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    • 6. 发明申请
    • LOGIC CIRCUIT AND SEMICONDUCTOR DEVICE
    • 逻辑电路和半导体器件
    • US20110089975A1
    • 2011-04-21
    • US12901057
    • 2010-10-08
    • Shunpei YAMAZAKIJun KOYAMAMasashi TSUBUKUKosei NODA
    • Shunpei YAMAZAKIJun KOYAMAMasashi TSUBUKUKosei NODA
    • H03K19/08H01L29/12
    • H01L29/7869H01L22/34H01L27/0207H01L27/1225H01L29/78696H01L2924/0002H01L2924/00
    • A logic circuit includes a thin film transistor having a channel formation region formed using an oxide semiconductor, and a capacitor having terminals one of which is brought into a floating state by turning off the thin film transistor. The oxide semiconductor has a hydrogen concentration of 5×1019 (atoms/cm3) or less and thus substantially serves as an insulator in a state where an electric field is not generated. Therefore, off-state current of a thin film transistor can be reduced, leading to suppressing the leakage of electric charge stored in a capacitor, through the thin film transistor. Accordingly, a malfunction of the logic circuit can be prevented. Further, the excessive amount of current which flows in the logic circuit can be reduced through the reduction of off-state current of the thin film transistor, resulting in low power consumption of the logic circuit.
    • 逻辑电路包括具有使用氧化物半导体形成的沟道形成区域的薄膜晶体管,以及通过关闭薄膜晶体管而使端子中的一个成为浮置状态的电容器。 氧化物半导体的氢浓度为5×1019(原子/ cm3)以下,因此在不产生电场的状态下基本上用作绝缘体。 因此,可以减小薄膜晶体管的截止电流,从而通过薄膜晶体管抑制存储在电容器中的电荷的泄漏。 因此,可以防止逻辑电路的故障。 此外,可以通过减小薄膜晶体管的截止电流来降低在逻辑电路中流动的过量的电流,导致逻辑电路的低功耗。
    • 10. 发明申请
    • DISPLAY DEVICE AND MANUFACTURING METHOD THEREOF
    • 显示装置及其制造方法
    • US20120287359A1
    • 2012-11-15
    • US13461809
    • 2012-05-02
    • Shunpei YAMAZAKIJun KOYAMA
    • Shunpei YAMAZAKIJun KOYAMA
    • G02F1/1343
    • G02F1/1347G02B27/2214G02B27/2264H04N13/31H04N13/315
    • A display device includes a display panel and a shutter panel provided on a viewable side of the display panel. The shutter panel includes a plurality of first transparent electrodes provided over a first substrate, a plurality of second transparent electrodes provided over a second substrate, and a liquid crystal provided between the first substrate and the second substrate. The first transparent electrodes and the second transparent electrodes are arranged in striped patterns in a first direction and are both spaced in a second direction intersecting the first direction. Potentials of the first transparent electrodes and potentials of the second transparent electrodes are controlled to adjust an alignment of the liquid crystal, so that the shutter panel is provided with light-shielding regions arranged in a striped pattern in the first direction and spaced in the second direction and light-transmitting regions each of which is provided between the light-shielding regions.
    • 显示装置包括显示面板和设置在显示面板的可视侧的快门面板。 快门面板包括设置在第一基板上的多个第一透明电极,设置在第二基板上的多个第二透明电极以及设置在第一基板和第二基板之间的液晶。 第一透明电极和第二透明电极在第一方向上以条纹图案布置,并且在与第一方向相交的第二方向上都间隔开。 控制第一透明电极的电位和第二透明电极的电位以调节液晶的对准,使得快门面板设置有在第一方向上以条纹图案排列的光屏蔽区域,并且在第二透明电极 方向和透光区域设置在遮光区域之间。