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    • 8. 发明申请
    • Liquid crystal display device
    • 液晶显示装置
    • US20060119755A1
    • 2006-06-08
    • US11290993
    • 2005-11-29
    • Michiru SendaMitsugu KobayashiYusuke Tsutsui
    • Michiru SendaMitsugu KobayashiYusuke Tsutsui
    • G02F1/1343
    • G09G3/3614G09G3/3648G09G3/3688G09G2320/0209
    • An LCD device driven with storage capacitors prevents defective image display caused by capacitive coupling between data lines and storage capacitor lines. The LCD device includes pixel electrodes arranged at intersections between drain lines and gate lines, switching elements, storage capacitor lines corresponding to the gate lines, storage capacitors having first electrodes connected to the pixel electrodes and second electrodes connected to the storage capacitor lines, a switching circuit for selectively applying a potential to the storage capacitor lines, and a drain driver. The drain driver selects some of the data lines so that an equal number of image data signals having a positive polarity and image data signals having a negative polarity are provided to the selected data lines and simultaneously provides the selected data lines with the image data signals having a positive polarity and the image data signals having a negative polarity.
    • 用存储电容驱动的LCD设备可防止数据线和存储电容线之间的电容耦合引起的图像显示不良。 LCD装置包括排列在漏极线和栅极线之间的交点处的像素电极,开关元件,对应于栅极线的保持电容线,具有连接到像素电极的第一电极的存储电容器和连接到辅助电容线的第二电极, 用于选择性地将电位施加到辅助电容线的电路和漏极驱动器。 漏极驱动器选择一些数据线,使得具有正极性的相等数量的图像数据信号和具有负极性的图像数据信号被提供给所选择的数据线,并且同时向所选择的数据线提供具有 正极性和具有负极性的图像数据信号。
    • 9. 发明授权
    • Driving apparatus for display device
    • 显示装置用驱动装置
    • US07196701B2
    • 2007-03-27
    • US09823927
    • 2001-03-29
    • Yusuke TsutsuiMakoto KitagawaMitsugu KobayashiHisao Uehara
    • Yusuke TsutsuiMakoto KitagawaMitsugu KobayashiHisao Uehara
    • G09G5/00
    • G09G3/3611G09G3/3696G09G2330/021
    • A power supply circuit (300) for a display device such as a liquid crystal outputs a boosted supply voltage VDD2 during normal operation, and generates a non-boosted supply voltage VDD2 having a voltage lower than that during the normal display operation by controlling the switches for switching the output within the power supply circuit (300) during a power save mode. The non-boosted supply voltage is supplied to the analog circuits of a driving circuit (100) so that the power consumption at the analog circuits is reduced. By controlling the switch for switching the output within the power supply circuit and the supply of the power supply clock, the circuit can be switched, in the power save mode, to either a mode where a lower supply voltage is generated or to a mode where the power supply is turned off.
    • 用于诸如液晶的显示装置的电源电路(300)在正常操作期间输出升压的电源电压VDD 2,并且通过控制产生具有低于正常显示操作期间电压的非升压电源电压VDD 2 用于在节电模式期间切换电源电路(300)内的输出的开关。 非升压电源电压被提供给驱动电路(100)的模拟电路,使得模拟电路的功耗降低。 通过控制用于切换电源电路内的输出的开关和电源时钟的供给,可以在省电模式下将电路切换到产生较低电源电压的模式或者其中 电源关闭。
    • 10. 发明授权
    • Display device
    • 显示设备
    • US06958741B2
    • 2005-10-25
    • US10273370
    • 2002-10-18
    • Yusuke Tsutsui
    • Yusuke Tsutsui
    • G02F1/133G09G3/20G09G3/30G09G3/32G09G3/36H03M1/68H03M1/76
    • G09G3/3291G09G3/30G09G3/3233G09G3/3648G09G3/3688G09G2300/0828G09G2300/0852G09G2310/027H03M1/682H03M1/765
    • The display device of this invention has two types of DA converter for converting a digital image signal to an analog image signal; a first DA converter disposed in the peripheral area of a plurality of pixel elements and a second DA converter disposed within each of the pixel elements. The first DA converter converts the upper four-bit of a six-bit digital image signal and the second DA converter converts the remaining lower two-bit. This enables the simplification of the peripheral circuits of the pixel element, preventing size increase of the framing area of the display panel, while achieving the multiple-depth display with an increased number of the bits of the DA converter. In the display device with the built-in DA converter, the multiple-bit can be achieved while preventing the increase in the circuit size.
    • 本发明的显示装置具有将数字图像信号转换为模拟图像信号的两种类型的DA转换器; 设置在多个像素元件的周边区域中的第一DA转换器和设置在每个像素元件内的第二DA转换器。 第一个DA转换器转换六位数字图像信号的高四位,第二个DA转换器转换其余的较低的两位。 这使得能够简化像素元件的外围电路,防止显示面板的成帧区域的尺寸增加,同时通过DA转换器的位数增加来实现多深度显示。 在具有内置DA转换器的显示设备中,可以实现多位,同时防止电路尺寸的增加。