Patents by Inventor Masakatsu Kitani
Masakatsu Kitani 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: 20230093807Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.Type: ApplicationFiled: December 5, 2022Publication date: March 30, 2023Applicant: Japan Display Inc.Inventors: Naoyuki OBINATA, Daichi HOSOKAWA, Masakatsu KITANI
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Patent number: 11543722Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.Type: GrantFiled: December 17, 2021Date of Patent: January 3, 2023Assignee: Japan Display Inc.Inventors: Naoyuki Obinata, Daichi Hosokawa, Masakatsu Kitani
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Publication number: 20220107539Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.Type: ApplicationFiled: December 17, 2021Publication date: April 7, 2022Applicant: Japan Display Inc.Inventors: Naoyuki OBINATA, Daichi HOSOKAWA, Masakatsu KITANI
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Publication number: 20220037367Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.Type: ApplicationFiled: October 14, 2021Publication date: February 3, 2022Applicant: Japan Display Inc.Inventors: Daichi HOSOKAWA, Naoki MIYANAGA, Masakatsu KITANI
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Patent number: 11237443Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.Type: GrantFiled: December 7, 2020Date of Patent: February 1, 2022Assignee: Japan Display Inc.Inventors: Naoyuki Obinata, Daichi Hosokawa, Masakatsu Kitani
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Patent number: 11171162Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.Type: GrantFiled: April 3, 2020Date of Patent: November 9, 2021Assignee: Japan Display Inc.Inventors: Daichi Hosokawa, Naoki Miyanaga, Masakatsu Kitani
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Publication number: 20210088862Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.Type: ApplicationFiled: December 7, 2020Publication date: March 25, 2021Applicant: Japan Display Inc.Inventors: Naoyuki OBINATA, Daichi HOSOKAWA, Masakatsu KITANI
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Patent number: 10921667Abstract: According to one embodiment, a display device includes a first common electrode, a second common electrode separated from the first common electrode in a first direction and a first metal wiring extending in the first direction and overlapping the first common electrode and the second common electrode. The first metal wiring is located between the first common electrode and the second common electrode, and the first metal wiring includes a first end portion overlapping one of the first common electrode and the second common electrode.Type: GrantFiled: March 8, 2019Date of Patent: February 16, 2021Assignee: JAPAN DISPLAY INC.Inventors: Daichi Hosokawa, Naoyuki Obinata, Masakatsu Kitani
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Patent number: 10890817Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.Type: GrantFiled: March 25, 2019Date of Patent: January 12, 2021Assignee: Japan Display Inc.Inventors: Naoyuki Obinata, Daichi Hosokawa, Masakatsu Kitani
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Publication number: 20200235129Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.Type: ApplicationFiled: April 3, 2020Publication date: July 23, 2020Applicant: Japan Display Inc.Inventors: Daichi Hosokawa, Naoki Miyanaga, Masakatsu Kitani
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Patent number: 10651207Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.Type: GrantFiled: September 17, 2018Date of Patent: May 12, 2020Assignee: Japan Display Inc.Inventors: Daichi Hosokawa, Naoki Miyanaga, Masakatsu Kitani
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Publication number: 20190302557Abstract: According to one embodiment, a display device includes a first electrode, a second electrode, a first wiring electrically connected to the first electrode, a second wiring electrically connected to the second electrode, and a controller electrically connected to the first wiring and the second wiring, wherein the first electrode and the second electrode are located in a display area, the first electrode is connected to the first wiring in a position away from the controller than the second electrode, the second electrode is connected to the second wiring in a position closer to the controller than the first electrode, and a number of the first wiring being greater than a number of the second wiring.Type: ApplicationFiled: March 25, 2019Publication date: October 3, 2019Applicant: Japan Display Inc.Inventors: Naoyuki OBINATA, Daichi Hosokawa, Masakatsu Kitani
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Publication number: 20190278144Abstract: According to one embodiment, a display device includes a first common electrode, a second common electrode separated from the first common electrode in a first direction and a first metal wiring extending in the first direction and overlapping the first common electrode and the second common electrode. The first metal wiring is located between the first common electrode and the second common electrode, and the first metal wiring includes a first end portion overlapping one of the first common electrode and the second common electrode.Type: ApplicationFiled: March 8, 2019Publication date: September 12, 2019Applicant: Japan Display Inc.Inventors: Daichi Hosokawa, Naoyuki Obinata, Masakatsu Kitani
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Publication number: 20190096914Abstract: A display device may include a substrate; a plurality of signal lines on the substrate; a plurality of scan lines on the substrate, the scan lines crossing the signal lines; and a plurality of thin film transistors at crossing positions of the scan lines and the signal lines. The scan lines include some first scan lines and some second scan lines. Each of the second scan lines has an end connected to a load element.Type: ApplicationFiled: September 17, 2018Publication date: March 28, 2019Applicant: Japan Display Inc.Inventors: Daichi HOSOKAWA, Naoki Miyanaga, Masakatsu Kitani
