Patents by Inventor Kenji Arita
Kenji Arita 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: 10627643Abstract: The present invention has an object of providing a display that makes uniform brightnesses of a display image in a plane of a display panel according to a position of an observer. The display includes a display panel, a surface light source panel that emits light toward a back surface of the display panel, a sensor that senses a position of an observer with respect to the display panel, and a controller, wherein a brightness can be adjusted for each of areas of the surface light source panel, and the controller adjusts respective brightnesses of the areas of the surface light source panel so that brightnesses of a display image in a plane of the display panel are made uniform, when the display panel is observed from the position of the observer sensed by the sensor.Type: GrantFiled: May 22, 2017Date of Patent: April 21, 2020Assignee: Mitsubishi Electric CorporationInventors: Takafumi Kokusho, Kenji Arita
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Patent number: 10613378Abstract: Provided is a backlight capable of keeping display quality, and a display including the backlight. The backlight includes a molded frame and a rear frame that hold an optical member forming an area light source from the front and back sides of a light-outgoing surface of the area light source. The molded frame has a portion forming the frame of the area light source, and has molded-frame projections selectively disposed in this portion and facing the rear frame in the back-and-forth direction. The rear frame has a portion forming the frame of the area light source, and has rear-frame pockets selectively disposed in this portion and facing the molded frame in the back-and-forth direction. Each molded-frame projection and each rear-frame pocket are interlocked, and regulate a movement in the inward-and-outward direction.Type: GrantFiled: December 10, 2018Date of Patent: April 7, 2020Assignee: Mitsubishi Electric CorporationInventor: Kenji Arita
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Patent number: 10551718Abstract: A protection member is disposed on a curved part of a housing having a desired curvature between a first display panel and a second display panel, thus the protection member is deformed along with the curvature of the curved part and curved. The curvature of the curved part formed in the housing has a plurality of curvatures.Type: GrantFiled: March 23, 2018Date of Patent: February 4, 2020Assignee: Mitsubishi Electric CorporationInventors: Kenji Arita, Takashi Miyayama
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Patent number: 10451933Abstract: Regions including a respective plurality of connectors of a relay FPC are disposed while respectively facing a plurality of planes of a lower frame formed in accordance with a curvature of a curved display panel, and a connection FPC mounted in an end portion of the display panel is connected to the connector of the relay FPC.Type: GrantFiled: September 26, 2017Date of Patent: October 22, 2019Assignee: Mitsubishi Electric CorporationInventors: Kenji Arita, Takashi Miyayama, Hirofumi Iwanaga
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Publication number: 20190227380Abstract: Provided is a backlight capable of keeping display quality, and a display including the backlight. The backlight includes a molded frame and a rear frame that hold an optical member forming an area light source from the front and back sides of a light-outgoing surface of the area light source. The molded frame has a portion forming the frame of the area light source, and has molded-frame projections selectively disposed in this portion and facing the rear frame in the back-and-forth direction. The rear frame has a portion forming the frame of the area light source, and has rear-frame pockets selectively disposed in this portion and facing the molded frame in the back-and-forth direction. Each molded-frame projection and each rear-frame pocket are interlocked, and regulate a movement in the inward-and-outward direction.Type: ApplicationFiled: December 10, 2018Publication date: July 25, 2019Applicant: Mitsubishi Electric CorporationInventor: Kenji ARITA
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Patent number: 10222542Abstract: The object of the present invention is to prevent deformation in a light guide plate and display anomalies. When the light guide plate is disposed in the backlight, a cushion rubber abuts a side surface of the light guide plate and a side surface portion of a lower frame to be pressed (squeezed) into the light guide plate and the lower frame. The cushion rubber is disposed lower than the side surface of the light guide plate, and is formed at a height not interfering with optical sheets. A protrusion portion is formed from an upper surface portion of an upper frame in a space between an upper surface portion of the cushion rubber and the upper frame to face the upper surface portion of the cushion rubber.Type: GrantFiled: December 13, 2017Date of Patent: March 5, 2019Assignee: Mitsubishi Electric CorporationInventor: Kenji Arita
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Patent number: 10216022Abstract: A display device includes: a display panel; a protective member that is disposed on a display surface side of the display panel, and that has an end portion extending outward from an end portion of the display panel; a mold frame that is disposed on an opposite side to the display surface of the display panel, and that constitutes at least a side surface of a backlight except a back surface of the backlight; and a flange frame that is disposed outside the mold frame, and that includes a sidewall portion fixed to the mold frame, and a flange portion that is a peripheral portion extending outward from an upper end portion of the sidewall portion, the flange portion being fixed to a peripheral portion of the protective member.Type: GrantFiled: October 5, 2017Date of Patent: February 26, 2019Assignee: Mitsubishi Electric CorporationInventor: Kenji Arita
