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公开(公告)号：US11431199B2
公开(公告)日：2022-08-30
申请号：US16753872
申请日：2018-10-24
发明人： Koji Kusunoki , Toshiyuki Isa , Akihiro Chida , Kouhei Toyotaka , Ryota Tajima
摘要： Deterioration of a storage battery included in an electronic device is reduced. Power consumption of an electronic device is reduced. A power feeding device having excellent performance is provided. The power feeding device includes a power feeding coil, a control circuit, and a neural network and has a function of charging a storage battery with a wireless signal supplied by the power feeding coil. The control circuit has a function of estimating a remaining capacity value of the storage battery, the control circuit has a function of supplying the estimated remaining capacity value to the neural network, the neural network outputs a value corresponding to the supplied remaining capacity value to the control circuit, the control circuit determines a charge condition for the storage battery on the basis of the value output by the neural network, and the power feeding device has a function of charging the storage batten under the determined charge condition.
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公开(公告)号：US11423855B2
公开(公告)日：2022-08-23
申请号：US16771246
申请日：2018-12-11
IPC分类号： G06F3/041 , G09G3/36 , G02F1/1368
摘要： A novel display panel that is highly convenient or reliable is provided. A pixel circuit includes a first switch, a node, a capacitor, and a second switch. The first switch includes a first terminal to which a first signal is supplied and a second terminal electrically connected to the node. The capacitor includes a first terminal electrically connected to the node and a second terminal electrically connected to the second switch. The second switch includes a first terminal to which a second signal is supplied and a second terminal electrically connected to the second terminal of the capacitor. In addition, the second switch has a function of changing from a non-conducting state to a conducting state when the first switch is in a non-conducting state and a function of changing from a conducting state to a non-conducting state when the first switch is in a non-conducting state. The display element performs display on the basis of a potential of the node.
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公开(公告)号：US11227543B2
公开(公告)日：2022-01-18
申请号：US16489716
申请日：2018-02-26
发明人： Shintaro Harada , Yoshiyuki Kurokawa , Takeshi Aoki , Yuki Okamoto , Hiroki Inoue , Koji Kusunoki , Yosuke Tsukamoto , Katsuki Yanagawa , Kei Takahashi , Shunpei Yamazaki
摘要： An electronic device capable of efficiently recognizing a handwritten character is provided.
The electronic device includes a first circuit, a display portion, and a touch sensor. The first circuit includes a neural network. The display portion includes a flexible display. The touch sensor has the function of outputting an input handwritten character as image information to the first circuit. The first circuit has the function of analyzing the image information and converting the image information into character information, and a function of displaying an image including the character information on the display portion. The analysis is performed by inference through the use of the neural network.-
公开(公告)号：US11217190B2
公开(公告)日：2022-01-04
申请号：US16770998
申请日：2018-12-13
发明人： Susumu Kawashima , Koji Kusunoki , Kei Takahashi , Kouhei Toyotaka , Kazunori Watanabe , Shigeru Onoya
IPC分类号： G09G3/36 , G02F1/1362 , G02F1/1368 , H01L27/12 , H01L29/24 , H01L29/786
摘要： An object of the present invention is to provide a display device with high display quality. The display device of the present invention includes a pixel and a source driver circuit. The pixel includes first and second transistors (21, 22), a capacitor (25), and a display element (26). The source driver circuit is electrically connected to first and second wirings (31, 32). The first wiring (31) is electrically connected to one electrode of the capacitor 25 and one electrode of the display element (26) through the first transistor (21). The second wiring (32) is electrically connected to the other electrode of the capacitor (25) and the other electrode of the display element (26) through the second transistor (22).
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公开(公告)号：US11210048B2
公开(公告)日：2021-12-28
申请号：US17016773
申请日：2020-09-10
发明人： Koji Kusunoki , Daisuke Kubota , Tetsuji Ishitani
摘要： A display device suitable for application is provided. A display device capable of displaying images with high quality and with low power consumption is provided. The display device includes a first display portion, a second display portion, a non-display portion, a first substrate, and a second substrate. The first substrate and the second substrate are provided to face each other with the first display portion, the second display portion, and the non-display portion provided therebetween. The first display portion and the second display portion are provided apart from each other with the non-display portion therebetween. A plurality of liquid crystal elements are arranged in a matrix in the first display portion. A plurality of light-emitting elements are arranged in a matrix in the second display portion. The liquid crystal element reflects light to the second substrate side. The light-emitting element emits light to the second substrate side.
