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    • 9. 发明申请
    • PIXEL UNIT FOR A DISPLAY DEVICE AND DRIVING METHOD THEREOF
    • 用于显示设备的像素单元及其驱动方法
    • US20100007591A1
    • 2010-01-14
    • US12170631
    • 2008-07-10
    • Cheng-Chi YenHon-Yuan LeoJu-Tien ChengYen-Chen Chen
    • Cheng-Chi YenHon-Yuan LeoJu-Tien ChengYen-Chen Chen
    • G09G3/36
    • G09G3/3614G09G3/3655G09G2320/0238
    • A pixel unit and driving method thereof are disclosed. The pixel unit includes a switch, a storage element and a first multiplexer. The switch develops a charge transfer path according to a scan signal associated with a scan line. The storage element has a first electrode coupled to the switch and a second electrode coupled to a reference voltage for receiving a pixel voltage via the charge transfer path. The first multiplexer is coupled to the second electrode of the storage element for selectively providing the reference voltage with a default value and the reference voltage with a determined value to the second electrode of the storage element according to a modulating signal. The driving method enlarges the voltage range of the first electrode of the storage element for enhancing the contrast ratio of the display panel.
    • 公开了像素单元及其驱动方法。 像素单元包括开关,存储元件和第一多路复用器。 开关根据与扫描线相关联的扫描信号产生电荷转移路径。 存储元件具有耦合到开关的第一电极和耦合到参考电压的第二电极,用于经由电荷传输路径接收像素电压。 第一多路复用器耦合到存储元件的第二电极,用于根据调制信号选择性地将具有默认值的参考电压和具有确定值的参考电压提供给存储元件的第二电极。 驱动方法扩大了用于提高显示面板的对比度的存储元件的第一电极的电压范围。