion are formed in the plurality of sub-pixels. A light shield layer shielding a non-display area positioned on an outer peripheral side of the display area and between the plurality of sub-pixels is formed on the other side of the pair of substrates. The light shield layer of the non-display area is formed in a shape in which the outermost peripheral side of the display area is rectangular.Type: ApplicationFiled: November 2, 2016Publication date: March 9, 2017Inventor: Akio Ota
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Publication number: 20170023838Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.Type: ApplicationFiled: October 6, 2016Publication date: January 26, 2017Inventors: Shumpei Takeuchi, Akio Ota
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Patent number: 9507223Abstract: A transverse electric field type liquid crystal display panel includes a pair of substrates opposed with a liquid crystal layer interposed therebetween. A plurality of sub-pixels having at least one curved portion in a display area are provided in a matrix on one side of the pair of substrates, and a pair of electrodes having at least one curved portion are formed in the plurality of sub-pixels. A light shield layer shielding a non-display area positioned on an outer peripheral side of the display area and between the plurality of sub-pixels is formed on the other side of the pair of substrates. The light shield layer of the non-display area is formed in a shape in which the outermost peripheral side of the display area is rectangular.Type: GrantFiled: April 17, 2015Date of Patent: November 29, 2016Assignee: Japan Display Inc.Inventor: Akio Ota
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Patent number: 9482918Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.Type: GrantFiled: September 23, 2015Date of Patent: November 1, 2016Assignee: Japan Display Inc.Inventors: Shumpei Takeuchi, Akio Ota
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Publication number: 20160011475Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.Type: ApplicationFiled: September 23, 2015Publication date: January 14, 2016Inventors: Shumpei Takeuchi, Akio Ota
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Patent number: 9188821Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.Type: GrantFiled: July 17, 2013Date of Patent: November 17, 2015Assignee: Japan Display Inc.Inventors: Shumpei Takeuchi, Akio Ota
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Patent number: 9188824Abstract: According to an aspect, a display device includes: a first substrate; a second substrate arranged opposite to the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a plurality of pixels arranged in a matrix on the first substrate; a first scan line arranged between a first row of the pixels and a second row of the pixels adjacent to the first row; a second scan line arranged between the second row of the pixels and the first scan line; and a spacer for maintaining a gap between the first substrate and the second substrate. A first area on which the spacer is disposed overlaps at least part of a second area partitioned by the first scan line and the second scan line.Type: GrantFiled: February 12, 2014Date of Patent: November 17, 2015Assignee: Japan Display Inc.Inventors: Hirofumi Ohira, Akio Ota
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Patent number: 9164328Abstract: A spacer portion for keeping a thickness of a liquid crystal layer is provided at an intersecting portion between a gate wiring and a source wiring when seen in a plan view, and a light shielding portion for spacer portion which shields the spacer portion from light is provided. The spacer portion is disposed in a region in which the light shielding portion for spacer portion is provided when seen in a plan view. Then, the source wiring has two bend portions which are bent in mutually different directions in the region in which the light shielding portion for spacer portion is provided when seen in a plan view.Type: GrantFiled: July 17, 2013Date of Patent: October 20, 2015Assignee: Japan Display Inc.Inventors: Shumpei Takeuchi, Akio Ota
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Publication number: 20150261051Abstract: A transverse electric field type liquid crystal display panel includes a pair of substrates opposed with a liquid crystal layer interposed therebetween. A plurality of sub-pixels having at least one curved portion in a display area are provided in a matrix on one side of the pair of substrates, and a pair of electrodes having at least one curved portion are formed in the plurality of sub-pixels. A light shield layer shielding a non-display area positioned on an outer peripheral side of the display area and between the plurality of sub-pixels is formed on the other side of the pair of substrates. The light shield layer of the non-display area is formed in a shape in which the outermost peripheral side of the display area is rectangular.Type: ApplicationFiled: April 17, 2015Publication date: September 17, 2015Inventor: Akio Ota
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Patent number: 9111809Abstract: A circuit substrate includes, on an insulating substrate, a plurality of devices, a plurality of conductive layers connected in one-to-one correspondence with the devices, and an insulating layer provided between the devices and the conductive layers. The insulating layer includes a first insulating layer covering the devices, a second insulating layer formed on the first insulating layer, and a plurality of contact holes each passing through the first and second insulating layers in a thickness direction thereof. Side surfaces of the first and second insulating layers contact each other in at least part of the inside of each contact hole. Each conductive layer extends along an upper surface of the second insulating layer, at least a part of a side surface of the contact hole in which the side surfaces of the first and second insulating layers contact each other, and a bottom surface of the contact hole.Type: GrantFiled: January 23, 2013Date of Patent: August 18, 2015Assignee: Japan Display Inc.Inventors: Shunpei Takeuchi, Akio Ota, Manabu Mizuno, Takaya Hirose
