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    • 32. 发明申请
    • Display device
    • 显示设备
    • US20070001985A1
    • 2007-01-04
    • US11514841
    • 2006-09-05
    • Hideo SatoShigeyuki NishitaniToshio Miyazawa
    • Hideo SatoShigeyuki NishitaniToshio Miyazawa
    • G09G3/36
    • G09G3/3611G09G2310/0289H03K19/018571
    • The present invention provides a display device which is capable of fetching input signals of a small amplitude into the inside thereof. A level converting circuit includes a first-conductive-type first transistor having a gate electrode to which input signals are applied through a first capacitive element, a second-conductive-type second transistor having a gate electrode to which input signals are applied through a second capacitive element, a first bias circuit which applies a first bias voltage to the gate electrode of the first transistor and a second bias circuit which applies a second bias voltage to the gate electrode of the second transistor. Here, the first bias voltage is a voltage which turns off the first transistor when a voltage applied to the gate electrode of the first transistor assumes a maximum value and the second bias voltage is a voltage which turns off the second transistor when a voltage applied to the gate electrode of the second transistor assumes a minimum value.
    • 本发明提供一种能够将小振幅的输入信号取入其内部的显示装置。 电平转换电路包括具有栅电极的第一导电型第一晶体管,通过第一电容元件施加输入信号;第二导电型第二晶体管,具有栅电极,通过第二导体型第二晶体管施加输入信号 电容元件,向第一晶体管的栅电极施加第一偏置电压的第一偏置电路和向第二晶体管的栅电极施加第二偏置电压的第二偏置电路。 这里,第一偏置电压是当施加到第一晶体管的栅电极的电压呈现最大值时第一晶体管截止的电压,并且第二偏置电压是当施加到第一晶体管的电压时关闭第二晶体管的电压 第二晶体管的栅电极呈现最小值。