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161.发明申请公开(公告)号：US20210257681A1
公开(公告)日：2021-08-19
申请号：US17253650
申请日：2019-06-11
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Kei TAKAHASHI , Toshiyuki ISA , Ryo YAMAUCHI , Koji KUSUNOKI
IPC: H01M10/48 , G01R31/3835 , H01M10/0525 , H01M10/42
Abstract: The cost of hardware and the cost of calculation are reduced in the case where a plurality of assembled batteries are used. The amount of change in the voltage of each battery constituting an assembled battery is sequentially measured with a voltage monitor and abnormality is detected from the correlation between the amounts of changes in the voltages of batteries at the same period. Furthermore, abnormality is detected on the basis of the amounts of changes up to the previous step. Inference is made by a reference parameter acquisition system using an IIR filter or an FIR filter.
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公开(公告)号：US20210174734A1
公开(公告)日：2021-06-10
申请号：US16768720
申请日：2018-12-11
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kei TAKAHASHI , Koji KUSUNOKI , Kazunori WATANABE , Susumu KAWASHIMA , Kouhei TOYOTAKA , Shunpei YAMAZAKI
IPC: G09G3/32 , H01L25/075 , H01L33/32 , H01L27/105 , H01L27/12 , H01L29/786
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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163.发明申请公开(公告)号：US20210173249A1
公开(公告)日：2021-06-10
申请号：US16771360
申请日：2018-12-10
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Susumu KAWASHIMA , Koji KUSUNOKI , Kazunori WATANABE , Kei TAKAHASHI , Shunpei YAMAZAKI
IPC: G02F1/1345 , G02F1/133 , G02F1/1368
Abstract: A liquid crystal display device including a pixel containing a first memory circuit, a second memory circuit, and a liquid crystal element is provided. The first memory circuit includes a first capacitor. One electrode of the first capacitor is electrically connected to one electrode of the liquid crystal element. The second memory circuit includes a second capacitor. One electrode of the second capacitor is electrically connected to the one electrode of the liquid crystal element. The first memory circuit has a function of storing a charge corresponding to a first signal. The second memory circuit has a function of storing a charge corresponding to a second signal. A voltage is applied to the liquid crystal element by supplying a third signal to the other electrode of the first capacitor and supplying a fourth signal to the other electrode of the second capacitor, whereby an image is displayed.
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公开(公告)号：US20210159435A1
公开(公告)日：2021-05-27
申请号：US15734635
申请日：2019-05-23
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Shunpei YAMAZAKI , Satoshi SEO , Koji KUSUNOKI , Kei TAKAHASHI
IPC: H01L51/50 , H01L27/32 , G09G3/3225
Abstract: A display device having a high display quality is provided. A display device that can perform desired display without image data conversion is provided. The display device includes a first pixel. The first pixel includes a first light-emitting element, a color conversion layer, and a first memory circuit. The first light-emitting element exhibits blue light. The color conversion layer has a function of converting light emitted by the first light-emitting element into light having a longer wavelength. A first image signal and a first correction signal are supplied to the first pixel. The first memory circuit has a function of retaining the first correction signal and a function of adding the first correction signal to the first image signal. The first pixel has a function of displaying an image using the first image signal and the first correction signal.
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公开(公告)号：US20210005637A1
公开(公告)日：2021-01-07
申请号：US17023863
申请日：2020-09-17
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kouhei TOYOTAKA , Kei TAKAHASHI , Hideaki SHISHIDO , Koji KUSUNOKI
IPC: H01L27/12 , H01L29/04 , H01L29/49 , H01L29/786
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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Patent Agency Ranking
公开(公告)号：US20200310187A1
公开(公告)日：2020-10-01
申请号：US16846519
申请日：2020-04-13
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Kei TAKAHASHI
IPC: G02F1/1345 , G06F3/044 , H01L29/786 , G02F1/1368 , H01L27/12
Abstract: A display device with a narrow frame is provided. A display device with high visibility is provided. A display device with low power consumption is provided. A novel display device is provided.A structure having a stack structure in which a gate driver including a first transistor and a common driver including a second transistor which includes a metal oxide in its channel formation region are stacked has been conceived. Because the gate driver has a larger area than the common driver, part of the gate driver may be formed on the same plane as the common driver.
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公开(公告)号：US20200258921A1
公开(公告)日：2020-08-13
申请号：US16760495
申请日：2018-10-29
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kei TAKAHASHI , Susumu KAWASHIMA , Koji KUSUNOKI , Kazunori WATANABE
Abstract: To provide a display device having a small circuit area and low power consumption. The display device includes a semiconductor device and a D/A converter circuit, and the semiconductor device includes first to third transistors and first and second capacitors. A first terminal of the first transistor is electrically connected to a first terminal of the first capacitor. A first terminal of the second transistor is electrically connected to a gate of the third transistor, a second terminal of the first capacitor, and a first terminal of the second capacitor. A first terminal of the third transistor is electrically connected to a second terminal of the second capacitor. An output terminal of the D/A converter circuit is electrically connected to a second terminal of the first transistor and a second terminal of the second transistor. Supply of a potential to the first terminal of the first capacitor changes(finely adjusts) the potential of the gate of the third transistor to be more precise than a potential that can be output from the D/A converter circuit.
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公开(公告)号：US20200051211A1
公开(公告)日：2020-02-13
申请号：US16500535
申请日：2018-04-09
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Masataka SHIOKAWA , Kei TAKAHASHI , Yuji IWAKI , Hiromichi GODO
Abstract: An image processing method that generates high-resolution image data from low-resolution image data and an image receiving apparatus that is operated by the image processing method are provided.In the image processing method that generates high-resolution image data from low-resolution image data, the low-resolution image data is divided to generate a plurality of first image data, among the plurality of first image data, one of two adjacent image data is second image data, and the other is third image data. Surroundings of the second image data are supplemented with pixel data to generate fourth image data. The pixel data includes part of the third image data. A convolutional neural network using the fourth image data as an input is implemented, fifth image data is output from the convolutional neural network, and a plurality of the fifth image data is combined to generate high-resolution image data. The image receiving apparatus is operated by the image processing method.
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公开(公告)号：US20200034105A1
公开(公告)日：2020-01-30
申请号：US16590732
申请日：2019-10-02
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor： Kensuke YOSHIZUMI , Yuichi YANAGISAWA , Kei TAKAHASHI
IPC: G06F3/14 , G06F3/147 , H01L27/146 , H01L51/00
Abstract: Provided is a display device or a display system capable of displaying images along a curved surface, a display device or a display system capable of displaying images seamlessly in the form of a ring, or a display device or a display system that is suitable for increasing in size. The display device includes a display panel. The display panel includes a first part and a second part and is flexible. The first part can display images. The second part can transmit visible light. The display panel is curved so that the second part and the first part overlap with each other.
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公开(公告)号：US20200004357A1
公开(公告)日：2020-01-02
申请号：US16489716
申请日：2018-02-26
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor： Shintaro HARADA , Yoshiyuki KUROKAWA , Takeshi AOKI , Yuki OKAMOTO , Hiroki INOUE , Koji KUSUNOKI , Yosuke TSUKAMOTO , Katsuki YANAGAWA , Kei TAKAHASHI , Shunpei YAMAZAKI
Abstract: 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.
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