Patents by Inventor Masataka Kano
Masataka Kano 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: 11950487Abstract: A display apparatus including a base substrate, a first thin film transistor disposed on the base substrate, a via insulation layer disposed on the first thin film transistor, and a light emitting structure disposed on the via insulation layer. The first thin film transistor includes a first gate electrode, an oxide semiconductor overlapped with the first gate electrode, and including tin (Sn), an etch stopper disposed on the oxide semiconductor and including an oxide semiconductor material which does not include tin (Sn), a first source electrode making contact with the oxide semiconductor, and a first drain electrode making contact with the oxide semiconductor, and spaced apart from the first source electrode.Type: GrantFiled: September 6, 2019Date of Patent: April 2, 2024Assignee: Samsung Display Co., Ltd.Inventors: Joon Seok Park, Kyoung Seok Son, Jun Hyung Lim, Masataka Kano
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Patent number: 11887991Abstract: A display apparatus includes a base substrate, a polysilicon active pattern disposed on the base substrate, including polycrystalline silicon, including a source region and a drain region each doped with impurities and a channel region between the source region and the drain region, and including indium, a first gate electrode overlapping the channel region, and a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region.Type: GrantFiled: May 16, 2022Date of Patent: January 30, 2024Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyoung Seok Son, Myounghwa Kim, Jaybum Kim, Yeon Keon Moon, Masataka Kano
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Patent number: 11877479Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.Type: GrantFiled: December 28, 2022Date of Patent: January 16, 2024Assignee: Samsung Display Co., Ltd.Inventors: Kyoungseok Son, Myounghwa Kim, Eoksu Kim, Taesang Kim, Masataka Kano
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Patent number: 11798493Abstract: A display device including: a pixel connected to a scan line and a data line intersecting the scan line. The pixel includes a light emitting element and a driving transistor which controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first active layer including an oxide semiconductor doped with a metal.Type: GrantFiled: August 3, 2021Date of Patent: October 24, 2023Assignee: Samsung Display Co., Ltd.Inventors: Myoung Hwa Kim, Masataka Kano, Yeon Keon Moon, Joon Seok Park, Jun Hyung Lim, Hye Lim Choi
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Patent number: 11552142Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.Type: GrantFiled: December 9, 2020Date of Patent: January 10, 2023Inventors: Kyoungseok Son, Myounghwa Kim, Eoksu Kim, Taesang Kim, Masataka Kano
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Publication number: 20220278135Abstract: A display apparatus includes a base substrate, a polysilicon active pattern disposed on the base substrate, including polycrystalline silicon, including a source region and a drain region each doped with impurities and a channel region between the source region and the drain region, and including indium, a first gate electrode overlapping the channel region, and a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region.Type: ApplicationFiled: May 16, 2022Publication date: September 1, 2022Applicant: Samsung Display Co., Ltd.Inventors: Kyoung Seok SON, Myounghwa KIM, Jaybum KIM, Yeon Keon MOON, Masataka KANO
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Publication number: 20220238075Abstract: A display device including: a pixel connected to a scan line and a data line intersecting the scan line. The pixel includes a light emitting element and a driving transistor which controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first active layer including an oxide semiconductor doped with a metal.Type: ApplicationFiled: August 3, 2021Publication date: July 28, 2022Inventors: Myoung Hwa KIM, Masataka Kano, Yeon Keon Moon, Joon Seok Park, Jun Hyung Lim, Hye Lim Choi
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Patent number: 11335707Abstract: A display apparatus includes a base substrate, a polysilicon active pattern disposed on the base substrate, including polycrystalline silicon, including a source region and a drain region each doped with impurities and a channel region between the source region and the drain region, and including indium, a first gate electrode overlapping the channel region, and a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region.Type: GrantFiled: April 1, 2019Date of Patent: May 17, 2022Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kyoung Seok Son, Myounghwa Kim, Jaybum Kim, Yeon Keon Moon, Masataka Kano
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Patent number: 11087696Abstract: A display device including: a pixel connected to a scan line and a data line intersecting the scan line. The pixel includes a light emitting element and a driving transistor which controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first active layer including an oxide semiconductor doped with a metal.Type: GrantFiled: January 9, 2020Date of Patent: August 10, 2021Assignee: Samsung Display Co., Ltd.Inventors: Myoung Hwa Kim, Masataka Kano, Yeon Keon Moon, Joon Seok Park, Jun Hyung Lim, Hye Lim Choi
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Publication number: 20210118966Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.Type: ApplicationFiled: December 9, 2020Publication date: April 22, 2021Inventors: Kyoungseok SON, Myounghwa KIM, Eoksu KIM, Taesang KIM, Masataka KANO
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Patent number: 10892308Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.Type: GrantFiled: February 12, 2020Date of Patent: January 12, 2021Inventors: Kyoungseok Son, Myounghwa Kim, Eoksu Kim, Taesang Kim, Masataka Kano
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Publication number: 20200234654Abstract: A display device including: a pixel connected to a scan line and a data line intersecting the scan line. The pixel includes a light emitting element and a driving transistor which controls a driving current supplied to the light emitting element according to a data voltage applied from the data line. The driving transistor includes a first active layer including an oxide semiconductor doped with a metal.Type: ApplicationFiled: January 9, 2020Publication date: July 23, 2020Inventors: Myoung Hwa Kim, Masataka Kano, Yeon Keon Moon, Joon Seok Park, Jun Hyung Lim, Hye Lim Choi
