公开(公告)号：US10388380B2

公开(公告)日：2019-08-20

申请号：US15823662

申请日：2017-11-28

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hikaru Tamura

IPC: G11C16/10 ,  G11C7/16 ,  G11C7/10 ,  G11C11/40

Abstract: Provided is a semiconductor device capable of reducing its area, operating at a high speed, or reducing its power consumption. A circuit 50 is used as a memory circuit with a function of performing an arithmetic operation. One of a circuit 80 and a circuit 90 has a region overlapping with at least part of the other of the circuit 80 and the circuit 90. Accordingly, the circuit 50 can perform the arithmetic operation that is essentially performed in the circuit 60; thus, a burden of the arithmetic operation on the circuit 60 can be reduced. Moreover, the number of times of data transmission and reception between the circuits 50 and 60 can be reduced. Furthermore, the circuit 50 functioning as a memory circuit can have a function of performing an arithmetic operation while the increase in the area of the circuit 50 is suppressed.

公开(公告)号：US09985069B2

公开(公告)日：2018-05-29

申请号：US14740720

申请日：2015-06-16

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yoshiyuki Kurokawa ,  Takayuki Ikeda ,  Hikaru Tamura ,  Munehiro Kozuma

IPC: H01L29/10 ,  H01L27/146 ,  G02F1/1362 ,  H04N5/378 ,  H01L27/12 ,  G02F1/133

CPC classification number: H01L27/14643 ,  G02F1/1362 ,  G02F2001/13312 ,  H01L27/1225 ,  H01L27/14632 ,  H01L27/1464 ,  H04N5/378

Abstract: An object is to achieve low-power consumption by reducing the off-state current of a transistor in a photosensor. A semiconductor device including a photosensor having a photodiode, a first transistor, and a second transistor; and a read control circuit including a read control transistor, in which the photodiode has a function of supplying charge based on incident light to a gate of the first transistor; the first transistor has a function of storing charge supplied to its gate and converting the charge stored into an output signal; the second transistor has a function of controlling reading of the output signal; the read control transistor functions as a resistor converting the output signal into a voltage signal; and semiconductor layers of the first transistor, the second transistor, and the read control transistor are formed using an oxide semiconductor.

公开(公告)号：US09629205B2

公开(公告)日：2017-04-18

申请号：US14297887

申请日：2014-06-06

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hikaru Tamura

IPC: H05B6/66 ,  A47J36/24 ,  H05B6/64 ,  H02J7/00 ,  H02J17/00

CPC classification number: H05B6/645 ,  H02J7/00 ,  H02J7/025 ,  H02J17/00 ,  H02J50/20 ,  H02J50/23 ,  H05B6/6402 ,  H05B6/66

Abstract: A temperature control device which can control the temperature of an object to be processed even after supply of radio waves or electromagnetic waves from a high-frequency heating apparatus is stopped. The temperature control device includes a temperature sensor detecting the temperature of the object to be processed heated by radio waves generated from the high-frequency heating apparatus, a signal processing circuit comparing the temperature detected by the temperature sensor with a standard temperature, a rechargeable battery charged by electric energy generated by reception of the radio waves by an antenna, a charging circuit controlling charging of the rechargeable battery, and a heater supplied with electric power from the rechargeable battery to heat the object to be processed so that the temperature thereof gets closer to the standard temperature, in accordance with a comparison result by the signal processing circuit.

公开(公告)号：US09515107B2

公开(公告)日：2016-12-06

申请号：US14986119

申请日：2015-12-31

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Yoshiyuki Kurokawa ,  Takayuki Ikeda ,  Hikaru Tamura ,  Munehiro Kozuma ,  Masataka Ikeda ,  Takeshi Aoki

IPC: H04N5/355 ,  H01L27/146 ,  H01L29/786 ,  H01L31/105

CPC classification number: H01L27/14616 ,  H01L27/14603 ,  H01L27/14632 ,  H01L27/14636 ,  H01L27/14643 ,  H01L29/7869 ,  H01L31/1055 ,  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.

