Patents by Inventor Masaki Maeda
Masaki Maeda 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: 10775660Abstract: Provided is a touch-panel-equipped display device that can improve the touch sensing accuracy, without decreases in the display quality, and a method for producing the same. A touch-panel-equipped display device includes an active matrix substrate 1. The active matrix substrate 1 includes a plurality of pixel electrodes 31; a plurality of counter electrodes 21 forming capacitors between the same and the pixel electrodes 31; a plurality of touch detection lines 22; a first insulating layer 461; and a second insulating layer 462. The touch detection lines 22 are connected with any of the counter electrodes 21, and supply a driving signal for touch detection to the counter electrodes 21 connected therewith. Between each pixel electrode 31 and the corresponding one of the counter electrodes 21, the second insulating layer 462 is arranged.Type: GrantFiled: June 7, 2017Date of Patent: September 15, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Yoshihito Hara, Masaki Maeda, Masakatsu Tominaga, Isao Ogasawara, Kuniko Maeno, Shingo Kamitani, Yasuhiro Mimura, Satoshi Horiuchi, Yoshihiro Asai
-
Patent number: 10756116Abstract: An active matrix substrate includes a gate metal layer including a plurality of gate bus lines, and a thin film transistor arranged in each pixel region, wherein: the thin film transistor includes a gate electrode, an oxide semiconductor layer arranged on the gate electrode with a gate insulating layer interposed therebetween, wherein the gate electrode is formed in the gate metal layer and is electrically connected to a corresponding one of the plurality of gate bus lines, the gate metal layer has a layered structure including a copper alloy layer and a copper layer arranged on the copper alloy layer, wherein the copper alloy layer is of a copper alloy including Cu and at least one additive metal element, wherein the additive metal element includes Al, and an Al content of the copper alloy is 2 at % or more and 8 at % or less.Type: GrantFiled: March 19, 2019Date of Patent: August 25, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Teruyuki Ueda, Yoshihito Hara, Tohru Daitoh, Hajime Imai, Hideki Kitagawa, Masaki Maeda, Tatsuya Kawasaki, Yoshiharu Hirata, Tetsuo Kikuchi, Toshikatsu Itoh
-
Publication number: 20200241699Abstract: A display substrate includes a substrate, a first insulator, a metal film, a second insulator, an alignment film, a line, and film forming area defining recesses. The substrate includes a display area and a non-display area. The metal film is disposed in a layer upper than the first insulator. The second insulator is disposed upper than the metal film and has a thickness smaller than a thickness of the first insulator. The alignment film is disposed upper than the second insulator. The line extends to straddle the display area and the non-display area and includes a section of the metal film. The film forming area defining recesses in the non-display area to extend in a direction crossing an extending direction of the line but not to overlap the line include recessed sections of the first insulator to define a forming area of the alignment film.Type: ApplicationFiled: March 2, 2018Publication date: July 30, 2020Inventors: MASAKI MAEDA, YOSHIHITO HARA
-
Patent number: 10649293Abstract: A display panel includes a substrate, pixel electrodes, switching components, an electrode, a line, a terminal, an insulating film, and a conductive film. The switching components are disposed in a layer lower than the pixel electrodes. The electrode is disposed in a layer different from a layer in which the pixel electrodes are disposed. The line includes sections disposed in a layer lower than the switching components in a display area. The terminal is disposed in a layer upper than the line in a non-display area. The insulating film includes a section disposed between the line and the switching components in the display area and a section disposed between the terminal and the substrate in the non-display area. The conductive film is disposed on the insulating film in a layer between the line and the terminal to connect the line to the terminal.Type: GrantFiled: September 29, 2018Date of Patent: May 12, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Hideki Kitagawa, Tohru Daitoh, Hajime Imai, Yoshihito Hara, Masaki Maeda, Toshikatsu Itoh, Tatsuya Kawasaki
