Patents by Inventor Eiji Satoh

Eiji Satoh 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: 20240349571
    Abstract: This display device includes a first electrode and a second electrode overlapping each other in a plan view, a light-emitting layer containing quantum dots and overlapping the first electrode and the second electrode in a plan view, a third electrode capable of forming an electrical field between the second electrode and third electrode, and an optical adjustment element overlapping the light-emitting layer in a plan view and having light transmittance that changes in accordance with a potential difference between the second electrode and the third electrode.
    Type: Application
    Filed: January 22, 2021
    Publication date: October 17, 2024
    Inventors: TAZUKO KITAZAWA, YOSHIHIRO UETA, EIJI SATOH, Zenken KIN
  • Publication number: 20240103323
    Abstract: A display device includes: a light-emitting element including a first electrode and a second electrode overlapping each other in a plan view, and a light-emitting layer placed between the first electrode and the second electrode; a third electrode capable of forming an electrical field between the second electrode and the third electrode; and an optical adjustment element overlapping the light-emitting layer in a plan view and having light transmittance that changes in accordance with a potential difference between the second electrode and the third electrode.
    Type: Application
    Filed: January 22, 2021
    Publication date: March 28, 2024
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: TAZUKO KITAZAWA, YOSHIHIRO UETA, EIJI SATOH
  • Publication number: 20240069399
    Abstract: A display device includes: a TFT substrate including a thin film transistor; a light-emitting element including a first electrode and a second electrode overlapping each other in a plan view, and a light-emitting layer placed between the first electrode and the second electrode; a third electrode capable of forming an electrical field between the second electrode and the third electrode; an optical adjustment element overlapping the light-emitting layer in a plan view and having an optical characteristic that changes in accordance with a potential difference between the second electrode and the third electrode; and light scattering bodies included in at least one of the TFT substrate, the light-emitting element, and the optical adjustment element.
    Type: Application
    Filed: January 22, 2021
    Publication date: February 29, 2024
    Inventors: TAZUKO KITAZAWA, YOSHIHIRO UETA, EIJI SATOH, Zenken KIN
  • Publication number: 20230159356
    Abstract: A pretreatment method is provided for efficiently recovering a solvent from a raw material mixture comprising water, the solvent and a polymer dissolved and/or dispersed therein. The pretreatment method includes a step of subjecting the raw material mixture 12 to an ultrafiltration treatment 16, 18 to filter out the polymer so as to obtain a filtrate 36 of which polymer content is reduced.
    Type: Application
    Filed: April 20, 2021
    Publication date: May 25, 2023
    Inventors: Michihito HIWATARI, Eiji SATOH
  • Publication number: 20220328779
    Abstract: A light-emitting device includes a light-emitting layer containing: quantum dots serving as light emitters; and dummy flakes not involved in emitting light. The quantum dots are localized. Thanks to such features, light generated from the quantum dots is diffracted in the light-emitting layer, directed in a normal direction that is a thickness direction of an array substrate, and emitted out of the light-emitting device.
    Type: Application
    Filed: September 19, 2019
    Publication date: October 13, 2022
    Inventors: EIJI SATOH, YOSHIHIRO UETA
  • Patent number: 10649298
    Abstract: An electrochromic device having excellent repetitive characteristics is realized. An electrochromic device includes a first transparent electrode arranged on a first substrate, a second transparent electrode arranged on a second substrate, and a nanocrystal layer arranged on the first transparent electrode. An electrolyte is interposed between the nanocrystal layer and the second transparent electrode. The first transparent electrode, the second transparent electrode, and the nanocrystal layer do not cause an oxidation-reduction reaction when a voltage is applied to modulate a transmission spectrum, and do not include an electrode that causes modulation of a transmission spectrum by an oxidation-reduction reaction when a voltage is applied.
    Type: Grant
    Filed: December 12, 2016
    Date of Patent: May 12, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Eiji Satoh, Nobuyuki Ito
  • Patent number: 10508487
    Abstract: A light adjustment system is, for example, a light adjustment window (1) including: a windowpane (11); a light adjustment device (40); a drive device (50); and a frame (20) having an incorporating (24) into which the windowpane (11) and the drive device (50) are incorporated. A part of the frame (20) includes: a containing section (26) that contains at least a part of the drive device (50); and an opening and closing section (27) that openably and closably covers the containing section (26).
    Type: Grant
    Filed: May 6, 2016
    Date of Patent: December 17, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Eiji Satoh, Nobuyuki Ito, Yufeng Weng
  • Patent number: 10372009
    Abstract: The optical device (100) includes a first substrate (10), a second substrate (20), and an optical layer (30). The first substrate includes a first electrode (11) and a second electrode (12) configured to be provided with mutually different electrical potentials within a pixel. The optical layer may include a medium (31) and a plurality of shape-anisotropic particles (32) dispersed in the medium. At least one of the first electrode and the second electrode may include a plurality of comb teeth portions (11a, 12a) arranged at predetermined intervals along the first direction (D1). When an electric potential difference is applied between the first electrode and the second electrode, the pixel may be configured to have an electrical field distribution in which a strong electric field region having a stronger field intensity than another region is periodically formed parallel to the surface of the optical layer along a second direction (D2) orthogonal to the first direction.
