Patents by Inventor Shigeru Aomori

Shigeru Aomori 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: 20230003994
    Abstract: A wavelength conversion element is provided that has excellent thermal conductance and high luminous efficiency. The wavelength conversion element includes: a binder; a plurality of phosphor particles dispersed in the binder, the plurality of phosphor particles being configured to emit light with a prescribed wavelength under excitation light; and a plurality of voids dispersed in the binder, at least some of the plurality of voids including, on at least a part of an inner wall thereof, a first coating film formed from metal alkoxide.
    Type: Application
    Filed: October 6, 2020
    Publication date: January 5, 2023
    Inventors: TORU KANNO, SHIGERU AOMORI, HIDEOMI YUI, TOMOKO UEKI
  • Patent number: 11506360
    Abstract: Provided is compatibility between adhesion to a substrate (lower layer) and durability improvement. An optical element includes a phosphor layer facing a lower layer, and a bonding layer keeping the phosphor layer in intimate contact with the lower layer. The phosphor layer includes an inorganic binder, and phosphor particle dispersed with the inorganic binder. The bonding layer includes an organic binder. The phosphor layer has a first surface facing the lower layer, a second surface opposite to the first surface, and a side surface connecting the first and second surfaces together. The bonding layer connects together the second surface, the side surface, and a surface of the lower layer to keep the phosphor layer in intimate contact with the lower layer.
    Type: Grant
    Filed: October 17, 2019
    Date of Patent: November 22, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hideomi Yui, Shigeru Aomori, Tsuyoshi Kamada, Hidetsugu Matsukiyo, Toru Kanno, Hirokazu Ichinose
  • Publication number: 20220344610
    Abstract: A display device includes a plurality of pixels. Each of the plurality of pixels includes a first electrode, a second electrode, a light-emitting layer provided between the first electrode and the second electrode, a first charge transport layer provided between the first electrode and the light-emitting layer, and a second charge transport layer provided between the second electrode and the light-emitting layer. The first charge transport layer includes a first charge transport material and a first nanofiber.
    Type: Application
    Filed: September 20, 2019
    Publication date: October 27, 2022
    Inventors: YASUSHI ASAOKA, SHIGERU AOMORI
  • Publication number: 20220344611
    Abstract: A display device includes a first electrode, a second electrode, a light-emitting layer provided between the first electrode and the second electrode, and a charge transport layer provided between the first electrode and the second electrode and containing a charge transport material configured to transport a charge to the light-emitting layer. At least one layer of the light-emitting layer and the charge transport layer is a function layer including a nanofiber and a photosensitive material.
    Type: Application
    Filed: September 20, 2019
    Publication date: October 27, 2022
    Inventors: YASUSHI ASAOKA, SHIGERU AOMORI, TSUYOSHI KAMADA
  • Publication number: 20220344412
    Abstract: A light-emitting device includes a light-emitting layer that includes, in each of a plurality of pixels: a light-emitting region in which a drive current flows between a first electrode and a second electrode; and a non-light-emitting region in which no drive current flows between the first electrode and the second electrode. The light-emitting region is divided into a plurality of subregions by a non-light-emitting region in a plan view.
    Type: Application
    Filed: October 21, 2019
    Publication date: October 27, 2022
    Inventors: SHIGERU AOMORI, TSUYOSHI KAMADA, YASUSHI ASAOKA
  • Publication number: 20220173181
    Abstract: Provided is a display element according to an aspect of the disclosure including a flattening film and, on the flattening film, a plurality of banks each having a linear shape, a plurality of active layers each having a linear shape and formed between adjacent banks, and an upper transparent electrode formed on each of the plurality of active layers. A cut line having a locally reduced height with reference to the flattening film is formed in each the plurality of banks, and the upper transparent electrode formed on one of the adjacent active layers and the upper transparent electrode formed on the other of the adjacent active layers are electrically connected via a conductive electrode formed in the cut line.
    Type: Application
    Filed: March 28, 2019
    Publication date: June 2, 2022
    Inventors: Sentaro KIDA, SHIGERU AOMORI, TSUYOSHI KAMADA, YASUSHI ASAOKA, JUN SAKUMA
  • Publication number: 20220170613
    Abstract: An optical element includes: a phosphor layer excited by excitation light emitted from a light source, and emitting fluorescence; a translucent thermal-conductive layer formed on a face of the phosphor layer that is irradiated with the excitation light; and a non-translucent thermal-conductive layer formed on a face of the phosphor layer that is across from the face irradiated with the excitation light. The translucent thermal-conductive layer has a thermal conductivity higher than, or equal to, a thermal conductivity of the phosphor layer.
    Type: Application
    Filed: March 10, 2020
    Publication date: June 2, 2022
    Inventors: TOMOKO UEKI, SHIGERU AOMORI, HIDETSUGU MATSUKIYO
  • Patent number: 11309509
    Abstract: A display device is provided with a light-emitting element layer including an anode electrode, a cathode electrode, and a quantum dot light-emitting layer sandwiched between the anode electrode and the cathode electrode, wherein the quantum dot light-emitting layer includes at least quantum dots and nanofibers. A method for manufacturing a display device includes forming a quantum dot light-emitting layer by applying a colloidal solution including at least quantum dots and nanofibers by ink-jet.