-
Patent number: 10620468Abstract: A method of manufacturing a display panel substrate includes a transparent conductive film formation step of forming a transparent conductive film on a flattening film that covers a switching component disposed on a substrate, a metallic film formation step of forming a metallic film so as to cover the transparent conductive film after the transparent conductive film formation step, a line formation step of forming a line by etching the metallic film after the metallic film formation step, and a transparent electrode formation step of forming a transparent electrode that is connected to the line by etching the transparent conductive film after the wire formation step.Type: GrantFiled: October 16, 2018Date of Patent: April 14, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Toshikatsu Itoh, Tohru Daitoh, Hajime Imai, Masaki Maeda, Hideki Kitagawa, Yoshihito Hara, Tatsuya Kawasaki
-
Publication number: 20200073155Abstract: An electronic component board includes a conductive film, an insulating film, and a transparent electrode film. The insulating film is disposed in a layer upper than the conductive film to cover a side surface and an upper surface of the conductive film. The transparent electrode film is disposed in a layer upper than the insulating film. The transparent electrode film includes an electrode portion and a covering portion. The electrode portion includes an electrode. The electrode portion is electrically connected to the conductive film. The covering portion is separated from the electrode portion and electrically insulated from the conductive film and the electrode portion to overlap the conductive film and the insulating film that covers the conductive film.Type: ApplicationFiled: August 8, 2019Publication date: March 5, 2020Inventors: Hideki KITAGAWA, Yoshihito HARA, Masaki MAEDA, Tatsuya KAWASAKI, Yoshiharu HIRATA, Hajime IMAI, Tohru DAITOH
-
Patent number: 10520761Abstract: A method of producing a substrate having an alignment mark includes a process of forming a lower layer side metal film on a substrate and forming a lower layer side alignment mark base having a lower layer side alignment mark that is a hole, a process of forming an upper layer side metal film on the substrate and the lower layer side metal film, a process of forming a photoresist film on the upper layer side metal film and forming a lower layer side alignment mark overlapping portion overlapping a part of the lower layer side alignment mark with patterning, an etching process of removing with etching selectively portions of the lower and upper layer side metal films not overlapping the lower layer side alignment mark overlapping portion and forming an upper layer side alignment mark that is the upper layer side metal film, and a photoresist removing process.Type: GrantFiled: August 6, 2018Date of Patent: December 31, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Masaki Maeda, Yoshihito Hara, Tohru Daitoh, Hajime Imai, Hideki Kitagawa, Toshikatsu Itoh, Tatsuya Kawasaki
-
Patent number: 10487164Abstract: An automobile interior part made of a thermoplastic resin composition [D] prepared by incorporating 0.1 to 8 parts by mass of a silicone oil [B] having a kinematic viscosity at 25° C. of 10 to 100,000 cSt into 100 parts by mass of a rubber-reinforced vinyl resin [A], wherein [A] contains a diene rubber polymer [a1] and an ethylene-?-olefin rubber polymer [a2 ], the total amount of [a1 ] and [a2 ] is 5 to 30% by mass, and the mass ratio of [a1] to [a2], [a1]: [a2], is 10 to 85 : 90 to 15. The automobile interior part shows remarkably reduced generation of squeaking noises when members rub against each other, and this effect is maintained without deterioration even when being placed under high temperatures for a long time. The automobile interior part is also superior in impact resistance and molded appearance.Type: GrantFiled: April 7, 2010Date of Patent: November 26, 2019Assignee: TECHNO POLYMER CO., LTD.Inventors: Masahiko Nagasaka, Masaki Maeda, Isamu Mochizuki, Kazuya Egawa
-
