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    • 115. 发明授权
    • Semiconductor device
    • 半导体器件
    • US08710505B2
    • 2014-04-29
    • US13556908
    • 2012-07-24
    • Hajime Kimura
    • Hajime Kimura
    • H01L29/04H01L31/20H01L31/036H01L31/0376
    • H01L27/1255H05B33/0887
    • Adverse effects of variation in threshold voltage are reduced. In a semiconductor device, electric charge is accumulated in a capacitor provided between a gate and a source of a transistor, and then, the electric charge accumulated in the capacitor is discharged; thus, the threshold voltage of the transistor is obtained. After that, current flows to a load. In the semiconductor device, the potential of one terminal of the capacitor is set higher than the potential of a source line, and the potential of the source line is set lower than the potential of a power supply line and the cathode side potential of the load.
    • 降低阈值电压变化的不利影响。 在半导体装置中,电荷蓄积在设置在晶体管的栅极和源极之间的电容器中,然后累积在电容器中的电荷被放电; 从而获得晶体管的阈值电压。 之后,电流流向负载。 在半导体器件中,将电容器的一个端子的电位设置为高于源极线的电位,并且将源极线的电位设置为低于电源线的电位和负载的阴极侧电位 。
    • 116. 发明授权
    • Display device
    • 显示设备
    • US08698155B2
    • 2014-04-15
    • US13924735
    • 2013-06-24
    • Semiconductor Energy Laboratory Co., Ltd.
    • Shunpei YamazakiHajime Kimura
    • H01L29/04H01L31/036H01L31/0376H01L31/20
    • G09G3/3696G02F1/1368
    • The time taken to write a signal to a pixel is shortened in a display device. Further, a signal is written at high speed even when high voltage is applied. The display device includes a pixel including a transistor and a liquid crystal element electrically connected to a source or a drain of the transistor. The transistor includes an intrinsic or substantially intrinsic oxide semiconductor as a semiconductor material and has an off-state current of 1×10−17 A/μm or less. The pixel does not include a capacitor. Since it is not necessary to provide a capacitor, the time taken to write a signal can be shortened.
    • 在显示装置中缩短向像素写入信号所花费的时间。 此外,即使施加高电压,也以高速写入信号。 显示装置包括像素,该像素包括晶体管和与晶体管的源极或漏极电连接的液晶元件。 晶体管包括作为半导体材料的本征或本质上为本征的氧化物半导体,并且具有1×10 17 A /μm以下的截止电流。 像素不包括电容器。 由于不需要提供电容器,所以可以缩短写入信号所花费的时间。