Patents by Inventor Toshimasa YONEKURA
Toshimasa YONEKURA 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: 9671663Abstract: According to one embodiment, a liquid crystal display includes an array substrate provided with pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, a first gate line placed on one side of the pixel electrodes in a second direction, a second gate line placed on the other side of the pixel electrodes, a source line extending along the second direction, a first pixel switch for switching connection of the source line with the first pixel electrode by a gate signal provided through the first gate line, and a second pixel switch for switching connection of the source line with the second pixel electrode by another gate signal provided through the second gate line, an counter-substrate provided with an common electrode, and a liquid crystal layer held between the substrates.Type: GrantFiled: September 16, 2016Date of Patent: June 6, 2017Assignee: Japan Display Inc.Inventor: Toshimasa Yonekura
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Publication number: 20170003561Abstract: According to one embodiment, a liquid crystal display includes an array substrate provided with pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, a first gate line placed on one side of the pixel electrodes in a second direction, a second gate line placed on the other side of the pixel electrodes, a source line extending along the second direction, a first pixel switch for switching connection of the source line with the first pixel electrode by a gate signal provided through the first gate line, and a second pixel switch for switching connection of the source line with the second pixel electrode by another gate signal provided through the second gate line, an counter-substrate provided with an common electrode, and a liquid crystal layer held between the substrates.Type: ApplicationFiled: September 16, 2016Publication date: January 5, 2017Applicant: Japan Display Inc.Inventor: Toshimasa YONEKURA
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Patent number: 9477126Abstract: According to one embodiment, a liquid crystal display includes an array substrate provided with pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, a first gate line placed on one side of the pixel electrodes in a second direction, a second gate line placed on the other side of the pixel electrodes, a source line extending along the second direction, a first pixel switch for switching connection of the source line with the first pixel electrode by a gate signal provided through the first gate line, and a second pixel switch for switching connection of the source line with the second pixel electrode by another gate signal provided through the second gate line, an counter-substrate provided with an common electrode, and a liquid crystal layer held between the substrates.Type: GrantFiled: June 24, 2015Date of Patent: October 25, 2016Assignee: Japan Display Inc.Inventor: Toshimasa Yonekura
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Patent number: 9310652Abstract: An array substrate includes a pixel electrode having a contact portion, a pair of main pixel electrodes extending in a first direction from the contact portion, and a sub-pixel electrode arranged between the contact portion and an end of the main pixel electrode so as to connect the main pixel electrodes. A counter substrate includes a common electrode having first, second and third main common electrodes. The third main common electrode is arranged substantially in the center between the pair of main pixel electrodes. A sub-common electrode is arranged between the contact portion and the sub-pixel electrode in the first direction. The third main common electrode includes a cutout portion, and the sub-pixel electrode crosses the third main common electrode at the cutout portion. The first sub-common electrode includes cutout portions, and the pair of main pixel electrodes cross the first sub-common electrode at the cutout portions, respectively.Type: GrantFiled: July 12, 2013Date of Patent: April 12, 2016Assignee: Japan Display Inc.Inventors: Toshimasa Yonekura, Masato Kesho
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Patent number: 9250486Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a pixel electrode having a cross shape and surrounded by a first gate line, a second gate line, a first source line and a second source line, the pixel electrode including a main pixel electrode which extends in a first direction and a sub-pixel electrode extending in a second direction, a second substrate including a common electrode, the common electrode including main common electrodes which extend in the first direction and are located, respectively, above the first gate line and above the second gate line, and a liquid crystal layer held between the first substrate and the second substrate.Type: GrantFiled: September 5, 2012Date of Patent: February 2, 2016Assignee: Japan Display Inc.Inventors: Masato Kesho, Masanobu Nonaka, Kazuhiro Takahashi, Toshimasa Yonekura
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Publication number: 20150293421Abstract: According to one embodiment, a liquid crystal display includes an array substrate provided with pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, a first gate line placed on one side of the pixel electrodes in a second direction, a second gate line placed on the other side of the pixel electrodes, a source line extending along the second direction, a first pixel switch for switching connection of the source line with the first pixel electrode by a gate signal provided through the first gate line, and a second pixel switch for switching connection of the source line with the second pixel electrode by another gate signal provided through the second gate line, an counter-substrate provided with an common electrode, and a liquid crystal layer held between the substrates.Type: ApplicationFiled: June 24, 2015Publication date: October 15, 2015Applicant: Japan Display Inc.Inventor: Toshimasa YONEKURA
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Publication number: 20150248043Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a pixel electrode which is located in an inside surrounded by a first gate line, a second gate line, a first source line and a second source line, and a second substrate including a common electrode. The pixel electrode includes a contact portion, two or more main pixel electrodes, and a connection portion connecting the main pixel electrodes.Type: ApplicationFiled: May 15, 2015Publication date: September 3, 2015Applicant: JAPAN DISPLAY INC.Inventors: Masato KESHO, Masanobu NONAKA, Kazuhiro TAKAHASHI, Toshimasa YONEKURA
