Patents by Inventor Jean MUGIRANEZA

Jean MUGIRANEZA 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: 20240094844
    Abstract: A display device includes a display panel and a touch panel, wherein the display panel has a light-emitting layer, a first electrode, and a second electrode, the touch panel has a first touch electrode, and a second touch electrode that is driven by a driving signal for detecting a touch in response to a change in mutual capacitance between the first touch electrode and second touch electrode, and the display device further includes a shield electrode formed between the first electrode and touch panel to be applied with a shield-electrode signal.
    Type: Application
    Filed: March 1, 2021
    Publication date: March 21, 2024
    Inventors: JEAN MUGIRANEZA, MASASHI MAYUMI, KOSUKE NAGATA
  • Patent number: 11785813
    Abstract: An organic light-emitting device (OLED) display is provided. The OLED display includes a thin-film transistor (TFT) substrate having a plurality of TFTs and a plurality of data lines that control the plurality of TFTs. The OLED display also includes a conductive shielding layer disposed over the TFT substrate and an OLED layer disposed over the conductive shielding layer. The OLED layer includes a plurality of OLEDs that are driven by the plurality of TFTs. The OLED layer also includes a touch panel layer disposed over the OLED layer. The conductive shielding layer is configured to reduce noise coupling between the TFT substrate and the touch panel layer.
    Type: Grant
    Filed: April 28, 2021
    Date of Patent: October 10, 2023
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Jean Mugiraneza, Andrew Kay
  • Publication number: 20230176699
    Abstract: A display device according to an aspect includes: a display panel; and a touch panel on the display panel. The touch panel includes: a plurality of detection electrodes extending in a first direction in a plan view; and a plurality of drive electrodes disposed respectively between the plurality of detection electrodes and extending in the first direction. Each of the plurality of drive electrodes includes: a plurality of electrode segments patterned in the first direction; and a plurality of wires connected respectively to the plurality of electrode segments and extending in the first direction.
    Type: Application
    Filed: April 27, 2020
    Publication date: June 8, 2023
    Inventor: JEAN MUGIRANEZA
  • Patent number: 11527584
    Abstract: A flexible touch panel apparatus includes a series of first electrodes extending along a first direction, at least one second electrode extending along a second direction and defining a bending axis of the flexible touch panel. An elastomeric layer is located between the series of first electrodes at least second electrode. A series of third electrodes are extending along the second direction parallel to the bending axis, and an insulator layer is located between at least one second electrode and the series of third electrodes. At least one second electrode is capacitively coupled to at least one of the series of first electrodes for bend sensing in the flexible touch panel along the bending axis, and the third electrodes are capacitively coupled to the first electrodes for touch sensing on the flexible touch panel.
    Type: Grant
    Filed: October 22, 2020
    Date of Patent: December 13, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Jean Mugiraneza, Andrew Kay
  • Publication number: 20220352286
    Abstract: An organic light-emitting device (OLED) display is provided. The OLED display includes a thin-film transistor (TFT) substrate having a plurality of TFTs and a plurality of data lines that control the plurality of TFTs. The OLED display also includes a conductive shielding layer disposed over the TFT substrate and an OLED layer disposed over the conductive shielding layer. The OLED layer includes a plurality of OLEDs that are driven by the plurality of TFTs. The OLED layer also includes a touch panel layer disposed over the OLED layer. The conductive shielding layer is configured to reduce noise coupling between the TFT substrate and the touch panel layer.
    Type: Application
    Filed: April 28, 2021
    Publication date: November 3, 2022
    Inventors: JEAN MUGIRANEZA, ANDREW KAY
  • Publication number: 20220130910
    Abstract: A flexible touch panel apparatus includes a series of first electrodes extending along a first direction, at least one second electrode extending along a second direction and defining a bending axis of the flexible touch panel. An elastomeric layer is located between the series of first electrodes at least second electrode. A series of third electrodes are extending along the second direction parallel to the bending axis, and an insulator layer is located between at least one second electrode and the series of third electrodes. At least one second electrode is capacitively coupled to at least one of the series of first electrodes for bend sensing in the flexible touch panel along the bending axis, and the third electrodes are capacitively coupled to the first electrodes for touch sensing on the flexible touch panel.
