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公开(公告)号：US20130162609A1
公开(公告)日：2013-06-27
申请号：US13718402
申请日：2012-12-18
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hiroyuki Miyake , Kouhei Toyotaka , Kazunori Watanabe , Toru Tanabe , Makoto Kaneyasu , Masashi Fujita
IPC: G09G3/20
CPC classification number: G09G3/20 , G09G2370/08
Abstract: To provide a display device with high image quality and fewer terminals. The present invention is made with a focus on the positional relation between a serial-parallel conversion circuit and an external connection terminal for supplying a serial signal to the serial-parallel conversion circuit. The structure conceived is such that a serial-parallel conversion circuit and an external connection terminal for supplying a serial signal to the serial-parallel conversion circuit are provided close to each other so that an RC load between the serial-parallel conversion circuit and the external connection terminal is reduced
Abstract translation: 提供具有高图像质量和更少终端的显示设备。 本发明的重点是串行并行转换电路和用于向串行 - 并行转换电路提供串行信号的外部连接端子之间的位置关系。 所构想的结构使得串行并行转换电路和用于向串行 - 并行转换电路提供串行信号的外部连接端子彼此靠近地设置，使得串行 - 并行转换电路和外部电路之间的RC负载 连接端子减少
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公开(公告)号：US12165580B2
公开(公告)日：2024-12-10
申请号：US18531931
申请日：2023-12-07
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kouhei Toyotaka , Daiki Nakamura
IPC: G09G3/32 , G09G3/3225 , H10K50/86 , H10K59/131 , H10K59/38 , H10K59/40 , G06F3/01 , G06F3/02 , G06F3/0354 , G06F3/041 , G09G3/20
Abstract: A novel display panel that is highly convenient or reliable is provided. The display panel includes a display region, a first functional layer, and a second functional layer. The display region includes a pixel, and the pixel includes a display element and a pixel circuit. The first functional layer includes the pixel circuit, a scan line, and a first connection portion. The display element is electrically connected to the pixel circuit, and the pixel circuit is electrically connected to the scan line. The second functional layer includes a region overlapping with the first functional layer, the second functional layer includes a driver circuit and a wiring, and the driver circuit is provided so that the pixel circuit is positioned between the driver circuit and the display element. The wiring is electrically connected to the scan line at the first connection portion, and the wiring is electrically connected to the driver circuit.
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公开(公告)号：US12008975B2
公开(公告)日：2024-06-11
申请号：US18142370
申请日：2023-05-02
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Susumu Kawashima , Kouhei Toyotaka , Kei Takahashi
IPC: G09G3/36 , G06F3/041 , G06F3/044 , G02F1/1333 , G02F1/1368
CPC classification number: G09G3/3677 , G06F3/0418 , G06F3/0443 , G02F1/13338 , G02F1/1368 , G06F3/044 , G09G2310/0286 , G09G2310/08 , G09G2320/103
Abstract: A display device that achieves both high-accuracy sensing by a touch sensor unit and smooth input using the touch sensor unit is provided. The display device includes a display unit and the touch sensor unit. The touch sensor unit performs touch sensing operation at a different timing from display image rewriting by the display unit, whereby the high-accuracy sensing can be achieved. The display unit has a function of rewriting a display image only in a region that needs to be rewritten. In the case where the entire display region is not necessarily rewritten, the time for the sensing operation by the touch sensor unit can be lengthened, whereby the smooth input can be achieved.
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54.发明授权公开(公告)号：US11961871B2
公开(公告)日：2024-04-16
申请号：US17055383
申请日：2019-04-26
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Koji Kusunoki , Shingo Eguchi , Yosuke Tsukamoto , Kazunori Watanabe , Kouhei Toyotaka
CPC classification number: H01L27/156 , H01L33/005 , H01L33/62 , H01L2933/0066
Abstract: A display device with high resolution is provided. Manufacturing cost of a display device using a micro LED as a display element is reduced. The display device includes a substrate, a plurality of transistors, and a plurality of light-emitting diodes. The plurality of light-emitting diodes are provided in a matrix over the substrate. Each of the plurality of transistors are electrically connected to at least one of the plurality of light-emitting diodes. The plurality of light-emitting diodes are positioned closer to the substrate than the plurality of transistors are. The plurality of light-emitting diodes emit light to the opposite side of the substrate.
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公开(公告)号：US11882374B2
公开(公告)日：2024-01-23
申请号：US17441733
申请日：2021-02-17
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Kei Takahashi , Kouhei Toyotaka , Hidetomo Kobayashi
Abstract: The reading accuracy of an imaging device is increased. Clear image capturing is performed even in the case where the luminance is high. A reading circuit of the imaging device includes an amplifier portion and a conversion portion. The amplifier portion amplifies a potential difference between a first signal and a second signal that are sequentially input and outputs the amplified difference to the conversion portion. The conversion portion converts the output potential of the amplifier portion into a digital value. The amplifier portion is reset on the basis of a first reference potential and the first signal and amplifies the potential difference on the basis of a second reference potential that is different from the first reference potential and the second signal.
