Multiple line simultaneous selection method for a simple matrix LCD
which uses temporal and spatial modulation to produce gray scale with
reduced crosstalk and flicker
    2.
    发明授权
    Multiple line simultaneous selection method for a simple matrix LCD which uses temporal and spatial modulation to produce gray scale with reduced crosstalk and flicker 失效
    用于简单矩阵LCD的多线同时选择方法,其使用时间和空间调制来产生具有减小的串扰和闪烁的灰度级

    公开(公告)号:US5774101A

    公开(公告)日:1998-06-30

    申请号:US572046

    申请日:1995-12-14

    IPC分类号: G09G3/20 G09G3/36 G09G5/10

    摘要: A method of driving an image display device including the steps of: dividing row electrodes of an image display device having a plurality of row electrodes and a plurality of column electrodes into a plurality of subgroups; selecting summarizingly one of the plurality of subgroups; applying voltages based on signals formed by expanding time-sequentially column vectors of an orthogonal matrix on the row electrodes; performing a gray scale display by a frame rate control (FRC) by using a plurality of frames; performing a space modulation shifting a phase of the FRC with a pixel block comprising a plurality of pixels as a unit; and wherein the phase of the space modulation is set such that a ratio of the columns each applying an equally effective voltage on all of the pixels in the column in each frame in displaying an intermediate gray scale level by all of the pixels belonging to the same subgroup is 40% or more on an average of all of the intermediate gray scale levels and all of the frames.

    摘要翻译: 一种驱动图像显示装置的方法,包括以下步骤:将具有多个行电极和多个列电极的图像显示装置的行电极分成多个子组; 选择所述多个子组中的一个子集; 基于通过在行电极上扩展正交矩阵的时间顺序列向量而形成的信号施加电压; 通过使用多个帧来执行帧速率控制(FRC)的灰度级显示; 执行空间调制,以包括多个像素的像素块为单位移位所述FRC的相位; 并且其中空间调制的相位被设置为使得在各帧中的所有列中的所有像素上施加相同有效电压的列的比率在通过属于同一像素的所有像素显示中间灰度级 所有的中间灰度级和所有帧的平均值分组为40%以上。

    Method of driving a picture display device
    3.
    发明授权
    Method of driving a picture display device 失效
    驱动图像显示装置的方法

    公开(公告)号:US5734364A

    公开(公告)日:1998-03-31

    申请号:US545766

    申请日:1995-11-24

    IPC分类号: G09G3/20 G09G3/36

    摘要: A method of driving a picture display device having a plurality (an M number) of row electrodes and a plurality of column electrodes, by selecting an L number (L.gtoreq.3) of row electrodes simultaneously and by applying to the row electrodes voltages based on signals obtained by developing in time sequence column vectors of an M row-N column orthogonal matrix S (having elements 1, -1 and 0), wherein column electrode display pattern vectors (x =x.sub.1, x.sub.2, . . . X.sub.M) which have as elements display patterns (1: OFF, -1: ON), corresponding to simultaneously selected row electrodes, on a specified column electrode, and column electrode voltage sequence vectors (y)=(y.sub.1, y.sub.2, . . . y.sub.N) which have as elements voltage levels, on the column electrode which consists of an N number of voltage pulses arranged in time sequence in a display cycle, have a relation of (y.sub.1, y.sub.2, . . . y.sub.N)=(x.sub.1, x.sub.2, . . . x.sub.M) (S), wherein when .DELTA.y.sub.1 =.vertline.y.sub.1,-y.sub.l-1 .vertline.(i=2-N), the sum Q of the maximum value .DELTA.y.sub.MAX1 of .DELTA.y.sub.1 to (x)=(1, 1, . . . 1) and the maximum value .DELTA.y.sub.MAX2 of .DELTA.y.sub.1 to (1, -1, 1, -1, . . . ) substantially satisfies Q

    摘要翻译: PCT No.PCT / JP95 / 00693 Sec。 371日期:1995年11月24日 102(e)1995年11月24日PCT PCT 1995年4月7日提交PCT公布。 WO95 / 27972 PCT公开 日期:1995年10月19日一种通过同时选择L个(L> / = 3)行电极来驱动具有多个(M个)行电极和多个列电极的图像显示装置的方法, 基于通过在M行-N列正交矩阵S(具有元素1,-1和0)的时间序列列向量中产生的信号获得行电极电压,其中列电极显示图案矢量(x = x1,x2, 具有作为元件的显示图案(1:OFF,-1:ON),对应于同时选择的行电极,在指定的列电极上,列电极电压序列向量(y)=(y1,y2, (y1,y2,...,yN)=(y1,y2,...,yN)的关系为(y1,y2,...,yN) x1,x2,...,xM)(S),其中当DELTA y1 = | y1,-yl-1 |(i = 2-N)时,最大值DELTA yMAX1 的DELTA y1到(x)=(1,1, 。 。 1)和DELTA y1至(1,-1,1,-1,...)的最大值DELTA yMAX2基本上满足Q <1.4xL。

    Method of driving a picture display device
    4.
    发明授权
    Method of driving a picture display device 失效
    驱动图像显示装置的方法

    公开(公告)号:US5831586A

    公开(公告)日:1998-11-03

    申请号:US549761

    申请日:1995-11-30

    IPC分类号: G09G3/36

    CPC分类号: G09G3/3625 G09G2320/0209

    摘要: A method for forming a selection pulse sequence includes arranging, time-sequentially, selection pulse vectors which are applied to simultaneously selected scanning electrodes by repeating a subsequence which has a time period of 1/n (n is an integer of n.gtoreq.2) times one frame (a time period in which addressing operations are finished).

