Patents by Inventor Masumi Nishimura
Masumi Nishimura 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: 10573706Abstract: A first bent wiring has a first bent portion which is positioned between first and second extending portions and is bent to a side of a first direction. A second bent portion is positioned between the second extending portion and a third extending portion and is bent to a second direction side. A second bent wiring has a third bent portion which is positioned on the second direction side when viewed from the first bent wiring and between fourth and fifth extending portions and is bent to the side of the first direction and a fourth bent portion which is positioned between the fifth extending portion and a sixth extending portion and is bent to the second direction side. A bending point of the third bent portion is positioned on the side of the first direction when viewed from a bending point of the second bent portion.Type: GrantFiled: February 7, 2018Date of Patent: February 25, 2020Assignee: Japan Display Inc.Inventors: Takahiro Fujioka, Masumi Nishimura
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Publication number: 20200013837Abstract: A display device includes a display panel including a display region, a terminal region provided with a terminal, and a bending region located between the display region and the terminal region and capable of bending, the terminal region being located on a rear surface side opposite to a display surface side with respect to the display region based on the bending region bent and a protective coating provided on the display surface side of the bending region. When a direction in which the display region, the bending region, and the terminal region are arranged is defined as a first direction and a direction crossing the first direction is defined as a second direction, the bending region includes a bank portion located in the second direction with respect to the protective coating, projecting to the display surface side, and extending in the first direction.Type: ApplicationFiled: September 16, 2019Publication date: January 9, 2020Applicant: Japan Display Inc.Inventor: Masumi NISHIMURA
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Patent number: 10490772Abstract: The purpose of the present invention is to realize a reliable bendable organic EL display device with high reliability. The structure of the invention is as follows. An organic EL display device comprising: pixels, each of the pixels has an emitting layer, which is sandwiched by a lower electrode and an upper electrode, a first inorganic protective film is formed on the emitting layer, the first inorganic protective film is circle or polygon having at least five sides, in a plan view.Type: GrantFiled: October 10, 2017Date of Patent: November 26, 2019Assignee: Japan Display Inc.Inventors: Masumi Nishimura, Heisuke Kanaya
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Publication number: 20190348620Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.Type: ApplicationFiled: July 24, 2019Publication date: November 14, 2019Applicant: Japan Display Inc.Inventor: Masumi NISHIMURA
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Publication number: 20190341442Abstract: A display device according to an embodiment of the present invention includes: an insulating sheet provided from a display region to a drive portion forming region, including, in a curved region, a first film-thickness region having a first film thickness thinner than a film thickness at the display region and a film thickness at the drive portion forming region, and including a first step portion disposed between the display region and the first film-thickness region and a second step portion disposed between the drive portion forming region and the first film-thickness region, first and second wiring lines crossing the first step portion and the second step portion above the insulating sheet and electrically connecting a pixel array portion with a drive portion, and an insulating wall extending from the first step portion to the second step portion between the first wiring line and the second wiring line.Type: ApplicationFiled: July 16, 2019Publication date: November 7, 2019Applicant: Japan Display Inc.Inventors: Kenta KAJIYAMA, Masumi NISHIMURA
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Publication number: 20190333979Abstract: A display device according to an embodiment of the present invention includes: a display area provided with a pixel array part; a terminal area arranged on a backside of the display area and provided with a connection terminal to which a signal is supplied from outside; and a bendable area to connect the display area and the terminal area, wherein the display device is provided with, in the bendable area, an under layer having flexibility, and a connection wiring which is provided on the under layer and extends from a side of the pixel array part to a side of the connection terminal, and an upper surface of the under layer has an uneven shape so that the connection wiring repeatedly turns in directions of a thickness of the under layer.Type: ApplicationFiled: April 24, 2019Publication date: October 31, 2019Applicant: Japan Display Inc.Inventors: Hayata AOKI, Masumi NISHIMURA
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Patent number: 10461674Abstract: An electric working machine according to one aspect of the present disclosure comprises a motor, a speed setting unit, a load detection unit, a determination unit, and a parameter setting unit. The determination unit calculates an estimated value of a heat generation amount of the motor, and determines that the motor is in an overload operation state when the estimated value reaches a predetermined threshold. The parameter setting unit sets a parameter to be used for calculating the estimated value and/or the threshold in accordance with a rotation speed set by the speed setting unit.Type: GrantFiled: August 7, 2017Date of Patent: October 29, 2019Assignee: MAKITA CORPORATIONInventors: Michisada Yabuguchi, Kouichi Takeda, Masumi Nishimura, Hiroshi Nojiri
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Patent number: 10453906Abstract: A display device includes a display panel including a display region, a terminal region provided with a terminal, and a bending region located between the display region and the terminal region and capable of bending, the terminal region being located on a rear surface side opposite to a display surface side with respect to the display region based on the bending region bent and a protective coating provided on the display surface side of the bending region. When a direction in which the display region, the bending region, and the terminal region are arranged is defined as a first direction and a direction crossing the first direction is defined as a second direction, the bending region includes a bank portion located in the second direction with respect to the protective coating, projecting to the display surface side, and extending in the first direction.Type: GrantFiled: June 13, 2018Date of Patent: October 22, 2019Assignee: Japan Display Inc.Inventor: Masumi Nishimura
