公开(公告)号：US11313910B2

公开(公告)日：2022-04-26

申请号：US16645980

申请日：2018-09-05

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Toshiyuki Isa ,  Koji Kusunoki ,  Akihiro Chida ,  Kouhei Toyotaka ,  Ryota Tajima

IPC: G01R31/367 ,  G01R31/3842 ,  G01R31/389 ,  H01M10/0525 ,  H01M10/42

Abstract: An anomaly detection system for a secondary battery which detects the remaining capacity of the secondary battery on an electric vehicle, cautions against the secondary battery with anomalous characteristics, stops using the secondary battery, changes the secondary battery, or changes charging conditions of the secondary battery is provided. The anomaly detection system is provided; the system compares a value obtained by estimating internal resistance or SOC of a secondary battery based on the measured value of a current or a voltage of the secondary battery with the use of a nonlinear Kalman filter and a value input to an anomaly detection system (network) of AI to predict a change in the internal resistance; the system regards a case where the difference is large as an anomaly; and the system detects an anomaly.

公开(公告)号：US11302278B2

公开(公告)日：2022-04-12

申请号：US16644103

申请日：2018-09-04

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Susumu Kawashima ,  Koji Kusunoki ,  Kazunori Watanabe ,  Kouhei Toyotaka ,  Naoto Kusumoto ,  Shunpei Yamazaki

IPC: G09G3/36 ,  G02F1/1362 ,  G02F1/1368 ,  H01L27/105 ,  H01L27/12 ,  H01L29/24 ,  H01L29/786

Abstract: A display device capable of performing image processing is provided. A memory node is provided in each pixel included in the display device. An intended correction data is held in the memory node. The correction data is calculated by an external device and written into each pixel. The correction data is added to image data by capacitive coupling, and the resulting data is supplied to a display element. Thus, the display element can display a corrected image. The correction enables image upconversion, for example.

公开(公告)号：US11289031B2

公开(公告)日：2022-03-29

申请号：US17191807

申请日：2021-03-04

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei Yamazaki ,  Jun Koyama ,  Hiroyuki Miyake ,  Kouhei Toyotaka

IPC: G09G3/34 ,  G09G3/36 ,  G09G3/20

Abstract: A liquid crystal display device comprising a backlight and a pixel portion including first to 2n-th scan lines, wherein, in a first case of expressing a color image, first pixels controlled by the first to n-th scan lines are configured to express a first image using at least one of first to third hues supplied in a first rotating order, and second pixels controlled by the (n+1)-th to 2n-th scan lines are configured to express a second image using at least one of the first to third hues supplied in a second rotating order, wherein, in a second case of expressing a monochrome image, the first and second pixels controlled by the first to 2n-th scan lines are configured to express the monochrome image by external light reflected by the reflective pixel electrode, and wherein the first rotating order is different from the second rotating order.

公开(公告)号：US11205387B2

公开(公告)日：2021-12-21

申请号：US16810101

申请日：2020-03-05

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hidetomo Kobayashi ,  Kouhei Toyotaka

IPC: G09G3/3266 ,  G09G3/34 ,  G09G3/36 ,  G09G3/3233 ,  H01L27/32

Abstract: A display device that can be easily and more flexibly designed is provided. The display device includes a pixel circuit and a driver circuit in a display portion. The driver circuit includes a plurality of pulse output circuits. Each of the plurality of pulse output circuits has a function of driving a gate line. The pixel circuit is electrically connected to the gate line. Each of the plurality of pulse output circuits includes a first transistor. The pixel circuit includes a second transistor. A layer including the second transistor is over a layer including the first transistor, and the first transistor and the second transistor overlap with each other.

