Patents by Inventor Mitsuru Hosoki

Mitsuru Hosoki 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: 11156872
    Abstract: A display device includes a display panel, a light source, and a heatsink. The display panel is disposed in a vertical position. The display panel includes a display surface on which an image is displayed. The light source illuminates the display panel and an object disposed behind the display panel. The heatsink dissipates heat produced by the light source. The a heatsink includes a light source disposed portion on which the light source is disposed and a heat dissipating portion disposed farther from a front of the display device relative to the light source disposed portions in a thickness direction of the display panel. The heat dissipating portion includes fins having plate shapes and being arranged in the thickness direction of the display panel.
    Type: Grant
    Filed: January 12, 2021
    Date of Patent: October 26, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Mitsuru Hosoki
  • Publication number: 20210263381
    Abstract: A display device includes a display panel, a light source, and a heatsink. The display panel is disposed in a vertical position. The display panel includes a display surface on which an image is displayed. The light source illuminates the display panel and an object disposed behind the display panel. The heatsink dissipates heat produced by the light source. The a heatsink includes a light source disposed portion on which the light source is disposed and a heat dissipating portion disposed farther from a front of the display device relative to the light source disposed portions in a thickness direction of the display panel. The heat dissipating portion includes fins having plate shapes and being arranged in the thickness direction of the display panel.
    Type: Application
    Filed: January 12, 2021
    Publication date: August 26, 2021
    Inventor: MITSURU HOSOKI
  • Publication number: 20210003885
    Abstract: A lighting device includes light sources, at least one light source board on which the light sources are mounted, a chassis including a bottom section on which the at least one light source board is arranged and including a recessed portion on the bottom section, and a connector for electric connection arranged on a portion of the at least one light source board so as to overlap the recessed portion. The at least one light source board includes a portion surrounding the connector and includes at least one projected section on at least a part of the portion, and the projected section projects further than other part of the portion in a plate surface direction of the at least one light source board.
    Type: Application
    Filed: July 1, 2019
    Publication date: January 7, 2021
    Inventor: Mitsuru HOSOKI
  • Patent number: 10718976
    Abstract: A lighting device includes a chassis; light sources; and a rectangular substrate formed of a long rectangular plate-shaped member disposed in the chassis, having the light sources attached to a front surface thereof, and having a plurality of first alignments indicating positions of the light sources. The plurality of first alignments are provided at positions facing each other with the light source interposed therebetween a pair of long sides of the rectangular substrate, and are confirmed at least from a back surface side of the rectangular substrate.
    Type: Grant
    Filed: September 12, 2019
    Date of Patent: July 21, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Mitsuru Hosoki
  • Publication number: 20200089060
    Abstract: A lighting device includes a chassis; light sources; and a rectangular substrate formed of a long rectangular plate-shaped member disposed in the chassis, having the light sources attached to a front surface thereof, and having a plurality of first alignments indicating positions of the light sources. The plurality of first alignments are provided at positions facing each other with the light source interposed therebetween a pair of long sides of the rectangular substrate, and are confirmed at least from a back surface side of the rectangular substrate.
    Type: Application
    Filed: September 12, 2019
    Publication date: March 19, 2020
    Inventor: MITSURU HOSOKI
  • Publication number: 20190204678
    Abstract: A backlight device includes a reflective polarizing sheet, a first sheet support part which supports one end side of the reflective polarizing sheet in a first direction, a first supported part having a first opening through which the first sheet support part passes through and supported by the first sheet support part, a microlens sheet stacked on the reflective polarizing sheet and having a coefficient of linear expansion different from a coefficient of linear expansion of the reflective polarizing sheet, a second sheet support part which supports one end side of the microlens sheet, and a second supported part supported by the second sheet support part, the second supported part disposed at a position not superposed on at least the first opening.
    Type: Application
    Filed: August 29, 2017
    Publication date: July 4, 2019
    Inventor: MITSURU HOSOKI
  • Publication number: 20190187363
    Abstract: A backlight unit includes an optical sheet set, LEDs arranged on one edge side of the optical sheet set with respect to a first direction, a sheet supporter supporting another edge side section of the optical sheet set with respect to the first direction, a support section supported by the sheet supporter, and a contact section. The contact section is a part of the support section to be contacted with the sheet supporter and includes a middle side section and an edge side section that are continuous to each other. At least the middle side section extends from the edge side section obliquely with respect to the first direction and the second direction and toward the one edge side with respect to the first direction and the middle side section has an inclination angle ?1 with respect to the second direction greater than that of the edge side section.
    Type: Application
    Filed: August 17, 2017
    Publication date: June 20, 2019
    Inventor: MITSURU HOSOKI
  • Publication number: 20180143496
    Abstract: A lighting device includes light sources, a light guide plate, light source boards, and a light reflecting member. The light guide plate includes at least one end surface configured as a light entering surface through which light rays from the light sources enter and one of plate surfaces configured as a light exiting surface through which the light rays entering through the light entering surface exit. Each light source board includes one of plate surface configured as a mounting surface on which the light sources are mounted. The light source boards are arranged along the light entering surface with mounting surfaces opposed to the light entering surface. The light reflecting member has light reflectively. The light reflecting member is opposed to a section of an edge of the light exiting surface facing a space between the adjacent light source boards on a light entering surface side.
