Patents by Inventor Tadahiro KUGIMARU
Tadahiro KUGIMARU 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: 11650635Abstract: An image display device includes a display panel which displays an image, a back cover disposed along the back surface of the display panel, a circuit substrate which is disposed on the back surface of the back cover and which is for driving the display of the image on the display panel, and a FPC which connects the circuit substrate and the display panel. The back cover has a recess recessed inward from the edge of the back cover in a plan view. The FPC is disposed so as to pass through the recess.Type: GrantFiled: June 17, 2019Date of Patent: May 16, 2023Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTDInventors: Masato Kazama, Jun Araya, Ryouji Oonishi, Tadahiro Kugimaru, Kazuyuki Takahashi, Kenji Mochidome, Kouji Terawaki
-
Patent number: 11464142Abstract: An image display device includes: a display panel which displays an image on a front surface of the display panel; a heat diffusing plate on a rear side of the display panel; and a frame along an edge surface of the display panel and an edge surface of the heat diffusing plate. The frame includes: a side wall which is disposed opposite to the edge surface of the display panel and the edge surface of the heat diffusing plate; and a support wall which projects from the side wall toward the heat diffusing plate. The heat diffusing plate includes a peripheral portion between the support wall and the display panel. The peripheral portion includes, on a rear side, a stepped portion which houses at least part of support wall.Type: GrantFiled: March 10, 2020Date of Patent: October 4, 2022Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Masato Kazama, Tadahiro Kugimaru, Yoshitoshi Ooki
-
Patent number: 11086156Abstract: An image display device includes: an image display unit which includes a display panel switchable between an image display mode in which an image is displayed and a transmissive mode in which the display panel is in a transmissive state where an object behind the image display unit is visible in a front view of the display panel; a controller which controls an operation of the display panel; and a lower shelf board which is a holding member. The lower shelf board is disposed projecting rearward from a rear surface of the image display unit and holds the controller in a housed state.Type: GrantFiled: March 28, 2019Date of Patent: August 10, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO, LTD.Inventors: Tadahiro Kugimaru, Ryouji Onishi, Jun Araya, Tatsuya Ina, Kazuhiro Miyabe
-
Publication number: 20210165469Abstract: An image display device includes a display panel which displays an image, a back cover disposed along the back surface of the display panel, a circuit substrate which is disposed on the back surface of the back cover and which is for driving the display of the image on the display panel, and a FPC which connects the circuit substrate and the display panel. The back cover has a recess recessed inward from the edge of the back cover in a plan view. The FPC is disposed so as to pass through the recess.Type: ApplicationFiled: June 17, 2019Publication date: June 3, 2021Inventors: Masato KAZAMA, Jun ARAYA, Ryouji OONISHI, Tadahiro KUGIMARU, Kazuyuki TAKAHASHI, Kenji MOCHIDOME, Kouji TERAWAKI
-
Publication number: 20210127531Abstract: An image display device includes: a display panel which displays an image on a front surface of the display panel; a heat diffusing plate on a rear side of the display panel; and a frame along an edge surface of the display panel and an edge surface of the heat diffusing plate. The frame includes: a side wall which is disposed opposite to the edge surface of the display panel and the edge surface of the heat diffusing plate; and a support wall which projects from the side wall toward the heat diffusing plate. The heat diffusing plate includes a peripheral portion between the support wall and the display panel. The peripheral portion includes, on a rear side, a stepped portion which houses at least part of support wall.Type: ApplicationFiled: March 10, 2020Publication date: April 29, 2021Inventors: Masato KAZAMA, Tadahiro KUGIMARU, Yoshitoshi OOKI
-
