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    • 4. 发明申请
    • Gray scale voltage outputting device
    • 灰度电压输出装置
    • US20070052641A1
    • 2007-03-08
    • US10540066
    • 2003-12-22
    • Shuji HaginoMasaru Yasui
    • Shuji HaginoMasaru Yasui
    • G09G3/36
    • G09G3/2011G09G3/2025G09G3/2081G09G3/3688G09G2310/027H03M1/687H03M1/765
    • An object of the invention is to provide the miniaturized gray scale voltage outputting device. A gray scale voltage outputting device (6) for receiving an image signal (Si) to output a gray scale voltage comprises a gray scale voltage group outputting means (600) having a plurality of gray scale voltage group outputting portions, each of which outputs a gray scale voltage group having a plurality of gray scale voltages in such a way that said plurality of gray scale voltages are sequentially outputted from said respective gray scale voltage group outputting portions during an gray scale voltage group outputting period (Pv) corresponding to a selection period of a source bus (Bs), a selector (62), having a plurality of gray scale voltage group inputting portions (In1 to In32) for receiving said gray scale voltage groups (G1 to G32) outputted from said plurality of gray scale voltage group outputting portions (Out1 to Out32), for selecting from said gray scale voltage groups (G1 to G32) received by said plurality of gray scale voltage group inputting portions (In1 to In32) to output said selected gray scale voltage group and a switch (63) for selecting, from said plurality of gray scale voltages comprised by said gray scale voltage group outputted from the selector (62), a gray scale voltage which is to be outputted from said gray scale voltage outputting device.
    • 本发明的目的是提供一种小型化的灰度级电压输出装置。 用于接收图像信号(Si)以输出灰度级电压的灰度级电压输出装置(6)包括具有多个灰度级电压组输出部分的灰度级电压组输出装置(600),每个输出一个 具有多个灰度级电压的灰度级电压组,使得在与选择周期对应的灰度级电压组输出周期(Pv)期间,从所述各个灰度级电压组输出部分顺序地输出所述多个灰度级电压 源极总线(Bs),选择器(62),具有多个灰度级电压组输入部分(In 1至In 32),用于接收从所述多个输出端子输出的所述灰度级电压组(G 1至G 32) 灰度级电压组输出部(输出1〜输出32),用于从所述多个灰度级电压组输入部(In)接收到的所述灰度级电压组(G 1〜G 32)进行选择 输出所述选择的灰度级电压组和用于从由选择器(62)输出的所述灰度级电压组包括的所述多个灰度级电压中选择灰度级电压的开关(63) 从所述灰度级电压输出装置输出。
    • 5. 发明授权
    • Method and apparatus for multi-gradation display
    • 多级显示的方法和装置
    • US4769713A
    • 1988-09-06
    • US19287
    • 1987-02-26
    • Masaru Yasui
    • Masaru Yasui
    • G09G3/20G09G3/36H04N3/12H04N5/74H04N1/40
    • H04N3/127
    • In a multi-gradation display method and apparatus by which a display signal formed by a picture element signal of any one of the levels of N gradations (where N is an integer equal to or greater than 3) is displayed on a display panel in which each picture element produces a two-gradation display, one frame is composed of (N-1) fields, and accordingly each picture element is supplied with a binary signal (N-1) times for each frame, and the binary signal is given one of its values by a number of times corresponding to the level value of the input picture element signal and the other value by the remaining number of times.
    • 在通过其中N个等级(其中N是等于或大于3的整数)中的任一个的像素信号形成的显示信号被显示在显示面板上的显示面板上的多等级显示方法和装置中,其中 每个图像元素产生双灰度显示,一帧由(N-1)场组成,因此每个图像元素被提供给每个帧的二进制信号(N-1)次,并且给出二进制信号一 的值与输入像素信号的电平值对应的次数和剩余次数的其他值。
    • 7. 发明申请
    • Image display device with circuits to compensate voltage drop in the common electrode for active matrix liquid crystal displays
    • US20060007193A1
    • 2006-01-12
    • US10526420
    • 2003-08-28
    • Masakatsu YamashitaShuji HaginoMasaru Yasui
    • Masakatsu YamashitaShuji HaginoMasaru Yasui
    • G09G5/00
    • G09G3/3688G09G3/3666G09G3/3677G09G2320/0219G09G2320/0247G09G2320/029G09G2320/0626
    • An object of the invention is to provide a image display device in which the component cost and the equipment cost are reduced and a voltage level of a common electrode is easily adjustable to an optimum level. An image display device comprising a plurality of gate buses (G), a plurality of source buses (S), transistors (TFT) each of which is set to an on-state or an off-state in response to a voltage from a respective one of said gate buses (G) and supplies a voltage from said source bus (S) to a pixel electrode (2a) in said on-state, a common electrode (2c), and a corrected voltage supplying means for supplying a common electrode voltage (Vcom′) which has been corrected by a predetermined amount of correction (ΔVcom) to said common electrode (2c), wherein said corrected voltage supplying means generates a first changing voltage for setting said transistor to said on-state and a second changing voltage for setting said transistor to said off-state to operate so as to establish a first supply mode, a second supply mode and a third supply mode, said first supply mode in which said first changing voltage is supplied to a predetermined number of ones of said plurality of gate buses and said second changing voltage is supplied to remaining ones of said plurality of gate buses, said second supply mode in which said first changing voltage is supplied to a larger number of ones of said plurality of gate buses than said predetermined number of gate buses and said second changing voltage is supplied to remaining ones of said plurality of gate buses, and said third supply mode in which said first changing voltage is supplied to a smaller number of ones of said plurality of gate buses than said predetermined number of gate buses and said second changing voltage is supplied to remaining ones of said plurality of gate buses; and determines the corrected common electrode voltage (Vcom′).