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Publication number: 20180284564Abstract: A protection member is disposed on a curved part of a housing having a desired curvature between a first display panel and a second display panel, thus the protection member is deformed along with the curvature of the curved part and curved. The curvature of the curved part formed in the housing has a plurality of curvatures.Type: ApplicationFiled: March 23, 2018Publication date: October 4, 2018Applicant: Mitsubishi Electric CorporationInventors: Kenji ARITA, Takashi MIYAYAMA
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Publication number: 20180172901Abstract: The object of the present invention is to prevent deformation in a light guide plate and display anomalies. When the light guide plate is disposed in the backlight, a cushion rubber abuts a side surface of the light guide plate and a side surface portion of a lower frame to be pressed (squeezed) into the light guide plate and the lower frame. The cushion rubber is disposed lower than the side surface of the light guide plate, and is formed at a height not interfering with optical sheets. A protrusion portion is formed from an upper surface portion of an upper frame in a space between an upper surface portion of the cushion rubber and the upper frame to face the upper surface portion of the cushion rubber.Type: ApplicationFiled: December 13, 2017Publication date: June 21, 2018Applicant: Mitsubishi Electric CorporationInventor: Kenji ARITA
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Publication number: 20180113349Abstract: Regions including a respective plurality of connectors of a relay FPC are disposed while respectively facing a plurality of planes of a lower frame formed in accordance with a curvature of a curved display panel, and a connection FPC mounted in an end portion of the display panel is connected to the connector of the relay FPC.Type: ApplicationFiled: September 26, 2017Publication date: April 26, 2018Applicant: Mitsubishi Electric CorporationInventors: Kenji ARITA, Takashi MIYAYAMA, Hirofumi IWANAGA
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Publication number: 20180113352Abstract: A display device includes: a display panel; a protective member that is disposed on a display surface side of the display panel, and that has an end portion extending outward from an end portion of the display panel; a mold frame that is disposed on an opposite side to the display surface of the display panel, and that constitutes at least a side surface of a backlight except a back surface of the backlight; and a flange frame that is disposed outside the mold frame, and that includes a sidewall portion fixed to the mold frame, and a flange portion that is a peripheral portion extending outward from an upper end portion of the sidewall portion, the flange portion being fixed to a peripheral portion of the protective member.Type: ApplicationFiled: October 5, 2017Publication date: April 26, 2018Applicant: Mitsubishi Electric CorporationInventor: Kenji ARITA
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Publication number: 20170343827Abstract: The present invention has an object of providing a display that makes uniform brightnesses of a display image in a plane of a display panel according to a position of an observer. The display includes a display panel, a surface light source panel that emits light toward a back surface of the display panel, a sensor that senses a position of an observer with respect to the display panel, and a controller, wherein a brightness can be adjusted for each of areas of the surface light source panel, and the controller adjusts respective brightnesses of the areas of the surface light source panel so that brightnesses of a display image in a plane of the display panel are made uniform, when the display panel is observed from the position of the observer sensed by the sensor.Type: ApplicationFiled: May 22, 2017Publication date: November 30, 2017Applicant: Mitsubishi Electric CorporationInventors: Takafumi KOKUSHO, Kenji ARITA
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Patent number: 9664938Abstract: A display device of this disclosure: a display element; a first frame holding the display element; a second frame having an opening and engaged with the first frame to arrange therein the display element, and a transparent member arranged on a front surface of the display element with an adhesive material being interposed therebetween. The transparent member is accommodated in an opening without overlapping with the opening of the second frame.Type: GrantFiled: September 24, 2014Date of Patent: May 30, 2017Assignee: Mitsubishi Electric CorporationInventor: Kenji Arita
