Patents by Inventor Masaaki Takuma
Masaaki Takuma 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: 11949048Abstract: According to one embodiment, an illumination device comprises a first mounting board including a plurality of first light emitting elements, a second mounting board including a plurality of second light emitting elements, and a first wiring board including a first wiring line electrically connected to at least one of the plurality of first light emitting elements and the plurality of second light emitting elements. The first mounting board and the second mounting board extend in a first direction and are arranged along a second direction intersecting the first direction. The first wiring board is superposed on the first mounting board and the second mounting board. The first wiring board has rigidity that is lower than rigidity of each of the first mounting board and the second mounting board.Type: GrantFiled: March 25, 2021Date of Patent: April 2, 2024Assignee: Japan Display Inc.Inventors: Masaaki Takuma, Mao Izawa
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Patent number: 11782299Abstract: According to one embodiment, a display device includes a sheet-like display panel having a first area, second and third areas, and a support substrate bonded to the display panel. The support substrate has a first support portion overlapping the first area, second and third support portions overlapping the second area, fourth and fifth support portions overlapping the third area, a first groove between the first and second support portions, a second groove between the second and third support portions, a third groove between the first and fourth support portions, and a fourth groove between the fourth and fifth support portions. The first and second grooves extend along the second direction. The third and fourth grooves extend along a first direction.Type: GrantFiled: December 20, 2021Date of Patent: October 10, 2023Assignee: Japan Display Inc.Inventors: Mao Izawa, Masaaki Takuma, Hisanori Kawakami
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Publication number: 20220179258Abstract: According to one embodiment, a casing accommodating a display panel and a illumination device includes a bottom portion supporting the illumination device, a first edge part and a second edge part, a third edge part extending along a first direction at a position between the first edge part and the second edge part, a first locking portion provided at the first edge part, and a second locking portion provided at the second edge part, wherein a first adhesive member adheres the display panel to the first locking portion, a second adhesive member adheres the display panel to the second locking portion.Type: ApplicationFiled: February 22, 2022Publication date: June 9, 2022Inventors: Mao IZAWA, Masaaki TAKUMA
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Publication number: 20220113571Abstract: According to one embodiment, a display device includes a sheet-like display panel having a first area, second and third areas, and a support substrate bonded to the display panel. The support substrate has a first support portion overlapping the first area, second and third support portions overlapping the second area, fourth and fifth support portions overlapping the third area, a first groove between the first and second support portions, a second groove between the second and third support portions, a third groove between the first and fourth support portions, and a fourth groove between the fourth and fifth support portions. The first and second grooves extend along the second direction. The third and fourth grooves extend along a first direction.Type: ApplicationFiled: December 20, 2021Publication date: April 14, 2022Inventors: Mao IZAWA, Masaaki TAKUMA, Hisanori KAWAKAMI
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Patent number: 11256118Abstract: According to one embodiment, a display device includes a display panel including a display surface and a rear surface located in an opposite side to the display surface, a support plate including a first main surface opposing the rear surface of the display panel, a second main surface located in an opposite side to the first main surface and a first opening opposing at least a central portion of the display panel, and an adhesive tape disposed on the second main surface so as to be overlaid on the first opening, and including a first adhesive region attached on the second main surface around the first opening and a second adhesive region located in the first opening and attached on the rear surface of the display panel.Type: GrantFiled: March 22, 2021Date of Patent: February 22, 2022Assignee: Japan Display Inc.Inventors: Masaaki Takuma, Mao Izawa, Hisanori Kawakami, Susumu Kimura
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Publication number: 20210305466Abstract: According to one embodiment, an illumination device comprises a first mounting board including a plurality of first light emitting elements, a second mounting board including a plurality of second light emitting elements, and a first wiring board including a first wiring line electrically connected to at least one of the plurality of first light emitting elements and the plurality of second light emitting elements. The first mounting board and the second mounting board extend in a first direction and are arranged along a second direction intersecting the first direction. The first wiring board is superposed on the first mounting board and the second mounting board. The first wiring board has rigidity that is lower than rigidity of each of the first mounting board and the second mounting board.Type: ApplicationFiled: March 25, 2021Publication date: September 30, 2021Inventors: Masaaki TAKUMA, Mao IZAWA
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Publication number: 20210208447Abstract: According to one embodiment, a display device includes a display panel including a display surface and a rear surface located in an opposite side to the display surface, a support plate including a first main surface opposing the rear surface of the display panel, a second main surface located in an opposite side to the first main surface and a first opening opposing at least a central portion of the display panel, and an adhesive tape disposed on the second main surface so as to be overlaid on the first opening, and including a first adhesive region attached on the second main surface around the first opening and a second adhesive region located in the first opening and attached on the rear surface of the display panel.Type: ApplicationFiled: March 22, 2021Publication date: July 8, 2021Applicant: Japan Display Inc.Inventors: Masaaki TAKUMA, Mao IZAWA, Hisanori KAWAKAMI, Susumu KIMURA
