公开(公告)号：US11733574B2

公开(公告)日：2023-08-22

申请号：US16956623

申请日：2018-12-25

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kouhei Toyotaka ,  Kazunori Watanabe ,  Susumu Kawashima ,  Kei Takahashi ,  Koji Kusunoki ,  Masataka Nakada ,  Ami Sato

IPC: G02F1/1368 ,  G02F1/1362

CPC classification number: G02F1/1368 ,  G02F1/136227

Abstract: A liquid crystal display device with a high aperture ratio is provided. The display device includes a transistor, a first insulating layer, a second insulating layer, a third insulating layer, a first conductive layer, a pixel electrode, a common electrode, and a liquid crystal layer in a pixel. The first insulating layer is positioned over a channel formation region of the transistor. The first conductive layer is positioned over the first insulating layer. The second insulating layer is positioned over the transistor, the first insulating layer, and the first conductive layer. The pixel electrode is positioned over the second insulating layer, the third insulating layer is positioned over the pixel electrode, the common electrode is positioned over the third insulating layer, and the liquid crystal layer is positioned over the common electrode. The common electrode includes a region overlapping with the first conductive layer with the pixel electrode positioned therebetween. The pixel includes a first connection portion where the pixel electrode is electrically connected to the transistor and a second connection portion where the first conductive layer is electrically connected to the common electrode. The first conductive layer, the pixel electrode, and the common electrode each have a function of transmitting visible light.

公开(公告)号：US11676555B2

公开(公告)日：2023-06-13

申请号：US17836244

申请日：2022-06-09

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 ,  G02F1/1368 ,  G02F1/13338 ,  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.

公开(公告)号：US11645992B2

公开(公告)日：2023-05-09

申请号：US16981185

申请日：2019-03-21

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kouhei Toyotaka ,  Shigeru Onoya ,  Marina Hiyama

IPC: G09G3/36

CPC classification number: G09G3/3688 ,  G09G2330/021

Abstract: A display device in which high voltage can be applied to a display element is provided. A display element includes a pixel provided with a display element including a pixel electrode and a common electrode, and the pixel is electrically connected to a first data line and a second data line. Supply of a first potential to the pixel through the first data line and supply of a second potential to the pixel through the second data line are performed concurrently, and then a third potential is supplied to the pixel through the second data line, whereby the first potential held in the pixel is changed to a fourth potential, and the fourth potential is applied to the pixel electrode. Here, the second potential is a potential calculated based on the first potential. When the value of the second potential is less than or equal to a potential applied to the common electrode, the third potential is higher than the potential applied to the common electrode. In contrast, when the value of the second potential is greater than or equal to the potential applied to the common electrode, the third potential is lower than the potential applied to the common electrode.

公开(公告)号：US11594770B2

公开(公告)日：2023-02-28

申请号：US16603487

申请日：2018-04-20

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kazutaka Kuriki ,  Ryota Tajima ,  Kouhei Toyotaka ,  Hideaki Shishido ,  Toshiyuki Isa

IPC: H01M10/48 ,  G06N3/04 ,  G06N3/063 ,  H01M10/44 ,  H02J7/00

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：US11575013B2

公开(公告)日：2023-02-07

申请号：US17279735

申请日：2019-10-22

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

Inventor： Kouhei Toyotaka ,  Hideki Uochi

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

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：US11475832B2

公开(公告)日：2022-10-18

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: G09G3/32 ,  G09G3/30 ,  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：US11431199B2

公开(公告)日：2022-08-30

申请号：US16753872

申请日：2018-10-24

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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

IPC: H02J7/00 ,  H02J50/10 ,  H02J50/40 ,  H02J7/04 ,  H01F27/34

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 batten under the determined charge condition.

公开(公告)号：US11423855B2

公开(公告)日：2022-08-23

申请号：US16771246

申请日：2018-12-11

Applicant: Semiconductor Energy Laboratory Co., Ltd.

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

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

Abstract: 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.

公开(公告)号：US11308910B2

公开(公告)日：2022-04-19

申请号：US16850401

申请日：2020-04-16

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hiroyuki Miyake ,  Kouhei Toyotaka ,  Shunpei Yamazaki

IPC: G09G3/36 ,  G02F1/1333 ,  G02F1/1345 ,  G02F1/1368 ,  G02F1/1343 ,  G11C19/28 ,  H01L27/12

Abstract: To provide a semiconductor device including a narrowed bezel obtained by designing a gate driver circuit. A gate driver of a display device includes a shift register unit, a demultiplexer circuit, and n signal lines. By connecting the n signal lines for transmitting clock signals to one stage of the shift register unit, (n−3) output signals can be output. The larger n becomes, the smaller the rate of signal lines for transmitting clock signals which do not contribute to output becomes; accordingly, the area of the shift register unit part is small compared to a conventional structure in which one stage of a shift register unit outputs one output signal. Therefore, the gate driver circuit can have a narrow bezel.

公开(公告)号：US11217190B2

公开(公告)日：2022-01-04

申请号：US16770998

申请日：2018-12-13

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

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

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

Abstract: 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).