    Type: Application
    Filed: April 27, 2016
    Publication date: May 24, 2018
    Inventor: MITSURU HOSOKI
  • Patent number: 9632233
    Abstract: A display device includes a light source, a light guide plate, a chassis, a display panel, a flexible circuit board, a signal transmission circuit board, and a first heat dissipation member. The chassis includes a bottom plate that includes a light source supporting portion and a light guide plate supporting portion. The bottom plate includes a surface on which the light source and the light guide plate are arranged. The flexible circuit board is bent and a portion thereof is opposed to another surface of the light source supporting portion. The signal transmission circuit board is arranged over the other surface. The first heat dissipation member is sandwiched between the light guide plate supporting portion and the flexible circuit board and in contact with the other surface and with the flexible circuit board.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: April 25, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Mitsuru Hosoki
  • Publication number: 20160381317
    Abstract: A liquid crystal display device includes: a chassis having a bottom plate; a liquid crystal panel; source-side flexible substrates bent such that one end side thereof is connected to the liquid crystal panel and another end side thereof reaches a rear surface side of the bottom plate; a source substrate connected to the other end side of the source-side flexible substrates and disposed on the rear surface side of the bottom plate; a light guide plate, an end face thereof that faces toward the source-side flexible substrates being a first light-receiving face, and another end face thereof being a second light-receiving face; first LEDs that are of a top-emitting type and that are disposed so as to face the first light-receiving face; second LEDs that are of a side-emitting type and are disposed so as to face the second light-receiving face; a metal first LED substrate, the first LEDs being disposed on a surface thereof; and a second LED substrate, the second LEDs being disposed on a surface thereof.
    Type: Application
    Filed: February 19, 2015
    Publication date: December 29, 2016
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Mitsuru HOSOKI
  • Patent number: 9445064
    Abstract: A liquid crystal display device 10 includes a panel controller 50 and a backlight controller 51. The panel controller 50 drives a liquid crystal panel 11 such that one frame display period includes a red and blue display period and a green display period. In the red and blue display period, red pixels RPX and blue pixels BPX are selectively driven. The backlight controller drives a lighting device to turn on first magenta LEDs 17M1 and the first green LEDs 17G1 until scanning of at least red pixels RPX and blue pixels BPX included in a first area A1 is finished after starting of the scanning, after finishing of the scanning, turn on the first magenta LEDs 17M1 and turn off the first green LEDs 17G1 for at least a certain period until scanning of green pixels BPX included in the first area A1 for a next green display period is started.
    Type: Grant
    Filed: February 26, 2014
    Date of Patent: September 13, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Mitsuru Hosoki
  • Publication number: 20160209580
    Abstract: A display device includes a light source, a light guide plate, a chassis, a display panel, a flexible circuit board, a signal transmission circuit board, and a first heat dissipation member. The chassis includes a bottom plate that includes a light source supporting portion and a light guide plate supporting portion. The bottom plate includes a surface on which the light source and the light guide plate are arranged. The flexible circuit board is bent and a portion thereof is opposed to another surface of the light source supporting portion. The signal transmission circuit board is arranged over the other surface. The first heat dissipation member is sandwiched between the light guide plate supporting portion and the flexible circuit board and in contact with the other surface and with the flexible circuit board.
    Type: Application
    Filed: July 18, 2014
    Publication date: July 21, 2016
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Mitsuru HOSOKI
  • Patent number: 9383506
    Abstract: A backlight unit 12 includes a chassis 14, an LED 17, a light guide plate 19, a duct member 22, and dissipative LED attachment portion 30. The chassis 14 includes a light exit portion 14c through which light exits. The LED 17 is arranged close to an end portion of the chassis 14. The light guide plate 19 is arranged closer to a middle area of the chassis 14 than the LED 17 and light from the LED 17 is guided toward the light exit portion 14c thereby. The duct member 22 is arranged on the side opposite to the light exit portion 14c side of the chassis 14 and has an air passage 23 therein. The duct member 22 is formed of a composite plate 37 including a resin core 38 having a plate-like shape and a pair of metal plates 39 and 40 arranged so as to sandwich the resin core 38 from a front side and a rear side.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: July 5, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Mitsuru Hosoki
  • Patent number: 9350959
    Abstract: A liquid crystal display device 10 includes a liquid crystal panel 11, a backlight unit 12, a panel controller 50, and a backlight controller 51. The liquid crystal panel 11 includes red pixels RPX, blue pixels BPX, and green pixels GPX. The backlight unit 12 includes magenta LEDs 17M and green LEDs 17G. The panel controller 50 is for controlling the liquid crystal panel 11 such that one frame display period includes a first red and blue display period, a second red and blue display period, a first green display period, and a second green display period. In the first and the second display periods, the red pixels RPX and the blue pixels BPX are driven. In the first and the second green display periods, the red pixels RPX and the green pixels GPX are driven.
