Patents by Inventor Takashige Fujimori

Takashige Fujimori 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: 11790836
    Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.
    Type: Grant
    Filed: June 24, 2022
    Date of Patent: October 17, 2023
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yong-Sang Kim, Daisuke Kawae, Junichi Yamashita, Takashige Fujimori, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
  • Publication number: 20220327995
    Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.
    Type: Application
    Filed: June 24, 2022
    Publication date: October 13, 2022
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho KIM, Yong-Sang KIM, Daisuke KAWAE, Junichi YAMASHITA, Takashige FUJIMORI, Donggun OH, Jongsu OH, Tetsuya SHIGETA
  • Patent number: 11398181
    Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.
    Type: Grant
    Filed: January 4, 2021
    Date of Patent: July 26, 2022
    Assignees: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho Kim, Yong-Sang Kim, Daisuke Kawae, Junichi Yamashita, Takashige Fujimori, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
  • Patent number: 11282443
    Abstract: A display apparatus includes a light emitting element; and a pixel circuit configured to drive the light emitting element. The pixel circuit may include a first capacitor configured to output a first voltage corresponding to an image signal; a first transistor having a control terminal connected to the first capacitor and to which the first voltage is applied, a first terminal to which a second voltage corresponding to a slope signal that changes over time is applied, and a second terminal configured to output an output signal based on a comparison between the first voltage and the second voltage; and a driving circuit configured to drive the light emitting element based on the output signal of the second terminal.
    Type: Grant
    Filed: November 24, 2020
    Date of Patent: March 22, 2022
    Assignee: SAMSUNG ELECTRONICS CO.. LTD.
    Inventors: Daisuke Kawae, Junichi Yamashita, Takashige Fujimori
  • Publication number: 20220068197
    Abstract: A display apparatus is provided. The display apparatus includes a light-emitting device and a driving circuit configured to drive the light-emitting device, and including a constant current output circuit and a pulse width modulation (PWM) control circuit. The PWM control circuit includes: a first transistor including a first source connected to an output node of the constant current output circuit, a first drain connected to an anode of the light-emitting device, and a first gate connected to a control node; a second transistor including a second source connected to a first input terminal, a second gate connected to a second input terminal, and a second drain connected to the control node; and a third transistor including a third source connected to the control node, a third drain connected to a third input terminal, and a third gate to which an emitting permission signal or a bias voltage is applied.
    Type: Application
    Filed: August 27, 2021
    Publication date: March 3, 2022
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daisuke KAWAE, Junichi Yamashita, Takashige Fujimori
  • Publication number: 20210264848
    Abstract: A display apparatus includes a light emitting element group including a plurality of light emitting elements, a pixel circuit configured to supply a reference voltage to the plurality of light emitting elements to allow a light emitting element, which emits light, in the light emitting element group, to be changed according to a plurality of sub-fields forming one field.
    Type: Application
    Filed: February 12, 2021
    Publication date: August 26, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Junichi YAMASHITA, Daisuke KAWAE, Takashige FUJIMORI
  • Publication number: 20210210003
    Abstract: A display module including a display panel comprising a plurality of pixels each comprising a plurality of sub pixels, the pixels being disposed on a plurality of row lines of the display panel and a driver. The driver being configured to apply a pulse width modulation (PWM) data voltage to the sub pixels in a sequential order of the row lines; and drive the display panel such that the sub pixels included in a plurality of consecutive row lines among the plurality of row lines emit light, in the sequential order of the row lines, for a time corresponding to the applied PWM data voltage.
    Type: Application
    Filed: January 4, 2021
    Publication date: July 8, 2021
    Applicants: SAMSUNG ELECTRONICS CO., LTD., RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Jinho KIM, Yong-Sang Kim, Daisuke Kawae, Junichi Yamashita, Takashige Fujimori, Donggun Oh, Jongsu Oh, Tetsuya Shigeta
  • Publication number: 20210158748
    Abstract: A display apparatus includes a light emitting element; and a pixel circuit configured to drive the light emitting element. The pixel circuit may include a first capacitor configured to output a first voltage corresponding to an image signal; a first transistor having a control terminal connected to the first capacitor and to which the first voltage is applied, a first terminal to which a second voltage corresponding to a slope signal that changes over time is applied, and a second terminal configured to output an output signal based on a comparison between the first voltage and the second voltage; and a driving circuit configured to drive the light emitting element based on the output signal of the second terminal.