    Type: Grant
    Filed: August 9, 2016
    Date of Patent: August 6, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tomoko Teranishi, Hiroyuki Moriwaki, Eiji Satoh, Tadashi Ohtake, Hidefumi Yoshida, Satoshi Matsumura
  • Publication number: 20190155123
    Abstract: A transmittance of light is adjusted by more various operation modes compared to the related art. In a dimming device, in a case where an AC voltage having a first frequency and an amplitude equal to or greater than a first amplitude is applied, the transmittance of light in the first wavelength range is higher than that in a case where a flake is oriented in a direction shielding the light, and in a case where an AC voltage having a second frequency and an amplitude equal to or greater than a second amplitude is applied, the transmittance of light in the second wavelength range is higher than that in a case where a flake is oriented in a direction shielding the light. Here, the second amplitude is equal to or greater than the first amplitude.
    Type: Application
    Filed: April 27, 2017
    Publication date: May 23, 2019
    Inventors: Nobuyuki ITO, Eiji SATOH
  • Publication number: 20190049808
    Abstract: An electrochromic device having excellent repetitive characteristics is realized. An electrochromic device includes a first transparent electrode arranged on a first substrate, a second transparent electrode arranged on a second substrate, and a nanocrystal layer arranged on the first transparent electrode. An electrolyte is interposed between the nanocrystal layer and the second transparent electrode. The first transparent electrode, the second transparent electrode, and the nanocrystal layer do not cause an oxidation-reduction reaction when a voltage is applied to modulate a transmission spectrum, and do not include an electrode that causes modulation of a transmission spectrum by an oxidation-reduction reaction when a voltage is applied.
    Type: Application
    Filed: December 12, 2016
    Publication date: February 14, 2019
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: EIJI SATOH, NOBUYUKI ITO
  • Patent number: 10197856
    Abstract: The present invention provides an optical modulator that prevents aggregation of shape-anisotropic particles. The optical modulator of the present invention includes: (1) a first substrate and a second substrate that are disposed to face each other; (2) an optical modulation layer disposed between the first substrate and the second substrate; and (3) a vertical alignment film. The optical modulation layer (2) contains: (2A) liquid crystal molecules that have a positive anisotropy of dielectric constant with a value of the anisotropy ?? of 10 or more; and (2B) shape-anisotropic particles each including a core material and a coating layer that is formed of a material containing a fluorine atom and constitutes an outer surface of the shape-anisotropic particles. The first substrate includes a pair of electrodes.
    Type: Grant
    Filed: March 28, 2016
    Date of Patent: February 5, 2019
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Tadashi Ohtake, Tomoko Teranishi, Hiroyuki Moriwaki, Eiji Satoh, Hao Li
  • Publication number: 20190004389
    Abstract: Provided is a light reflective material that enables stable switching between light transmission and light reflection when used in a light control device. A light reflective material includes a base, a conducting film that is stacked on the surface of the base, and an insulating film that is stacked on the surface of the conducting film. A first region where the conducting film is not formed is present in a layer where the conducting film lies. A second region where the insulating film is not formed is present in a layer where the insulating film lies. The first region and the second region at least partially overlap each other.
    Type: Application
    Filed: August 24, 2016
    Publication date: January 3, 2019
    Applicant: SHARP KABUSHIKI KAISHA
    Inventors: NOBUYUKI ITO, EIJI SATOH, YUFENG WENG
  • Publication number: 20180239211
    Abstract: The optical device (100) includes a first substrate (10), a second substrate (20), and an optical layer (30). The first substrate includes a first electrode (11) and a second electrode (12) configured to be provided with mutually different electrical potentials within a pixel. The optical layer may include a medium (31) and a plurality of shape-anisotropic particles (32) dispersed in the medium. At least one of the first electrode and the second electrode may include a plurality of comb teeth portions (11a, 12a) arranged at predetermined intervals along the first direction (D1). When an electric potential difference is applied between the first electrode and the second electrode, the pixel may be configured to have an electrical field distribution in which a strong electric field region having a stronger field intensity than another region is periodically formed parallel to the surface of the optical layer along a second direction (D2) orthogonal to the first direction.
    Type: Application
    Filed: August 9, 2016
    Publication date: August 23, 2018
    Inventors: TOMOKO TERANISHI, HIROYUKI MORIWAKI, EIJI SATOH, TADASHI OHTAKE, HIDEFUMI YOSHIDA, SATOSHI MATSUMURA
  • Publication number: 20180195340
    Abstract: A light adjustment system is, for example, a light adjustment window (1) including: a windowpane (11); a light adjustment device (40); a drive device (50); and a frame (20) having an incorporating (24) into which the windowpane (11) and the drive device (50) are incorporated. A part of the frame (20) includes: a containing section (26) that contains at least a part of the drive device (50); and an opening and closing section (27) that openably and closably covers the containing section (26).
