Patents by Inventor Daisuke Kubota

Daisuke Kubota 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: 20240330427
    Abstract: To provide a highly secure electronic device. The electronic device includes a control portion, a detection portion, and a memory portion. The detection portion has a function of detecting touch operation and a function of obtaining first finger data on a touching finger. The memory portion has a function of retaining second finger data registered in advance. The control portion has functions of comparing the first finger data with the second finger data and executing predetermined processing when these data match. The first finger data includes first fingerprint data and first positional data, and the second finger data includes second fingerprint data and second positional data.
    Type: Application
    Filed: June 14, 2024
    Publication date: October 3, 2024
    Inventors: Daisuke KUBOTA, Ryo HATSUMI, Taisuke KAMADA, Rihoko OHMURA
  • Patent number: 12108165
    Abstract: A thin lightweight imaging device is provided. A highly convenient imaging device is provided. The imaging unit includes an imaging unit, a memory, and an arithmetic circuit. The imaging unit includes a light-receiving device, a first light-emitting device, and a second light-emitting device. The first light-emitting device has a function of emitting light in a wavelength range that is different from a wavelength range of light emitted by the second light-emitting device. The imaging unit has a function of making the first light-emitting device emit light and acquiring first image data. The imaging unit has a function of making the second light-emitting device emit light and acquiring second image data. The memory has a function of retaining the first reference data and the second reference data. The arithmetic circuit has a function of correcting the first image data with the use of the first reference data retained in the memory and calculating first correction image data.
    Type: Grant
    Filed: September 1, 2020
    Date of Patent: October 1, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Ryo Hatsumi, Taisuke Kamada
  • Publication number: 20240324377
    Abstract: A display device that has a function of emitting visible light and infrared light and a function of detecting light. The display device is a display device including a first light-emitting device, a second light-emitting device, and a light-receiving device, in a display portion. The first light-emitting device includes a first pixel electrode, a first optical adjustment layer, a first light-emitting layer, a second light-emitting layer, and a common electrode. The second light-emitting device includes a second pixel electrode, a second optical adjustment layer, the first light-emitting layer, the second light-emitting layer, and the common electrode. The light-receiving device includes a third pixel electrode, an active layer, and the common electrode. The active layer includes an organic compound. The first light-emitting device emits infrared light emitted by the first light-emitting layer. The second light-emitting device emits visible light emitted by the second light-emitting layer.
    Type: Application
    Filed: May 30, 2024
    Publication date: September 26, 2024
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei YAMAZAKI, Daisuke KUBOTA, Nobuharu OHSAWA, Takeyoshi WATABE, Taisuke KAMADA
  • Patent number: 12099587
    Abstract: A composite device with a high security level is provided. A composite device capable of inhibiting unauthorized use favorably is provided. The composite device includes a control portion, a detection portion, an authentication portion, and a memory portion. The detection portion has a function of detecting a touch and a function of obtaining first fingerprint data of a finger touching the detection portion. The authentication portion has a function of executing user authentication processing. The memory portion has a function of retaining second fingerprint data registered in advance. The control portion has a function of bringing a system into an unlocked state when the authentication portion authenticates a user and a function of comparing the first fingerprint data obtained by the detection portion and the second fingerprint data when the detection portion detects a touch, and bringing the system into a locked state in the case where those data do not match.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: September 24, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Koji Kusunoki, Daisuke Kubota
  • Patent number: 12099686
    Abstract: A display device having a photosensing function is provided. A display device having a biometric authentication function typified by fingerprint authentication is provided. A display device having both a touch panel function and a biometric authentication function is provided. The display device includes a first substrate, a light guide plate, a first light-emitting element, a second light-emitting element, and a light-receiving element. The first substrate and the light guide plate are provided to face each other. The first light-emitting element and the light-receiving element are provided between the first substrate and the light guide plate. The first light-emitting element has a function of emitting first light through the light guide plate. The second light-emitting element has a function of emitting second light to a side surface of the light guide plate. The light-receiving element has a function of receiving the second light and converting the second light into an electric signal.
