Patents by Inventor Takaharu Shimizu

Takaharu Shimizu 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).

  • Publication number: 20220260247
    Abstract: A plurality of light source boards each having a wiring pattern including a plurality of wires, a plurality of light-emitting elements disposed on each light source board, switching on and off of which being controlled by a control board, board-side connectors each attached to a corresponding one of the plurality of light source boards, a flexible flat cable that has a multi-core structure including a flat-shaped insulator and a plurality of conductors aligned in a direction orthogonal to a thickness direction of the insulator, and is connected at one end to the control board, and a plurality of cable-side connectors attached to the flexible flat cable and coupled to the board-side connectors are included.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 18, 2022
    Inventor: Takaharu SHIMIZU
  • Patent number: 11359805
    Abstract: A plurality of light source boards each having a wiring pattern including a plurality of wires, a plurality of light-emitting elements disposed on each light source board, switching on and off of which being controlled by a control board, board-side connectors each attached to a corresponding one of the plurality of light source boards, a flexible flat cable that has a multi-core structure including a flat-shaped insulator and a plurality of conductors aligned in a direction orthogonal to a thickness direction of the insulator, and is connected at one end to the control board, and a plurality of cable-side connectors attached to the flexible flat cable and coupled to the board-side connectors are included.
    Type: Grant
    Filed: June 17, 2019
    Date of Patent: June 14, 2022
    Assignee: SATURN LICENSING LLC
    Inventor: Takaharu Shimizu
  • Publication number: 20220163850
    Abstract: A light-emitting unit includes a plurality of lenses; and two or more light-emitting devices covered by each of the lenses, and the two or more light-emitting devices covered by one lens of the lenses are electrically separated from each other.
    Type: Application
    Filed: February 2, 2022
    Publication date: May 26, 2022
    Applicant: Saturn Licensing LLC
    Inventor: Takaharu Shimizu
  • Patent number: 11262619
    Abstract: A light-emitting unit includes a plurality of lenses; and two or more light-emitting devices covered by each of the lenses, and the two or more light-emitting devices covered by one lens of the lenses are electrically separated from each other.
    Type: Grant
    Filed: May 11, 2018
    Date of Patent: March 1, 2022
    Assignee: Saturn Licensing LLC
    Inventor: Takaharu Shimizu
  • Publication number: 20210356115
    Abstract: A plurality of light source boards each having a wiring pattern including a plurality of wires, a plurality of light-emitting elements disposed on each light source board, switching on and off of which being controlled by a control board, board-side connectors each attached to a corresponding one of the plurality of light source boards, a flexible flat cable that has a multi-core structure including a flat-shaped insulator and a plurality of conductors aligned in a direction orthogonal to a thickness direction of the insulator, and is connected at one end to the control board, and a plurality of cable-side connectors attached to the flexible flat cable and coupled to the board-side connectors are included.
    Type: Application
    Filed: June 17, 2019
    Publication date: November 18, 2021
    Applicant: Sony Corporation
    Inventor: Takaharu Shimizu
  • Publication number: 20200285113
    Abstract: A light-emitting unit includes a plurality of lenses; and two or more light-emitting devices covered by each of the lenses, and the two or more light-emitting devices covered by one lens of the lenses are electrically separated from each other.
    Type: Application
    Filed: May 11, 2018
    Publication date: September 10, 2020
    Applicant: Sony Corporation
    Inventor: Takaharu SHIMIZU
  • Publication number: 20200278582
    Abstract: A light emitting apparatus includes: a liquid crystal section having a liquid crystal layer between a first surface and a second surface that face each other; a light emitting section that has a light output surface and outputs light from the light output surface with respect to the first surface in an oblique direction, in which the light output surface faces the first surface of the liquid crystal section; and an optical component facing the second surface of the liquid crystal section and having an interface, in which the interface is inclined with respect to the second surface and has different refractive indices.
    Type: Application
    Filed: July 10, 2018
    Publication date: September 3, 2020
    Applicant: Sony Corporation
    Inventor: Takaharu Shimizu
  • Patent number: 10434746
    Abstract: A laminated type optical member used in a display device for displaying an image based on pixels arrange in a matrix includes a first optical member, a second optical member, and spacers. The second optical member is disposed on a light entering side relative to the first optical member with a gap between the first optical member and the second optical member to overlap the first optical member. The spacers are disposed between the first optical member and the second optical member to hold the gap between the first optical member and the second optical member to form an air layer. The spacers are formed in linear shapes along a plate surface of the second optical member with axes tilted relative to an arrangement direction of the pixels.
    Type: Grant
    Filed: February 24, 2016
    Date of Patent: October 8, 2019
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Takaharu Shimizu
  • Patent number: 10180532
    Abstract: An illumination device according to an aspect of the present disclosure is provided with a dish-shaped accommodating body, a plurality of light source substrates on each of which a light source is mounted on one face, and which are aligned on an inner face of a base wall of the accommodating body, a reflecting sheet which covers the one face, and the inner face of the accommodating body, and reflects light, and a power supply unit, the illumination device including a connector which is provided on the one face; a power feeding member which is formed of a flexible printed board, disposed between the base wall and the reflecting sheet, and feeds power from the power supply unit to the light source substrate; and a light source connecting portion which is provided in the power feeding member, and is electrically connected to the connector.
