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    Liquid crystal display device and driving method thereof
    111.
    发明授权
    Liquid crystal display device and driving method thereof 有权
    液晶显示装置及其驱动方法

    公开(公告)号：US09105256B2

    公开(公告)日：2015-08-11

    申请号：US14244218

    申请日：2014-04-03

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Ryo Arasawa ,  Kouhei Toyotaka

    IPC: G09G3/36 ,  H01L27/12

    CPC classification number: G09G3/3696 ,  G09G3/3614 ,  G09G2320/0247 ,  G09G2320/103 ,  G09G2330/021 ,  G09G2340/16 ,  H01L27/1225

    Abstract: Disclosed is a liquid crystal display device and a driving method thereof for displaying an image, in which the polarity of a voltage applied to the liquid crystal element is inverted in a first frame period and a second frame period which are sequential. The voltage applied to the liquid crystal element is compensated in the case where images of the first frame period and the second frame period are judged as a still image as a result of comparison of the image of the first frame period with the image of the second frame period and the absolute value of the voltage applied to the liquid crystal element in the first frame period is different from that of the voltage applied to the liquid crystal element in the second frame period.

    Abstract translation: 公开了一种用于显示图像的液晶显示装置及其驱动方法，其中施加到液晶元件的电压的极性在顺序的第一帧周期和第二帧周期中反转。 作为第一帧周期的图像与第二帧周期的图像的比较的结果，在第一帧周期和第二帧周期的图像被判断为静止图像的情况下，施加到液晶元件的电压被补偿 并且在第一帧周期中施加到液晶元件的电压的绝对值与在第二帧周期中施加到液晶元件的电压的绝对值不同。

    SEMICONDUCTOR DEVICE
    113.
    发明申请
    SEMICONDUCTOR DEVICE 审中-公开
    半导体器件

    公开(公告)号：US20140325249A1

    公开(公告)日：2014-10-30

    申请号：US14264359

    申请日：2014-04-29

    Applicant: SEMICONDUCTOR ENERGY LABORATORY CO., LTD.

    Inventor： Kouhei Toyotaka

    IPC: G11C14/00 ,  G06F1/32

    CPC classification number: G11C14/0018 ,  G06F1/3268 ,  G06F1/3275 ,  Y02D10/13 ,  Y02D10/14 ,  Y02D10/154

    Abstract: To reduce power consumption of a processing device including a processor and a main memory in the processor. The main memory includes not only a volatile memory such as a DRAM but also a nonvolatile memory. The processor monitors access requirements to the main memory. The processor determines on the basis of the monitoring results whether the volatile memory or the nonvolatile memory operates mainly. In the case where the main memory changes from the volatile memory to the nonvolatile memory, part or all of data stored in the volatile memory is backed up to the nonvolatile memory. While the nonvolatile memory operates mainly, supply of power supply voltage to the volatile memory is stopped or power supply voltage to be supplied is lowered.

    Abstract translation: 为了减少处理器中包括处理器和主存储器的处理设备的功耗。 主存储器不仅包括诸如DRAM的易失性存储器，还包括非易失性存储器。 处理器监视对主存储器的访问要求。 处理器基于监视结果确定易失性存储器或非易失性存储器是否主要操作。 在主存储器从易失性存储器改变为非易失性存储器的情况下，存储在易失性存储器中的部分或全部数据被备份到非易失性存储器。 当非易失性存储器主要操作时，停止向易失性存储器供应电源电压或降低要供应的电源电压。

    PULSE SIGNAL OUTPUT CIRCUIT AND SHIFT REGISTER
    114.
    发明申请
    PULSE SIGNAL OUTPUT CIRCUIT AND SHIFT REGISTER 有权
    脉冲信号输出电路和移位寄存器

    公开(公告)号：US20140301045A1

    公开(公告)日：2014-10-09

    申请号：US14245097

    申请日：2014-04-04

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Seiko Amano ,  Kouhei Toyotaka ,  Hiroyuki Miyake ,  Aya Miyazaki ,  Hideaki Shishido ,  Koji Kusunoki

    IPC: G11C19/18 ,  H05K7/02 ,  H01L25/03 ,  G11C19/28 ,  H03K19/00

    CPC classification number: G11C19/28 ,  G09G3/3677 ,  G09G3/3696 ,  G09G2300/0809 ,  G09G2310/0286 ,  G11C19/184 ,  H01L25/03 ,  H01L27/1222 ,  H01L27/1225 ,  H01L27/124 ,  H01L27/1251 ,  H01L27/127 ,  H01L27/1288 ,  H01L2924/0002 ,  H03K19/0013 ,  H05K7/02 ,  H01L2924/00

    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.