    Type: Application
    Filed: October 22, 2020
    Publication date: April 28, 2022
    Inventors: JEAN MUGIRANEZA, ANDREW KAY
  • Patent number: 11316246
    Abstract: There are provided an antenna device with improved antenna performance while suppressing a decrease in yield and a decrease in viewability, and a display device including the same. The antenna device includes an antenna substrate, a first antenna pattern formed on a first main surface of the antenna substrate, and a second antenna pattern formed on a second main surface opposite to the first main surface of the antenna substrate. The first antenna pattern and the second antenna pattern are formed such that positions on the front and back of the antenna substrate coincide with each other, and at least a part of the antenna substrate is transparent to transmit an image.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: April 26, 2022
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shinji Yamagishi, Hiroshi Fukushima, Yasuhiro Sugita, Kazutoshi Kida, Takenori Maruyama, Jean Mugiraneza, Takuma Yamamoto, Yukio Mizuno
  • Publication number: 20210311582
    Abstract: A touch panel includes at least one capacitive touch sensing electrode, at least one first force sensing electrode, a second force sensing electrode, an elastomeric layer between the at least one capacitive touch sensing electrode and the at least one first force sensing electrode, and a piezo-electric layer between the least one first force sensing electrode and the second force sensing electrode, where the at least one capacitive touch sensing electrode, the at least one first force sensing electrode, and the second force sensing electrode are coupled to a sensing integrated circuit capable of sensing a projected capacitance touch, a piezo-electric force, and an elastomeric force simultaneously.
    Type: Application
    Filed: April 7, 2020
    Publication date: October 7, 2021
    Inventors: JEAN MUGIRANEZA, ANDREW KAY
  • Patent number: 11133591
    Abstract: An antenna device includes antenna portions arranged side by side in columns with a partial overlap between the antenna portions next to each other, and common lines each connected to and shared by a set of the antenna portions not overlapping each other to collectively activate the set of the antenna portions.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: September 28, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takuma Yamamoto, Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Jean Mugiraneza, Hiroshi Fukushima, Yasuhiro Sugita, Yukio Mizuno
  • Patent number: 11086464
    Abstract: To enable both touched position detection and pressing force detection without increasing the thickness of a touch panel. A driving electrode (23) is formed on the top face of a piezoelectric polymer layer (22). A touch detection electrode (24) and a pressing force detection electrode (25) are formed on the bottom face of the piezoelectric polymer layer (22).
    Type: Grant
    Filed: March 22, 2018
    Date of Patent: August 10, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Jean Mugiraneza, Takenori Maruyama, Yasuhiro Sugita, Kazutoshi Kida
  • Patent number: 11073958
    Abstract: Provided is an antenna device that performs the reading of information via near field wireless communication by using a plurality of antenna patterns, and that has no insensitive area on the touch surface. An antenna device that reads information via near field wireless communication includes an antenna layer 20 that includes a plurality of antenna patterns 21a to 21l arrayed in parallel with one another, wherein at least a part of the antenna patterns 21a to 21l are arranged so as to overlap with one another when the antenna layer 20 is viewed in a plan view.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: July 27, 2021
    Assignees: SHARP KABUSHIKI KAISHA, TOPPAN FORMS CO., LTD.
    Inventors: Shinji Yamagishi, Yasuhiro Sugita, Jean Mugiraneza, Yuki Owashi, Yoshitaka Kawanabe
  • Patent number: 11018420
    Abstract: A display device includes a display panel displaying an image, a transparent antenna substrate arranged on one surface of the display panel and having transparency, a first conductive film having a mesh shape and arranged on a surface of the transparent antenna substrate opposite to the display panel, and a second conductive film having a mesh shape and arranged on a surface of the transparent antenna substrate facing the display panel. The first conductive film includes an antenna body portion having a thin film pattern and insulated from a surrounding portion by a slit, and the antenna body portion constitutes a transparent antenna performing wireless communication with an external communication device.
    Type: Grant
    Filed: September 26, 2019
    Date of Patent: May 25, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Jean Mugiraneza, Takuma Yamamoto, Yukio Mizuno, Yasuhiro Sugita, Hiroshi Fukushima, Hidetsugu Kawamori
  • Publication number: 20210141488
    Abstract: To enable both touched position detection and pressing force detection without increasing the thickness of a touch panel. A driving electrode (23) is formed on the top face of a piezoelectric polymer layer (22). A touch detection electrode (24) and a pressing force detection electrode (25) are formed on the bottom face of the piezoelectric polymer layer (22).
    Type: Application
    Filed: March 22, 2018
    Publication date: May 13, 2021
    Inventors: Jean MUGIRANEZA, Takenori MARUYAMA, Yasuhiro SUGITA, Kazutoshi KIDA
  • Patent number: 10985450
    Abstract: Provided is an antenna built-in touch panel that includes an antenna that reads information via near field wireless communication, and that has a small thickness. An antenna built-in touch panel includes: a touch panel; and an antenna that reads information via near field wireless communication, wherein the touch panel includes a first electrode layer and a second electrode layer, and antenna patterns 21a to 21c are provided in at least one of a sensing electrode layer and a drive electrode layer of the touch panel.