    Type: Grant
    Filed: March 11, 2016
    Date of Patent: January 15, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Takaharu Shimizu
  • Publication number: 20180231839
    Abstract: A backlight unit includes LEDs, a chassis, LED boards, and a reflection sheet. The chassis includes a bottom plate on an opposite side from the light emitting surface side of the LEDs. The LEDs are mounted on the LED boards. The LED boards are disposed along the bottom plate. The reflection sheet is configured to reflect light rays from the LEDs. The reflection sheet at least includes a bottom-side reflecting portion that overlaps the LED boards from the light exiting surfaces side and projected reflecting portions that project from the bottom-side reflecting portion toward the light exiting side. The projected reflecting portions include base-side projected sections that are angled relative to the bottom-side reflecting portion with an angle larger than an angle of distal end-side projected sections of the projected reflecting portions relative to the bottom-side reflecting portion.
    Type: Application
    Filed: December 1, 2016
    Publication date: August 16, 2018
    Inventor: TAKAHARU SHIMIZU
  • Publication number: 20180188610
    Abstract: A liquid crystal display device includes a backlight unit, a control circuit board, and a liquid crystal panel including pixel portions. The backlight unit is configured such that an amount of emitting light rays in a first color included in light rays in different colors is larger when an amount of emitting light rays in each color required to obtain reference white light is defined as a reference amount. The control circuit board is configured to perform control such that a gray level of red pixel portions is lower than gray levels of the pixel portions configured to exhibit other colors during white display, the gray levels of the pixel portions during red display are lower than the gray levels thereof during the white display, and the gray level of the red pixel portions during the red display is higher than the gray level thereof during the white display.
    Type: Application
    Filed: June 28, 2016
    Publication date: July 5, 2018
    Inventor: TAKAHARU SHIMIZU
  • Publication number: 20180095329
    Abstract: A backlight unit 12 (a lighting device) includes LEDs 17 (a light source), a light guide plate 19, and a wavelength converter 20. The light guide plate 19 includes a light entering end surface 19b through which light rays from the LEDs 17 enter and a light exiting plate surface 19a through which the light rays exit. The light entering end surface 19b is at least a section of a peripheral surface of the light guide plate 19. The light exiting plate surface 19a is any one of plate surfaces of the light guide plate 19. The wavelength converter 20 contains phosphors for converting wavelengths of the light rays from the LEDs 17. The wavelength converter 20 is integrally provided with the light guide plate 19 with direct contact with the light entering end surface 19b and disposed between the LEDs 17 and the light entering end surface 19b.
    Type: Application
    Filed: April 19, 2016
    Publication date: April 5, 2018
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Takaharu SHIMIZU
  • Publication number: 20180045877
    Abstract: An illumination device according to an aspect of the present disclosure is provided with a dish-shaped accommodating body, a plurality of light source substrates on each of which a light source is mounted on one face, and which are aligned on an inner face of a base wall of the accommodating body, a reflecting sheet which covers the one face, and the inner face of the accommodating body, and reflects light, and a power supply unit, the illumination device including a connector which is provided on the one face; a power feeding member which is formed of a flexible printed board, disposed between the base wall and the reflecting sheet, and feeds power from the power supply unit to the light source substrate; and a light source connecting portion which is provided in the power feeding member, and is electrically connected to the connector.
    Type: Application
    Filed: March 11, 2016
    Publication date: February 15, 2018
    Inventor: Takaharu SHIMIZU
  • Publication number: 20180046031
    Abstract: A lighting device includes a light source, a light guide plate, a reflection member, a wavelength converting member, and a complementary color member. The light source is configured to emit primary light rays. The light guide plate includes a light entering surface, a light exiting surface, and an opposite surface disposed opposite from the light exiting surface. The reflection member covers the opposite surface. The wavelength converting member contains phosphors that emit secondary light rays in a wavelength range different from the wavelength range when excited by the primary light rays. The wavelength converting member is configured to pass some of the primary light rays and disposed to cover a space between the light source and a light entering end or cover the light entering end. The complementary color member exhibits a color that makes a complementary color pair with a reference color exhibited by the primary light rays.
    Type: Application
    Filed: March 8, 2016
    Publication date: February 15, 2018
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Kentaro KAMADA, Akira GOTOU, Keitaro MATSUI, Masanobu HARADA, Takaharu SHIMIZU
  • Publication number: 20180036997
    Abstract: A laminated type optical sheet 22 used in a liquid crystal display device 10 that is configured to display an image based on display pixels 11PX that are arranged in a matrix. The laminated type optical sheet 22 includes a prism sheet 23, a micro lens sheet 24, and spacers 25. The micro lens sheet 24 is disposed on a light entering side relative to the prism sheet 23 with a gap between the prism sheet 23 and the micro lens sheet 24 to overlap the prism sheet 23. The spacers 25 are provided between the prism sheet 23 and the micro lens sheet 24 to hold the gap between the prism sheet 23 and the micro lens sheet 24 to form an air layer 25AR. The spacers 25 are formed in linear shapes along a plate surface of the micro lens sheet 24. The spacers 25 are oriented with axes 25AX of the spacers 25 are tilted relative to an arrangement direction of the display pixels 11PX.
