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    ELECTRONIC DEVICE
    2.
    发明公开
    ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20240138167A1

    公开(公告)日：2024-04-25

    申请号：US18278199

    申请日：2022-02-24

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Hiromichi GODO ,  Yoshiyuki KUROKAWA ,  Kouhei TOYOTAKA ,  Kazuki TSUDA ,  Satoru OHSHITA ,  Hidefumi RIKIMARU

    IPC: H10K39/34 ,  G06F3/01 ,  G09G3/3208 ,  H10K59/65

    CPC classification number: H10K39/34 ,  G06F3/013 ,  G09G3/3208 ,  H10K59/65 ,  G09G2330/021 ,  G09G2354/00 ,  G09G2360/14

    Abstract: An electronic device having an eye tracking function is provided. The electronic device includes a display device and an optical system. The display device includes a first light-emitting element, a second light-emitting element, a sensor portion, and a driver circuit portion. The sensor portion includes a light-receiving element. The first light-emitting element has a function of emitting infrared light or visible light. The second light-emitting element has a function of emitting light of a color different from that of light emitted from the first light-emitting element. When the first light-emitting element emits infrared light, the light-receiving element has a function of detecting the infrared light that is emitted from the first light-emitting element and reflected by an eyeball of a user. When the first light-emitting element emits visible light, the light-receiving element has a function of detecting the visible light that is emitted from the first light-emitting element and reflected by the eyeball of the user. The first light-emitting element and the second light-emitting element are placed in one layer. The layer where the first light-emitting element and the second light-emitting element are positioned overlaps with the sensor portion.

    ELECTRONIC DEVICE
    3.
    发明公开
    ELECTRONIC DEVICE 审中-公开

    公开(公告)号：US20240237374A9

    公开(公告)日：2024-07-11

    申请号：US18278199

    申请日：2022-02-24

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Hiromichi GODO ,  Yoshiyuki KUROKAWA ,  Kouhei TOYOTAKA ,  Kazuki TSUDA ,  Satoru OHSHITA ,  Hidefumi RIKIMARU

    IPC: H10K39/34 ,  G06F3/01 ,  G09G3/3208 ,  H10K59/65

    CPC classification number: H10K39/34 ,  G06F3/013 ,  G09G3/3208 ,  H10K59/65 ,  G09G2330/021 ,  G09G2354/00 ,  G09G2360/14

    Abstract: An electronic device having an eye tracking function is provided. The electronic device includes a display device and an optical system. The display device includes a first light-emitting element, a second light-emitting element, a sensor portion, and a driver circuit portion. The sensor portion includes a light-receiving element. The first light-emitting element has a function of emitting infrared light or visible light. The second light-emitting element has a function of emitting light of a color different from that of light emitted from the first light-emitting element. When the first light-emitting element emits infrared light, the light-receiving element has a function of detecting the infrared light that is emitted from the first light-emitting element and reflected by an eyeball of a user. When the first light-emitting element emits visible light, the light-receiving element has a function of detecting the visible light that is emitted from the first light-emitting element and reflected by the eyeball of the user. The first light-emitting element and the second light-emitting element are placed in one layer. The layer where the first light-emitting element and the second light-emitting element are positioned overlaps with the sensor portion.

    SEMICONDUCTOR DEVICE
    5.
    发明公开
    SEMICONDUCTOR DEVICE 审中-公开

    公开(公告)号：US20230317176A1

    公开(公告)日：2023-10-05

    申请号：US18188678

    申请日：2023-03-23

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Yoshiyuki KUROKAWA ,  Satoru OHSHITA ,  Hidefumi RIKIMARU

    IPC: G11C16/26 ,  G11C16/10

    CPC classification number: G11C16/26 ,  G11C16/10

    Abstract: A semiconductor device having a novel structure is provided. The semiconductor device includes memory layers and a driver circuit layer. The memory layers are stacked over the driver circuit layer and each include a memory cell array including a plurality of memory cells. Writing or reading of data to or from one of the memory cells is controlled with a write word line, a read word line, a write bit line, and a read bit line. The driver circuit layer includes a driver circuit portion configured to drive the write word line, the read word line, the write bit line, and the read bit line; and an arithmetic circuit portion. The driver circuit portion includes a plurality of driver circuits configured to control data writing or reading on the memory cell array basis. The arithmetic circuit portion is a circuit configured to perform arithmetic processing using the data retained in the memory cell array provided in each of the memory layers and read through the driver circuit portion.