    Type: Grant
    Filed: January 27, 2017
    Date of Patent: April 20, 2021
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Shinji Yamagishi, Yasuhiro Sugita, Jean Mugiraneza
  • Publication number: 20200371626
    Abstract: To provide a low-cost and compact pressure-sensor-embedded display, in a pressure-sensor-embedded display (1), a touch sensor (5) includes a plurality of touchpad electrodes (7) disposed on a liquid crystal layer (4) side of a circuit board (2), and a pressure sensor (11) includes a plurality of pressure-pad electrodes (12) disposed on the liquid crystal layer (4) side of the circuit board (2) and a plurality of driving electrode bars (13) disposed on the liquid crystal layer (4) side of a counter substrate (3).
    Type: Application
    Filed: March 27, 2018
    Publication date: November 26, 2020
    Inventors: Jean MUGIRANEZA, Yasuhiro SUGITA, Shinji YAMAGISHI, Takenori MARUYAMA
  • Patent number: 10802633
    Abstract: The present invention makes it possible to recognize proximity of a coil without an increase in material cost and production cost. A liquid crystal display panel includes a TFT substrate (6) and a CF substrate (7). A touch panel (2) includes (i) a plurality of touch sensing electrodes (3) which are provided on the TFT substrate (6) so as to detect an electric capacitance between the touch panel (2) and a subject of a touch or a change in the electric capacitance and (ii) a proximity sensing electrode (4) which is provided on the CF substrate (7) so as to detect proximity of a coil (10).
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: October 13, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventor: Jean Mugiraneza
  • Patent number: 10795522
    Abstract: Proximity of a coil is recognized without increasing a material cost or a manufacturing cost. Provided is a touch panel (1) that includes a plurality of drive electrodes (4) that are formed in a drive layer (2) and a plurality of touch sense electrodes (5) that are formed in a sense layer (3), in which a proximity sense electrode (7) by which proximity of a coil is detected is formed in the sense layer (3).
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: October 6, 2020
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Jean Mugiraneza, Ryo Yonebayashi, Miho Yamada, Tomohiro Kimura, Yasuhiro Sugita
  • Patent number: 10795482
    Abstract: The purpose of the present invention is to achieve further miniaturization and performance improvement in a pressure detection type touch panel. The touch panel (1) includes a TP upper side electrode layer (19) located above the CF substrate (18), a TP lower side electrode layer (15) located below the CF substrate (18) and above the liquid crystal layer (14), and a piezoelectric element layer (16) located between the TP upper side electrode layer (19) and the TP lower side electrode layer (15).
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: October 6, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Takenori Maruyama, Jean Mugiraneza, Yasuhiro Sugita, Hidetsugu Kawamori
  • Publication number: 20200295435
    Abstract: There are provided an antenna device with improved antenna performance while suppressing a decrease in yield and a decrease in viewability, and a display device including the same. The antenna device includes an antenna substrate, a first antenna pattern formed on a first main surface of the antenna substrate, and a second antenna pattern formed on a second main surface opposite to the first main surface of the antenna substrate. The first antenna pattern and the second antenna pattern are formed such that positions on the front and back of the antenna substrate coincide with each other, and at least a part of the antenna substrate is transparent to transmit an image.
    Type: Application
    Filed: March 5, 2020
    Publication date: September 17, 2020
    Inventors: SHINJI YAMAGISHI, HIROSHI FUKUSHIMA, YASUHIRO SUGITA, KAZUTOSHI KIDA, TAKENORI MARUYAMA, JEAN MUGIRANEZA, TAKUMA YAMAMOTO, YUKIO MIZUNO
  • Patent number: 10747352
    Abstract: The present invention reduces the width of a frame region. A touchscreen (5) includes: M sense lines 6; pad electrodes (7) that are arranged in N rows×M columns; (N×M) switching elements 8; N multiplexers (9); N sets of M drive lines (10), each of the M drive lines (10) connecting between a multiplexer (9) and one of M pad electrodes (7) in a row that corresponds to the multiplexer (9); and a driving circuit (11) that is connected to the N multiplexers (9).
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: August 18, 2020
    Assignee: SHARP KABUSHIKI KAISHA
    Inventors: Jean Mugiraneza, Yasuhiro Sugita