    Type: Application
    Filed: February 24, 2016
    Publication date: February 8, 2018
    Applicant: Sharp Kabushiki Kaisha
    Inventor: Takaharu SHIMIZU
  • Patent number: 9683471
    Abstract: An exhaust emission control device including a selective reduction catalyst; urea water as reducing agent being added in the pipe upstream of the reduction catalyst depurate NOx through reduction; an oxidation catalyst arranged in the pipe upstream of an added position of the urea water, the oxidation catalyst physically adsorbing NOx in the exhaust gas at a temperature lower than a lower active limit temperature of the reduction catalyst and discharging the adsorbed NOx at a temperature higher than a lower active limit temperature of the oxidation catalyst; and a fuel injection device for adding fuel into the exhaust gas upstream of the oxidation catalyst is disclosed. The start of the fuel addition by the fuel injection device is refrained until exhaust temperature on an inlet side of the reduction catalyst is increased to a preset temperature comparable with the lower active limit temperature of the oxidation catalyst.
    Type: Grant
    Filed: July 4, 2008
    Date of Patent: June 20, 2017
    Assignees: HINO MOTORS, LTD., TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Masahiko Yabe, Haruyuki Yokota, Takaharu Shimizu, Hiroyuki Ninomiya, Shinya Sato, Takahiko Hayashi, Shunsuke Toshioka, Satoshi Watanabe, Tomihisa Oda, Yutaka Tanai
  • Patent number: 9684109
    Abstract: A light guide plate having a rectangular plate-like shape includes a light entrance surface, a light exit surface, an opposite plate surface, and a light reflection pattern. The light entrance surface is a peripheral surface. The light exit surface is a plate surface. The opposite plate surface is opposite from the light exit surface. The light reflection pattern includes light reflection portions having distribution densities different from section to section of the opposite plate surface. The distribution densities are defined such that a difference between the distribution density in a section in the middle row and each end column and the distribution density in a section in the middle row and the middle column is larger than a difference between the distribution density in a section in the end row and each end column and the distribution density in the section in the end row and the middle column.
    Type: Grant
    Filed: June 23, 2015
    Date of Patent: June 20, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Takaharu Shimizu
  • Patent number: 9684112
    Abstract: A backlight device includes an LED, a light guide plate having one edge surface as a light entrance surface, one plate surface as a light exit surface and another plate surface as an opposite plate surface, further includes a chassis having a bottom plate portion that includes a light guide plate support portion supporting the light guide plate from a side of the opposite plate surface and a light guide plate non-support portion not supporting the light guide plate from the side of the opposite plate surface, and further includes a reflection sheet having an extended reflection portion that extends closer to the LED than the light entrance surface of the light guide plate and having a cutout portion that is formed by cutting out at least a part of a portion of the extended reflection portion overlapping with the light guide plate non-support portion.
    Type: Grant
    Filed: June 27, 2014
    Date of Patent: June 20, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Takaharu Shimizu
  • Patent number: 9583046
    Abstract: A backlight unit 12 includes a light guide plate 16, first LEDs 17A, second LEDs 17B, first support members 28, and second support members 29. The first LEDs 17A are opposed to a first light entrance surface 16nA that is a first edge surface 16E1 of the light guide plate 16. The second LEDs 17B are opposed to a second light entrance surface 16bB that is a second edge surface 16E2 of the light guide plate 16. The second LEDs 17B are arranged to be away from the second light entrance surface 16bB with a distance B relatively greater than a distance A between the first LEDs 17A and the first light entrance surface 16bA. The first support members 28 are in contact with the first edge surface 16E1 of the light guide plate 16 to support the light guide plate 16 from a first LED 17A side. The second support members 29 are arranged on a same side as the second LEDs 17B with respect to the light guide plate 16 to be away from the light guide plate 16.
    Type: Grant
    Filed: July 19, 2013
    Date of Patent: February 28, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Takaharu Shimizu
  • Patent number: 9541259
    Abstract: An illumination device (1) includes: a plurality of LEDs (5) that are the light sources, the LEDs being arranged in a row in a circular shape; and a diffusion lens (6) disposed on the light-emitting side of the LEDs (5) in order to diffuse light emitted by the LEDs (5), the diffusion lens (6) being disposed so as to follow an arrangement direction of the LEDs (5) to cover these LEDs. The degree of light diffusion of the diffusion lens (6) towards the direction forming a right angle with the arrangement direction of the plurality of LEDs (5) is larger than the degree of light diffusion towards the arrangement direction of the plurality of LEDs (5).
    Type: Grant
    Filed: January 30, 2013
    Date of Patent: January 10, 2017
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Takaharu Shimizu