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).
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Publication number: 20240094844Abstract: 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: ApplicationFiled: March 1, 2021Publication date: March 21, 2024Inventors: JEAN MUGIRANEZA, MASASHI MAYUMI, KOSUKE NAGATA
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Patent number: 11785813Abstract: 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: GrantFiled: April 28, 2021Date of Patent: October 10, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Jean Mugiraneza, Andrew Kay
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Publication number: 20230176699Abstract: 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: ApplicationFiled: April 27, 2020Publication date: June 8, 2023Inventor: JEAN MUGIRANEZA
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Patent number: 11527584Abstract: 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: GrantFiled: October 22, 2020Date of Patent: December 13, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Jean Mugiraneza, Andrew Kay
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Publication number: 20220352286Abstract: 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: ApplicationFiled: April 28, 2021Publication date: November 3, 2022Inventors: JEAN MUGIRANEZA, ANDREW KAY
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Publication number: 20220130910Abstract: 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: ApplicationFiled: October 22, 2020Publication date: April 28, 2022Inventors: JEAN MUGIRANEZA, ANDREW KAY
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Patent number: 11316246Abstract: 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: GrantFiled: March 5, 2020Date of Patent: April 26, 2022Assignee: SHARP KABUSHIKI KAISHAInventors: Shinji Yamagishi, Hiroshi Fukushima, Yasuhiro Sugita, Kazutoshi Kida, Takenori Maruyama, Jean Mugiraneza, Takuma Yamamoto, Yukio Mizuno
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Publication number: 20210311582Abstract: 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: ApplicationFiled: April 7, 2020Publication date: October 7, 2021Inventors: JEAN MUGIRANEZA, ANDREW KAY
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Patent number: 11133591Abstract: 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: GrantFiled: December 4, 2019Date of Patent: September 28, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Takuma Yamamoto, Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Jean Mugiraneza, Hiroshi Fukushima, Yasuhiro Sugita, Yukio Mizuno
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Patent number: 11086464Abstract: 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: GrantFiled: March 22, 2018Date of Patent: August 10, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Jean Mugiraneza, Takenori Maruyama, Yasuhiro Sugita, Kazutoshi Kida
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Patent number: 11073958Abstract: 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: GrantFiled: January 27, 2017Date of Patent: July 27, 2021Assignees: SHARP KABUSHIKI KAISHA, TOPPAN FORMS CO., LTD.Inventors: Shinji Yamagishi, Yasuhiro Sugita, Jean Mugiraneza, Yuki Owashi, Yoshitaka Kawanabe
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Patent number: 11018420Abstract: 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: GrantFiled: September 26, 2019Date of Patent: May 25, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Takenori Maruyama, Kazutoshi Kida, Shinji Yamagishi, Jean Mugiraneza, Takuma Yamamoto, Yukio Mizuno, Yasuhiro Sugita, Hiroshi Fukushima, Hidetsugu Kawamori
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Publication number: 20210141488Abstract: 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: ApplicationFiled: March 22, 2018Publication date: May 13, 2021Inventors: Jean MUGIRANEZA, Takenori MARUYAMA, Yasuhiro SUGITA, Kazutoshi KIDA
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Patent number: 10985450Abstract: 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: GrantFiled: January 27, 2017Date of Patent: April 20, 2021Assignee: SHARP KABUSHIKI KAISHAInventors: Shinji Yamagishi, Yasuhiro Sugita, Jean Mugiraneza
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Publication number: 20200371626Abstract: 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: ApplicationFiled: March 27, 2018Publication date: November 26, 2020Inventors: Jean MUGIRANEZA, Yasuhiro SUGITA, Shinji YAMAGISHI, Takenori MARUYAMA
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Patent number: 10802633Abstract: 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: GrantFiled: September 11, 2017Date of Patent: October 13, 2020Assignee: SHARP KABUSHIKI KAISHAInventor: Jean Mugiraneza
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Patent number: 10795522Abstract: 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: GrantFiled: October 6, 2017Date of Patent: October 6, 2020Assignee: Sharp Kabushiki KaishaInventors: Jean Mugiraneza, Ryo Yonebayashi, Miho Yamada, Tomohiro Kimura, Yasuhiro Sugita
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Patent number: 10795482Abstract: 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: GrantFiled: March 1, 2018Date of Patent: October 6, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Takenori Maruyama, Jean Mugiraneza, Yasuhiro Sugita, Hidetsugu Kawamori
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Publication number: 20200295435Abstract: 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: ApplicationFiled: March 5, 2020Publication date: September 17, 2020Inventors: SHINJI YAMAGISHI, HIROSHI FUKUSHIMA, YASUHIRO SUGITA, KAZUTOSHI KIDA, TAKENORI MARUYAMA, JEAN MUGIRANEZA, TAKUMA YAMAMOTO, YUKIO MIZUNO
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Patent number: 10747352Abstract: 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: GrantFiled: November 17, 2017Date of Patent: August 18, 2020Assignee: SHARP KABUSHIKI KAISHAInventors: Jean Mugiraneza, Yasuhiro Sugita