Patents by Inventor Kazunori Watanabe
Kazunori Watanabe 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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Patent number: 12271233Abstract: To increase the detection sensitivity of a touch panel, provide a thin touch panel, provide a foldable touch panel, or provide a lightweight touch panel. A display element and a capacitor forming a touch sensor are provided between a pair of substrates. Preferably, a pair of conductive layers forming the capacitor each have an opening. The opening and the display element are provided to overlap each other. A light-blocking layer is provided between a substrate on the display surface side and the pair of conductive layers forming the capacitor.Type: GrantFiled: April 19, 2023Date of Patent: April 8, 2025Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Koji Kusunoki, Hiroyuki Miyake, Kazunori Watanabe
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Patent number: 12260838Abstract: A display apparatus with low power consumption is provided. The display apparatus includes a circuit for boosting a signal voltage output from a gate driver. The signal voltage from the gate driver can be boosted and then supplied to a pixel, which is suitable for driving a display device with a high threshold voltage. Furthermore, by utilizing a boosting function, output of the gate driver can be reduced, and power consumption can also be reduced. By combination with a pixel having a boosting function of image data, a display apparatus with lower power consumption can be achieved.Type: GrantFiled: August 18, 2023Date of Patent: March 25, 2025Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kazunori Watanabe, Koji Kusunoki
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Publication number: 20250093788Abstract: A substrate holding apparatus includes a holder configured to hold a substrate, and a gas supplier configured to supply a gas between the substrate and the holder, wherein when separating the substrate from the holder holding the substrate, the gas supplier supplies the gas based on information concerning an adhesive force between the substrate and the holder.Type: ApplicationFiled: September 17, 2024Publication date: March 20, 2025Inventors: YUICHIRO MORIKUNI, SHIGEO KOYA, KAZUNORI NAKAJIMA, HIKARI WATANABE, DAISUKE OGAWA
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Publication number: 20250095530Abstract: A flip-flop circuit is provided. A driver circuit is provided. The flip-flop circuit includes first to fifth input terminals and first to third output terminals, the first input terminal is supplied with a first trigger signal, the second input terminal is supplied with a second trigger signal, the third input terminal is supplied with a batch selection signal, the fourth input terminal is supplied with a first pulse width modulation signal, and the fifth input terminal is supplied with a second pulse width modulation signal.Type: ApplicationFiled: December 3, 2024Publication date: March 20, 2025Inventors: Kouhei TOYOTAKA, Kazunori WATANABE, Susumu KAWASHIMA, Daisuke KUBOTA, Tetsuji ISHITANI, Akio YAMASHITA
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Patent number: 12254071Abstract: A semiconductor device including a biometric recognition function and a touch sensor or near touch sensor function is provided. The semiconductor device includes a light-emitting device and an imaging device. The imaging device includes a gate driver circuit and m rows of pixels (m is an integer more than or equal to 2). The gate driver circuit includes a plurality of first register circuits and second register circuits whose number is less than that of the first register circuits. The first register circuits are connected with each other in series and the second register circuits are connected with each other in series. The gate driver circuit has a function of operating in the first mode and the second mode. In the first mode, the first register circuits are in the on state and the second register circuits are in the off state, and in the second mode, the second register circuits are in the on state and the first register circuits are in the off state.Type: GrantFiled: August 24, 2023Date of Patent: March 18, 2025Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Yoshimoto, Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe
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Publication number: 20250077012Abstract: A display device featuring a touch detection and a fingerprint imaging functions is provided. A display device includes a light-emitting element and a light-receiving element. The light-emitting element includes a first pixel electrode, a light-emitting layer, and a common electrode, and the light-receiving element includes a second pixel electrode, an active layer, and the common electrode. The first pixel electrode and the second pixel electrode are provided on the same plane. The common electrode overlaps with the first pixel electrode with the light-emitting layer therebetween, and overlaps with the second pixel electrode with the active layer therebetween. A first conductive layer, a second conductive layer, and an insulating layer are provided above the common electrode. The insulating layer is provided above the first conductive layer, and the second conductive layer is provided above the insulating layer.Type: ApplicationFiled: November 18, 2024Publication date: March 6, 2025Inventors: Daisuke KUBOTA, Ryo HATSUMI, Taisuke KAMADA, Koji KUSUNOKI, Kazunori WATANABE, Susumu KAWASHIMA, Kensuke YOSHIZUMI
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Patent number: 12243459Abstract: A flip-flop circuit is provided. A driver circuit is provided. The flip-flop circuit includes first to fifth input terminals and first to third output terminals, the first input terminal is supplied with a first trigger signal, the second input terminal is supplied with a second trigger signal, the third input terminal is supplied with a batch selection signal, the fourth input terminal is supplied with a first pulse width modulation signal, and the fifth input terminal is supplied with a second pulse width modulation signal.Type: GrantFiled: January 12, 2023Date of Patent: March 4, 2025Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kouhei Toyotaka, Kazunori Watanabe, Susumu Kawashima, Daisuke Kubota, Tetsuji Ishitani, Akio Yamashita