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Publication number: 20200185473Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.Type: ApplicationFiled: February 12, 2020Publication date: June 11, 2020Inventors: Kyoungseok SON, Myounghwa KIM, Eoksu KIM, Taesang KIM, Masataka KANO
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Publication number: 20200099015Abstract: A display apparatus including a base substrate, a first thin film transistor disposed on the base substrate, a via insulation layer disposed on the first thin film transistor, and a light emitting structure disposed on the via insulation layer. The first thin film transistor includes a first gate electrode, an oxide semiconductor overlapped with the first gate electrode, and including tin (Sn), an etch stopper disposed on the oxide semiconductor and including an oxide semiconductor material which does not include tin (Sn), a first source electrode making contact with the oxide semiconductor, and a first drain electrode making contact with the oxide semiconductor, and spaced apart from the first source electrode.Type: ApplicationFiled: September 6, 2019Publication date: March 26, 2020Inventors: Joon Seok PARK, Kyoung Seok SON, Jun Hyung LIM, Masataka KANO
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Patent number: 10593739Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.Type: GrantFiled: September 17, 2018Date of Patent: March 17, 2020Assignee: Samsung Display Co., Ltd.Inventors: Kyoungseok Son, Myounghwa Kim, Eoksu Kim, Taesang Kim, Masataka Kano
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Publication number: 20190312061Abstract: A display apparatus includes a base substrate, a polysilicon active pattern disposed on the base substrate, including polycrystalline silicon, including a source region and a drain region each doped with impurities and a channel region between the source region and the drain region, and including indium, a first gate electrode overlapping the channel region, and a source electrode electrically connected to the source region and a drain electrode electrically connected to the drain region.Type: ApplicationFiled: April 1, 2019Publication date: October 10, 2019Inventors: Kyoung Seok SON, Myounghwa KIM, Jaybum KIM, Yeon Keon MOON, Masataka KANO
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Publication number: 20190181198Abstract: A method of fabricating a display panel may include forming an oxide semiconductor pattern on a base layer including a first region and a second region, etching first, second, and third insulating layers to form a first groove that overlaps the second region, forming electrodes on the third insulating layer, forming a fourth insulating layer on the third insulating layer to cover the electrodes, thermally treating the fourth insulating layer, forming an organic layer to cover the fourth insulating layer, and forming an organic light emitting diode on the organic layer.Type: ApplicationFiled: September 17, 2018Publication date: June 13, 2019Inventors: Kyoungseok SON, Myounghwa KIM, Eoksu KIM, Taesang KIM, Masataka KANO
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Patent number: 10254608Abstract: Provided is a display device. The display device includes: a substrate; a light blocking pattern disposed on the substrate; a semiconductor pattern disposed on the light blocking pattern; a gate insulating layer disposed on the semiconductor pattern; a gate wiring; an interlayer insulating layer formed on the gate wiring; a first contact hole for exposing the source area; a data wiring disposed to extend in the second direction on the interlayer insulating layer and electrically connected to the source area via the first contact hole; a first passivation layer disposed on the data wiring; a second contact hole, which is disposed between the neighboring protrusion portions of the light blocking pattern so as not to overlap the light blocking pattern, and exposes the drain area; and a pixel electrode disposed on the first passivation layer and electrically connected to the drain area through the second contact hole.Type: GrantFiled: March 8, 2016Date of Patent: April 9, 2019Assignee: Samsung Display Co., Ltd.Inventors: Jung Hun Noh, Masataka Kano, Yeon Keon Moon, Keun Kyu Song, Jun Ho Song, Hyun Sup Lee, Sang Hee Jang, Byung Seok Choi
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Patent number: 9870735Abstract: A display device includes: a plurality of pixels, wherein each of the plurality of pixels includes at least two double-gate transistors including a first gate electrode and a second gate electrode; conduction between source electrodes and drain electrodes of the at least two double-gate transistors is controlled by a voltage applied to the first gate electrode, and electrical connection between the second gate electrode and the first gate electrode of each of the at least two double-gate transistors is determined depending on a polarity of a voltage applied on average to each of the at least two double-gate transistors.Type: GrantFiled: October 29, 2015Date of Patent: January 16, 2018Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Ji Hun Lim, Yeon Keon Moon, Masataka Kano, Jun Hyung Lim
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Patent number: 9837036Abstract: A gate driving circuit including: a plurality of stages outputting signals to gate lines, the stages includes a first transistor of which one end and a control terminal are connected, one end and the control terminal are connected with a first input terminal, and the other end is connected to a second node, a second transistor including a control terminal connected to a first node, connected with a clock input terminal, and the other end connected to a first output terminal, a first capacitor of which one end is connected to the first node, the other end is connected to the other end of the second transistor and the first output terminal, and a third transistor of which one end is connected to the other end of the first transistor, the other end is connected with the first node, and a control terminal is connected to a third node.Type: GrantFiled: September 23, 2015Date of Patent: December 5, 2017Assignee: Samsung Display Co., Ltd.Inventors: Tadashi Amino, Jong Hee Kim, Masataka Kano, Jun Hyun Park