Patent number: 10976601Abstract: A video display device includes: a display panel that displays an image based on an input image signal; a light source substrate that includes a plurality of light sources on a main surface which is a front side of the light source substrate, and emits, toward a rear side of the display panel, light emitted from the plurality of light sources; a reflection sheet that is provided on the main surface of the light source substrate, and in which hollow partitioning walls each of which separates adjacent two light sources of the plurality of light sources are formed; and an optical member that has a plate shape, is provided between the display panel and the light source substrate, and uniformizes luminance distribution of the light emitted from the light source substrate. The reflection sheet extends to an outside of an outer peripheral edge of the optical member as viewed from the front side.Type: GrantFiled: August 30, 2016Date of Patent: April 13, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasuhiro Kumamoto, Takeichi Shinya, Koujirou Higa, Masaaki Ofuji, Taizou Takeuchi, Tadahiro Kugimaru
-
Patent number: 10959545Abstract: An image display device includes an image display unit including a display panel, a shelf board, and an illumination unit. The display panel is switchable between an image display mode in which an image is displayed and a transmissive mode in which the display panel is in a transmissive state where objects behind image display unit is visible in a front view of the display panel. The shelf board is disposed projecting rearward from the rear surface of image display unit, and extends in the lateral direction. The illumination unit is disposed above the shelf board and emits light downward.Type: GrantFiled: March 28, 2019Date of Patent: March 30, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tatsuya Ina, Tadahiro Kugimaru, Ryouji Onishi, Jun Araya
-
Patent number: 10914985Abstract: An image display apparatus includes: a back frame disposed on a rear-surface side of a display panel; a plurality of light-emitting diodes (LEDs) disposed on a front-surface side of the back frame; a luminance uniforming plate which is disposed on a front-surface side of the plurality of LEDs to cover the plurality of LEDs, and makes uniform luminance of light emitted by the plurality of LEDs; a diffuser plate which is disposed on a front-surface side of the luminance uniforming plate, and diffuses light transmitted through the luminance uniforming plate; and a support pin which is fixed to the back frame, extends to penetrate through the luminance uniforming plate, and has a tip end that supports the diffuser plate. The tip end of the support pin has a shape of a convex curve.Type: GrantFiled: February 6, 2018Date of Patent: February 9, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tadahiro Kugimaru, Taizou Takeuchi, Takafumi Umitani
-
Patent number: 10914984Abstract: An image display apparatus includes: back frame light-emitting diodes (LEDs) disposed on a back frame; a luminance uniforming plate which makes uniform luminance of light emitted by the LEDs; a diffuser plate which is disposed on a front-surface side of the luminance uniforming plate and a support pin which is fixed to the back frame, extends to penetrate through the luminance uniforming plate, and has a tip end that supports the diffuser plate. The support pin includes: a pedestal which is fixed to an opening portion formed in the back frame; and a support which includes the tip end, and extends from the pedestal toward a front-surface side. The pedestal includes a holding portion (first portion and second portion) which holds the back frame in a thickness direction of the back frame, and a portion of the holding portion on which the back frame is disposed is stepped.Type: GrantFiled: February 6, 2018Date of Patent: February 9, 2021Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Tadahiro Kugimaru, Taizou Takeuchi, Takafumi Umitani
-
Publication number: 20200409206Abstract: An image display device includes: an image display unit which includes a display panel switchable between an image display mode in which an image is displayed and a transmissive mode in which the display panel is in a transmissive state where an object behind the image display unit is visible in a front view of the display panel; a controller which controls an operation of the display panel; and a lower shelf board which is a holding member. The lower shelf board is disposed projecting rearward from a rear surface of the image display unit and holds the controller in a housed state.Type: ApplicationFiled: March 28, 2019Publication date: December 31, 2020Inventors: Tadahiro KUGIMARU, Ryouji ONISHI, Jun ARAYA, Tatsuya INA, Kazuhiro MIYABE
-
