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公开(公告)号:US20250029648A1
公开(公告)日:2025-01-23
申请号:US18715300
申请日:2022-12-05
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor: Yoshiyuki KUROKAWA , Masashi FUJITA , Kazuaki OHSHIMA
IPC: G11C11/405 , H10B12/00
Abstract: A semiconductor device with a novel structure is provided. The semiconductor device includes a register. The register includes a flip-flop and a plurality of data retention circuits. The flip-flop includes a first transistor in which a semiconductor layer including a channel formation region is silicon, an input terminal of the flip-flop is electrically connected to each of output terminals of the data retention circuits, and an output terminal of the flip-flop is electrically connected to each of input terminals of the data retention circuits. The data retention circuits include a second transistor in which a semiconductor layer including a channel formation region is an oxide semiconductor, and when the second transistor is in a non-conduction state, the data retention circuits have a function of retaining a potential corresponding to data corresponding to a plurality of tasks. A state control portion rewrites data that the flip-flop has on the basis of data retained in the data retention circuits in accordance with the plurality of tasks executed by a processor core.
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公开(公告)号:US20240256037A1
公开(公告)日:2024-08-01
申请号:US18594319
申请日:2024-03-04
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Yoshiyuki KUROKAWA , Hiromichi GODO , Kouhei TOYOTAKA , Kazuki TSUDA , Satoru OHSHITA , Hidefumi RIKIMARU
IPC: G06F3/01 , G02B27/01 , G09G3/00 , G09G3/3225 , H01L27/12 , H01L29/786 , H10K59/121
CPC classification number: G06F3/013 , G02B27/0172 , G09G3/002 , G09G3/3225 , H10K59/1213 , G02B2027/0178 , G09G2354/00 , G09G2360/14 , H01L27/1225 , H01L27/1251 , H01L27/1255 , H01L29/78648 , H01L29/78651 , H01L29/7869
Abstract: To provide a novel electronic device. The electronic device includes a housing and a display device. The display device includes a first layer, a second layer, and a third layer. The first layer, the second layer, and the third layer are provided in different layers. The first layer includes a driver circuit and an arithmetic circuit. The second layer includes pixel circuits and a cell array. The third layer includes light-receiving devices and light-emitting devices. The pixel circuits each have a function of controlling light emission of the light-emitting device. The driver circuit has a function of controlling the pixel circuits. The arithmetic circuit has a function of performing arithmetic processing on the basis of first data corresponding to currents output from the light-receiving devices and second data corresponding to a potential held in the cell array.
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公开(公告)号:US20240006424A1
公开(公告)日:2024-01-04
申请号:US18232424
申请日:2023-08-10
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor: Takeshi AOKI , Yoshiyuki KUROKAWA , Takayuki IKEDA , Hikaru TAMURA
IPC: H01L27/146 , G09G3/36 , H01L29/786
CPC classification number: H01L27/14603 , G09G3/3648 , H01L27/14641 , H01L27/14612 , H01L27/14616 , H01L27/14625 , H01L27/14636 , H01L27/14643 , H01L29/7869 , G09G2354/00
Abstract: An object is to provide a pixel structure of a display device including a photosensor which prevents changes in an output of the photosensor and a decrease in imaging quality. The display device has a pixel layout structure in which a shielding wire is disposed between an FD and an imaging signal line (a PR line, a TX line, or an SE line) or between the FD and an image-display signal line in order to reduce or eliminate parasitic capacitance between the FD and a signal line for the purpose of suppressing changes in the potential of the FD. An imaging power supply line, image-display power supply line, a GND line, a common line, or the like whose potential is fixed, such as a common potential line, is used as a shielding wire.
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公开(公告)号:US20230387147A1
公开(公告)日:2023-11-30
申请号:US18231871
申请日:2023-08-09
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Takayuki IKEDA , Yoshiyuki KUROKAWA , Shintaro HARADA , Hidetomo KOBAYASHI , Roh YAMAMOTO , Kiyotaka KIMURA , Takashi NAKAGAWA , Yusuke NEGORO
IPC: H01L27/146 , H01L27/12 , H01L29/786 , H04N25/40 , H04N25/77 , H04N25/766
CPC classification number: H01L27/14605 , H01L27/1225 , H01L27/14612 , H01L27/14643 , H01L29/7869 , H04N25/40 , H04N25/77 , H04N25/766
Abstract: An imaging device capable of image processing is provided. The imaging device can retain analog data (image data) obtained by an image-capturing operation in a pixel and perform a product-sum operation of the analog data and a predetermined weight coefficient in the pixel to convert the data into binary data. When the binary data is taken in a neural network or the like, processing such as image recognition can be performed. Since enormous volumes of image data can be retained in pixels in the state of analog data, processing can be performed efficiently.