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Patent number: 9116404Abstract: According to one embodiment, a liquid crystal display includes an array substrate provided with pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, a first gate line placed on one side of the pixel electrodes in a second direction, a second gate line placed on the other side of the pixel electrodes, a source line extending along the second direction, a first pixel switch for switching connection of the source line with the first pixel electrode by a gate signal provided through the first gate line, and a second pixel switch for switching connection of the source line with the second pixel electrode by another gate signal provided through the second gate line, an counter-substrate provided with an common electrode, and a liquid crystal layer held between the substrates.Type: GrantFiled: August 28, 2013Date of Patent: August 25, 2015Assignee: Japan Display Inc.Inventor: Toshimasa Yonekura
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Patent number: 9075271Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a pixel electrode which is located in an inside surrounded by a first gate line, a second gate line, a first source line and a second source line, and a second substrate including a common electrode. The pixel electrode includes a contact portion, two or more main pixel electrodes, and a connection portion connecting the main pixel electrodes. The common electrode includes main common electrodes located above the first gate line, above the second gate line and above a point between the main pixel electrodes, and sub-common electrodes located above the first source line and above the second source line.Type: GrantFiled: August 21, 2012Date of Patent: July 7, 2015Assignee: JAPAN DISPLAY INC.Inventors: Masato Kesho, Masanobu Nonaka, Kazuhiro Takahashi, Toshimasa Yonekura
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Patent number: 9030636Abstract: According to one embodiment, an apparatus includes a first substrate including a pixel electrode including a contact portion, main pixel electrodes extending in a second direction perpendicular to a first direction from two end portions of the contact portion in the first direction, and a connecting portion electrically connecting extended distal ends of the main pixel electrodes, a second substrate including a common electrode including main common electrodes extending substantially parallel to the main pixel electrode on either side of the main pixel electrode, and secondary common electrodes extending between the main common electrodes between the pixel electrodes juxtaposed in the second direction, and a liquid crystal layer.Type: GrantFiled: August 20, 2012Date of Patent: May 12, 2015Assignee: Japan Display Inc.Inventors: Toshimasa Yonekura, Masanobu Nonaka, Kazuhiro Takahashi, Masato Kesho
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Patent number: 9019439Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first gate line and a second gate line, a semiconductor layer, a gate electrode electrically connected to the first gate line, a source electrode which contacts the semiconductor layer and which is electrically connected to a first source line, and a drain electrode including a first electrode portion which contacts the semiconductor layer, a second electrode portion which is connected to the first gate line side of the first electrode portion, and a third electrode portion which is connected to the second gate line side of the first electrode portion, a second substrate including a common electrode, and a liquid crystal layer between the first substrate and the second substrate.Type: GrantFiled: October 5, 2012Date of Patent: April 28, 2015Assignee: Japan Display Inc.Inventors: Masato Kesho, Masanobu Nonaka, Kazuhiro Takahashi, Toshimasa Yonekura
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Publication number: 20150092127Abstract: According to one embodiment, a liquid crystal display device includes an array substrate including pixel electrodes arranged in a matrix, a opposite substrate including a opposite electrode opposing the pixel electrodes, and a liquid crystal layer held between the array opposite substrates. The array substrate includes first and second gate lines provided for pixel electrodes of one row on opposite sides of columns, source lines extending along every two columns between the pixel electrodes, first and second pixel switches connected to the respective pixel electrodes adjacent along the one row, and a auxiliary capacitive line opposing, via an insulating film, electrodes of the first and second pixel switches close to the pixel electrodes, and windingly extending along three sides of each pixel electrode to extend along the one row.Type: ApplicationFiled: October 2, 2014Publication date: April 2, 2015Applicant: Japan Display Inc.Inventor: Toshimasa YONEKURA
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Patent number: 8902391Abstract: According to one embodiment, a device includes a first substrate including a pixel electrode including a contact portion, main pixel electrodes extending from the contact portion in a second direction, and a connection portion which electrically connects the main pixel electrodes, and a switching element including a drain electrode disposed at a middle position in the first direction of the pixel electrode and formed integral with the pixel electrode, a second substrate including main common electrodes extending substantially in parallel to the main pixel electrodes, on both sides of the main pixel electrodes, and sub-common electrodes which extend between the main common electrodes and are located between the pixel electrodes arranged in the second direction, and a liquid crystal layer.Type: GrantFiled: August 20, 2012Date of Patent: December 2, 2014Assignee: Japan Display Inc.Inventors: Toshimasa Yonekura, Masanobu Nonaka, Kazuhiro Takahashi, Masato Kesho