    Type: Application
    Filed: May 6, 2016
    Publication date: July 12, 2018
    Inventors: EIJI SATOH, NOBUYUKI ITO, YUFENG WENG
  • Publication number: 20180129086
    Abstract: The present invention provides an optical modulator that prevents aggregation of shape-anisotropic particles. The optical modulator of the present invention includes: (1) a first substrate and a second substrate that are disposed to face each other; (2) an optical modulation layer disposed between the first substrate and the second substrate; and (3) a vertical alignment film. The optical modulation layer (2) contains: (2A) liquid crystal molecules that have a positive anisotropy of dielectric constant with a value of the anisotropy ?? of 10 or more; and (2B) shape-anisotropic particles each including a core material and a coating layer that is formed of a material containing a fluorine atom and constitutes an outer surface of the shape-anisotropic particles. The first substrate includes a pair of electrodes.
    Type: Application
    Filed: March 28, 2016
    Publication date: May 10, 2018
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Tadashi OHTAKE, Tomoko TERANISHI, Hiroyuki MORIWAKI, Eiji SATOH, Hao LI
  • Patent number: 9726958
    Abstract: The present invention provides a display panel and a display device which can increase light use efficiency with a simple configuration. An optical modulation layer 30 provided between substrates 10 and 20 contains a polar solvent 31a, a nonpolar solvent 31b, and hydrophilic shape-anisotropic members 32, the hydrophilic substrate 20 makes contact with the polar solvent 31a, the hydrophobic substrate 10 makes contact with the nonpolar solvent 31b, a projected area of the shape-anisotropic members 32 onto the substrates 10 and 20 is changed by adjusting a magnitude of a voltage to be applied to the optical modulation layer 30.
    Type: Grant
    Filed: February 26, 2013
    Date of Patent: August 8, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Eiji Satoh, Kohzoh Nakamura, Hisashi Watanabe, Takahiro Nakahara
  • Patent number: 9653037
    Abstract: An optical device (100) includes a first substrate (10) and a second substrate (20), and an optical layer (30) interposed therebetween. The first substrate includes a first electrode (11) and a second electrode (12), and the second substrate includes a third electrode (21). The optical layer contains a medium (31) and anisotropically-shaped particles (32) whose alignment direction changes in accordance with the direction of an electric field applied to the optical layer. The first electrode and the second electrode, which are interdigitated electrodes, are disposed so that their respective branches (11a, 12a) mesh with one another via a predetermined interspace. The relationships w1<l, w2<l and g?l?w1+w2+g are satisfied, where w1 is the width of each branch of the first electrode, w2 is the width of each branch of the second electrode, g is the predetermined interspace, and l is the length of the anisotropically-shaped particles.
    Type: Grant
    Filed: October 7, 2013
    Date of Patent: May 16, 2017
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Takao Imaoku, Iori Aoyama, Tsuyoshi Inoue, Hiroyuki Moriwaki, Eiji Satoh
  • Patent number: 9519176
    Abstract: Cohesion of shape anisotropy members is prevented A display panel (2) in accordance with an aspect of the present invention includes: substrates (10) and (20) which are provided so as to face each other; and an optical modulation layer (30) including a plurality of shape anisotropy members (32) each of which includes (i) a core that is an electric conductor and (ii) a covering layer that is a dielectric and that covers an entire periphery of the core. The display panel (2) changes an area of each image of the plurality of shape anisotropy members (32) which image is projected on the substrates (10) and (20), by changing a voltage to be applied to the optical modulation layer (30).
    Type: Grant
    Filed: June 14, 2013
    Date of Patent: December 13, 2016
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Eiji Satoh
  • Patent number: 9507189
    Abstract: The present invention provides a display panel that exhibits increased light use efficiency and decreased occurrence of display anomalies. The display panel includes substrates; a light modulating layer that contains shape-anisotropic members that rotate according to the direction of an electric field and that controls the transmittance of incident light by changing the area projected onto the substrates by the shape-anisotropic members; and supporting members that support the shape-anisotropic members and are rotatably connected thereto.
    Type: Grant
    Filed: September 2, 2013
    Date of Patent: November 29, 2016
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Eiji Satoh, Takuma Tomotoshi, Tomoko Teranishi, Takahiro Nakahara
  • Publication number: 20160231637
    Abstract: An infrared dimming apparatus of the present invention includes an automatic control circuit that controls switching in a dimming cell between an infrared reflective state and an infrared transmissive state in accordance with a predetermined time schedule.
    Type: Application
    Filed: August 8, 2014
    Publication date: August 11, 2016
    Applicant: Sharp Kabushiki Kaisha
    Inventors: Eiji SATOH, Kiyoshi MINOURA, Tomoko TERANISHI, Takuma TOMOTOSHI