公开(公告)号：US20240069398A1

公开(公告)日：2024-02-29

申请号：US18388288

申请日：2023-11-09

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kei Takahashi ,  Susumu KAWASHIMA ,  Koji KUSUNOKI ,  Kouhei TOYOTAKA ,  Kazunori WATANABE

IPC: G02F1/1362 ,  G02F1/133 ,  G02F1/1368 ,  G02F1/137 ,  G09G3/20 ,  G09G3/36

CPC classification number: G02F1/136286 ,  G02F1/133 ,  G02F1/1368 ,  G02F1/137 ,  G09G3/20 ,  G09G3/2085 ,  G09G3/36 ,  G09G3/3611 ,  G09G3/3648 ,  G09G3/3655 ,  G09G3/3659 ,  G02F1/13793

Abstract: A 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.

公开(公告)号：US20240021150A1

公开(公告)日：2024-01-18

申请号：US18372738

申请日：2023-09-26

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Kei TAKAHASHI ,  Koji KUSUNOKI ,  Kazunori WATANABE ,  Susumu KAWASHIMA ,  Kouhei TOYOTAKA ,  Shunpei YAMAZAKI

IPC: G09G3/32 ,  H01L27/12

CPC classification number: G09G3/32 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1255 ,  G09G2300/0809 ,  G09G2310/0243 ,  G09G2310/06 ,  H01L25/0753

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.

公开(公告)号：US20230298537A1

公开(公告)日：2023-09-21

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

CPC classification number: G09G3/3677 ,  G06F3/0418 ,  G06F3/0443 ,  G02F1/1368

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：US20230176433A1

公开(公告)日：2023-06-08

申请号：US17041599

申请日：2019-03-19

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Shunpei YAMAZAKI ,  Kouhei TOYOTAKA ,  Satoshi YOSHIMOTO ,  Kazunori WATANABE ,  Susumu KAWASHIMA ,  Kei TAKAHASHI

IPC: G02F1/1362 ,  G09G3/36 ,  G09G3/32

CPC classification number: G02F1/136286 ,  G09G3/3648 ,  G09G3/32 ,  G02F1/1368

Abstract: Display data of pixels is updated at different timings. A scan line is connected to a first pixel and a second pixel, a first wiring is connected to the first pixel, and a second wiring is connected to the second pixel. In a first period, a signal for selecting the first pixel and the second pixel is supplied to the scan line. Setting data for setting a state where the display data of the first pixel is updated is supplied to the first wiring, and setting data for setting a state where the display data of the second pixel is updated is supplied to the second wiring. In a second period, a signal for selecting the first pixel and the second pixel is supplied to the scan line. Setting data for setting a state where the display data of the first pixel is not updated is supplied to the first wiring, and the setting data for setting the state where the display data of the second pixel is updated is supplied to the second wiring. In a third period, the first pixel displays first display data, and the second pixel displays second display data.

公开(公告)号：US20230155199A1

公开(公告)日：2023-05-18

申请号：US18093833

申请日：2023-01-06

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kazutaka KURIKI ,  Ryota TAJIMA ,  Kouhei TOYOTAKA ,  Hideaki SHISHIDO ,  Toshiyuki ISA

IPC: H01M10/48 ,  G06N3/04 ,  H01M10/44 ,  H02J7/00 ,  G06N3/065

CPC classification number: H01M10/482 ,  G06N3/04 ,  H01M10/441 ,  H01M10/486 ,  H02J7/0013 ,  H02J7/0047 ,  H02J7/007 ,  G06N3/065

Abstract: A power storage system with excellent characteristics is provided. A power storage system with a high degree of safety is provided. A power storage system with less deterioration is provided. A storage battery with excellent characteristics is provided. The power storage system includes a neural network and a storage battery. The neural network includes an input layer, an output layer, and one or more hidden layers between the input layer and the output layer. The predetermined hidden layer is connected to the previous hidden layer or the previous input layer by a predetermined weight coefficient, and connected to the next hidden layer or the next output layer by a predetermined weight coefficient. In the storage battery, voltage and time at which the voltage is obtained are measured as one of sets of data. The sets of data measured at different times are input to the input layer and the operational condition of the storage battery is changed in accordance with a signal output from the output layer.

公开(公告)号：US20220299831A1

公开(公告)日：2022-09-22

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

Abstract: A display apparatus in which a high voltage can be supplied to a display device is provided. 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 functioning as signal lines. 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. In the case where image data corresponding to the digital image data is supplied to the pixel, 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 first data. The potential of the first wiring and the potential of the second wiring are interchanged so that frame inversion driving or the like can be performed.

公开(公告)号：US20220284976A1

公开(公告)日：2022-09-08

申请号：US17749309

申请日：2022-05-20

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Seiko AMANO ,  Kouhei TOYOTAKA ,  Hiroyuki MIYAKE ,  Aya MIYAZAKI ,  Hideaki SHISHIDO ,  Koji KUSUNOKI

IPC: G11C19/28 ,  H03K19/00 ,  G11C19/18 ,  H01L25/03 ,  H05K7/02 ,  G09G3/36 ,  H01L27/12

Abstract: An object is to provide a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit. A pulse signal output circuit according to one embodiment of the disclosed invention includes first to tenth transistors. The ratio W/L of the channel width W to the channel length L of the first transistor and W/L of the third transistor are each larger than W/L of the sixth transistor. W/L of the fifth transistor is larger than W/L, of the sixth transistor. W/L of the fifth transistor is equal to W/L of the seventh transistor. W/L of the third transistor is larger than W/L of the fourth transistor. With such a structure, a pulse signal output circuit capable of operating stably and a shift register including the pulse signal output circuit can be provided.

公开(公告)号：US20220037475A1

公开(公告)日：2022-02-03

申请号：US17279735

申请日：2019-10-22

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kouhei TOYOTAKA ,  Hideki UOCHI

IPC: H01L29/26 ,  H01L27/088 ,  H02M7/10 ,  H01L27/06

Abstract: A semiconductor device and the like with low power consumption are provided. In a semiconductor device including an electrostatic actuator group, an OS transistor and a capacitor are provided in each electrostatic actuator, and a power supply voltage supplied from the outside is boosted in each electrostatic actuator. The use of the OS transistor can retain the boosted voltage for a long period even after the supply of the power supply voltage is stopped. The use of the OS transistor can miniaturize the capacitor.

公开(公告)号：US20210366381A1

公开(公告)日：2021-11-25

申请号：US17393429

申请日：2021-08-04

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Susumu KAWASHIMA ,  Koji KUSUNOKI ,  Kazunori WATANABE ,  Kouhei TOYOTAKA ,  Kei TAKAHASHI ,  Kentaro HAYASHI ,  Shunpei YAMAZAKI

IPC: G09G3/3225 ,  H01L27/32 ,  H01L29/786

Abstract: A display device that can display a high-luminance image is provided. The display device includes a display element and a memory circuit which is electrically connected to a first wiring and a second wiring. First, a reference potential is supplied to the first wiring. Next, a first image signal is supplied to the memory circuit through the second wiring. Then, the second image signal is added to the first image signal by supplying the second image signal to the memory circuit through the first wiring. After that, an image obtained by superimposing an image corresponding to the first image signal and an image corresponding to the second image signal on each other is displayed with the display element.

公开(公告)号：US20210343755A1

公开(公告)日：2021-11-04

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

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.