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    • 2. 发明申请
    • DISPLAY DEVICE
    • 显示设备
    • US20090322663A1
    • 2009-12-31
    • US12408874
    • 2009-03-23
    • Masaki NoseTomohisa ShingaiHirokata Uehara
    • Masaki NoseTomohisa ShingaiHirokata Uehara
    • G09G3/36
    • G09G3/3629G02F1/13718G09G3/2014G09G3/2081G09G3/3614G09G2300/0486G09G2310/063
    • A display device with low power consumption capable of canceling the collapse of gradation and skip of gradation in a high gradation part and a low gradation part and of displaying an even gradation in a wide range has been disclosed. The display device comprises a display element of dot matrix type having a display material with memory properties, a drive circuit that drives a pixel of the display element, and a control circuit that controls the drive circuit, wherein the control circuit executes an initialization step for applying a voltage pulse to initialize a pixel to be rewritten to bring the pixel into an initialization state and a gradation step for applying a voltage pulse to change the gradation state of a pixel, and in the gradation step, an alternating voltage pulse is formed in a pixel to be rewritten and the period and voltage of the alternating voltage pulse are varied in accordance with a gradation to be written.
    • 已经公开了一种具有低消耗能力的显示装置,其能够抵消高等级部分和低等级部分中的灰度级别和灰度级的跳过,并且在宽范围内显示均匀灰度。 该显示装置包括具有存储特性的显示材料的点矩阵型显示元件,驱动显示元件的像素的驱动电路和控制驱动电路的控制电路,其中控制电路执行初始化步骤 施加电压脉冲以初始化要重写的像素以使像素进入初始化状态;以及灰度级步骤,用于施加电压脉冲以改变像素的灰度状态,并且在灰度级中,形成交流电压脉冲 要重写的像素和交变电压脉冲的周期和电压根据要写入的灰度而变化。
    • 8. 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。