公开(公告)号：US07405717B2

公开(公告)日：2008-07-29

申请号：US11371978

申请日：2006-03-10

申请人： Masahiro Baba ,  Goh Itoh ,  Haruhiko Okumura

发明人： Masahiro Baba ,  Goh Itoh ,  Haruhiko Okumura

IPC分类号： G09G3/36 ,  G09G5/10

CPC分类号： G09G3/3648 ,  G09G2320/0252 ,  G09G2320/0261 ,  G09G2340/16 ,  G09G2360/16

摘要： An image processing method for a liquid crystal display device includes: calculating first difference gradation, which is a difference between predicted attainment gradation and input gradation, the predicted attainment gradation being a predicted value of gradation which respective pixels of the liquid crystal display attain after one frame period after the respective pixels are driven to display a first frame, and the predicted attainment gradation being stored in a storage unit which stores the predicted attainment gradation, and the input gradation being gradation of a second frame which is displayed after the first frame; multiplying the first difference gradation by an enhancement coefficient; calculating enhanced gradation which is a sum of the first difference gradation multiplied by the enhancement coefficient and the predicted attainment gradation; calculating second difference gradation which is a difference between the enhanced gradation and the predicted attainment gradation; multiplying the second difference gradation by a correction coefficient; and updating the value of the predicted attainment gradation stored in the storage unit based on a sum of the second difference gradation multiplied by the correction coefficient and the predicted attainment gradation.

摘要翻译： 一种液晶显示装置的图像处理方法，包括：计算作为预测达到灰度和输入灰度之间的差的第一差分灰度，预测达到灰度为液晶显示器的各个像素在一个 在各个像素被驱动以显示第一帧之后的帧周期，并且预测的达到灰度存储在存储预测的达到灰度的存储单元中，并且输入灰度是在第一帧之后显示的第二帧的灰度; 将第一差分灰度乘以增强系数; 计算作为所述第一差分灰度乘以所述增强系数与所述预测达到灰度之和的增强灰度; 计算作为增强灰度与预测达到灰度之差的第二差分灰度; 将第二差分灰度乘以校正系数; 并且基于乘以校正系数的第二差分灰度和预测的达到灰度的和来更新存储在存储单元中的预测达到灰度的值。

公开(公告)号：US07349475B2

公开(公告)日：2008-03-25

申请号：US10383631

申请日：2003-03-10

申请人： Goh Itoh ,  Nao Mishima ,  Haruhiko Okumura

发明人： Goh Itoh ,  Nao Mishima ,  Haruhiko Okumura

IPC分类号： H04B1/66 ,  H04N7/12 ,  H04N11/02

CPC分类号： H04N5/145 ,  H04N19/51 ,  H04N19/521 ,  H04N19/533 ,  H04N19/573 ,  H04N19/577

摘要： A motion vector detection method includes extracting a first block from the m-th picture, extracting second blocks having a large correlation with respect to the first block from a (m+n)-th picture ((m+n)>m-th), detecting first motion vectors between the first and second blocks, extracting a third block located in spatially the same position as that of the first block from a (m+i)-th picture ((m+n)>(m+i)>m-th), computing second motion vectors of (n−1)/n times the first motion vectors, extracting a fourth block corresponding to a movement position of the third block from the (m+n)-th picture according to the second motion vector, and selecting an optimum motion vector maximizing a correlation between the third and fourth blocks from the first motion vectors.

摘要翻译： 运动矢量检测方法包括从第m图像中提取第一块，从第（m + n）个图像（（m + n）> m-th）提取相对于第一块具有较大相关性的第二块 ），检测第一和第二块之间的第一运动矢量，从第（m + i）个图像（（m + n）>（m + i）>（m + i））中提取位于空间上与第一块相同位置的第三块 ）m），计算第一运动矢量的第（n-1）/ n倍的第二运动矢量，根据第（m + n）个图像提取与第三块的移动位置相对应的第四块 第二运动矢量，并且从第一运动矢量中选择最大化第三和第四块之间的相关性的最佳运动矢量。

公开(公告)号：US20070165719A1

公开(公告)日：2007-07-19

申请号：US11686424

申请日：2007-03-15

申请人： Goh Itoh ,  Nao Mishima ,  Haruhiko Okumura

发明人： Goh Itoh ,  Nao Mishima ,  Haruhiko Okumura

IPC分类号： H04N11/02 ,  H04N11/04

CPC分类号： H04N5/145 ,  H04N19/51 ,  H04N19/521 ,  H04N19/533 ,  H04N19/573 ,  H04N19/577

摘要： A motion vector detection method includes extracting a first block from the m-th picture, extracting second blocks having a large correlation with respect to the first block from a (m+n)-th picture ((m+n) >m-th), detecting first motion vectors between the first and second blocks, extracting a third block located in spatially the same position as that of the first block from a (m+i)-th picture ((m+n) >(m+i) >m-th), computing second motion vectors of (n−l)/n times the first motion vectors, extracting a fourth block corresponding to a movement position of the third block from the (m+n)-th picture according to the second motion vector, and selecting an optimum motion vector maximizing a correlation between the third and fourth blocks from the first motion vectors.