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Patent number: 10054829Abstract: According to one embodiment, a liquid crystal display device includes a first scanning line, a third scanning line, a second scanning line, a first linear electrode, a second linear electrode and a third linear electrode. The first linear electrode is located between the first scanning line and the second scanning line, and extends in a third direction. The second linear electrode is located between the first scanning line and the second scanning line, and extends in a fourth direction. The third linear electrode is located between the second scanning line and the third scanning line, and comprises a portion extending in the fourth direction. The second linear electrode is electrically connected to the third linear electrode.Type: GrantFiled: January 2, 2018Date of Patent: August 21, 2018Assignee: Japan Display Inc.Inventors: Takeyuki Tsuruma, Masakatsu Kitani, Yoshihide Ohue
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Patent number: 9971207Abstract: A liquid crystal display device related to one embodiment includes a gate line arranged along a first direction, a first pixel including a first switching element connected to the gate line, and a first pixel electrode connected to the first switching element via a first contact hole arranged in an insulation layer, a second pixel including a second switching element connected to the gate line, and a second pixel electrode connected to the second switching element via a second contact hole arranged in the insulation layer, a first spacer arranged in the fixed pixel, and a second spacer arranged in the second pixel, wherein the first spacer and the second spacer are arranged substantially on the same straight line in the first direction, and the first contact hole and the second contact hole are alternately arranged sandwiching a straight line connecting the first spacer and the second spacer.Type: GrantFiled: October 17, 2016Date of Patent: May 15, 2018Assignee: Japan Display Inc.Inventors: Hirofumi Funakoshi, Jin Hirosawa, Masakatsu Kitani, Daichi Hosokawa
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Publication number: 20180120654Abstract: According to one embodiment, a liquid crystal display device includes a first scanning line, a third scanning line, a second scanning line, a first linear electrode, a second linear electrode and a third linear electrode. The first linear electrode is located between the first scanning line and the second scanning line, and extends in a third direction. The second linear electrode is located between the first scanning line and the second scanning line, and extends in a fourth direction. The third linear electrode is located between the second scanning line and the third scanning line, and comprises a portion extending in the fourth direction. The second linear electrode is electrically connected to the third linear electrode.Type: ApplicationFiled: January 2, 2018Publication date: May 3, 2018Applicant: Japan Display Inc.Inventors: Takeyuki TSURUMA, Masakatsu KITANI, Yoshihide OHUE
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Patent number: 9941412Abstract: According to one embodiment, a display device includes a first scanning line, a signal line, a second pixel electrode, a first pixel electrode, a second thin-film transistor, a first line and a second line. The first line is connected to the second pixel electrode, and extends through a region facing the first pixel electrode to the first scanning line side. The first line and a second semiconductor layer of the second thin-film transistor are provided on a first insulating film and are formed of a same material. The second line connects the first line and a fourth electrode of the second thin-film transistor.Type: GrantFiled: March 31, 2017Date of Patent: April 10, 2018Assignee: Japan Display Inc.Inventors: Takeyuki Tsuruma, Yoshihide Ohue, Masakatsu Kitani
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Patent number: 9897871Abstract: According to one embodiment, a liquid crystal display device includes a first scanning line, a third scanning line, a second scanning line, a first linear electrode, a second linear electrode and a third linear electrode. The first linear electrode is located between the first scanning line and the second scanning line, and extends in a third direction. The second linear electrode is located between the first scanning line and the second scanning line, and extends in a fourth direction. The third linear electrode is located between the second scanning line and the third scanning line, and comprises a portion extending in the fourth direction. The second linear electrode is electrically connected to the third linear electrode.Type: GrantFiled: March 31, 2017Date of Patent: February 20, 2018Assignee: Japan Display Inc.Inventors: Takeyuki Tsuruma, Masakatsu Kitani, Yoshihide Ohue
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Publication number: 20170285379Abstract: According to one embodiment, a display device includes a first scanning line, a signal line, a second pixel electrode, a first pixel electrode, a second thin-film transistor, a first line and a second line. The first line is connected to the second pixel electrode, and extends through a region facing the first pixel electrode to the first scanning line side. The first line and a second semiconductor layer of the second thin-film transistor are provided on a first insulating film and are formed of a same material. The second line connects the first line and a fourth electrode of the second thin-film transistor.Type: ApplicationFiled: March 31, 2017Publication date: October 5, 2017Applicant: Japan Display Inc.Inventors: Takeyuki TSURUMA, Yoshihide OHUE, Masakatsu KITANI