Patents by Inventor Kazune MATSUMURA
Kazune MATSUMURA 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).
-
Patent number: 11556199Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.Type: GrantFiled: May 9, 2022Date of Patent: January 17, 2023Assignee: Japan Display Inc.Inventors: Hiroyuki Abe, Yoshinori Aoki, Kazune Matsumura, Masateru Morimoto
-
Publication number: 20230004055Abstract: A peripheral wiring region of a display device includes a first insulating layer on a substrate, a first wiring layer on the first insulating layer, a second insulating layer which is present on the first insulating layer and covers the first wiring layer, and a second wiring layer on the second insulating layer. A plurality of video signal wirings are arranged in the first wiring layer. A plurality of touch detection wirings arranged in a matrix in an X direction and a Y direction and a conductor pattern to which a fixed potential is supplied are formed in the second wiring layer. The conductor pattern is arranged at a position overlapping a part of the plurality of video signal wirings and is capacitively coupled to the part of the plurality of video signal wirings.Type: ApplicationFiled: June 28, 2022Publication date: January 5, 2023Applicant: Japan Display Inc.Inventors: Kazune MATSUMURA, Seiichi URAMOTO, Gen KOIDE
-
Publication number: 20220260880Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.Type: ApplicationFiled: May 2, 2022Publication date: August 18, 2022Applicant: Japan Display Inc.Inventors: Gen KOIDE, Hiroyuki ABE, Kazune MATSUMURA
-
Publication number: 20220261109Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.Type: ApplicationFiled: May 9, 2022Publication date: August 18, 2022Applicant: Japan Display Inc.Inventors: Hiroyuki ABE, Yoshinori AOKI, Kazune MATSUMURA, Masateru MORIMOTO
-
Publication number: 20220244591Abstract: According to an aspect, a display device includes: a first substrate having a first side and a second side opposed to the first side; a display region provided with pixels; a first partial peripheral region between the first side and the display region; a second partial peripheral region between the second side and the display region; a plurality of signal lines configured to supply signals to switching elements in the pixels; a plurality of first terminals provided in the first partial peripheral region and configured to be electrically coupled to a driver integrated circuit; a plurality of second terminals provided in the second partial peripheral region and configured to be supplied with signals for inspection; and a first coupling circuit provided between the first terminals and the display region in the first partial peripheral region and configured to switch between coupling and decoupling the signal lines and the second terminals.Type: ApplicationFiled: April 22, 2022Publication date: August 4, 2022Applicant: Japan Display Inc.Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
-
Patent number: 11353977Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.Type: GrantFiled: April 5, 2021Date of Patent: June 7, 2022Assignee: Japan Display Inc.Inventors: Hiroyuki Abe, Yoshinori Aoki, Kazune Matsumura, Masateru Morimoto
-
Patent number: 11347123Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.Type: GrantFiled: May 3, 2021Date of Patent: May 31, 2022Assignee: Japan Display Inc.Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
-
Patent number: 11340505Abstract: According to an aspect, a display device includes: a first substrate having a first side and a second side opposed to the first side; a display region provided with pixels; a first partial peripheral region between the first side and the display region; a second partial peripheral region between the second side and the display region; a plurality of signal lines configured to supply signals to switching elements in the pixels; a plurality of first terminals provided in the first partial peripheral region and configured to be electrically coupled to a driver integrated circuit; a plurality of second terminals provided in the second partial peripheral region and configured to be supplied with signals for inspection; and a first coupling circuit provided between the first terminals and the display region in the first partial peripheral region and configured to switch between coupling and decoupling the signal lines and the second terminals.Type: GrantFiled: October 5, 2020Date of Patent: May 24, 2022Assignee: Japan Display Inc.Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
-
Patent number: 11307694Abstract: According to one embodiment, a display device includes a display portion including a first electrode, a second electrode, first pixel electrodes overlapping the first electrode, and second pixel electrodes overlapping the second electrode, first wiring lines connected to the first electrode, second wiring lines connected to the second electrode, and a control unit electrically connected to the first wiring lines and the second wiring lines. The display portion has a first end portion farthest from the control unit and a second end portion nearest to the control unit. The first electrode is adjacent to the first end portion. The second electrode is adjacent to the second end portion. The number of first wiring lines is a same as the number of second wiring lines.Type: GrantFiled: September 3, 2020Date of Patent: April 19, 2022Assignee: Japan Display Inc.Inventors: Kazune Matsumura, Hiroyuki Abe, Hiroshi Tanaka
-
Publication number: 20220107526Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.Type: ApplicationFiled: December 16, 2021Publication date: April 7, 2022Inventors: Hiroyuki ABE, Kentaro AGATA, Masaki MURASE, Kazune MATSUMURA
-
Patent number: 11231627Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.Type: GrantFiled: October 19, 2020Date of Patent: January 25, 2022Assignee: Japan Display Inc.Inventors: Hiroyuki Abe, Kentaro Agata, Masaki Murase, Kazune Matsumura
-
Publication number: 20210255514Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.Type: ApplicationFiled: May 3, 2021Publication date: August 19, 2021Applicant: Japan Display Inc.Inventors: Gen KOIDE, Hiroyuki ABE, Kazune MATSUMURA
-