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Publication number: 20250070868Abstract: It is aimed to provide an optical node, a remote control system, and a remote control method capable of improving a communication speed of an uplink signal.Type: ApplicationFiled: January 14, 2022Publication date: February 27, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Tomohiro KAWANO, Tatsuya FUJIMOTO, Kazuhide NAKAE, Hiroshi WATANABE, Kazunori KATAYAMA
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Patent number: 12236315Abstract: A laser processing system includes: a first light irradiator including: a first light emitter to emit first laser light; and a first light scanner to scan a first region of a workpiece with the first laser light emitted from the first light emitter; a second light irradiator including: a second light emitter to emit second laser light; and a second light scanner to scan a second region different from the first region of the workpiece with the second laser light emitted from the second light emitter. The first light irradiator emits the first laser light to the first region of the workpiece in a first irradiation direction, the second light irradiator emits the second laser light to the second region of the workpiece in a second irradiation direction opposite to the first irradiation direction.Type: GrantFiled: January 17, 2023Date of Patent: February 25, 2025Assignee: RICOH COMPANY, LTD.Inventors: Kazunori Watanabe, Yoshinori Hayashi
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Patent number: 12219857Abstract: A display apparatus having a photosensing function is provided. The display apparatus includes a first pixel circuit and a second pixel circuit. The first pixel circuit includes a light-receiving device, a first transistor, and a second transistor. The second pixel circuit includes a light-emitting device. The light-receiving device includes a first pixel electrode, an active layer, and a common electrode. The light-emitting device includes a second pixel electrode, a light-emitting layer, and the common electrode. The active layer is positioned over the first pixel electrode and includes a first organic compound. The light-emitting layer is positioned over the second pixel electrode and includes 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 therebetween and a portion overlapping with the second pixel electrode with the light-emitting layer therebetween.Type: GrantFiled: June 23, 2020Date of Patent: February 4, 2025Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kazunori Watanabe, Koji Kusunoki, Susumu Kawashima, Taisuke Kamada, Ryo Hatsumi, Daisuke Kubota
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Publication number: 20250038730Abstract: An acoustic wave device includes acoustic wave resonators including one or more series arm resonators and one or more parallel arm resonators. The acoustic wave resonators include a support including a support substrate with a thickness in a first direction, a piezoelectric layer in the first direction of the support, an IDT electrode on one principal surface of the piezoelectric layer, a first dielectric film on the one principal surface, and a second dielectric film on the first dielectric film. A thickness of one of the first dielectric films is larger than a thickness of another one of the first dielectric films. A thickness of one of the second dielectric films is smaller than a thickness of another one of the second dielectric films.Type: ApplicationFiled: October 17, 2024Publication date: January 30, 2025Inventors: Munehisa WATANABE, Kazunori INOUE
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Publication number: 20250031549Abstract: A display device having both a touch detection function and a function of capturing an image of a shape of a fingerprint or a vein is provided. The display device includes a first substrate, a first light-emitting element, a second light-emitting element, a light-receiving element, a light-blocking layer, a first resin layer, and a second resin layer. The first light-emitting element and the light-receiving element are arranged over the first substrate, and the first resin layer is provided over the first light-emitting element and the light-receiving element. The light-blocking layer is provided over the first resin layer, and the second light-emitting element is provided over the light-blocking layer. The second resin layer is provided over the second light-emitting layer. The first light-emitting element emits visible light upward, and the second light-emitting element emits invisible light upward.Type: ApplicationFiled: October 9, 2024Publication date: January 23, 2025Inventors: Shunpei YAMAZAKI, Shingo EGUCHI, Daisuke KUBOTA, Koji KUSUNOKI, Kazunori WATANABE
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Publication number: 20250012588Abstract: When the second mobile terminal is brought close to the first mobile terminal, the installation information of the passenger application is transmitted to the second mobile terminal. When the installation is confirmed, the passenger application is installed. After that, when the operation of designating the destination is performed in the second mobile terminal, the destination information is transferred from the destination setting application to the passenger application. The user is guided to bring the second mobile terminal closer to the first mobile terminal. When the user brings the second mobile terminal closer to the first mobile terminal, destination information is transmitted from the second mobile terminal to the navigation device via the first mobile terminal. A destination is set in the navigation device.Type: ApplicationFiled: May 23, 2024Publication date: January 9, 2025Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Kazunori WATANABE, Taiki NAKAMURA
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Publication number: 20250008804Abstract: The resolution of a display apparatus having a light 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: ApplicationFiled: September 12, 2024Publication date: January 2, 2025Inventors: Daisuke KUBOTA, Taisuke KAMADA, Ryo HATSUMI, Koji KUSUNOKI, Kazunori WATANABE, Susumu KAWASHIMA
