Picture display device and method of driving picture display device
    2.
    发明授权
    Picture display device and method of driving picture display device 失效
    图像显示装置及驱动图像显示装置的方法

    公开(公告)号:US6144373A

    公开(公告)日:2000-11-07

    申请号:US980342

    申请日:1997-11-28

    IPC分类号: G09G3/20 G09G3/36 G09G5/00

    摘要: A method of driving a picture display device having an N number (N is an integer of not less than 2) of scanning electrodes and a plurality of data electrodes and being capable of optically responding to an effective value of a voltage applied to a pixel, which includes dividing the scanning electrodes into an M number of subgroups each having L rows, and applying voltages based on signals formed by expanding time-sequentially column vectors of an orthogonal matrix (A) having L rows to the scanning electrodes in each of the subgroups in order to select each of the subgroups together, changing, every time when a selection pulse is applied, the subgroups to which the selection pulse is applied, wherein L is 8 or less and N is 200 or more; the polarities of scanning voltages and data voltages are inverted with a periodicity of S times (S is a natural number) of a selection pulse width, and S is so determined that when an integer portion in the quotient of M/S is an even number, a remainder b satisfies S/b

    摘要翻译: 一种驱动扫描电极和多个数据电极的N数(N为不小于2的整数)的图像显示装置的方法,并且能够光学地响应施加到像素的电压的有效值, 其包括将扫描电极分成具有L行的M个子组,并且基于通过将具有L行的正交矩阵(A)的时间顺序列向量扩展到每个子组中的扫描电极而形成的信号施加电压 为了一起选择每个子组,每当施加选择脉冲时,改变施加选择脉冲的子组,其中L为8以下,N为200以上; 扫描电压和数据电压的极性以选择脉冲宽度的S倍(S为自然数)的周期反相,并且S被确定为当M / S的商的整数部分是偶数时 剩余部分b满足S / b <12,当M / S的商的整数部分为奇数时,余数b满足S /(Sb)<12。

    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
    3.
    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 liquid crystal display device and a driving circuit
for the liquid crystal display device
    4.
    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。

    Method of driving a picture display device
    5.
    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 passive matrix liquid crystal display
    6.
    发明授权
    Method of driving passive matrix liquid crystal display 有权
    无源矩阵液晶显示器的驱动方法

    公开(公告)号:US06346774B1

    公开(公告)日:2002-02-12

    申请号:US09509813

    申请日:2000-05-16

    IPC分类号: G09G328

    CPC分类号: G09G3/3625 G09G3/3622

    摘要: Driving is effected by MLA under a condition of L≠M or (M/L·(L+D) )≠N where M represents the total number of row electrodes, L represents the number of simultaneously selected row electrodes, D represents the number of dummy row electrodes and N represents the maximum magnifying power of a column voltage wherein driving is performed at a driving bias ratio which is deviated toward the minimum bias ratio with respect to the optimum bias ratio.

    摘要翻译: 驱动是由MLA在L> M或(M / L。(L + D))> N的条件下实现的,其中M表示行电极的总数,L表示同时选择的行电极数,D表示 虚拟行电极的数量和N表示列电压的最大放大倍率,其中以相对于最佳偏置比偏向最小偏置比的驱动偏置比执行驱动。

    Method of driving a picture display device
    7.
    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)。

    Projection type color liquid crystal optical apparatus
    9.
    发明授权
    Projection type color liquid crystal optical apparatus 失效
    投影型彩色液晶光学装置

    公开(公告)号:US5648860A

    公开(公告)日:1997-07-15

    申请号:US198275

    申请日:1994-02-18

    IPC分类号: H04N9/31 G02F1/1335

    CPC分类号: H04N9/315 H04N9/3105

    摘要: A light source optical system for projection 1, dichroic mirrors 21, 22 disposed to have a predetermined included angle .beta., a reflection type liquid crystal optical element blocks 31-33 each including a closely contacted converging lens and having a reflection surface and a projection optical system 4 are provided, wherein the normal line of a dichroic mirror surface and the optical axis of incident light form an included angle .alpha.; the normal line of the reflection surface and the optical axis of incident light form an included angle .gamma.; light emitted from a light source is color-separated so as to become color lights; the color lights are rendered to be parallel light beams, and are modulated and reflected by means of the reflection type liquid crystal optical elements; the reflected light beams are color-synthesized; and the color-synthesized light is projected through a projection lens. A projection type color liquid crystal optical apparatus having a compact shape and a high brightness is obtainable.

    摘要翻译: 用于突起1的光源光学系统,设置成具有预定夹角β的分色镜21,22,每个包括紧密接合的会聚透镜并具有反射表面的反射型液晶光学元件块31-33和具有反射面的投影光学 系统4,其中分色镜表面的法线和入射光的光轴形成夹角α; 反射面的法线和入射光的光轴形成夹角γ; 从光源发出的光被颜色分离,成为色光; 彩色光成为平行光束,通过反射型液晶光学元件进行调制和反射; 反射光束被彩色合成; 并且通过投影透镜投射彩色合成光。 可以获得具有紧凑形状和高亮度的投影型彩色液晶光学装置。

    Liquid crystal optical element and a laser projection apparatus using
polymer dispersed liquid crystal
    10.
    发明授权
    Liquid crystal optical element and a laser projection apparatus using polymer dispersed liquid crystal 失效
    液晶光学元件和使用聚合物分散液晶的激光投射装置

    公开(公告)号:US5331446A

    公开(公告)日:1994-07-19

    申请号:US74407

    申请日:1993-06-10

    CPC分类号: G02F1/1334 G02F2001/13756

    摘要: A laser projection apparatus including a liquid crystal optical element of a transparent and scattering type having a liquid crystal and solidified matrix composite. A laser beam having a wavelength of approximately 1 .mu.m emitted from a laser beam source is supplied to the liquid crystal optical element, and a projection optical system operates for reduction-projection a laser beam emitted from the liquid crystal optical element onto an object. Further, with respect to a certain pixel of the liquid crystal optical element, there are overlapped portions between lead lines of a common electrode and lead lines of a segment electrode in the vicinity of the pixel, a width W.sub.1 (.mu.m) of the overlapped portion, a reduction projection ratio (projection by 1/N) and a gap d(.mu.m) between electrodes of the liquid crystal optical element satisfy the relation, W.sub.1 +d

    摘要翻译: 一种激光投射装置,包括具有液晶和固化基质复合体的透明散射型液晶光学元件。 将从激光源发射的具有约1μm的波长的激光束提供给液晶光学元件,并且投影光学系统用于将从液晶光学元件发射的激光束还原到物体上。 此外,对于液晶光学元件的某个像素,在像素附近,公共电极的引线与段电极的引线之间存在重叠的部分,重叠的宽度W1(μm) 部分,液晶光学元件的电极之间的缩小投影比(投影1 / N)和间隙d(μm)满足关系式W1 + d <10×N。 此外,所用液晶的折射率各向异性DELTA n为0.18以上,粘度eta(cSt)为60以下,折射率平均值DELTA n,平均粒径R(μm) 分散并保持在固化基质中的液晶,电极之间的间隙d(μm)满足以下关系:(1)0.5 <ΔTAnxR <1.3,(2)3.5 <ΔDTAnxd <8.0。 采用复用驱动来驱动液晶光学元件。