    Type: Grant
    Filed: October 12, 2023
    Date of Patent: September 24, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Ryo Hatsumi, Taisuke Kamada
  • Publication number: 20240315108
    Abstract: A display device having a function of sensing light is provided. The display device includes a first substrate, a second substrate, a light-receiving element, a light-emitting element, a resin layer, and a light shielding layer. The light-receiving element, the light-emitting element, the resin layer, and the light shielding layer are each positioned between the first substrate and the second substrate. The light-receiving element includes a first pixel electrode over the first substrate, an active layer over the first pixel electrode, and a common electrode over the active layer. The light-emitting element includes a second pixel electrode over the first substrate, a first light-emitting layer over the second pixel electrode, and the common electrode over the first light-emitting layer. The resin layer and the light shielding layer are each positioned between the common electrode and the second substrate. The resin layer includes a portion overlapping with the light-emitting element.
    Type: Application
    Filed: May 23, 2024
    Publication date: September 19, 2024
    Inventors: Ryo HATSUMI, Taisuke KAMADA, Daisuke KUBOTA, Rai SATO, Hiroki ADACHI, Ryo YAMAUCHI, Kazunori WATANABE
  • Patent number: 12096670
    Abstract: The resolution of a display apparatus having alight detection function is increased. The display apparatus includes a light-emitting device and a light-emitting and light-receiving device. The light-emitting device includes a first pixel electrode, a first light-emitting layer, and a common electrode; the light-emitting and light-receiving device includes a second pixel electrode, a second light-emitting layer, an active layer, and the common electrode; the active layer includes an organic compound; the first light-emitting layer is positioned between the first pixel electrode and the common electrode; the second light-emitting layer and the active layer are each positioned between the second pixel electrode and the common electrode; the light-emitting device has a function of emitting light of a first color; and the light-emitting and light-receiving device has a function of emitting light of a second color and a function of receiving light of the first color.
    Type: Grant
    Filed: July 8, 2020
    Date of Patent: September 17, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Taisuke Kamada, Ryo Hatsumi, Koji Kusunoki, Kazunori Watanabe, Susumu Kawashima
  • Patent number: 12096659
    Abstract: A display device having a photosensing function is provided. A highly convenient display device is provided. The display device includes a light-receiving element and a light-emitting element in a display portion. The light-receiving element includes a first pixel electrode, an active layer, and a common electrode. The light-emitting element includes a second pixel electrode, a light-emitting layer, and a common electrode. The active layer is positioned over the first pixel electrode. The active layer contains a first organic compound. The light-emitting layer is positioned over the second pixel electrode. The light-emitting layer contains a second organic compound different from the first organic compound. The common electrode includes a portion overlapping with the first pixel electrode with the active layer provided therebetween, and a portion overlapping with the second pixel electrode with the light-emitting layer provided therebetween.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: September 17, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Taisuke Kamada, Ryo Hatsumi, Daisuke Kubota, Daiki Nakamura
  • Patent number: 12078883
    Abstract: To provide a thin touch panel, a touch panel having a simple structure, a touch panel which can be easily incorporated into an electronic device, or a touch panel with a small number of components. The touch panel includes pixel electrodes arranged in a matrix, a plurality of signal lines, a plurality of scan lines, a plurality of first wirings extending in a direction parallel to the signal lines, and a plurality of second wirings extending in a direction parallel to the scan line. Part of the first wiring and part of the second wiring function as a pair of electrodes included in a touch sensor. The first wiring and the second wiring each have a stripe shape or form a mesh shape and are each provided between two adjacent pixel electrodes in a plan view.
    Type: Grant
    Filed: November 30, 2023
    Date of Patent: September 3, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Hideaki Shishido, Daisuke Kubota, Yusuke Kubota
  • Patent number: 12073651
    Abstract: An electronic device having an authentication method with a high security level is provided. The electronic device includes a pixel portion, a sensor portion, an authentication portion, and a housing. The pixel portion includes a display element and a light-receiving element. The pixel portion has a function of turning on the display element. The pixel portion has a function of obtaining authentication information by capturing an image of a target object touching the pixel portion. The sensor portion has a function of detecting attachment or detachment to a living body or an object. The authentication portion has a function of performing authentication processing with the use of the authentication information. The housing includes a first surface and a second surface opposite to the first surface. The pixel portion is positioned on the first surface and the sensor portion is positioned on the second surface.
    Type: Grant
    Filed: June 14, 2021
    Date of Patent: August 27, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Koji Kusunoki, Daisuke Kubota, Ryo Hatsumi
  • Publication number: 20240284754
    Abstract: A display apparatus having a light detection function with high accuracy is to be provide. The display apparatus includes a light-receiving device, a first light-emitting device, and an insulating layer. The light-receiving device includes a first electrode, a light-receiving layer, and a common electrode. The first light-emitting device includes a second electrode, a first EL layer, and the common electrode. The light-receiving layer includes a first functional layer, a second functional layer, and an active layer provided therebetween. The first functional layer contains a first substance having a hole-transport property. The second functional layer contains a second substance having an electron-transport property. An end portion of the active layer, an end portion of the first functional layer, and an end portion of the second functional layer are aligned or substantially aligned with one another.
