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    • 36. 发明申请
    • Liquid Crystal Display Device
    • 液晶显示装置
    • US20080303770A1
    • 2008-12-11
    • US12136167
    • 2008-06-10
    • Ryutaro OkeYoshihiro Imajo
    • Ryutaro OkeYoshihiro Imajo
    • G09G3/36
    • G09G3/3655G09G2320/0209
    • A counter voltage supply circuit has an inverting amplifier that inversely amplified a voltage detected from a specified part of a counter electrode of a liquid crystal display panel and supplies the amplified voltage to a counter voltage supply end of the counter electrode. The inverting amplifier includes an operational amplifier having a feedback resistor connected between an inverting input terminal and an output terminal. The feedback resistor includes a first resistor, and n resistors each of which is connected parallel to the first resistor via a switching element. As the n switching elements are selectively turned on and off by a switching element control circuit in accordance with a scanning position, the resistance value of the feedback resistor is varied and the gain of the operational amplifier is changed. Cross-talk due to coupling noise to the counter electrode generated by AC driving of a video voltage and deterioration in display quantity of a display image on the liquid crystal display panel can be prevented.
    • 逆电压电路具有反相放大器,对从液晶显示面板的对置电极的指定部分检测到的电压进行反向放大,并将放大的电压提供给对置电极的反电压供给端。 反相放大器包括具有连接在反相输入端子和输出端子之间的反馈电阻器的运算放大器。 反馈电阻器包括第一电阻器和n个电阻器,每个电阻器经由开关元件并联连接到第一电阻器。 随着根据扫描位置的开关元件控制电路选择性地导通和关断n个开关元件,反馈电阻器的电阻值变化并且运算放大器的增益改变。 可以防止由于通过AC驱动视频电压而产生的对电极的耦合噪声和液晶显示面板上的显示图像的显示量的劣化的串扰。
    • 37. 发明申请
    • Display device
    • 显示设备
    • US20070146279A1
    • 2007-06-28
    • US11526610
    • 2006-09-26
    • Ryutaro OkeYoshihiro Imajo
    • Ryutaro OkeYoshihiro Imajo
    • G09G3/36
    • G09G3/3614G09G2310/0229G09G2320/0204G09G2320/0247G09G2320/0257
    • An afterimage produced when a hold response display is used in an I/P conversion display mode is reduced. This is achieved by a display device comprising: a plurality of drain electrode lines and a plurality of gate electrode lines arranged in a matrix; and pixel areas, each surrounded by two adjacent ones of the drain electrode lines and two adjacent ones of the gate electrode lines, each pixel area having a TFT element, the assembly of the pixel areas defining a display area, wherein a drain electrode of the TFT element is electrically connected to the drain electrode line, a source electrode of the TFT element is electrically connected to a pixel electrode, the pixel electrode repeatedly receives a signal of positive polarity even or odd number of times and a signal of negative polarity the same number of times as the signal of positive polarity, and one or both of the occurrence of the signal of negative polarity and the signal of positive polarity are periodically changed to an odd number when the occurrence of the signal of positive polarity is an even number, or to an even number when the occurrence of the signal of positive polarity is an odd number.
    • 当在I / P转换显示模式中使用保持响应显示时产生的余像被减少。 这通过显示装置实现,该显示装置包括:排列成矩阵的多个漏电极线和多个栅电极线; 以及每个由两个相邻的漏电极线和两个相邻的栅电极线围绕的像素区域,每个像素区域具有TFT元件,所述像素区域的组合限定显示区域,其中, TFT元件与漏电极线电连接,TFT元件的源电极与像素电极电连接,像素电极重复接收正极性为奇数或奇数的信号,负极性信号相同 作为正极性信号的次数,当正极性的信号的出现是偶数时,负极性信号的发生和正极性的信号中的一个或两个周期性地变为奇数, 或者当正极性的信号的出现是奇数时是偶数。
    • 38. 发明授权
    • Liquid crystal display device and driving method of the same
    • 液晶显示装置及其驱动方法相同
    • US07151518B2
    • 2006-12-19
    • US10214602
    • 2002-08-09
    • Tohko FukumotoYoshihiro ImajoNobuhiro Takeda
    • Tohko FukumotoYoshihiro ImajoNobuhiro Takeda
    • G09G3/36G09G5/00
    • G09G3/3688G09G3/3614G09G2310/027G09G2320/0233
    • In the method for driving a liquid crystal display device which has a plurality of picture elements or “pixels” and a drive circuit for outputting to each pixel a gradation voltage selected from among M (M≧2) gradation voltages, the polarity of a gradation voltage that is outputted from the drive circuit to each pixel is inverted for every N (N≧2)-line group, while letting the voltage value of an m (1≧m≧M)-th gradation voltage to be outputted from the drive circuit to each pixel be different between the time when outputting it to the pixels on the first line immediately after the polarity inversion and the time when outputting it to the pixel on a line which is subsequent to the first line, immediately after the polarity inversion, and whose polarity is not inverted.
    • 在具有多个像素或“像素”的液晶显示装置的驱动方法以及向各像素输出从M(M> = 2)灰度级电压中选出的灰度电压的驱动电路中, 对于每个N(N> = 2)线组,从驱动电路输出到每个像素的灰度电压反转,同时使m(1> = m> = M)个灰度电压的电压值为 从驱动电路向各像素输出的时刻在将其输出到紧接极性反转之后的第一行上的像素的时刻与将其输出到紧接在第一行之后的线上的像素的时刻之间不同 极性反转,极性不反转。