Patent number: 10809569Abstract: A video display device includes: a display panel that displays an image based on an input image signal; a light source substrate that includes a plurality of light sources on a main surface which is a front side of the light source substrate, and emits, toward a rear side of the display panel, light emitted from the plurality of light sources; a reflection sheet that is provided on the main surface of the light source substrate, and in which hollow partitioning walls each of which separates adjacent two light sources of the plurality of light sources are formed; an optical member that is provided between the display panel and the light source substrate, and uniformizes luminance distribution of the light emitted from the light source substrate; and support members each of which is provided between the light source substrate and the optical member, and supports the optical member.Type: GrantFiled: August 30, 2016Date of Patent: October 20, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasuhiro Kumamoto, Takeichi Shinya, Koujirou Higa, Masaaki Ofuji, Taizou Takeuchi, Tadahiro Kugimaru
-
Patent number: 10663793Abstract: A video display device includes a liquid crystal display panel, and light source substrates configured to illuminate the liquid crystal display panel from a rear side of the liquid crystal display panel. Each of the light source substrates includes a plurality of light emitting diodes each of which is provided in corresponding one of areas different from each other in the liquid crystal display panel, and driver elements which drive each of the plurality of light emitting diodes such that light is emitted with luminance corresponding to brightness within a corresponding area of an image in accordance with a control signal. First conductive foil is disposed on a first main surface of the light source substrate on which the light emitting diodes are provided. Second conductive foil is disposed on a second main surface of the light source substrate on a side opposite to the first main surface.Type: GrantFiled: August 30, 2016Date of Patent: May 26, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasuhiro Kumamoto, Takeichi Shinya, Koujirou Higa, Masaaki Ofuji, Taizou Takeuchi, Tadahiro Kugimaru, Ryou Shimotaya
-
Patent number: 10642097Abstract: A video display device includes a liquid crystal display panel, and a plurality of light source substrates configured to illuminate the liquid crystal display panel from a rear side of the liquid crystal display panel. Each of the plurality of light source substrates includes a signal input connector that receives a control signal, a plurality of light emitting diodes each of which is provided in correspondence with a corresponding one of areas different from each other in the liquid crystal display panel, a driver element that drives each of the plurality of light emitting diodes in accordance with the control signal such that each of the plurality of light emitting diodes emits light with luminance corresponding to brightness of the corresponding area of an image, and a signal output connector that through-outputs the control signal.Type: GrantFiled: August 30, 2016Date of Patent: May 5, 2020Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasuhiro Kumamoto, Takeichi Shinya, Koujirou Higa, Masaaki Ofuji, Taizou Takeuchi, Tadahiro Kugimaru
-
Publication number: 20200128976Abstract: An image display device includes an image display unit including a display panel, a shelf board, and an illumination unit. The display panel is switchable between an image display mode in which an image is displayed and a transmissive mode in which the display panel is in a transmissive state where objects behind image display unit is visible in a front view of the display panel. The shelf board is disposed projecting rearward from the rear surface of image display unit, and extends in the lateral direction. The illumination unit is disposed above the shelf board and emits light downward.Type: ApplicationFiled: March 28, 2019Publication date: April 30, 2020Inventors: Tatsuya INA, Tadahiro KUGIMARU, Ryouji ONISHI, Jun ARAYA
-
Patent number: 10490143Abstract: A video display device includes a display panel that displays an image based on an image signal, and a light source substrate disposed on a rear side of the display panel. The light source substrate includes a plurality of light emitting elements disposed on a surface of the light source substrate on a side toward the display panel, and a plurality of driver elements that are disposed on the same surface of the light source substrate as the surface to which the plurality of light emitting elements are attached, and drive each of the plurality of light emitting elements.Type: GrantFiled: August 30, 2016Date of Patent: November 26, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Yasuhiro Kumamoto, Takeichi Shinya, Koujirou Higa, Masaaki Ofuji, Taizou Takeuchi, Tadahiro Kugimaru
-