Patent number: 11073732Abstract: According to one embodiment, a display device includes a display portion, a non-display portion around the display portion, a scanning line located in the display portion, a feed line at a common potential located in the non-display portion, a scanning line drive circuit located in the non-display portion and supplying a scanning signal to the scanning line, a first wiring line group located between the feed line and the scanning line drive circuit and connected to the scanning line drive circuit, and a transparent conductive film electrically connected to the feed line and covering the feed line, the first wiring line group and the scanning line drive circuit. The transparent conductive film has an opening overlapping the first wiring line group.Type: GrantFiled: December 5, 2019Date of Patent: July 27, 2021Assignee: JAPAN DISPLAY INC.Inventors: Hiroyuki Abe, Kazune Matsumura, Gen Koide
-
Publication number: 20210223897Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.Type: ApplicationFiled: April 5, 2021Publication date: July 22, 2021Applicant: Japan Display Inc.Inventors: Hiroyuki ABE, Yoshinori AOKI, Kazune MATSUMURA, Masateru MORIMOTO
-
Publication number: 20210181568Abstract: A display device includes a substrate, a display region in which a plurality of pixels are provided on the substrate and that has a first side, a second side, a third side, a fourth side, and a plurality of curved portions, a peripheral region located between an end portion of the substrate and the display region, a plurality of scan lines extending in a first direction, a plurality of signal lines extending in a second direction, at least one gate driver arranged in the peripheral region and coupled to the scan lines, a signal line coupling circuit arranged in the peripheral region and coupled to the signal lines, a plurality of terminals aligned in the peripheral region, and a plurality of wiring lines coupling the terminals and the signal line coupling circuit.Type: ApplicationFiled: March 3, 2021Publication date: June 17, 2021Inventors: Hiroyuki ABE, Kazune MATSUMURA, Gen KOIDE, Kentaro AGATA
-
Patent number: 11029573Abstract: According to an aspect, a display device includes: a substrate; a display region; a peripheral region; signal lines; terminals; wires coupling the terminals and the signal lines in the peripheral region; and first and second metal layers in different layers perpendicularly to the substrate and an insulating film in the peripheral region. The peripheral region includes: a first wiring region, in which the wires are electrically coupled to the signal lines; a second wiring region between the first wiring region and the terminals, and in which at least one or more wires pass through the first and second metal layers; and a third wiring region between the first and second wiring regions, and in which the wires extend in a second direction intersecting the first direction. The third wiring region includes contacts coupling the first and second metal layers, and a virtual line connecting the contacts has a curved shape.Type: GrantFiled: September 30, 2020Date of Patent: June 8, 2021Assignee: Japan Display Inc.Inventors: Gen Koide, Hiroyuki Abe, Kazune Matsumura
-
Patent number: 11003273Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.Type: GrantFiled: October 8, 2020Date of Patent: May 11, 2021Assignee: Japan Display Inc.Inventors: Hiroyuki Abe, Yoshinori Aoki, Kazune Matsumura, Masateru Morimoto
-
Publication number: 20210081067Abstract: According to one embodiment, a display device includes a display portion including a first electrode, a second electrode, first pixel electrodes overlapping the first electrode, and second pixel electrodes overlapping the second electrode, first wiring lines connected to the first electrode, second wiring lines connected to the second electrode, and a control unit electrically connected to the first wiring lines and the second wiring lines. The display portion has a first end portion farthest from the control unit and a second end portion nearest to the control unit. The first electrode is adjacent to the first end portion. The second electrode is adjacent to the second end portion. The number of first wiring lines is a same as the number of second wiring lines.Type: ApplicationFiled: September 3, 2020Publication date: March 18, 2021Applicant: Japan Display Inc.Inventors: Kazune MATSUMURA, Hiroyuki ABE, Hiroshi TANAKA
-
Publication number: 20210033910Abstract: In an IPS-mode liquid crystal display device, the area of a terminal portion is decreased. A liquid crystal display device includes a TFT substrate and a counter substrate attached to the TFT substrate with a sealing material, and includes a display region and a terminal portion formed on the TFT substrate. A shielding transparent, conductive film is formed on the outer side of the counter substrate. On the terminal portion, an earth pad formed with a transparent conductive film is formed on an organic passivation film. The shielding transparent conductive film is connected to the earth pad through a conductor. Below organic passivation film of the terminal portion, a wire is formed.Type: ApplicationFiled: October 19, 2020Publication date: February 4, 2021Inventors: Hiroyuki ABE, Kentaro Agata, Masaki Murase, Kazune Matsumura
-
Publication number: 20210026481Abstract: According to an aspect, a display device with a sensor includes: a substrate including a display region and a peripheral region on a periphery of the display region; detection electrodes arranged in a row-column configuration in the display region; and detection lines coupled to the respective detection electrodes. A shape of the substrate in a plan view includes a curve of a curved portion. The detection electrodes include a first electrode and a second electrode having a shape different from that of the first electrode in a plan view. The second electrode is juxtaposed with the curved portion. The detection lines each include a first line coupled to the first electrode and a second line coupled to the second electrode. The second line passes from the display region across the peripheral region and extends to a position overlapping with the second electrode in a plan view.Type: ApplicationFiled: October 8, 2020Publication date: January 28, 2021Applicant: Japan Display Inc.Inventors: Hiroyuki ABE, Yoshinori AOKI, Kazune MATSUMURA, Masateru MORIMOTO