    Type: Application
    Filed: November 24, 2020
    Publication date: May 27, 2021
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Daisuke KAWAE, Junichi YAMASHITA, Takashige FUJIMORI
  • Patent number: 10957722
    Abstract: A method of manufacturing a flexible device includes joining a first surface of a support substrate to a back surface of a flexible substrate, the first surface being opposite to a second surface of the support substrate; forming an element layer on a front surface of the flexible substrate; and performing multidirectional oblique irradiation of an interface and its vicinity between the support substrate and the flexible substrate with laser light from the second surface of the support substrate to detach the support substrate from the flexible substrate.
    Type: Grant
    Filed: May 23, 2017
    Date of Patent: March 23, 2021
    Assignee: JOLED INC.
    Inventors: Tomoatsu Kinoshita, Takashige Fujimori, Yuichi Kato
  • Patent number: 10916729
    Abstract: A light-emitting display device includes an element-formation substrate and a plurality of pixels. The element-formation substrate includes a first barrier film and a second barrier film provided on a substrate, the first barrier film and the second barrier film being provided in the stated order from the substrate and suppressing ingress of moisture. The plurality of pixels is provided on the element-formation substrate. The element-formation substrate further includes an organic part that fills a crack occurred in the first barrier film, or that is attached around a part of a metallic foreign substance protruding from the first barrier film.
    Type: Grant
    Filed: July 25, 2019
    Date of Patent: February 9, 2021
    Assignee: JOLED INC.
    Inventors: Takashige Fujimori, Yuichiro Ishiyama
  • Publication number: 20200035947
    Abstract: A light-emitting display device includes an element-formation substrate and a plurality of pixels. The element-formation substrate includes a first barrier film and a second barrier film provided on a substrate, the first barrier film and the second barrier film being provided in the stated order from the substrate and suppressing ingress of moisture. The plurality of pixels is provided on the element-formation substrate. The element-formation substrate further includes an organic part that fills a crack occurred in the first barrier film, or that is attached around a part of a metallic foreign substance protruding from the first barrier film.
    Type: Application
    Filed: July 25, 2019
    Publication date: January 30, 2020
    Applicant: JOLED INC.
    Inventors: Takashige FUJIMORI, Yuichiro ISHIYAMA
  • Patent number: 10283579
    Abstract: There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. The semiconductor element includes an electrode, and is provided on the electric field shielding layer with an insulating film in between.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: May 7, 2019
    Assignee: JOLED, Inc.
    Inventors: Yuichiro Ishiyama, Yuichi Kato, Tomoatsu Kinoshita, Takashige Fujimori, Kenta Masuda, Keiichi Akamatsu
  • Publication number: 20180151659
    Abstract: There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. The semiconductor element includes an electrode, and is provided on the electric field shielding layer with an insulating film in between.
    Type: Application
    Filed: January 26, 2018
    Publication date: May 31, 2018
    Applicant: JOLED INC.
    Inventors: Yuichiro Ishiyama, Yuichi Kato, Tomoatsu Kinoshita, Takashige Fujimori, Kenta Masuda, Keiichi Akamatsu
  • Patent number: 9935165
    Abstract: There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. The semiconductor element includes an electrode, and is provided on the electric field shielding layer with an insulating film in between.
    Type: Grant
    Filed: July 11, 2016
    Date of Patent: April 3, 2018
    Assignee: JOLED, INC.
    Inventors: Yuichiro Ishiyama, Yuichi Kato, Tomoatsu Kinoshita, Takashige Fujimori, Kenta Masuda, Keiichi Akamatsu
  • Publication number: 20170345849
    Abstract: A method of manufacturing a flexible device includes joining a first surface of a support substrate to a back surface of a flexible substrate, the first surface being opposite to a second surface of the support substrate; forming an element layer on a front surface of the flexible substrate; and performing multidirectional oblique irradiation of an interface and its vicinity between the support substrate and the flexible substrate with laser light from the second surface of the support substrate to detach the support substrate from the flexible substrate.