    摘要翻译: PCT No.PCT / JP95 / 00716 Sec。 371日期:1995年11月30日 102(e)1995年11月30日日期PCT 1995年4月12日提交PCT公布。 WO95 / 28697 PCT出版物 日期:1995年10月26日一种形成选择脉冲序列的方法包括:通过重复时序为1 / n(n为整数的整数)的子序列,时间顺序地布置施加到同时选择的扫描电极的选择脉冲矢量 n> / = 2)倍一帧(寻址操作完成的时间段)。

    Method of driving a liquid crystal display device and a driving circuit
for the liquid crystal display device
    5.
    发明授权
    Method of driving a liquid crystal display device and a driving circuit for the liquid crystal display device 失效
    驱动液晶显示装置的方法和液晶显示装置的驱动电路

    公开(公告)号:US5900857A

    公开(公告)日:1999-05-04

    申请号:US648960

    申请日:1996-05-17

    IPC分类号: G09G3/20 G09G3/36

    摘要: A method of driving a liquid crystal display device by selecting simultaneously a plurality of lines in a liquid crystal display element characterized in that display data are temporality stored in memories; the data are read out plural times from the memories, and arithmetic operation are performed to the read-out data to produce signals to be applied to data electrodes, wherein the picture area is divided into a plurality of picture area blocks each including scanning lines the number of which are a multiple of a natural number of simultaneously selected scanning lines; the memories are divided into a plurality of memory blocks each having capacity capable of reading and writing data displayed on the picture area blocks; fames for writing are made in synchronism with frames for reading the data, and a memory block undergoes a predetermined number of times of reading, and then new display data are written into said memory block.

    摘要翻译: 一种通过同时选择液晶显示元件中的多条线来驱动液晶显示装置的方法,其特征在于显示数据被存储在存储器中; 数据从存储器读出多次,并且对读出的数据进行算术运算以产生要施加到数据电极的信号,其中图像区域被划分为多个图像区域块,每个图像区域块包括扫描线 其数量是自然数量的同时选择的扫描线的倍数; 存储器被分成多个存储块,每个存储块具有能够读取和写入显示在图像区块上的数据的能力; 与用于读取数据的帧同步地进行写入,并且存储器块经历预定次数的读取,然后将新的显示数据写入所述存储器块。

    Driving device, a column electrode driving semiconductor integrated
circuit and a row electrode driving semiconductor integrated circuit
used for a liquid crystal display device
    6.
    发明授权
    Driving device, a column electrode driving semiconductor integrated circuit and a row electrode driving semiconductor integrated circuit used for a liquid crystal display device 失效
    驱动装置,列电极驱动半导体集成电路和用于液晶显示装置的行电极驱动半导体集成电路

    公开(公告)号:US6025822A

    公开(公告)日:2000-02-15

    申请号:US859033

    申请日:1997-05-20

    摘要: A column electrode driving semiconductor integrated circuit for driving column electrodes in a liquid crystal display device to be driven by a multiple line selection method wherein the liquid crystal display device has a select and output circuit which selects a specified voltage value among voltage values having the member of levels corresponding to the member of simultaneously selected row electrodes, and applies the selected voltage value to each column electrode, wherein a memory unit including a control circuit stores display data and outputs the data on each row electrode in simultaneously selected lines, and an arithmetic circuit unit including an arithmetic processing circuit receives the data outputted from the memory unit and selection data indicating a voltage pattern applied to a selected row electrode and produces by arithmetic processing information of voltages selected by the select and output circuit unit.

    摘要翻译: 一种用于驱动液晶显示装置中的列电极的列电极驱动半导体集成电路,以通过多线选择方法驱动,其中液晶显示装置具有选择和输出电路,其选择具有该部件的电压值中的指定电压值 的电位对应于同时选择的行电极的成员,并且将所选择的电压值施加到每个列电极,其中包括控制电路的存储单元存储显示数据并且以同时选择的行输出每行行电极上的数据,以及算术 包括算术处理电路的电路单元接收从存储器单元输出的数据和指示施加到所选行电极的电压模式的选择数据,并通过由选择和输出电路单元选择的电压的算术处理信息产生。

    Image display device and method of driving the same
    8.
    发明授权
    Image display device and method of driving the same 失效
    图像显示装置及其驱动方法

    公开(公告)号:US5489910A

    公开(公告)日:1996-02-06

    申请号:US314435

    申请日:1994-09-28

    IPC分类号: G09G3/36

    摘要: An image display device having an electro-optical medium interposed between a pair of electrode substrates composing a matrix electrode, a driving circuit for driving the electro-optical medium by selectively applying a voltage on the matrix electrode and a reference voltage generator for supplying the driving circuit with a predetermined driving voltage. A noise compensating circuit is interposed between the driving circuit and the reference voltage generator, the noise compensating circuit detecting a noise in a voltage supplied from the reference voltage generator to the electro-optical medium at a predetermined noise detecting position, forming a noise compensating voltage having a first polarity reverse to a second polarity of the noise by using the noise, and supplying the noise compensating voltage to the driving circuit.