    Abstract translation: 目的在于提供能够稳定运行的脉冲信号输出电路和包括脉冲信号输出电路的移位寄存器。 根据所公开的发明的一个实施例的脉冲信号输出电路包括第一至第十晶体管。 沟道宽度W与第一晶体管的沟道长度L和第三晶体管的W / L的比W / L分别大于第六晶体管的W / L。 第五晶体管的W / L大于第六晶体管的W / L。 第五晶体管的W / L等于第七晶体管的W / L。 第三晶体管的W / L大于第四晶体管的W / L。 通过这样的结构，可以提供能够稳定运行的脉冲信号输出电路和包括脉冲信号输出电路的移位寄存器。

    Display device
    115.
    发明授权
    Display device 有权
    显示设备

    公开(公告)号：US08847933B2

    公开(公告)日：2014-09-30

    申请号：US13687744

    申请日：2012-11-28

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Kouhei Toyotaka

    IPC: G09G5/00 ,  G09G3/30

    CPC classification number: G09G3/30 ,  G09G3/3233 ,  G09G3/3266 ,  G09G2300/0819 ,  G09G2300/0852 ,  G09G2300/0861 ,  G09G2310/0262 ,  G09G2310/0267 ,  G09G2310/0286 ,  G09G2320/043 ,  G09G2330/021 ,  G11C19/28 ,  Y02B20/343 ,  Y02B20/346

    Abstract: To reduce power consumption of a display device including a scan line driver circuit formed using either n-channel transistors or p-channel transistors when the scan line driver circuit outputs, to one of two kinds of scan lines, inverted or substantially inverted signals of signals output to the other of the two kinds of scan lines. The display device includes a plurality of pulse output circuits each of which outputs a signal to one of two kinds of scan lines and a plurality of inverted pulse output circuits each of which outputs, to the other of the two kinds of scan lines, an inverted or substantially inverted signal output from the each of the pulse output circuits. The plurality of inverted pulse output circuits operate with signals used for the operation of the plurality of pulse output circuits. Thus, through current generated in the inverted pulse output circuits can be reduced.

    Abstract translation: 为了降低显示装置的功耗，包括当扫描线驱动电路输出时，使用n沟道晶体管或p沟道晶体管形成的扫描线驱动电路，将两个扫描线中的一个扫描线反转或基本上反相的信号信号 输出到两种扫描线中的另一条。 显示装置包括多个脉冲输出电路，每个脉冲输出电路向两种扫描线之一输出信号，多个反相脉冲输出电路分别向两条扫描线中的另一条输出反相 或基本上反相的信号从每个脉冲输出电路输出。 多个反相脉冲输出电路与用于多个脉冲输出电路的操作的信号一起工作。 因此，可以减少在反相脉冲输出电路中产生的电流。

    Display apparatus including light-emitting device and light-receiving device
    116.
    发明授权
    Display apparatus including light-emitting device and light-receiving device 有权

    公开(公告)号：US12245485B2

    公开(公告)日：2025-03-04

    申请号：US17699623

    申请日：2022-03-21

    Applicant: Semiconductor Energy Laboratory Co., Ltd.

    Inventor： Yoshiyuki Kurokawa ,  Kouhei Toyotaka ,  Satoru Ohshita ,  Daisuke Kubota

    IPC: H10K59/35 ,  H10K59/65

    Abstract: A high-resolution display apparatus having a function of sensing light is provided. The display apparatus includes a display portion in which a first arrangement pattern and a second arrangement pattern are repeatedly arranged in this order in a first direction. In the first arrangement pattern, a first subpixel, a second subpixel, and a third subpixel are repeatedly arranged in this order in a second direction. In the second arrangement pattern, a fourth subpixel and a fifth subpixel are repeatedly arranged in this order in the second direction. The first to fourth subpixels each include a light-emitting device. The fifth subpixel includes a light-receiving device.

    Display device, display module, and electronic device
    119.
    发明授权
    Display device, display module, and electronic device 有权

    公开(公告)号：US11940703B2

    公开(公告)日：2024-03-26

    申请号：US18202557

    申请日：2023-05-26

    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.

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