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    • 43. 发明授权
    • Driving circuit for liquid crystal display device
    • 液晶显示装置驱动电路
    • US4746197A
    • 1988-05-24
    • US888864
    • 1986-07-24
    • Shyusuke EndoToshiyuki SakumaToshimitsu MatsudoKiyoshige Kinugawa
    • Shyusuke EndoToshiyuki SakumaToshimitsu MatsudoKiyoshige Kinugawa
    • G02F1/133G09G3/36G02F1/13
    • G09G3/3614
    • A liquid crystal display device comprises: a liquid crystal module including liquid crystal display panel having a plurality of liquid crystal picture elements arranged in a matrix form, and driving circuits for applying driving signals to signal electrodes and to scanning electrodes of the liquid crystal display panel, respectively; a control circuit for controlling operations of the liquid crystal module; and a means for inverting polarity of a voltage to be applied to a liquid crystal layer by generating a control signal M' having a period m.tau. which signal inverts the polarity of the voltage to be applied to the liquid crystal layer whenever a clock signal having a period .tau. is counted a predetermined number m/2. However, if a period of a frame frequency is n.tau. and an arbitrary integer is L,(1) m is set to be 2n/(2L-1), or(2) m is set to be n/L and the control signal M' is inverted per said frame period n.tau., or(3) m is set to satisfy L-1/2
    • 液晶显示装置包括:液晶模块,包括具有多个以矩阵形式布置的液晶像元的液晶显示面板,以及驱动电路,用于向液晶显示面板的信号电极和扫描电极施加驱动信号 , 分别; 用于控制液晶模块的操作的控制电路; 以及用于通过产生具有周期mτ的控制信号M'来反转要施加到液晶层的电压的极性的装置,其中信号将施加到液晶层的电压的极性反转,每当时钟信号具有 时段τ被计数为预定数量m / 2。 然而,如果帧频的周期为n tau,任意的整数为L,则(1)m被设置为2n /(2L-1),或者(2)m被设置为n / L,并且控制 信号M'按照帧周期n tau进行反转,或者(3)将m设定为满足L-1/2
    • 44. 发明授权
    • Liquid crystal display device
    • 液晶显示装置
    • US4702560A
    • 1987-10-27
    • US785652
    • 1985-10-09
    • Shyusuke EndoNaofumi AoyamaToshihiko YabuuchiToshiyuki SakumaKiyoshige Kinugawa
    • Shyusuke EndoNaofumi AoyamaToshihiko YabuuchiToshiyuki SakumaKiyoshige Kinugawa
    • G02F1/133G09G3/36
    • G09G3/3644G09G3/3614
    • A liquid crystal display device comprising a liquid crystal module including liquid crystal display panel having a plurality of liquid crystal picture elements arranged in a matrix form, and driving circuits for applying driving signals to signal electrodes and to scanning electrodes of the liquid crystal display panel, respectively; a control circuit for controlling the operation of the liquid crystal module; a first circuit for dividing frequency of a timing signal given by the control circuit and producing a first signal of lower frequency; and a second circuit for inverting the first signal of lower frequency once per frame period and generating a second signal to reverse the polarity of voltages applied to liquid crystal display elements with its period .tau..sub.M" satisfying the inequality2.0.ltoreq..tau..sub.F (the frame period)/.tau..sub.M" .ltoreq.6.0.
    • 一种液晶显示装置,包括具有液晶显示面板的液晶显示面板,液晶显示面板具有以矩阵形式配置的多个液晶像素,以及用于向液晶显示面板的信号电极和扫描电极施加驱动信号的驱动电路, 分别; 用于控制液晶模块的操作的控制电路; 用于分配由控制电路给出的定时信号的频率并产生较低频率的第一信号的第一电路; 以及第二电路,用于每帧周期反转较低频率的第一信号,并产生第二信号,以使其周期τM满足不等于2.0的τF(反向施加到液晶显示元件的电压的极性) 帧周期)/ tau M“