Patent number: 10481453Abstract: A method includes a pixel electrode forming process of forming a pixel electrode formed from a transparent electrode film on a gate insulation film that covers a gate electrode, a semiconductor film forming process being performed after the pixel electrode forming process and forming a semiconductor film on the gate insulation film such that a part of the semiconductor film covers the pixel electrode, an annealing process being performed after the semiconductor film forming process and processing the semiconductor film with annealing, and an etching process being performed after the annealing process and processing the semiconductor film with etching such that a channel section overlapping the gate electrode is formed in a same layer as the pixel electrode. The etching and the annealing performed on one of the transparent electrode film and the semiconductor film is less likely to adversely affect another one of the films.Type: GrantFiled: September 7, 2018Date of Patent: November 19, 2019Assignee: SHARP KABUSHIKI KAISHAInventors: Yoshihito Hara, Tohru Daitoh, Hajime Imai, Masaki Maeda, Hideki Kitagawa, Toshikatsu Itoh, Tatsuya Kawasaki
-
Publication number: 20190296056Abstract: An active matrix substrate includes a source metal layer including a plurality of source bus lines and a gate metal layer including a plurality of gate bus lines, and a thin film transistor arranged in each pixel region, wherein: the thin film transistor includes a gate electrode, an oxide semiconductor layer arranged on the gate electrode with a gate insulating layer interposed therebetween, and a source electrode and a drain electrode, wherein the gate electrode is formed in the gate metal layer and is electrically connected to a corresponding one of the plurality of gate bus lines, the gate metal layer has a layered structure including a copper alloy layer and a copper layer arranged on the copper alloy layer, wherein the copper alloy layer is of a copper alloy including Cu and at least one additive metal element, wherein the additive metal element includes Al, and an Al content of the copper alloy is 2 at % or more and 8 at % or less.Type: ApplicationFiled: March 19, 2019Publication date: September 26, 2019Inventors: TERUYUKI UEDA, YOSHIHITO HARA, TOHRU DAITOH, HAJIME IMAI, HIDEKI KITAGAWA, MASAKI MAEDA, TATSUYA KAWASAKI, YOSHIHARU HIRATA, TETSUO KIKUCHI, TOSHIKATSU ITOH
-
Publication number: 20190265531Abstract: Provided is a touch-panel-equipped display device that can improve the touch sensing accuracy, without decreases in the display quality, and a method for producing the same. A touch-panel-equipped display device includes an active matrix substrate 1. The active matrix substrate 1 includes a plurality of pixel electrodes 31; a plurality of counter electrodes 21 forming capacitors between the same and the pixel electrodes 31; a plurality of touch detection lines 22; a first insulating layer 461; and a second insulating layer 462. The touch detection lines 22 are connected with any of the counter electrodes 21, and supply a driving signal for touch detection to the counter electrodes 21 connected therewith. Between each pixel electrode 31 and the corresponding one of the counter electrodes 21, the second insulating layer 462 is arranged.Type: ApplicationFiled: June 7, 2017Publication date: August 29, 2019Applicant: SHARP KABUSHIKI KAISHAInventors: YOSHIHITO HARA, MASAKI MAEDA, MASAKATSU TOMINAGA, ISAO OGASAWARA, KUNIKO MAENO, SHINGO KAMITANI, YASUHIRO MIMURA, SATOSHI HORIUCHI, YOSHIHIRO ASAI
-
Publication number: 20190258105Abstract: Provided is a display device in which connection defects in terminal parts can be suppressed, and a method for producing the same. An active matrix substrate 1 of a display device includes gate lines, data lines arranged so as to intersect with the gate lines, pixel electrodes, counter electrodes forming capacitors between the same and the pixel electrodes, and signal lines that are connected with the counter electrodes and supply a driving signal for touch detection. Further, the active matrix substrate 1 includes a display driving circuit that supplies a control signal to at least either the gate lines or the data lines, and a touch detection driving circuit that supplies a driving signal for touch detection. Still further, the active matrix substrate 1 includes a plurality of terminal parts Ta to which the display driving circuit and the touch detection driving circuit are connected, and the terminal parts Ta have a common layer structure.Type: ApplicationFiled: June 7, 2017Publication date: August 22, 2019Inventors: YOSHIHITO HARA, MASAKI MAEDA, MASAKATSU TOMINAGA, ISAO OGASAWARA, KUNIKO MAENO, SHINGO KAMITANI, YASUHIRO MIMURA, SATOSHI HORIUCHI, YOSHIHIRO ASAI