    摘要翻译: 一种图像显示装置,其具有介于构成矩阵电极的一对电极基板之间的电光介质,用于通过选择性地施加电压在矩阵电极上驱动电光介质的驱动电路和用于提供驱动的基准电压发生器 电路具有预定的驱动电压。 在驱动电路和参考电压发生器之间插入噪声补偿电路,噪声补偿电路在预定的噪声检测位置检测从基准电压发生器向电光介质供给的电压中的噪声,形成噪声补偿电压 通过使用噪声具有与噪声的第二极性相反的第一极性,并将噪声补偿电压提供给驱动电路。

    Gray scale driving method for a birefringent liquid display service
    9.
    发明授权
    Gray scale driving method for a birefringent liquid display service 失效
    lcd,lcd模块和驱动电路的驱动方法

    公开(公告)号:US06519013B1

    公开(公告)日:2003-02-11

    申请号:US08945758

    申请日:1997-11-07

    IPC分类号: G02F113

    CPC分类号: G09G3/3622 G09G3/2022

    摘要: A liquid crystal display (LCD) is improved. A driving method for a LCD which has a liquid crystal layer interposed between the first electrode and the second electrode so that voltages to be applied to pixels are changed, wherein voltage levels in a selection time in a Pulse Width Modulation (PWM) driving method are the same level between two successive column electrodes so as to obtain a color display or a gray scale display which corresponds to an intermediate voltage applied to a pixel.

    摘要翻译: 改善了液晶显示器(LCD)。 一种用于LCD的驱动方法,其具有插入在第一电极和第二电极之间的液晶层,使得施加到像素的电压改变,其中在脉冲宽度调制(PWM)驱动方法中的选择时间中的电压电平为 两个连续列电极之间的相同电平,以便获得对应于施加到像素的中间电压的彩色显示或灰度显示。

    Driving method of driving a liquid crystal display element
    10.
    发明授权
    Driving method of driving a liquid crystal display element 失效
    驱动液晶显示元件的驱动方法

    公开(公告)号:US5489919A

    公开(公告)日:1996-02-06

    申请号:US174262

    申请日:1993-12-28

    IPC分类号: G01N35/04 G09G3/36

    CPC分类号: G09G3/3625 G01N35/026

    摘要: A driving method of a liquid crystal display element having plural numbers of scanning electrodes and data electrodes where a J.times.L number (J and L are each integers.gtoreq.2) of scanning electrodes are divided into J subgroups each having L scanning electrodes so that the subgroups are selected and driven as a batch. The subgroups are selected while the following conditions are satisfied: (1) in L=k.multidot.N.multidot.T/.tau., a value satisfying k=10-250 is determined, where L is the number of row electrodes selected, N is the total number of row electrodes, T is a selection time of a single scanning electrode and .tau. is an average response time of a liquid crystal display element; (2) in a selection time, a voltage is applied to the scanning electrodes in a positive or negative direction with respect to an intermediate voltage, and in a non-selection time, the intermediate voltage is applied to the same, (3) for a selection voltage matrix, an orthogonal matrix A having L rows and elements of +1 and -1 which correspond respectively to a positive voltage and a negative voltage, is selected, and (4) in a selection time of the scanning electrode subgroups, application of the voltage is so made that elements of a column vector in the selection voltage matrix correspond to the amplitudes of the voltage to the scanning electrodes forming the scanning electrode subgroups.

    摘要翻译: 具有多个扫描电极和数据电极的液晶显示元件的驱动方法被划分为具有L个扫描电极的J个子组,其中J个子像素(J和L各自为整数> / = 2) 子组被选择并作为批次驱动。 在满足以下条件的情况下,选择子组:(1)在L = kxNxT / tau中,确定满足k = 10-250的值,其中L是选择的行电极的数量,N是行电极的总数 T是单个扫描电极的选择时间,τ是液晶显示元件的平均响应时间; (2)在选择时间内,相对于中间电压向扫描电极施加正,负方向的电压,在非选择时间中施加中间电压,(3)为 选择电压矩阵,具有L行的正交矩阵A和分别对应于正电压和负电压的+1和-1的元素,以及(4)在扫描电极子组的选择时间中,应用 使得选择电压矩阵中的列向量的元素对应于形成扫描电极子组的扫描电极的电压的幅度。