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Publication number: 20190305699Abstract: An electric working machine includes an inverter and a controller. The controller switches a current conduction pattern via the inverter and performs a PWM control of a conduction current to a brushless motor. The controller includes switching patterns as the current conduction pattern switched for every commutation timing. The switching patterns include different on and off states for different switching elements. The controller sequentially switches a switching pattern synchronously with a period of the PWM control, detects a rotational position of a brushless motor from a magnitude relation between inductances of the brushless motor produced by switching the switching pattern, and sets the commutation timing.Type: ApplicationFiled: March 14, 2019Publication date: October 3, 2019Applicant: MAKITA CORPORATIONInventors: Masumi NISHIMURA, Yoshiteru ITO
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Patent number: 10403835Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.Type: GrantFiled: September 25, 2018Date of Patent: September 3, 2019Assignee: Japan Display Inc.Inventor: Masumi Nishimura
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Publication number: 20190036051Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.Type: ApplicationFiled: September 25, 2018Publication date: January 31, 2019Applicant: Japan Display Inc.Inventor: Masumi NISHIMURA
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Publication number: 20190006616Abstract: A display device includes a flexible substrate including a first region including a display region, a second region including a curved region, and a third region including a terminal region; an electro-optical element located in the display region; and a resin layer continuously extending from the first region to the third region.Type: ApplicationFiled: June 4, 2018Publication date: January 3, 2019Inventors: Masumi NISHIMURA, Shinichiro Oka
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Publication number: 20190006444Abstract: A display device includes a display panel including a display region, a terminal region provided with a terminal, and a bending region located between the display region and the terminal region and capable of bending, the terminal region being located on a rear surface side opposite to a display surface side with respect to the display region based on the bending region bent and a protective coating provided on the display surface side of the bending region. When a direction in which the display region, the bending region, and the terminal region are arranged is defined as a first direction and a direction crossing the first direction is defined as a second direction, the bending region includes a bank portion located in the second direction with respect to the protective coating, projecting to the display surface side, and extending in the first direction.Type: ApplicationFiled: June 13, 2018Publication date: January 3, 2019Applicant: Japan Display Inc.Inventor: Masumi NISHIMURA
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Patent number: 10134828Abstract: A display device according to an embodiment of the present invention includes: a base material including a display region, and a peripheral region which is located outside the display region, at least a part of the peripheral region being a bending region; an insulating layer that is disposed on the base material, extends from the display region to a part of the peripheral region, and is located apart from an edge of the base material; at least one level difference moderating layer that is disposed under the insulating layer and extends from an edge of the insulating layer toward a side of the bending region; and at least one wiring disposed on the insulating layer and the at least one level difference moderating layer.Type: GrantFiled: October 16, 2017Date of Patent: November 20, 2018Assignee: Japan Display Inc.Inventor: Masumi Nishimura
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Patent number: 10115914Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.Type: GrantFiled: April 24, 2018Date of Patent: October 30, 2018Assignee: Japan Display Inc.Inventor: Masumi Nishimura
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Publication number: 20180247993Abstract: A first bent wiring has a first bent portion which is positioned between first and second extending portions and is bent to a side of a first direction. A second bent portion is positioned between the second extending portion and a third extending portion and is bent to a second direction side. A second bent wiring has a third bent portion which is positioned on the second direction side when viewed from the first bent wiring and between fourth and fifth extending portions and is bent to the side of the first direction and a fourth bent portion which is positioned between the fifth extending portion and a sixth extending portion and is bent to the second direction side. A bending point of the third bent portion is positioned on the side of the first direction when viewed from a bending point of the second bent portion.Type: ApplicationFiled: February 7, 2018Publication date: August 30, 2018Applicant: Japan Display Inc.Inventors: Takahiro FUJIOKA, Masumi NISHIMURA
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Publication number: 20180248141Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.Type: ApplicationFiled: April 24, 2018Publication date: August 30, 2018Applicant: Japan Display Inc.Inventor: Masumi NISHIMURA
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Patent number: 9997730Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.Type: GrantFiled: October 25, 2017Date of Patent: June 12, 2018Assignee: Japan Display Inc.Inventor: Masumi Nishimura
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Patent number: 9997742Abstract: A method of manufacturing an organic EL display device includes disposing a second base material that is disposed to face a first base material having a display region and including a TFT layer on a supporting substrate that supports the second base material, disposing the first base material on a side opposite to a side where the supporting substrate of the second base material is disposed, disposing a dam material that surrounds the display region between the first base material and the second base material, filling an inside of the dam material with a filling material between the first base material and the second base material, disposing an auxiliary wall to be separated from an outside of the dam material between the first base material and the second base material, and cutting the second base material through the supporting substrate between the dam material and the auxiliary wall.Type: GrantFiled: February 6, 2017Date of Patent: June 12, 2018Assignee: Japan Display Inc.Inventor: Masumi Nishimura
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Publication number: 20180138431Abstract: In a display device including a flexible display panel, the risk of disconnection of a wiring due to bending is reduced. A display panel includes a display function layer including display elements and a wiring on one major surface of a base material having flexibility. The display panel includes, on the one major surface of the base material, an organic-film-covered wiring area where the surface of the wiring is covered with an organic planarization film that is an organic insulating film in direct contact with the wiring. The display panel includes, in the plane thereof, a display area where the display elements are arranged and a component mounting area that is a peripheral area located outside the display area. As the organic-film-covered wiring area, a curved area is provided in the peripheral area.Type: ApplicationFiled: October 25, 2017Publication date: May 17, 2018Applicant: Japan Display Inc.Inventor: Masumi Nishimura