    SEMICONDUCTOR DEVICE
    7.
    发明公开
    SEMICONDUCTOR DEVICE 审中-公开

    公开(公告)号：US20230284429A1

    公开(公告)日：2023-09-07

    申请号：US18016745

    申请日：2021-07-19

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Hiromichi GODO ,  Kazuki TSUDA ,  Yoshiyuki KUROKAWA ,  Satoru OHSHITA ,  Takuro KANEMURA ,  Hidefumi RIKIMARU

    IPC: H10B12/00 ,  G11C11/405 ,  G11C11/54

    CPC classification number: H10B12/00 ,  G11C11/405 ,  G11C11/54

    Abstract: Provided is a semiconductor device having a novel structure. A first transistor, a second transistor, a third transistor, and a capacitor are included. The first transistor has a function of retaining a first potential corresponding to first data supplied to a gate of the third transistor through the first transistor when being in an off state. The capacitor has a function of changing the first potential retained in the gate of the third transistor into a second potential in accordance with a change in potential corresponding to second data supplied to one electrode of the capacitor. The second transistor has a function of setting a potential of one of a source and a drain of the third transistor to a potential corresponding to a potential of a gate of the second transistor. The third transistor has a function of supplying output current corresponding to a potential of the gate of the third transistor to the other of the source and the drain of the third transistor. The output current is current flowing when the third transistor operates in a subthreshold region.

    Control Circuit Of Secondary Battery And Electronic Device
    8.
    发明公开
    Control Circuit Of Secondary Battery And Electronic Device 审中-公开

    公开(公告)号：US20230273637A1

    公开(公告)日：2023-08-31

    申请号：US18024198

    申请日：2021-08-25

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Yoshiyuki KUROKAWA ,  Kazuki TSUDA ,  Hiromichi GODO ,  Satoru OHSHITA ,  Takuro KANEMURA ,  Hidefumi RIKIMARU ,  Takayuki IKEDA ,  Yuto YAKUBO ,  Shunpei YAMAZAKI

    IPC: G05F3/24 ,  H01M10/42

    CPC classification number: G05F3/24 ,  H01M10/425

    Abstract: A control circuit of a secondary battery with a novel structure is provided. The control circuit of a secondary battery includes a first transistor, a first voltage generation circuit generating a first voltage, and a second voltage generation circuit generating a second voltage. The first voltage generation circuit includes a second transistor and a first capacitor. The second voltage generation circuit includes a third transistor and a second capacitor. The difference between the first voltage and the second voltage is set in accordance with the threshold voltage of the first transistor. When the first transistor includes a back gate, a voltage retention circuit having a function of retaining the voltage of the back gate is included. The voltage retention circuit includes a fourth transistor and a third capacitor. The third capacitor includes a ferroelectric layer between a pair of electrodes. The third capacitor retains a voltage applied to the back gate by being applied with a voltage for polarization inversion in the ferroelectric layer.

    SEMICONDUCTOR DEVICE
    9.
    发明公开
    SEMICONDUCTOR DEVICE 审中-公开

    公开(公告)号：US20240234310A1

    公开(公告)日：2024-07-11

    申请号：US18560959

    申请日：2022-05-13

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Yoshiyuki KUROKAWA ,  Hiromichi GODO ,  Kazuki TSUDA ,  Kouhei TOYOTAKA ,  Satoru OHSHITA ,  Hidefumi RIKIMARU ,  Hideki UOCHI

    IPC: H01L23/528 ,  H01L29/24

    CPC classification number: H01L23/528 ,  H01L29/24

    Abstract: A novel semiconductor device is provided. In reservoir computing using an input layer, a reservoir layer, and an output layer, variation in threshold voltage between transistors is used as a weight used for product arithmetic processing. Two transistors are provided in one product arithmetic circuit and data u is supplied to gates of the two transistors. Drain current of each of the transistors is determined by the data u and the threshold voltage of the transistor. The difference between the drain currents corresponds to a product arithmetic result. The difference between the drain currents is converted into voltage to be output. A plurality of product arithmetic circuits are connected in parallel to form a product-sum arithmetic circuit.

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