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Patent number: 8786534Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first gate line and a second gate line, a storage capacitance line, a first source line and a second source line, a switching element, and a pixel electrode surrounded by the first gate line, the second gate line, the first source line and the second source line, the pixel electrode including a contact portion which is put in contact with the switching element, a first main pixel electrode and a second main pixel electrode, a second substrate including a common electrode and a liquid crystal layer held between the first substrate and the second substrate.Type: GrantFiled: September 13, 2012Date of Patent: July 22, 2014Assignee: Japan Display Inc.Inventors: Masato Kesho, Masanobu Nonaka, Kazuhiro Takahashi, Toshimasa Yonekura
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Patent number: 8749726Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first storage capacitance line and a second storage capacitance line, a gate line located between the first storage capacitance line and the second storage capacitance line, a semiconductor layer located at a substantially central part of a pixel, a source line put in contact with the semiconductor layer, a drain electrode which is put in contact with the semiconductor layer and extends above the first storage capacitance line and the second storage capacitance line, and a pixel electrode including a first main pixel electrode opposed to the first storage capacitance line, and a second main pixel electrode opposed to the second storage capacitance line.Type: GrantFiled: November 14, 2012Date of Patent: June 10, 2014Assignee: Japan Display Inc.Inventors: Masato Kesho, Masanobu Nonaka, Kazuhiro Takahashi, Toshimasa Yonekura
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Patent number: 8724065Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a pixel electrode disposed in a pixel having a greater length in a first direction than in a second direction crossing the first direction, the pixel electrode including a first main pixel electrode and a second main pixel electrode which extend in the second direction, a contact portion which is located between the first main pixel electrode and the second main pixel electrode and extends in the second direction, and a sub-pixel electrode which connects the first main pixel electrode, the second main pixel electrode and the contact portion.Type: GrantFiled: July 13, 2012Date of Patent: May 13, 2014Assignee: Japan Display Inc.Inventors: Masato Kesho, Masanobu Nonaka, Kazuhiro Takahashi, Toshimasa Yonekura
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Publication number: 20140063390Abstract: According to one embodiment, a liquid crystal display includes an array substrate provided with pixel electrodes including a first pixel electrode and a second pixel electrode aligning in a first direction, a first gate line placed on one side of the pixel electrodes in a second direction, a second gate line placed on the other side of the pixel electrodes, a source line extending along the second direction, a first pixel switch for switching connection of the source line with the first pixel electrode by a gate signal provided through the first gate line, and a second pixel switch for switching connection of the source line with the second pixel electrode by another gate signal provided through the second gate line, an counter-substrate provided with an common electrode, and a liquid crystal layer held between the substrates.Type: ApplicationFiled: August 28, 2013Publication date: March 6, 2014Applicant: Japan Display Inc.Inventor: Toshimasa YONEKURA
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Publication number: 20140016074Abstract: An array substrate includes a pixel electrode having a contact portion, a pair of main pixel electrodes extending in a first direction from the contact portion, and a sub-pixel electrode arranged between the contact portion and an end of the main pixel electrode so as to connect the main pixel electrodes. A counter substrate includes a common electrode having first, second and third main common electrodes. The third main common electrode is arranged substantially in the center between the pair of main pixel electrodes. A sub-common electrode is arranged between the contact portion and the sub-pixel electrode in the first direction. The third main common electrode includes a cutout portion, and the sub-pixel electrode crosses the third main common electrode at the cutout portion. The first sub-common electrode includes cutout portions, and the pair of main pixel electrodes cross the first sub-common electrode at the cutout portions, respectively.Type: ApplicationFiled: July 12, 2013Publication date: January 16, 2014Inventors: Toshimasa YONEKURA, Masato KESHO
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Publication number: 20130128171Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first storage capacitance line and a second storage capacitance line, a gate line located between the first storage capacitance line and the second storage capacitance line, a semiconductor layer located at a substantially central part of a pixel, a source line put in contact with the semiconductor layer, a drain electrode which is put in contact with the semiconductor layer and extends above the first storage capacitance line and the second storage capacitance line, and a pixel electrode including a first main pixel electrode opposed to the first storage capacitance line, and a second main pixel electrode opposed to the second storage capacitance line.Type: ApplicationFiled: November 14, 2012Publication date: May 23, 2013Inventors: Masato Kesho, Masanobu Nonaka, Kazuhiro Takahashi, Toshimasa Yonekura
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Publication number: 20130093986Abstract: According to one embodiment, a liquid crystal display device includes a first substrate including a first gate line and a second gate line, a semiconductor layer, a gate electrode electrically connected to the first gate line, a source electrode which contacts the semiconductor layer and which is electrically connected to a first source line, and a drain electrode including a first electrode portion which contacts the semiconductor layer, a second electrode portion which is connected to the first gate line side of the first electrode portion, and a third electrode portion which is connected to the second gate line side of the first electrode portion, a second substrate including a common electrode, and a liquid crystal layer between the first substrate and the second substrate.Type: ApplicationFiled: October 5, 2012Publication date: April 18, 2013Inventors: Masato KESHO, Masanobu Nonaka, Kazuhiro Takahashi, Toshimasa Yonekura