公开(公告)号：US11183137B2

公开(公告)日：2021-11-23

申请号：US16970779

申请日：2019-02-13

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kouhei Toyotaka ,  Kazunori Watanabe ,  Susumu Kawashima

IPC: G09G3/36

Abstract: A display apparatus that operates at high speed is provided. The display apparatus includes a display portion provided with a pixel, and the display portion has a function of displaying a first-color image and a second-color image. A first period in which first image data and first data are written to the pixel, a second period in which the first-color image corresponding to the first image data is displayed on the display portion, a third period in which second image data is generated in the pixel on the basis of the first image data and the first data, and a fourth period in which the second-color image corresponding to the second image data is displayed on the display portion are included.

公开(公告)号：US11100855B2

公开(公告)日：2021-08-24

申请号：US16772912

申请日：2018-12-19

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kazunori Watanabe ,  Kei Takahashi ,  Susumu Kawashima ,  Kouhei Toyotaka ,  Koji Kusunoki

IPC: G09G3/36 ,  G09G5/00 ,  G09G3/3225 ,  H01L27/12 ,  G02F1/1368 ,  H01L27/32

Abstract: A display device capable of improving image quality is provided.
A first pixel circuit and a second pixel circuit are included; a memory node is provided in each pixel circuit and a first signal can be retained in the memory node. The first signal is added to a second signal by capacitive coupling, and then can be supplied to a display element. Thus, the display device can display a corrected image. Furthermore, the first pixel circuit and the second pixel circuit share a signal line, whereby the aperture ratio of a pixel can be increased.

公开(公告)号：US11081048B2

公开(公告)日：2021-08-03

申请号：US16539019

申请日：2019-08-13

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kouhei Toyotaka

IPC: G09G3/3233 ,  G09G3/20

Abstract: A display device includes a plurality of pulse output circuits each of which outputs signals to one of the two kinds of scan lines and a plurality of inverted pulse output circuits each of which outputs, to the other of the two kinds of scan lines, inverted or substantially inverted signals of the signals output from the pulse output circuits. Each of the plurality of inverted pulse output circuits operates with at least two kinds of signals used for the operation of the plurality of pulse output circuits. Thus, through current generated in the inverted pulse output circuits can be reduced.

公开(公告)号：US10930237B2

公开(公告)日：2021-02-23

申请号：US15819347

申请日：2017-11-21

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Susumu Kawashima ,  Kouhei Toyotaka ,  Kei Takahashi

IPC: G09G3/36 ,  G06F3/041 ,  G02F1/1333 ,  G02F1/1368 ,  G06F3/044

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.

公开(公告)号：US10217772B2

公开(公告)日：2019-02-26

申请号：US15959566

申请日：2018-04-23

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hideaki Shishido ,  Hiroyuki Miyake ,  Kouhei Toyotaka ,  Makoto Kaneyasu

IPC: H01L27/12 ,  H01L27/32 ,  G02F1/1343 ,  G02F1/1362 ,  G09G3/36 ,  G09G3/20 ,  H01L33/62

Abstract: Provided is a display device with high resolution, high display quality, or high aperture ratio. A pixel includes three subpixels and is electrically connected to two gate lines. One of the gate lines is electrically connected to a gate of a transistor included in each of the two subpixels, and the other gate line is electrically connected to a gate of a transistor included in the other subpixel. Display elements of the three subpixels are arranged in the same direction. Three pixel electrodes of the three subpixels are arranged in the same direction.

公开(公告)号：US10141053B2

公开(公告)日：2018-11-27

申请号：US14264359

申请日：2014-04-29

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kouhei Toyotaka

IPC: G06F1/32 ,  G11C14/00

Abstract: To reduce power consumption of a processing device including a processor and a main memory in the processor. The main memory includes not only a volatile memory such as a DRAM but also a nonvolatile memory. The processor monitors access requirements to the main memory. The processor determines on the basis of the monitoring results whether the volatile memory or the nonvolatile memory operates mainly. In the case where the main memory changes from the volatile memory to the nonvolatile memory, part or all of data stored in the volatile memory is backed up to the nonvolatile memory. While the nonvolatile memory operates mainly, supply of power supply voltage to the volatile memory is stopped or power supply voltage to be supplied is lowered.