-
Publication number: 20190121189Abstract: An active matrix substrate includes source bus lines, gate bus lines, a thin-film transistor and a pixel electrode provided for each pixel region, a common electrode disposed on the pixel electrode with a dielectric layer interposed therebetween, and a spin-on-glass layer disposed, in a display region, between a gate metal layer and a source metal layer. The pixel electrode is formed of the same metal oxide film of which an oxide semiconductor layer of the thin-film transistor is formed. The spin-on-glass layer has an opening, in each pixel region, in a portion where the thin-film transistor is formed. At an intersection portion where one of the source bus lines and one of the gate bus lines intersect, the spin-on-glass layer is located between the source bus line and gate bus line. In each pixel region, the spin-on-glass layer is located between at least a portion of the pixel electrode and a substrate.Type: ApplicationFiled: October 24, 2018Publication date: April 25, 2019Inventors: YOSHIHITO HARA, HIDEKI KITAGAWA, TOHRU DAITOH, HAJIME IMAI, MASAKI MAEDA, TATSUYA KAWASAKI, TOSHIKATSU ITOH
-
Publication number: 20190113789Abstract: A method of manufacturing a display panel substrate includes a transparent conductive film formation step of forming a transparent conductive film on a flattening film that covers a switching component disposed on a substrate, a metallic film formation step of forming a metallic film so as to cover the transparent conductive film after the transparent conductive film formation step, a line formation step of forming a line by etching the metallic film after the metallic film formation step, and a transparent electrode formation step of forming a transparent electrode that is connected to the line by etching the transparent conductive film after the wire formation step.Type: ApplicationFiled: October 16, 2018Publication date: April 18, 2019Inventors: Toshikatsu ITOH, Tohru DAITOH, Hajime IMAI, Masaki MAEDA, Hideki KITAGAWA, Yoshihito HARA, Tatsuya KAWASAKI
-
Publication number: 20190102025Abstract: A display panel includes a substrate, pixel electrodes, position detection electrodes, switching components, position detection lines, and an insulating film. The pixel electrodes are disposed on the substrate. The position detection electrodes are disposed on the substrate and configured to detect positions of input by a position input member. The switching components are disposed in a layer lower than layers in which the pixel electrodes and the position detection electrodes are disposed on the substrate and connected to the pixel electrodes, respectively. The position detection lines are disposed in a layer lower than the layer in which the switching components are disposed and electrically connected to the position detection electrodes. The insulating film is disposed between the position detection lines and the switching components.Type: ApplicationFiled: September 28, 2018Publication date: April 4, 2019Inventors: Hideki KITAGAWA, Tohru DAITOH, Hajime IMAI, Yoshihito HARA, Masaki MAEDA, Toshikatsu ITOH, Tatsuya KAWASAKI
-
Publication number: 20190101804Abstract: A display panel includes a substrate, pixel electrodes, switching components, an electrode, a line, a terminal, an insulating film, and a conductive film. The switching components are disposed in a layer lower than the pixel electrodes. The electrode is disposed in a layer different from a layer in which the pixel electrodes are disposed. The line includes sections disposed in a layer lower than the switching components in a display area. The terminal is disposed in a layer upper than the line in a non-display area. The insulating film includes a section disposed between the line and the switching components in the display area and a section disposed between the terminal and the substrate in the non-display area. The conductive film is disposed on the insulating film in a layer between the line and the terminal to connect the line to the terminal.Type: ApplicationFiled: September 29, 2018Publication date: April 4, 2019Inventors: HIDEKI KITAGAWA, TOHRU DAITOH, HAJIME IMAI, YOSHIHITO HARA, MASAKI MAEDA, TOSHIKATSU ITOH, TATSUYA KAWASAKI