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公开(公告)号：US11024692B2
公开(公告)日：2021-06-01
申请号：US16407499
申请日：2019-05-09
发明人： Koji Kusunoki
IPC分类号： H01L27/32 , G02F1/1335 , G02F1/1362 , G02F1/1368 , G09G3/3225 , G09G3/36 , G09G5/34 , H01L27/12 , H01L29/786
摘要： Provided is a novel display panel that is highly convenient or reliable or a display panel with a high pixel aperture ratio. The display panel includes the first display element, the first conductive film electrically connected to the first display element, the second conductive film having a region overlapping with the first conductive film, the second insulating film having a region sandwiched between the second conductive film and the first conductive film, a pixel circuit electrically connected to the second conductive film, and the second display element electrically connected to the pixel circuit. The second insulating film includes an opening, and the second conductive film is electrically connected to the first conductive film in the opening.
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公开(公告)号：US11013087B2
公开(公告)日：2021-05-18
申请号：US13783809
申请日：2013-03-04
发明人： Kouhei Toyotaka , Koji Kusunoki
IPC分类号： G11C19/28 , H05B47/10 , G09G3/3233 , G09G3/3266
摘要： Provided is a light-emitting device which can prevent appearance of an after-image after power on. Before or after supply of a power voltage applied to a light-emitting element is cut, a potential of a gate electrode of a transistor controlling the supply of the power voltage to the light-emitting element is initialized. Specifically, in the case where the transistor is n-channel type, the potential of the gate electrode is initialized so that a gate voltage is equal to or lower than a threshold voltage. In the case where the transistor is p-channel type, the potential of the gate electrode is initialized so that the gate voltage is equal to or higher than the threshold voltage.
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公开(公告)号：US10756118B2
公开(公告)日：2020-08-25
申请号：US15820965
申请日：2017-11-22
发明人： Shunpei Yamazaki , Kenichi Okazaki , Daisuke Kurosaki , Yasutaka Nakazawa , Kazunori Watanabe , Koji Kusunoki
IPC分类号： G02F1/1368 , H01L27/12 , H01L29/786
摘要： A display device includes a liquid crystal element, a transistor, a scan line, and a signal line. The liquid crystal element includes a pixel electrode, a liquid crystal layer, and a common electrode. The scan line and the signal line are each electrically connected to the transistor. The scan line and the signal line each include a metal layer. The transistor is electrically connected to the pixel electrode. A semiconductor layer of the transistor includes a stack of a first metal oxide layer and a second metal oxide layer. The first metal oxide layer includes a region with lower crystallinity than the second metal oxide layer. The transistor includes a first region connected to the pixel electrode. The pixel electrode, the common electrode, and the first region are each configured to transmit visible light. Visible light passes through the first region and the liquid crystal element and exits from the display device.
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公开(公告)号：US10345661B2
公开(公告)日：2019-07-09
申请号：US14684661
申请日：2015-04-13
发明人： Hiroyuki Miyake , Koji Kusunoki , Tetsuji Ishitani , Ryo Hatsumi
IPC分类号： G02F1/1362 , G02F1/1343 , G02F1/1368 , H01L27/12 , H01L29/786 , G02F1/1333 , G06F3/041 , G06F3/044 , G09G3/36
摘要： To provide a display device with a novel structure that can achieve both thickness reduction and favorable display quality. In a structure of a display device including a liquid crystal layer between a pixel electrode and a counter electrode, a common electrode and an electrode of a capacitor in a touch sensor on the counter electrode side are formed integrally and supplied with a pulse signal. On the element substrate side, a signal to be supplied to a capacitor line that forms a capacitance with the pixel electrode is in conjunction with the pulse signal so as to cancel a change in an electric field applied to the liquid crystal layer. Such a structure can achieve a display device with a touch sensor function that can cancel a change in an electric field applied to a liquid crystal layer even when the electric field is changed by a pulse signal.
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公开(公告)号：US10180605B2
公开(公告)日：2019-01-15
申请号：US15658653
申请日：2017-07-25
发明人： Daisuke Kubota , Koji Kusunoki , Akio Yamashita
IPC分类号： G02F1/1345 , G02F1/1335 , G02F1/1339 , G02F1/1343 , G02F1/1362 , G02F1/1368 , G02F1/1347
摘要： A high-image-quality display device having a transmissive mode and a reflective mode is provided. Furthermore, the display device is manufactured with higher yield and higher productivity. In the display device, a transistor used for a transmissive liquid crystal display element, the transmissive liquid crystal display element, a transistor used for a reflective liquid crystal display element, and the reflective liquid crystal display element are stacked in this order between a pair of substrates. In a manufacturing process, one or two manufacturing substrates are used in addition to the pair of substrates included in the display device. The display device is manufactured in such a manner that a second liquid crystal and a second sealant provided to surround the second liquid crystal are bonded to a first liquid crystal sealed using a first sealant. The bonding process is performed such that the first sealant and the second sealant overlap with each other. Moreover, an end portion of the first sealant which is in contact with the first liquid crystal is substantially aligned with or positioned closer to the inner side of the display device than an end portion of the second sealant which is in contact with the second liquid crystal.
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