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: April 19, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Yasushi Asaoka, Shigeru Aomori
  • Publication number: 20210372593
    Abstract: Provided is compatibility between adhesion to a substrate (lower layer) and durability improvement. An optical element includes a phosphor layer facing a lower layer, and a bonding layer keeping the phosphor layer in intimate contact with the lower layer. The phosphor layer includes an inorganic binder, and phosphor particle dispersed with the inorganic binder. The bonding layer includes an organic binder. The phosphor layer has a first surface facing the lower layer, a second surface opposite to the first surface, and a side surface connecting the first and second surfaces together. The bonding layer connects together the second surface, the side surface, and a surface of the lower layer to keep the phosphor layer in intimate contact with the lower layer.
    Type: Application
    Filed: October 17, 2019
    Publication date: December 2, 2021
    Inventors: HIDEOMI YUI, SHIGERU AOMORI, TSUYOSHI KAMADA, HIDETSUGU MATSUKIYO, TORU KANNO, HIROKAZU ICHINOSE
  • Publication number: 20210359028
    Abstract: A display device according to an aspect of the disclosure includes: a first subpixel including a first pixel electrode, a second subpixel adjacent to the first subpixel and including a second pixel electrode, and a third subpixel adjacent to the first subpixel and including a third pixel electrode, a first light-emitting layer overlapping the entire first pixel electrode, a second light-emitting layer overlapping the entire second pixel electrode, and a third light-emitting layer overlapping the entire third pixel electrode, wherein an entire circumference of a peripheral edge portion of the first pixel electrode overlaps the first light-emitting layer and at least one of the second light-emitting layer and the third light-emitting layer.
    Type: Application
    Filed: September 7, 2018
    Publication date: November 18, 2021
    Inventors: YASUSHI ASAOKA, SHIGERU AOMORI
  • Publication number: 20210351244
    Abstract: A light-emitting element includes: pixel electrodes provided for individual subpixels of at least three colors; a common electrode provided facing each of the pixel electrodes; and light-emitting layers of each color provided between the common electrode and, respectively, each of the pixel electrodes, wherein one of each of the pixel electrodes and the common electrode is a cathode electrode and the other is an anode electrode and among the light-emitting layers of the at least three colors, a light-emitting layer of a color having a largest electron affinity extends in a state of being layered between the cathode electrode and each light-emitting layer of the other colors as well.
    Type: Application
    Filed: September 21, 2018
    Publication date: November 11, 2021
    Inventors: YASUSHI ASAOKA, TSUYOSHI KAMADA, SHIGERU AOMORI
  • Publication number: 20210222849
    Abstract: Energy density of excitation light for irradiation is adjusted to achieve an improvement in fluorescent light emission intensity. An optical element includes a phosphor layer configured to emit fluorescent light by being excited by excitation light emitted from a light source, the phosphor layer has a first surface to be irradiated with the excitation light, an excitation light irradiation region of the first surface includes a first region and a second region, the first region is processed beforehand to be set at an angle that is not perpendicular to a propagation direction of the excitation light, and the first region and the second region are non-parallel to each other.
    Type: Application
    Filed: May 31, 2019
    Publication date: July 22, 2021
    Inventors: HIDEOMI YUI, SHIGERU AOMORI, MUTSUKO YAMAMOTO, TORU KANNO, TOMOKO UEKI
  • Publication number: 20210225995
    Abstract: A device includes an organic insulating film having a contact hole in which an inclined face is formed, a pixel electrode formed along an inclined face of the contact hole and the organic insulating film, an intra-pixel wiring line coupling the pixel electrode to a TFT within the contact hole, a light-emitting layer formed on the organic insulating film to cover the pixel electrode, a light-emitting layer formed to overlap the light-emitting layer at least in the inclined face of the contact hole, and a common electrode formed on the light-emitting layer correspondingly to the pixel electrode.
    Type: Application
    Filed: September 7, 2018
    Publication date: July 22, 2021
    Inventors: YASUSHI ASAOKA, SHIGERU AOMORI
  • Publication number: 20210210660
    Abstract: A wavelength conversion element having improved fluorescent light emission intensity is achieved by controlling the increase in the temperature of the fluorescent layer. The wavelength conversion element includes a fluorescent layer in which phosphor particles are dispersed in a binder, the fluorescent layer including a first region and a second region, the first region being configured to be at a more elevated temperature than the second region due to an effect of excitation light, wherein the phosphor particles are constituted of a phosphor doped with a central light emitting element, and at least one of a concentration of the central light emitting element, a size of the phosphor particles, and a volume ratio of the phosphor particles with respect to the binder is configured to change from the first region to the second region of the fluorescent layer.