公开(公告)号：US09134864B2

公开(公告)日：2015-09-15

申请号：US13900884

申请日：2013-05-23

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hikaru Tamura

IPC: G06F3/044 ,  G06F1/32

CPC classification number: G06F3/044 ,  G06F1/3218 ,  G06F1/3231 ,  G06F1/3296 ,  Y02D10/172 ,  Y02D10/173

Abstract: To simplify an operation at the time when a controller which can control a touch panel returns to the normal mode. The touch panel includes a capacitive sensor having a pair of electrodes. The controller includes a control switch controlling supply of a potential to one electrode of the capacitive sensor; a current detection circuit detecting current flowing through the other electrode of the capacitive sensor; a power source circuit controlling supply of power source voltage to the current detection circuit; a power supply start switch including a power supply selection transistor whose gate potential is changed in accordance with a potential of the one of the pair of electrodes and controlling output of the power supply start signal to the power source circuit in accordance with a gate potential of the power supply selection transistor; and a control circuit controlling the control switch and the power source circuit.

Abstract translation: 为了简化在控制触摸面板的控制器返回正常模式时的操作。 触摸面板包括具有一对电极的电容传感器。 所述控制器包括：控制开关，其控制向所述电容式传感器的一个电极供电; 检测流过电容式传感器的另一个电极的电流的电流检测电路; 控制向电流检测电路供给电源电压的电源电路; 电源启动开关，其包括电源选择晶体管，其栅极电位根据所述一对电极中的所述一个电极的电位而改变，并且根据所述电源电路的栅极电位控制所述电源电路的输出 电源选择晶体管; 以及控制电路来控制控制开关和电源电路。

公开(公告)号：US20130257798A1

公开(公告)日：2013-10-03

申请号：US13796818

申请日：2013-03-12

Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD

Inventor： Hikaru Tamura ,  Yoshiyuki Kurokawa ,  Jiro Imada ,  Toshiki Hamada

IPC: G06F3/041

CPC classification number: G06F3/0418 ,  G06F3/044

Abstract: Malfunction of a large-sized touchscreen is prevented. In particular, malfunction of a large-sized touchscreen is prevented by reduction of wiring delay between a detection region and a controller. In a touchscreen, in which a detection area is divided, including a plurality of detection regions and a plurality of sensors, controllers are provided for the respective divided detection regions, and all the controllers are electrically connected to one central control device. It is preferable that a wiring between each of the divided detection regions and the corresponding controller be shorter than a wiring between the controller and the central control device.

Abstract translation: 防止了大尺寸触摸屏的故障。 特别地，通过减少检测区域和控制器之间的布线延迟来防止大尺寸触摸屏的故障。 在其中检测区域被分割的触摸屏中，包括多个检测区域和多个传感器，为各个划分的检测区域提供控制器，并且所有控制器电连接到一个中央控制装置。 优选的是，每个划分的检测区域和相应的控制器之间的布线比控制器和中央控制装置之间的布线短。

公开(公告)号：US11430820B2

公开(公告)日：2022-08-30

申请号：US17223248

申请日：2021-04-06

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Takeshi Aoki ,  Yoshiyuki Kurokawa ,  Takayuki Ikeda ,  Hikaru Tamura

IPC: H01L27/146 ,  G09G3/36 ,  H01L29/786

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.

公开(公告)号：US11239268B2

公开(公告)日：2022-02-01

申请号：US16902124

申请日：2020-06-15

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Takeshi Aoki ,  Yoshiyuki Kurokawa ,  Takayuki Ikeda ,  Hikaru Tamura

IPC: H01L27/146 ,  G09G3/36 ,  H01L29/786

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.

公开(公告)号：US10964393B2

公开(公告)日：2021-03-30

申请号：US16521784

申请日：2019-07-25

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Hikaru Tamura

IPC: G11C16/10 ,  G11C7/10 ,  G11C7/16 ,  G11C11/40

Abstract: Provided is a semiconductor device capable of reducing its area, operating at a high speed, or reducing its power consumption. A circuit 50 is used as a memory circuit with a function of performing an arithmetic operation. One of a circuit 80 and a circuit 90 has a region overlapping with at least part of the other of the circuit 80 and the circuit 90. Accordingly, the circuit 50 can perform the arithmetic operation that is essentially performed in the circuit 60; thus, a burden of the arithmetic operation on the circuit 60 can be reduced. Moreover, the number of times of data transmission and reception between the circuits 50 and 60 can be reduced. Furthermore, the circuit 50 functioning as a memory circuit can have a function of performing an arithmetic operation while the increase in the area of the circuit 50 is suppressed.

公开(公告)号：US10685992B2

公开(公告)日：2020-06-16

申请号：US16161209

申请日：2018-10-16

Applicant: Semiconductor Energy Laboratory Co., Ltd.

Inventor： Takeshi Aoki ,  Yoshiyuki Kurokawa ,  Takayuki Ikeda ,  Hikaru Tamura

IPC: H01L27/146 ,  G09G3/36 ,  H01L29/786

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.