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公开(公告)号:US20230386544A1
公开(公告)日:2023-11-30
申请号:US18245098
申请日:2021-09-07
Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.
Inventor: Hiromichi GODO , Yoshiyuki KUROKAWA , Kazuki TSUDA , Satoru OHSHITA
CPC classification number: G11C11/223 , G11C11/221 , G11C11/2297 , H10B53/30 , H10B51/30 , H01L29/40111 , H01L29/78391
Abstract: A semiconductor device with low power consumption is provided. The semiconductor device includes a first transistor, a second transistor, and a capacitor. The first transistor includes a first gate and a first back gate, and the second transistor includes a second gate and a second back gate. A gate insulating layer for the first back gate has ferroelectricity. The first transistor has a function of, when being in an off state, retaining a first potential corresponding to first data. The second transistor has a function of making an output current flow between a source and a drain of the second transistor.
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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.
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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
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.
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公开(公告)号:US20230049977A1
公开(公告)日:2023-02-16
申请号:US17785510
申请日:2020-12-14
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor: Yoshiyuki KUROKAWA , Munehiro KOZUMA , Takeshi AOKI , Takuro KANEMURA
IPC: G06N3/063 , G11C11/405 , H01L27/108 , H01L27/12 , H01L29/786 , G06F7/544
Abstract: A semiconductor device that has low power consumption and is capable of performing arithmetic operation is provided. The semiconductor device includes first to third circuits and first and second cells. The first cell includes a first transistor, and the second cell includes a second transistor. The first and second transistors operate in a subthreshold region. The first cell is electrically connected to the first circuit, the first cell is electrically connected to the second and third circuits, and the second cell is electrically connected to the second and third circuits. The first cell sets current flowing from the first circuit to the first transistor to a first current, and the second cell sets current flowing from the second circuit to the second transistor to a second current. At this time, a potential corresponding to the second current is input to the first cell. Then, a sensor included in the third circuit supplies a third current to change a potential of the second wiring, whereby the first cell outputs a fourth current corresponding to the first current and the amount of change in the potential.
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公开(公告)号:US20220077205A1
公开(公告)日:2022-03-10
申请号:US17517705
申请日:2021-11-03
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor: Yuki OKAMOTO , Yoshiyuki KUROKAWA , Hiroki INOUE , Takuro OHMARU
IPC: H01L27/146 , H01L21/8234 , H04N5/225 , H01L27/12 , H01L27/088 , H01L29/786 , H01L31/075
Abstract: A solid-state imaging device with high productivity and improved dynamic range is provided. In the imaging device including a photoelectric conversion element having an i-type semiconductor layer, functional elements, and a wiring, an area where the functional elements and the wiring overlap with the i-type semiconductor in a plane view is preferably less than or equal to 35%, further preferably less than or equal to 15%, and still further preferably less than or equal to 10% of the area of the i-type semiconductor in a plane view. Plural photoelectric conversion elements are provided in the same semiconductor layer, whereby a process for separating the respective photoelectric conversion elements can be reduced. The respective i-type semiconductor layers in the plural photoelectric conversion elements are separated by a p-type semiconductor layer or an n-type semiconductor layer.
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公开(公告)号:US20220020793A1
公开(公告)日:2022-01-20
申请号:US17490009
申请日:2021-09-30
Applicant: Semiconductor Energy Laboratory Co., Ltd.
Inventor: Yoshiyuki KUROKAWA , Takayuki IKEDA , Hikaru TAMURA , Munehiro KOZUMA , Masataka IKEDA , Takeshi AOKI
IPC: H01L27/146 , H01L29/786 , H01L31/105 , H04N5/361 , H04N5/374 , H04N5/378
Abstract: In a CMOS image sensor in which a plurality of pixels is arranged in a matrix, a transistor in which a channel formation region includes an oxide semiconductor is used for each of a charge accumulation control transistor and a reset transistor which are in a pixel portion. After a reset operation of the signal charge accumulation portion is performed in all the pixels arranged in the matrix, a charge accumulation operation by the photodiode is performed in all the pixels, and a read operation of a signal from the pixel is performed per row. Accordingly, an image can be taken without a distortion.
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