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Patent number: 10983380Abstract: According to one embodiment, a display device includes a display panel including a display surface and a rear surface located in an opposite side to the display surface, a support plate including a first main surface opposing the rear surface of the display panel, a second main surface located in an opposite side to the first main surface and a first opening opposing at least a central portion of the display panel, and an adhesive tape disposed on the second main surface so as to be overlaid on the first opening, and including a first adhesive region attached on the second main surface around the first opening and a second adhesive region located in the first opening and attached on the rear surface of the display panel.Type: GrantFiled: April 3, 2020Date of Patent: April 20, 2021Assignee: Japan Display Inc.Inventors: Masaaki Takuma, Mao Izawa, Hisanori Kawakami, Susumu Kimura
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Publication number: 20200319495Abstract: According to one embodiment, a display device includes a display panel including a display surface and a rear surface located in an opposite side to the display surface, a support plate including a first main surface opposing the rear surface of the display panel, a second main surface located in an opposite side to the first main surface and a first opening opposing at least a central portion of the display panel, and an adhesive tape disposed on the second main surface so as to be overlaid on the first opening, and including a first adhesive region attached on the second main surface around the first opening and a second adhesive region located in the first opening and attached on the rear surface of the display panel.Type: ApplicationFiled: April 3, 2020Publication date: October 8, 2020Applicant: Japan Display Inc.Inventors: Masaaki TAKUMA, Mao Izawa, Hisanori Kawakami, Susumu Kimura
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Publication number: 20140015873Abstract: According to one embodiment, there is provided a second block that is connectable via an interface cable to a first block serving as a signal source, and supplies a high-resolution display with image data of a high resolution. The second block has an information transmitter for transmitting particular resolution information different from the high resolution when the resolution information of the high-resolution display is transmitted to the first block. The second block also has an image decoder for decoding, into image data of the high resolution, the image data processed based on the particular resolution information and sent from the first block. The decoded high-resolution image data is output to the high-resolution display.Type: ApplicationFiled: March 8, 2013Publication date: January 16, 2014Inventors: Taiki KASAI, Ichiro AKIYAMA, Keiichi INOUE, Takeshi DOI, Koki KIMURA, Katsuaki KUWASHIRO, Masaaki TAKUMA
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Patent number: 7545628Abstract: In a display panel mounted on a display device, a configuration of mounting that realizes decrease in thickness and weight and exhibits high reliability as well. The display panel is provided with a screen, a plastic frame supporting at least part of the outer periphery of a surface light source device, and a metallic frame disposed on the outside of the plastic frame. On the plastic frame, bosses for fixing the display panel are formed. The metallic frame is furnished at the positions opposite the bosses with holes that allow insertion of screws for fixing the display panel. The display panel is fixed to the outer cover of the display device by causing the fixing screws to be fastened by screwing into the bosses formed on the plastic frame of the display panel.Type: GrantFiled: October 2, 2007Date of Patent: June 9, 2009Assignee: Toshiba Matsushita Display Technology Co., Ltd.Inventor: Masaaki Takuma
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Publication number: 20080130211Abstract: In a display panel mounted on a display device, a configuration of mounting that realizes decrease in thickness and weight and exhibits high reliability as well. The display panel is provided with a screen, a plastic frame supporting at least part of the outer periphery of a surface light source device, and a metallic frame disposed on the outside of the plastic frame. On the plastic frame, bosses for fixing the display panel are formed. The metallic frame is furnished at the positions opposite the bosses with holes that allow insertion of screws for fixing the display panel. The display panel is fixed to the outer cover of the display device by causing the fixing screws to be fastened by screwing into the bosses formed on the plastic frame of the display panel.Type: ApplicationFiled: October 2, 2007Publication date: June 5, 2008Inventor: Masaaki TAKUMA
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Patent number: 5161028Abstract: In this invention, a first slider is slidably provided in a holding part provided in a housing part within a car, a second slider is further slidably provided along this first slider and a liquid crystal display is rotatably provided through a hinge at the tip of this second slider. Further, an engaging means is provided on said housing part and second slider so that, when the liquid crystal display is housed, the above mentioned display, second slider and first slider may be disengageably housed within the above mentioned holding part by the above mentioned engaging means and the liquid crystal display may be always kept energized in the sliding direction by the energizing means and, when the liquid crystal display is to be used, it may be easy to move in the sliding direction by the energizing force.Type: GrantFiled: September 5, 1991Date of Patent: November 3, 1992Assignee: Kabushiki Kaisha ToshibaInventors: Norio Kawata, Masaaki Takuma
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Patent number: D425035Type: GrantFiled: January 14, 1999Date of Patent: May 16, 2000Assignee: Kabushiki Kaisha ToshibaInventors: Osamu Kondo, Masaaki Takuma