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Patent number: 12178093Abstract: The resolution of a display apparatus having a light detection function is increased. A display apparatus includes a plurality of transistors and a light-emitting and light-receiving device in a subpixel. The light-emitting and light-receiving device has a function of emitting light of a first color and a function of receiving light of a second color. One of a source and a drain of a first transistor is electrically connected to a first wiring, and the other thereof is electrically connected to a gate of a second transistor. One electrode of the light-emitting and light-receiving device is electrically connected to one of a source and a drain of the second transistor, one of a source and a drain of a third transistor, and one of a source and a drain of a fifth transistor. One of a source and a drain of a fourth transistor is electrically connected to a second wiring, and the other thereof is electrically connected to the other of the source and the drain of the third transistor.Type: GrantFiled: September 9, 2020Date of Patent: December 24, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Koji Kusunoki, Kazunori Watanabe, Susumu Kawashima, Daisuke Kubota, Taisuke Kamada, Ryo Hatsumi
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Publication number: 20240420571Abstract: A novel information processing device that is highly convenient or reliable is provided. The information processing device includes a sensor portion, a communication portion, a display portion, and an arithmetic device; the sensor portion has a function of obtaining position information, and the communication portion has a function of obtaining map information and legal speed limit information. The arithmetic device identifies first legal speed limit information from the map information on the basis of the position information, the arithmetic device generates first image information including the first legal speed limit information, and the display portion has a function of displaying the first image information.Type: ApplicationFiled: August 29, 2024Publication date: December 19, 2024Inventors: Shunpei YAMAZAKI, Koji KUSUNOKI, Susumu KAWASHIMA, Kazunori WATANABE, Satoshi YOSHIMOTO
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Publication number: 20240413130Abstract: A display device with high display quality is provided. A display device with low power consumption is provided. In the display device, a first transistor, a second transistor, a first conductive layer, and a light-emitting diode package are included in a pixel. The light-emitting diode package includes a first light-emitting diode, a second light-emitting diode, a second conductive layer, a third conductive layer, and a fourth conductive layer. The first light-emitting diode includes a first electrode and a second electrode. The second light-emitting diode includes a third electrode and a fourth electrode. One of a source and a drain of the first transistor is electrically connected to the first electrode through the second conductive layer. 10 One of a source and a drain of the second transistor is electrically connected to the third electrode through the third conductive layer.Type: ApplicationFiled: May 31, 2024Publication date: December 12, 2024Inventors: Kazunori WATANABE, Koji KUSUNOKI, Taiki NONAKA, Hiroki ADACHI, Koichi TAKESHIMA
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Patent number: 12165575Abstract: The power consumption of a display device is reduced. The power consumption of a driver circuit in a display device is reduced. A pixel included in the display device includes a display element. The pixel is configured to have a function of retaining a first voltage corresponding to a first input pulse signal and a function of driving the display element with a third voltage obtained by addition of a second voltage corresponding to a second input pulse signal to the first voltage.Type: GrantFiled: October 17, 2023Date of Patent: December 10, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Kei Takahashi, Susumu Kawashima, Koji Kusunoki, Kazunori Watanabe
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Patent number: 12153749Abstract: A display device featuring a touch detection and a fingerprint imaging functions is provided. A display device includes a light-emitting element and a light-receiving element. The light-emitting element includes a first pixel electrode, a light-emitting layer, and a common electrode, and the light-receiving element includes a second pixel electrode, an active layer, and the common electrode. The first pixel electrode and the second pixel electrode are provided on the same plane. The common electrode overlaps with the first pixel electrode with the light-emitting layer therebetween, and overlaps with the second pixel electrode with the active layer therebetween. A first conductive layer, a second conductive layer, and an insulating layer are provided above the common electrode. The insulating layer is provided above the first conductive layer, and the second conductive layer is provided above the insulating layer.Type: GrantFiled: October 11, 2022Date of Patent: November 26, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Daisuke Kubota, Ryo Hatsumi, Taisuke Kamada, Koji Kusunoki, Kazunori Watanabe, Susumu Kawashima, Kensuke Yoshizumi
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Patent number: 12150367Abstract: A display device having both a touch detection function and a function of capturing an image of a shape of a fingerprint or a vein is provided. The display device includes a first substrate, a first light-emitting element, a second light-emitting element, a light-receiving element, a light-blocking layer, a first resin layer, and a second resin layer. The first light-emitting element and the light-receiving element are arranged over the first substrate, and the first resin layer is provided over the first light-emitting element and the light-receiving element. The light-blocking layer is provided over the first resin layer, and the second light-emitting element is provided over the light-blocking layer. The second resin layer is provided over the second light-emitting layer. The first light-emitting element emits visible light upward, and the second light-emitting element emits invisible light upward.Type: GrantFiled: August 31, 2021Date of Patent: November 19, 2024Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Shunpei Yamazaki, Shingo Eguchi, Daisuke Kubota, Koji Kusunoki, Kazunori Watanabe