    Type: Application
    Filed: May 18, 2022
    Publication date: August 22, 2024
    Inventors: Daisuke KUBOTA, Akio YAMASHITA, Taisuke KAMADA, Daiki NAKAMURA
  • Publication number: 20240276831
    Abstract: A display apparatus having an image capturing function is provided. A display apparatus with a high aperture ratio is provided. The display apparatus includes a first light-emitting element, a light-receiving element, and a first coloring layer; the first light-emitting element includes a first pixel electrode, a first organic layer over the first pixel electrode, and a common electrode over the first organic layer; the light-receiving element includes a second pixel electrode, a second organic layer over the second pixel electrode, and the common electrode over the second organic layer; the first organic layer includes a first light-emitting layer; the second organic layer includes a photoelectric conversion layer; the first coloring layer is positioned to overlap with first light-emitting element; and the photoelectric conversion layer has sensitivity in a wavelength range of light passing through the first coloring layer.
    Type: Application
    Filed: May 17, 2022
    Publication date: August 15, 2024
    Inventors: Daisuke KUBOTA, Kenichi OKAZAKI, Koji KUSUNOKI
  • Patent number: 12063802
    Abstract: A display apparatus having a photoelectric conversion function with high sensitivity is provided. The light extraction efficiency of the display apparatus is increased. The display apparatus includes a light-emitting device, a light-emitting and light-receiving device, a first lens, and a second lens. The light-emitting device has a function of emitting light of a first color. The light-emitting and light-receiving device has a function of emitting light of a second color and a function of receiving light of the first color and converting it into an electric signal. The light emitted by the light-emitting device is emitted to the outside of the display apparatus through the first lens. Light enters the light-emitting and light-receiving device from the outside of the display apparatus through the second lens.
    Type: Grant
    Filed: October 5, 2020
    Date of Patent: August 13, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke Kubota, Taisuke Kamada, Ryo Hatsumi, Koji Kusunoki, Kazunori Watanabe, Susumu Kawashima
  • Patent number: 12058878
    Abstract: A display apparatus having a function of emitting visible light and infrared light and a light detection function is provided. The display apparatus includes a first light-emitting device, a second light-emitting device, and a light-receiving device in a display portion. The first light-emitting device emits both visible light and infrared light and the second light-emitting device emits visible light. The light-receiving device has a function of absorbing at least part of visible light and infrared light. The first light-emitting device includes a first pixel electrode, a first light-emitting layer, a second light-emitting layer, and a common electrode. The second light-emitting device includes a second pixel electrode, a third light-emitting layer, and the common electrode. The light-receiving device includes a third pixel electrode, an active layer, and the common electrode. The first light-emitting layer includes a light-emitting material emitting infrared light.
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: August 6, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Shunpei Yamazaki, Daisuke Kubota, Nobuharu Ohsawa, Takeyoshi Watabe, Taisuke Kamada
  • Publication number: 20240260454
    Abstract: A light-receiving device with a novel structure is provided. The provided light-receiving device includes a light-receiving layer between a pair of electrodes. The light-receiving layer includes an active layer. The active layer contains a first organic compound and a second organic compound. An absorption spectrum of the first organic compound has one or more peaks. At least one peak wavelength of the peaks is greater than or equal to 400 nm and less than or equal to 700 nm. The HOMO level of the second organic compound is higher than the HOMO level of the first organic compound. The difference between the HOMO level of the first organic compound and the HOMO level of the second organic compound is preferably higher than or equal to 0.2 eV and lower than or equal to 1.5 eV and further preferably higher than or equal to 0.4 eV and lower than or equal to 1.5 eV.