Patent number: 10317730Abstract: A display device includes a display panel, a plurality of light-emitting sources arranged in a matrix and mounted on a back plate to project light towards the display panel, a reflection sheet attached to the back plate and having holes into which the light-emitting sources are inserted, and a plurality of protrusions formed on the back plate for causing portions of the reflection sheet to bulge out toward the display panel.Type: GrantFiled: February 2, 2016Date of Patent: June 11, 2019Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.Inventors: Takamitsu Isono, Yasuhiro Kumamoto, Tadahiro Kugimaru, Kouji Terawaki
-
Publication number: 20190137827Abstract: An image display apparatus includes: back frame light-emitting diodes (LEDs) disposed on a back frame; a luminance uniforming plate which makes uniform luminance of light emitted by the LEDs; a diffuser plate which is disposed on a front-surface side of the luminance uniforming plate and a support pin which is fixed to the back frame, extends to penetrate through the luminance uniforming plate, and has a tip end that supports the diffuser plate. The support pin includes: a pedestal which is fixed to an opening portion formed in the back frame; and a support which includes the tip end, and extends from the pedestal toward a front-surface side. The pedestal includes a holding portion (first portion and second portion) which holds the back frame in a thickness direction of the back frame, and a portion of the holding portion on which the back frame is disposed is stepped.Type: ApplicationFiled: February 6, 2018Publication date: May 9, 2019Inventors: Tadahiro KUGIMARU, Taizou TAKEUCHI, Takafumi UMITANI
-
Publication number: 20190121201Abstract: An image display apparatus includes: a back frame disposed on a rear-surface side of a display panel; a plurality of light-emitting diodes (LEDs) disposed on a front-surface side of the back frame; a luminance uniforming plate which is disposed on a front-surface side of the plurality of LEDs to cover the plurality of LEDs, and makes uniform luminance of light emitted by the plurality of LEDs; a diffuser plate which is disposed on a front-surface side of the luminance uniforming plate, and diffuses light transmitted through the luminance uniforming plate; and a support pin which is fixed to the back frame, extends to penetrate through the luminance uniforming plate, and has a tip end that supports the diffuser plate. The tip end of the support pin has a shape of a convex curve.Type: ApplicationFiled: February 6, 2018Publication date: April 25, 2019Inventors: Tadahiro KUGIMARU, Taizou TAKEUCHI, Takafumi UMITANI
-
Publication number: 20180252966Abstract: A video display device includes a liquid crystal display panel, and light source substrates configured to illuminate the liquid crystal display panel from a rear side of the liquid crystal display panel. Each of the light source substrates includes a plurality of light emitting diodes each of which is provided in corresponding one of areas different from each other in the liquid crystal display panel, and driver elements which drive each of the plurality of light emitting diodes such that light is emitted with luminance corresponding to brightness within a corresponding area of an image in accordance with a control signal. First conductive foil is disposed on a first main surface of the light source substrate on which the light emitting diodes are provided. Second conductive foil is disposed on a second main surface of the light source substrate on a side opposite to the first main surface.Type: ApplicationFiled: August 30, 2016Publication date: September 6, 2018Inventors: YASUHIRO KUMAMOTO, TAKEICHI SHINYA, KOUJIROU HIGA, MASAAKI OFUJI, TAIZOU TAKEUCHI, TADAHIRO KUGIMARU, RYOU SHIMOTAYA
-
Publication number: 20180240420Abstract: A video display device includes: a display panel that displays an image based on an image signal; a light source substrate disposed on a rear side of the display panel; a plurality of light emitting elements each of which is attached to a surface of the light source substrate on a side toward the display panel to emit light to the display panel; a reflection sheet; and driver elements that drive each of the plurality of light emitting elements. Partitioning wall portions are formed in the reflection sheet, each of partitioning wall portions separates adjacent ones of the light emitting elements, and expands toward the display panel. The reflection sheet covers the surface of the light source substrate on the side toward the display panel except for portions provided with the light emitting elements. Each of the driver elements is attached to the surface of the light source substrate on the side toward the display panel in a portion surrounded by the corresponding partitioning wall portions.Type: ApplicationFiled: August 30, 2016Publication date: August 23, 2018Inventors: YASUHIRO KUMAMOTO, TAKEICHI SHINYA, KOUJIROU HIGA, MASAAKI OFUJI, TAIZOU TAKEUCHI, TADAHIRO KUGIMARU