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Patent Agency Ranking
公开(公告)号：US11881489B2
公开(公告)日：2024-01-23
申请号：US17991893
申请日：2022-11-22
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Hisao Ikeda , Kouhei Toyotaka , Hideaki Shishido , Hiroyuki Miyake , Kohei Yokoyama , Yasuhiro Jinbo , Yoshitaka Dozen , Takaaki Nagata , Shinichi Hirasa
IPC: H01L27/02 , H10K59/35 , G09G3/20 , G09G3/3233 , H01L27/12 , H01L29/786 , H10K59/131 , G09G3/36 , G09G5/391
CPC classification number: H01L27/124 , G09G3/2003 , G09G3/3233 , H01L27/1225 , H01L27/1266 , H01L29/78648 , H10K59/131 , H10K59/352 , H10K59/353 , G09G3/3648 , G09G5/391 , G09G2300/0426 , G09G2300/0443 , G09G2300/0452 , G09G2300/0465 , G09G2300/0809 , G09G2300/0842 , G09G2320/0295 , G09G2320/043 , G09G2320/0693
Abstract: Provided is a display device with extremely high resolution, a display device with higher display quality, a display device with improved viewing angle characteristics, or a flexible display device. Same-color subpixels are arranged in a zigzag pattern in a predetermined direction. In other words, when attention is paid to a subpixel, another two subpixels exhibiting the same color as the subpixel are preferably located upper right and lower right or upper left and lower left. Each pixel includes three subpixels arranged in an L shape. In addition, two pixels are combined so that pixel units including subpixel are arranged in matrix of 3×2.
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公开(公告)号：US11817726B2
公开(公告)日：2023-11-14
申请号：US17879394
申请日：2022-08-02
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Koji Kusunoki , Toshiyuki Isa , Akihiro Chida , Kouhei Toyotaka , Ryota Tajima
CPC classification number: H02J7/0013 , H02J7/00032 , H02J7/00034 , H02J7/04 , H02J50/10 , H02J50/40 , H02J50/402 , H01F27/346 , H02J7/0048 , H02J7/02 , H02J50/12
Abstract: 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 battery under the determined charge condition.
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58.发明授权公开(公告)号：US11815775B2
公开(公告)日：2023-11-14
申请号：US17837711
申请日：2022-06-10
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kei Takahashi , Susumu Kawashima , Koji Kusunoki , Kouhei Toyotaka , Kazunori Watanabe
IPC: G02F1/1362 , G02F1/1368 , G02F1/137 , G09G3/36 , G09G3/20 , G02F1/133
CPC classification number: G02F1/136286 , G02F1/133 , G02F1/137 , G02F1/1368 , G09G3/20 , G09G3/2085 , G09G3/36 , G09G3/3611 , G09G3/3648 , G09G3/3655 , G09G3/3659 , G02F1/13793
Abstract: The display apparatus includes a data generation circuit, a source driver circuit, and a pixel. The source driver circuit is electrically connected to the pixel through first and second wirings. The pixel includes a display device that is a liquid crystal device, a potential of one electrode of the display device can be a potential of the first wiring, and a potential of the other electrode of the display device can be a potential of the second wiring. The image data generation circuit has a function of generating digital image data including first and second data. One of the first and second wirings is made to have a potential corresponding to first data, and the other of the first and second wirings is made to have a potential corresponding to the second data. The potential of the first wiring and the potential of the second wiring are interchanged.
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公开(公告)号：US11791344B2
公开(公告)日：2023-10-17
申请号：US17377787
申请日：2021-07-16
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kouhei Toyotaka , Kei Takahashi , Hideaki Shishido , Koji Kusunoki
IPC: H01L27/12 , H01L29/04 , H01L29/49 , H01L29/786 , H10K59/126 , H10K59/121
CPC classification number: H01L27/1225 , H01L27/124 , H01L27/1266 , H01L29/045 , H01L29/4908 , H01L29/7869 , H01L29/78648 , H10K59/126 , H10K59/1213
Abstract: A novel display device or the like in which a transistor connected to a scan line has small gate capacitance is provided. A novel display device or the like in which a scan line has low resistance is provided. A novel display device or the like in which pixels can be arranged with high density is provided. A novel display device or the like that can be manufactured without an increase in cost is provided. In a transistor including a first gate electrode and a second gate electrode, the first gate electrode is formed using a metal material with low resistance and the second gate electrode is formed using a metal oxide material that can reduce oxygen vacancies in an oxide semiconductor layer. The first gate electrode is connected to the scan line, and the second gate electrode is connected to a wiring to which a constant potential is supplied.
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公开(公告)号：US11783757B2
公开(公告)日：2023-10-10
申请号：US17562425
申请日：2021-12-27
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kei Takahashi , Koji Kusunoki , Kazunori Watanabe , Susumu Kawashima , Kouhei Toyotaka , Shunpei Yamazaki
IPC: G09G3/32 , H01L27/12 , H01L25/075 , H01L29/786 , H01L33/32
CPC classification number: G09G3/32 , H01L27/124 , H01L27/1225 , H01L27/1255 , G09G2300/0809 , G09G2310/0243 , G09G2310/06 , H01L25/0753 , H01L29/7869 , H01L33/32
Abstract: A novel display is provided. A display having a small change in chromaticity of a micro light-emitting diode in proportion to current density is provided. A display capable of reducing power consumption in the driver circuit when displaying a still image is provided. The display includes a plurality of pixels each including a display element and a microcontroller. The microcontroller includes a first transistor, a triangular wave generator circuit, a comparator, a switch, and a constant current circuit. The first transistor has a function of retaining a potential corresponding to data written to the pixel by being switched off. The triangular wave generator circuit has a function of generating a triangular wave signal. The comparator has a function of generating an output signal corresponding to the potential and the triangular wave signal. The switch has a function of controlling whether or not to make a current flowing in the constant current circuit flow to the display element in accordance with the output signal.
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