    Type: Application
    Filed: June 9, 2022
    Publication date: August 1, 2024
    Inventors: Yasuhiro NIIKURA, Daisuke KUBOTA, Taisuke KAMADA, Sachiko KAWAKAMI, Anna TADA, Satoshi SEO
  • Publication number: 20240260287
    Abstract: A display apparatus having an image capturing function is provided. A display apparatus or an image capturing device with a high aperture ratio is provided. The display apparatus includes a light-emitting element, a light-receiving element, a first resin layer, and a light-blocking layer. A first pixel electrode, a first organic layer, and a common electrode are stacked in this order in the light-emitting element. A second pixel electrode, a second organic layer, and the common electrode are stacked in this order in the light-receiving element. The first organic layer includes a first light-emitting layer, and the second organic layer includes a photoelectric conversion layer. The light-blocking layer includes a portion positioned, in a plan view, between the light-emitting element and the light-receiving element. The first resin layer is provided to cover the light-emitting element and the light-receiving element.
    Type: Application
    Filed: May 19, 2022
    Publication date: August 1, 2024
    Applicant: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Daisuke KUBOTA, Kenichi OKAZAKI, Ryo HATSUMI, Koji KUSUNOKI, Shunpei YAMAZAKI
  • Publication number: 20240260373
    Abstract: A high-resolution display apparatus having a light detection function is provided. The display apparatus includes a display portion in which a first arrangement pattern and a second arrangement pattern are repeatedly placed in a first direction. In the first arrangement pattern, a first subpixel and a second subpixel are repeatedly arranged in a second direction. In the second arrangement pattern, a third subpixel, a fourth subpixel, and a fifth subpixel are repeatedly arranged in the second direction. Each of the first subpixel to the fourth subpixel includes a light-emitting device. The fifth subpixel includes a light-receiving device. Three or all of light-emitting devices included in the four subpixels can include EL layers with the same structure.
    Type: Application
    Filed: June 17, 2022
    Publication date: August 1, 2024
    Inventors: Yoshiyuki KUROKAWA, Sachiko KAWAKAMI, Nobuharu OHSAWA, Daisuke KUBOTA
  • Patent number: 12048227
    Abstract: A display device having a function of sensing light is provided. The display device includes a first substrate, a second substrate, a light-receiving element, a light-emitting element, a resin layer, and a light shielding layer. The light-receiving element, the light-emitting element, the resin layer, and the light shielding layer are each positioned between the first substrate and the second substrate. The light-receiving element includes a first pixel electrode over the first substrate, an active layer over the first pixel electrode, and a common electrode over the active layer. The light-emitting element includes a second pixel electrode over the first substrate, a first light-emitting layer over the second pixel electrode, and the common electrode over the first light-emitting layer. The resin layer and the light shielding layer are each positioned between the common electrode and the second substrate. The resin layer includes a portion overlapping with the light-emitting element.
    Type: Grant
    Filed: February 3, 2020
    Date of Patent: July 23, 2024
    Assignee: Semiconductor Energy Laboratory Co., Ltd.
    Inventors: Ryo Hatsumi, Taisuke Kamada, Daisuke Kubota, Rai Sato, Hiroki Adachi, Ryo Yamauchi, Kazunori Watanabe
  • Publication number: 20240239194
    Abstract: A vehicle display control device includes a detection unit, a reception unit, and a control unit. The detection unit detects lane markings in the target lane in which the vehicle is traveling. The reception unit receives a display mode from a vehicle occupant. The control unit causes the display unit to display, in the received display mode, an execution image indicating whether lane keeping control in which the vehicle travels staying in the target lane, is executed.
    Type: Application
    Filed: November 13, 2023
    Publication date: July 18, 2024
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Miki TSUJINO, Sara YAMAFUJI, Makoto SUZUKI, Takatoshi HATTORI, Keigo HORI, Kazuhisa MURAKAMI, Shinji OHBA, Tomoki YOSHIMOTO, Rikuto KUBOTA, Daisuke FUKUTOMI, Kentaro TAKAHASHI
  • Publication number: 20240231526
    Abstract: A novel functional panel that is highly convenient, useful, or reliable is provided. The functional panel includes a first driver circuit, a second driver circuit, and a pixel set, the first driver circuit has a function of supplying a first selection signal and a second selection signal, a second driver circuit has a function of supplying an image signal and a control signal, and the control signal includes a first level and a second level. The pixel set includes a first pixel, and the first pixel includes a first element and a first pixel circuit. The first pixel circuit has functions of obtaining the image signal on the basis of the first selection signal, obtaining the control signal on the basis of the second selection signal, and holding a first state to a third state.
    Type: Application
    Filed: March 21, 2024
    Publication date: July 11, 2024
    Inventors: Daisuke KUBOTA, Susumu KAWASHIMA, Koji KUSUNOKI