    Type: Application
    Filed: May 31, 2019
    Publication date: July 8, 2021
    Inventors: TORU KANNO, SHIGERU AOMORI, HIDETSUGU MATSUKIYO
  • Patent number: 10989996
    Abstract: A light source device that radiates excitation light or emitted light by the excitation light, includes: an excitation light source that radiates the excitation light; a fluorescent wheel that includes a phosphor, which emits light in a predetermined wavelength range on reception of the excitation light, in a circumferential direction; a driving device that rotates the fluorescent wheel; and a shielding member that is arranged around the excitation light source and the fluorescent wheel and shields the excitation light and the emitted light, wherein an opening through which outside air is introduced is provided at a part of the shielding member.
    Type: Grant
    Filed: November 9, 2018
    Date of Patent: April 27, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Hideomi Yui, Shigeru Aomori, Hidetsugu Matsukiyo
  • Patent number: 10920139
    Abstract: A phosphor layer composition, phosphor member, light source device, and projection device are provided that are capable of restraining reflection or scattering at interfaces between phosphor particles and a binder to improve the excitation-light absorption by, and the external quantum efficiency of, the phosphor particles. The present invention, in an aspect thereof, is directed to a phosphor layer composition including: phosphor particles 111 absorbing excitation light and emitting prescribed fluorescence; and a binder 112 composed of a translucent gel containing a metal alkoxide or a mixture of a metal alkoxide and a metal oxide, wherein the phosphor particles 111 are dispersed in the binder 112, and the phosphor particles 111 and the binder 112 differ in refractive index by 0.3 or less.
    Type: Grant
    Filed: June 22, 2018
    Date of Patent: February 16, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shigeru Aomori, Hideomi Yui, Mutsuko Yamamoto, Hidetsugu Matsukiyo
  • Publication number: 20210036253
    Abstract: A display device is provided with a light-emitting element layer including an anode electrode, a cathode electrode, and a quantum dot light-emitting layer sandwiched between the anode electrode and the cathode electrode, wherein the quantum dot light-emitting layer includes at least quantum dots and nanofibers. A method for manufacturing a display device includes forming a quantum dot light-emitting layer by applying a colloidal solution including at least quantum dots and nanofibers by ink-jet.
    Type: Application
    Filed: March 22, 2018
    Publication date: February 4, 2021
    Inventors: Yasushi ASAOKA, Shigeru AOMORI
  • Publication number: 20200355992
    Abstract: A light source device that radiates excitation light or emitted light by the excitation light, includes: an excitation light source that radiates the excitation light; a fluorescent wheel that includes a phosphor, which emits light in a predetermined wavelength range on reception of the excitation light, in a circumferential direction; a driving device that rotates the fluorescent wheel; and a shielding member that is arranged around the excitation light source and the fluorescent wheel and shields the excitation light and the emitted light, wherein an opening through which outside air is introduced is provided at a part of the shielding member.
    Type: Application
    Filed: November 9, 2018
    Publication date: November 12, 2020
    Inventors: HIDEOMI YUI, SHIGERU AOMORI, HIDETSUGU MATSUKIYO
  • Publication number: 20200239770
    Abstract: A phosphor layer composition, phosphor member, light source device, and projection device are provided that are capable of restraining reflection or scattering at interfaces between phosphor particles and a binder to improve the excitation-light absorption by, and the external quantum efficiency of, the phosphor particles. The present invention, in an aspect thereof, is directed to a phosphor layer composition including: phosphor particles 111 absorbing excitation light and emitting prescribed fluorescence; and a binder 112 composed of a translucent gel containing a metal alkoxide or a mixture of a metal alkoxide and a metal oxide, wherein the phosphor particles 111 are dispersed in the binder 112, and the phosphor particles 111 and the binder 112 differ in refractive index by 0.3 or less.
    Type: Application
    Filed: June 22, 2018
    Publication date: July 30, 2020
    Inventors: SHIGERU AOMORI, HIDEOMI YUI, MUTSUKO YAMAMOTO, HIDETSUGU MATSUKIYO
  • Publication number: 20190317349
    Abstract: A liquid crystal composition contains liquid crystal molecules. The liquid crystal molecules include 17 mol % or more of first liquid crystal molecules represented by the following formula with respect to the whole liquid crystal molecules: R1—R2x—R3—R4y—R5??(A) (where R1 and R5 are linear alkyl groups containing 1 to 8 carbon atoms; R2 and R4 are trans-1,4-cyclohexylene groups or 1,4-phenylene groups; R3 is a trans-1,4-cyclohexylene group, a 1,4-phenylene group, a 2,3-difluoro-trans-1,4-cyclohexylene group, a 2,3-difluoro-1,4-phenylene group, a 2,3-dichloro-trans-1,4-cyclohexylene group, or a 2,3-dichloro-1,4-phenylene group; x is an integer of 0 to 3; and y is an integer of 0 to 3).
    Type: Application
    Filed: June 29, 2017
    Publication date: October 17, 2019
    Inventors: MASAKAZU KAMURA, JUN SAKUMA, SHIGERU AOMORI, KATSUMI KONDOH