    Type: Application
    Filed: May 23, 2017
    Publication date: November 30, 2017
    Inventors: Tomoatsu KINOSHITA, Takashige FUJIMORI, Yuichi KATO
  • Publication number: 20170062541
    Abstract: There is provided a semiconductor device that includes a substrate, an electric field shielding layer, and a semiconductor element. The electric field shielding layer is provided on the substrate. The semiconductor element includes an electrode, and is provided on the electric field shielding layer with an insulating film in between.
    Type: Application
    Filed: July 11, 2016
    Publication date: March 2, 2017
    Applicant: JOLED INC.
    Inventors: Yuichiro Ishiyama, Yuichi Kato, Tomoatsu Kinoshita, Takashige Fujimori, Kenta Masuda, Keiichi Akamatsu
  • Patent number: 9178072
    Abstract: Provided is a thin film transistor capable of improving reliability in the thin film transistor including an oxide semiconductor layer. A thin film transistor including: a gate electrode; a gate insulating film formed on the gate electrode; an oxide semiconductor layer forming a channel region corresponding to the gate electrode on the gate insulating film; a channel protective film formed at least in a region corresponding to the channel region on the oxide semiconductor layer; and a source/drain electrode. A top face and a side face of the oxide semiconductor layer are covered with the source/drain electrode and the channel protective layer on the gate insulating film.
    Type: Grant
    Filed: October 31, 2012
    Date of Patent: November 3, 2015
    Assignee: JOLED INC.
    Inventors: Narihiro Morosawa, Takashige Fujimori
  • Patent number: 9054204
    Abstract: There are provided a thin-film transistor suppressing influence of light and having stable characteristics, and a method of manufacturing the thin-film transistor, as well as a display unit and an electronic apparatus. The thin-film transistor includes: a gate electrode; an oxide semiconductor film having a channel region that faces the gate electrode; and a protective film covering at least the channel region and containing an aluminum lower oxide (AlXOY, where 0<Y/X<3/2) that absorbs light.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: June 9, 2015
    Assignee: Sony Corporation
    Inventors: Yoshihiro Oshima, Takashige Fujimori, Yasunobu Hiromasu, Yasuhiro Terai
  • Patent number: 8981368
    Abstract: A thin film transistor includes: a gate electrode, a source electrode, and a drain electrode; an oxide semiconductor layer provided on one side of the gate electrode with an insulating film in between, the oxide semiconductor layer being provided in a region not facing the source electrode and the drain electrode and being electrically connected to the source electrode and the drain electrode; and a low resistance oxide layer provided in a region facing the source electrode and in a region facing the drain electrode, the regions being adjacent to the oxide semiconductor layer, and the low resistance oxide layer having an electric resistivity lower than an electric resistivity of the oxide semiconductor layer.
    Type: Grant
    Filed: January 2, 2013
    Date of Patent: March 17, 2015
    Assignee: Sony Corporation
    Inventors: Tsutomu Shimayama, Nobutoshi Fujii, Takashige Fujimori
  • Patent number: 8815619
    Abstract: A method of manufacturing a display unit includes: forming, on a substrate, a thin-film transistor having an oxide semiconductor layer; and forming, above the thin-film transistor, a display region that includes a plurality of display elements. The oxide semiconductor layer is formed using a sputtering method in which a target and the substrate are opposed to each other. The target is made of an oxide semiconductor and includes a plurality of divided portions that are jointed in a planar form. A spacing interval between two joints that are formed by the plurality of divided portions and are side-by-side with one another of the target is equal to or less than a width of a luminance distribution arising in the display region in a direction substantially orthogonal to the joints.
    Type: Grant
    Filed: September 13, 2012
    Date of Patent: August 26, 2014
    Assignee: Sony Corporation
    Inventors: Toshiaki Arai, Takashige Fujimori