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Patent number: 9052554Abstract: A liquid crystal display panel includes: substrates arranged opposite to each other with a liquid crystal layer therebetween. One of the substrates includes scanning and signal lines arranged in a matrix in a display area, a common wiring line along a peripheral edge portion of the display area, an interlayer resin film at least over the whole display area, and lower and upper electrodes arranged opposite to each other with an inter-electrode insulating film therebetween. The upper electrode includes slits in each pixel area sectioned by the scanning and signal lines. One of the upper and lower electrodes is formed over the whole display area and connected to the common wiring line and operates as a common electrode. In the display area, a common line is formed in parallel to the scanning line, the electrode operating as the common electrode is connected to the common line through a contact hole and the common line is connected to the common wiring line at the peripheral edge portion.Type: GrantFiled: August 27, 2010Date of Patent: June 9, 2015Assignee: Japan Display Inc.Inventors: Akio Ota, Sachiko Watanabe
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Patent number: 9041884Abstract: A transverse electric field type liquid crystal display panel includes a pair of substrates opposed with a liquid crystal layer interposed therebetween. A plurality of sub-pixels having at least one curved portion in a display area are provided in a matrix on one side of the pair of substrates, and a pair of electrodes having at least one curved portion are formed in the plurality of sub-pixels. A light shield layer shielding a non-display area positioned on an outer peripheral side of the display area and between the plurality of sub-pixels is formed on the other side of the pair of substrates. The light shield layer of the non-display area is formed in a shape in which the outermost peripheral side of the display area is rectangular.Type: GrantFiled: October 8, 2013Date of Patent: May 26, 2015Assignee: Japan Display Inc.Inventor: Akio Ota
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Publication number: 20140232975Abstract: According to an aspect, a display device includes: a first substrate; a second substrate arranged opposite to the first substrate; a liquid crystal layer interposed between the first substrate and the second substrate; a plurality of pixels arranged in a matrix on the first substrate; a first scan line arranged between a first row of the pixels and a second row of the pixels adjacent to the first row; a second scan line arranged between the second row of the pixels and the first scan line; and a spacer for maintaining a gap between the first substrate and the second substrate. A first area on which the spacer is disposed overlaps at least part of a second area partitioned by the first scan line and the second scan line.Type: ApplicationFiled: February 12, 2014Publication date: August 21, 2014Applicant: JAPAN DISPLAY INC.Inventors: Hirofumi Ohira, Akio Ota
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Publication number: 20140036213Abstract: A transverse electric field type liquid crystal display panel includes a pair of substrates opposed with a liquid crystal layer interposed therebetween. A plurality of sub-pixels having at least one curved portion in a display area are provided in a matrix on one side of the pair of substrates, and a pair of electrodes having at least one curved portion are formed in the plurality of sub-pixels. A light shield layer shielding a non-display area positioned on an outer peripheral side of the display area and between the plurality of sub-pixels is formed on the other side of the pair of substrates. The light shield layer of the non-display area is formed in a shape in which the outermost peripheral side of the display area is rectangular.Type: ApplicationFiled: October 8, 2013Publication date: February 6, 2014Applicant: Japan Display West Inc.Inventor: Akio Ota
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Publication number: 20140028938Abstract: A spacer portion for keeping a thickness of a liquid crystal layer is provided at an intersecting portion between a gate wiring and a source wiring when seen in a plan view, and a light shielding portion for spacer portion which shields the spacer portion from light is provided. The spacer portion is disposed in a region in which the light shielding portion for spacer portion is provided when seen in a plan view. Then, the source wiring has two bend portions which are bent in mutually different directions in the region in which the light shielding portion for spacer portion is provided when seen in a plan view.Type: ApplicationFiled: July 17, 2013Publication date: January 30, 2014Inventors: Shumpei Takeuchi, Akio Ota
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Publication number: 20140028942Abstract: In a liquid crystal display device, an upper electrode and a drain electrode are reliably connected to each other electrically, with preventing or suppressing an occurrence of an aperture ratio loss, or sufficiently reducing a parasitic capacitance between the scanning line and the lower electrode. An interlayer resin film is formed on a drain electrode, with a hole being formed on the interlayer resin film, and on the drain electrode exposed to a bottom portion of the hole, an island-shaped electrode is formed separately from a lower electrode. Moreover, on the island-shaped electrode, an inter-electrode insulating film is formed, a contact hole is formed in the inter-electrode insulating film, and an upper electrode is formed on the island-shaped electrode exposed to a bottom portion of the contact hole.Type: ApplicationFiled: July 17, 2013Publication date: January 30, 2014Inventors: Shumpei Takeuchi, Akio Ota
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Patent number: 8629962Abstract: A liquid crystal display panel includes: first and second substrates facing each other. The first substrate includes a plurality of scanning lines and signal lines intersecting each other, an upper electrode having a plurality of slit-shaped openings formed for each sub-pixel, and a lower electrode. The second substrate includes a light-shielding layer formed so as to overlap the scanning line and a signal line in a plan view, and a color filter layer formed in each of the sub-pixels defined by the scanning lines and the signal lines. A single pixel is formed by the plurality of sub-pixels including the color filter layers of different colors, respectively. The length of the slit-shaped opening in a longitudinal direction in the sub-pixel corresponding to at least one color is shorter than the length of the slit-shaped opening in the longitudinal direction in the sub-pixel corresponding to the other colors.Type: GrantFiled: September 22, 2011Date of Patent: January 14, 2014Assignee: Japan Display West Inc.Inventor: Akio Ota