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Patent number: 9625750Abstract: A display device includes a first housing containing a display panel between a backlight and the first housing, the backlight includes a light source substrate, and a second housing that holds the light source substrate, the second housing includes a back surface portion and a first side wall portion protruded in a front surface direction of the backlight from the back surface portion, the light source substrate is fixed to an inside of the first side wall portion, an opening is provided in the first side wall portion so as to overlap the light source substrate, the first housing includes a front surface frame portion and a second side wall portion protruded in a back surface direction of the backlight from the front surface frame portion, a projected portion is provided in an inside of the second side wall portion, and the projected portion is fitted into the opening.Type: GrantFiled: June 4, 2015Date of Patent: April 18, 2017Assignee: Mitsubishi Electric CorporationInventor: Kenji Arita
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Patent number: 9612466Abstract: A display apparatus includes a frame that holds a display module. The display module includes a protective member located on a display surface side of a display panel. The frame has a plane surface opposed to a periphery of the protective member and a side surface opposed to a side surface of the display module. The plane surface of the frame is fixed to the periphery of the protective member through a joining member. The display apparatus has a fixing structure to fix the side surface of the frame to the side surface of the display module.Type: GrantFiled: September 1, 2015Date of Patent: April 4, 2017Assignee: Mitsubishi Electric CorporationInventor: Kenji Arita
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Publication number: 20160306105Abstract: A backlight includes an optical sheet and a pressing portion. The pressing portion has a holding portion that holds a projection by coming into contact with the projection of the extended optical sheet when the optical sheet is extended.Type: ApplicationFiled: February 23, 2016Publication date: October 20, 2016Applicant: Mitsubishi Electric CorporationInventor: Kenji ARITA
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Publication number: 20160085111Abstract: A display apparatus includes a frame that holds a display module. The display module includes a protective member located on a display surface side of a display panel. The frame has a plane surface opposed to a periphery of the protective member and a side surface opposed to a side surface of the display module. The plane surface of the frame is fixed to the periphery of the protective member through a joining member. The display apparatus has a fixing structure to fix the side surface of the frame to the side surface of the display module.Type: ApplicationFiled: September 1, 2015Publication date: March 24, 2016Applicant: Mitsubishi Electric CorporationInventor: Kenji ARITA
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Publication number: 20150355497Abstract: A display device includes a first housing containing a display panel between a backlight and the first housing, the backlight includes a light source substrate, and a second housing that holds the light source substrate, the second housing includes a back surface portion and a first side wall portion protruded in a front surface direction of the backlight from the back surface portion, the light source substrate is fixed to an inside of the first side wall portion, an opening is provided in the first side wall portion so as to overlap the light source substrate, the first housing includes a front surface frame portion and a second side wall portion protruded in a back surface direction of the backlight from the front surface frame portion, a projected portion is provided in an inside of the second side wall portion, and the projected portion is fitted into the opening.Type: ApplicationFiled: June 4, 2015Publication date: December 10, 2015Applicant: MITSUBISHI ELECTRIC CORPORATIONInventor: Kenji ARITA
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Patent number: 9123265Abstract: A planar light source device includes: a point light source that emits light; a circuit board that has a mounting portion, on which the point light source mounted, and a fixing portion, on which a connector supplying electric power to the point light source is mounted; and a frame that holds the circuit board with the point light source, wherein the circuit board has a protruding portion that protrudes from an end portion of the fixing portion, and wherein the fixing portion of the circuit board is fixed at an inner portion of the frame, and wherein the protruding portion of the circuit board is fixed at an outer portion of the frame, which is opposite to the inner portion of the fixing portion.Type: GrantFiled: July 24, 2012Date of Patent: September 1, 2015Assignee: Mitsubishi Electric CorporationInventors: Shigeyuki Matsumoto, Kenji Arita
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Patent number: 9121990Abstract: A planar light source apparatus includes a light source; a flexible printed circuit (FPC) having a wiring part that extends from a light source mounting part having the light source; a rear frame that accommodates the light source and the FPC; and a driver substrate, which is arranged on a backside that is an opposite side of an inner surface of the rear frame, and which has a connector configured to connect the FPC, wherein an end portion of the wiring part is extracted to the backside through an opening hole formed in the rear frame and is connected to the connector, and wherein the backside of the rear frame has a protrusion portion, which is arranged in the vicinity of an insertion slot of the connector, and is which formed to be substantially level with an arrangement position of the insertion slot.Type: GrantFiled: May 22, 2012Date of Patent: September 1, 2015Assignee: MITSUBISHI ELECTRIC CORPORATIONInventor: Kenji Arita