    Type: Grant
    Filed: November 26, 2013
    Date of Patent: May 24, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Mitsuru Hosoki
  • Patent number: 9303856
    Abstract: A backlight unit includes a chassis, an LED, a light guide plate, a duct member, and dissipative LED attachment portion. The chassis includes a light exit portion through which light exits. The LED is arranged close to an end portion of the chassis. The light guide plate is arranged closer to a middle area of the chassis than the LED and light from the LED is guided toward the light exit portion thereby. The duct member is arranged on the side opposite to the light exit portion side of the chassis and has an air passage therein. The dissipative LED attachment portion is provided to the duct member and includes one part facing the air passage and another part protruding to inside of the chassis and to which the LED is attached.
    Type: Grant
    Filed: January 25, 2013
    Date of Patent: April 5, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Mitsuru Hosoki
  • Publication number: 20160014384
    Abstract: A liquid crystal display device 10 includes a panel controller 50 and a backlight controller 51. The panel controller 50 drives a liquid crystal panel 11 such that one frame display period includes a red and blue display period and a green display period. In the red and blue display period, red pixels RPX and blue pixels BPX are selectively driven. The backlight controller drives a lighting device to turn on first magenta LEDs 17M1 and the first green LEDs 17G1 until scanning of at least red pixels RPX and blue pixels BPX included in a first area A1 is finished after starting of the scanning, after finishing of the scanning, turn on the first magenta LEDs 17M1 and turn off the first green LEDs 17G1 for at least a certain period until scanning of green pixels BPX included in the first area A1 for a next green display period is started.
    Type: Application
    Filed: February 26, 2014
    Publication date: January 14, 2016
    Inventor: Mitsuru HOSOKI
  • Patent number: 9235073
    Abstract: A display device includes a display device main body including a display panel provided on a circumferential portion thereof with an electrode unit and a dummy electrode unit, a chassis housing the display device main body, a source driver FPC configured to be electrically connected to the electrode unit and supply an electric signal to the display panel, and a flexible fixing board connected to the dummy electrode unit and fixed to the chassis.
    Type: Grant
    Filed: February 5, 2013
    Date of Patent: January 12, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Mitsuru Hosoki
  • Publication number: 20150304614
    Abstract: A liquid crystal display device 10 includes a liquid crystal panel 11, a backlight unit 12, a panel controller 50, and a backlight controller 51. The liquid crystal panel 11 includes red pixels RPX, blue pixels BPX, and green pixels GPX. The backlight unit 12 includes magenta LEDs 17M and green LEDs 17G. The panel controller 50 is for controlling the liquid crystal panel 11 such that one frame display period includes a first red and blue display period, a second red and blue display period, a first green display period, and a second green display period. In the first and the second display periods, the red pixels RPX and the blue pixels BPX are driven. In the first and the second green display periods, the red pixels RPX and the green pixels GPX are driven.
    Type: Application
    Filed: November 26, 2013
    Publication date: October 22, 2015
    Inventor: Mitsuru HOSOKI
  • Publication number: 20150192729
    Abstract: A backlight unit 12 includes a chassis 14, an LED 17, a light guide plate 19, a duct member 22, and dissipative LED attachment portion 30. The chassis 14 includes a light exit portion 14c through which light exits. The LED 17 is arranged close to an end portion of the chassis 14. The light guide plate 19 is arranged closer to a middle area of the chassis 14 than the LED 17 and light from the LED 17 is guided toward the light exit portion 14c thereby. The duct member 22 is arranged on the side opposite to the light exit portion 14c side of the chassis 14 and has an air passage 23 therein. The duct member 22 is formed of a composite plate 37 including a resin core 38 having a plate-like shape and a pair of metal plates 39 and 40 arranged so as to sandwich the resin core 38 from a front side and a rear side.
    Type: Application
    Filed: August 14, 2013
    Publication date: July 9, 2015
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Mitsuru Hosoki
  • Publication number: 20150168774
    Abstract: Provided is a liquid crystal display device that includes: a liquid crystal panel that includes red pixels that selectively transmit red light, blue pixels (BPX) that selectively transmit blue light, and green pixels that transmit at least green light; a backlight device that includes magenta LEDs and green LEDs; a panel control unit that controls the liquid crystal panel in such a manner that one frame display period includes a red-and-blue display period in which the red pixels and the blue pixels are selectively driven so as to carry out display in red and blue, and a green display period in which the green pixels are selectively driven so as to carry out display in green; and a backlight control unit that controls the backlight device in such a manner that the backlight device turns on the magenta LEDs and turns off the green LEDs during the red-and-blue display period, and turns on the green LEDs and turns off the magenta LEDs during the green display period.
    Type: Application
    Filed: June 14, 2013
    Publication date: June 18, 2015
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Mitsuru Hosoki