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    • 7. 发明申请
    • LIQUID CRYSTAL DISPLAY DEVICE
    • 液晶显示装置
    • US20100073343A1
    • 2010-03-25
    • US12628560
    • 2009-12-01
    • Tomohisa ShingaiMasaki Nose
    • Tomohisa ShingaiMasaki Nose
    • G09G3/36G09G5/00
    • G09G3/3696G02F1/13473G09G3/3629G09G2300/023G09G2300/0486G09G2330/02G09G2330/021
    • A LCD device, in which a multi-grayscale level state is produced in a liquid crystal layer by applying a different voltage thereto, includes a liquid crystal display panel having the liquid crystal layer between first and second electrodes, an electrode drive circuit applying drive voltage pulses generated from multi-voltage power sources to the first and the second electrodes, and a multi-voltage power generator circuit. The LCD device further includes a multi-voltage power switch circuit supplying the first or the second multi-voltage power sources from the first or the second multi-voltage power units to the electrode drive circuit, and a control circuit, in a first drive step, setting the first multi-voltage power unit to an active state, and, in a second drive step, setting the second multi-voltage power unit to the active state.
    • 通过施加不同电压而在液晶层中产生多灰度等级状态的LCD装置包括:在第一和第二电极之间具有液晶层的液晶显示面板,施加驱动电压的电极驱动电路 从多电压电源向第一和第二电极产生的脉冲,以及多电压发电机电路。 该LCD装置还包括一个多电压电源开关电路,将第一或第二多电压电源从第一或第二多电压电源单元提供给电极驱动电路,以及控制电路,在第一驱动步骤 将第一多电压动力单元设定为活动状态,在第二驱动步骤中,将第二多电压动力单元设定为活动状态。