-
Publication number: 20190079364Abstract: A method includes a pixel electrode forming process of forming a pixel electrode formed from a transparent electrode film on a gate insulation film that covers a gate electrode, a semiconductor film forming process being performed after the pixel electrode forming process and forming a semiconductor film on the gate insulation film such that a part of the semiconductor film covers the pixel electrode, an annealing process being performed after the semiconductor film forming process and processing the semiconductor film with annealing, and an etching process being performed after the annealing process and processing the semiconductor film with etching such that a channel section overlapping the gate electrode is formed in a same layer as the pixel electrode. The etching and the annealing performed on one of the transparent electrode film and the semiconductor film is less likely to adversely affect another one of the films.Type: ApplicationFiled: September 7, 2018Publication date: March 14, 2019Inventors: Yoshihito HARA, Tohru DAITOH, Hajime IMAI, Masaki MAEDA, Hideki KITAGAWA, Toshikatsu ITOH, Tatsuya KAWASAKI
-
Publication number: 20190072790Abstract: A method of producing a substrate having an alignment mark includes a process of forming a lower layer side metal film on a substrate and forming a lower layer side alignment mark base having a lower layer side alignment mark that is a hole, a process of forming an upper layer side metal film on the substrate and the lower layer side metal film, a process of forming a photoresist film on the upper layer side metal film and forming a lower layer side alignment mark overlapping portion overlapping a part of the lower layer side alignment mark with patterning, an etching process of removing with etching selectively portions of the lower and upper layer side metal films not overlapping the lower layer side alignment mark overlapping portion and forming an upper layer side alignment mark that is the upper layer side metal film, and a photoresist removing process.Type: ApplicationFiled: August 6, 2018Publication date: March 7, 2019Inventors: Masaki MAEDA, Yoshihito HARA, Tohru DAITOH, Hajime IMAI, Hideki KITAGAWA, Toshikatsu ITOH, Tatsuya KAWASAKI
-
Patent number: 9798203Abstract: The array board 11b includes a first diode 29, a common line 25, a first shorting line 31, and the static protection portion 51. The first diode 29 include at least the first semiconductor portion 29d having outer edges 29d1 that cross the outer edges 29a1, 29b1 of first electrodes 29a, 29b in a plan view. The common line 25 is formed from the first metal film 34. The first shorting line 31 is formed from the second metal film 38 and crosses the common line 25. The static protection portion 51 is formed from the second metal film 38 or the protection film 37. At least a portion of the static protection portion 51 overlaps the common line 25 in a plan view. The static protection portion 51 is arranged closer to the first diode 29 than an intersection CPT of the common line 25 and the first shorting line 31. The static protection portion 51 includes at least a static dissipating portion 52 for dissipating static.Type: GrantFiled: September 25, 2013Date of Patent: October 24, 2017Assignee: Sharp Kabushiki KaishaInventors: Yukinobu Nakata, Masaki Maeda
-
Patent number: 9670958Abstract: A rolling bearing includes an outer ring, an inner ring, a plurality of balls disposed between the outer ring and the inner ring and allowed to roll, and a snap cage that is made of resin and holds the balls. The snap cage includes an annular main portion and a plurality of cage bars. The cage bars each protrude from a right side surface of the main portion. Pockets are formed between the cage bars to house the respective balls. An inner circumferential surface and an outer circumferential surface of each of the cage bars in a radial direction have respective tilted surfaces that form a tapered shape in an axial direction. This allows lubricant oil to flow well in the rolling bearing in both directions.Type: GrantFiled: March 25, 2016Date of Patent: June 6, 2017Assignee: JTEKT CORPORATIONInventors: Masaki Maeda, Yuu Yasuda