摘要翻译： 运动矢量检测方法包括从第m图像中提取第一块，从第（m + n）个图像（（m + n）> m-th）提取相对于第一块具有较大相关性的第二块 ），检测第一和第二块之间的第一运动矢量，从第（m + i）个图像（（m + n）>（m + i）>（m + i））中提取位于空间上与第一块相同位置的第三块 ）> m次），计算第一运动矢量的（nl）/ n倍的第二运动矢量，根据第二运动矢量从第（m + n）个图像提取与第三块的移动位置相对应的第四块 运动矢量，并且从第一运动矢量中选择最大化第三和第四块之间的相关性的最佳运动矢量。

公开(公告)号：US07184008B2

公开(公告)日：2007-02-27

申请号：US11274113

申请日：2005-11-16

申请人： Masahiro Baba ,  Haruhiko Okumura

发明人： Masahiro Baba ,  Haruhiko Okumura

IPC分类号： G09G3/36

CPC分类号： G09G3/3611 ,  G09G2320/0252 ,  G09G2320/0261 ,  G09G2320/0686 ,  G09G2340/16

摘要： A liquid crystal displaying method includes: multiplying, a difference value of luminance information and a difference value of color-difference information each by an emphasis coefficient α (α is a positive real number); adding the luminance information in which the input image information has been delayed for one frame period and the color-difference information in which the input image information has been delayed for one frame period to the difference value of the luminance information multiplied by the emphasis coefficient α and the difference value of the color-difference information multiplied by the emphasis coefficient α, respectively, to obtain emphasized image information. The difference value of the luminance information is the luminance information of the input image information having the luminance information and the color-difference information subtracted from the luminance information in which the input image information has been delayed for one frame period. The difference value of the color-difference information is the color-difference information of the input image information subtracted from the color-difference information in which the input image information has been delayed for one frame period.

摘要翻译： 一种液晶显示方法，包括：将亮度信息的差值和色差信息的差分值乘以加重系数α（α为正实数）; 将输入图像信息已被延迟一帧周期的亮度信息和输入图像信息已延迟一帧周期的色差信息加到亮度信息的乘积乘以加重系数α 以及色差信息的差值分别乘以强调系数α，以获得强调的图像信息。 亮度信息的差值是具有亮度信息和色差信息的输入图像信息的亮度信息，其中输入图像信息已延迟一帧周期的亮度信息。 色差信息的差分值是输入图像信息的色差信息，其中输入图像信息已被延迟一帧周期的色差信息中减去。

公开(公告)号：US20060012554A1

公开(公告)日：2006-01-19

申请号：US11232039

申请日：2005-09-22

申请人： Tatsuo Saishu ,  Haruhiko Okumura ,  Kohki Takatoh ,  Hajime Yamaguchi ,  Rei Hasegawa ,  Hitoshi Kobayashi ,  Rieko Fukushima

发明人： Tatsuo Saishu ,  Haruhiko Okumura ,  Kohki Takatoh ,  Hajime Yamaguchi ,  Rei Hasegawa ,  Hitoshi Kobayashi ,  Rieko Fukushima

IPC分类号： G09G3/36

CPC分类号： G09G3/3614 ,  G09G3/3648 ,  G09G2300/0842 ,  G09G2310/06 ,  G09G2320/02 ,  G09G2320/0204 ,  G09G2320/0257 ,  G09G2320/0261

摘要： Disclosed is a method for driving an active matrix type liquid crystal display device including a first electrode, a second electrode, and a liquid crystal layer interposed between the first and the second electrodes, and the liquid crystal layer having a larger polarization when a voltage of a first polarity is applied to the first electrode against the second electrode than that when a voltage of a second polarity different from the first polarity is applied to the first electrode against the second electrode, the method comprising dividing a frame into a first field and a second field, applying a first voltage of the first polarity to the first electrode during the first field, generating a second voltage from the first voltage by changing its polarity, a magnitude of the second voltage being modified by an amount of ΔV (ΔV≠0) based on a magnitude of the first voltage in a direction of the first polarity when the first voltage is not zero, and applying the second voltage to the first electrode during the second field.

摘要翻译： 公开了一种用于驱动有源矩阵型液晶显示装置的方法，该有源矩阵型液晶显示装置包括插入在第一和第二电极之间的第一电极，第二电极和液晶层，并且当电压 与第一极性不同的第二极性的电压相对于第二电极施加到第一电极的第一极性相对于第二电极施加第一极性，该方法包括将框分成第一场和 第二场，在第一场期间将第一极性的第一电压施加到第一电极，通过改变其极性从第一电压产生第二电压，第二电压的幅度被修改ΔVa的量（ΔV< 0），当第一电压不为零时，基于第一极性的方向上的第一电压的大小，并且将第二电压施加到 在第二场中的第一个电极。

公开(公告)号：US06750841B2

公开(公告)日：2004-06-15

申请号：US10211563

申请日：2002-08-05

申请人： Goh Itoh ,  Hisao Fujiwara ,  Hitoshi Kobayashi ,  Haruhiko Okumura ,  Noboru Yamaguchi ,  Toshiaki Watanabe ,  Yoshihiro Kikuchi ,  Takashi Ida ,  Takeshi Chujoh ,  Yoko Sambonsugi ,  Takeshi Nagai ,  Rieko Furukawa

发明人： Goh Itoh ,  Hisao Fujiwara ,  Hitoshi Kobayashi ,  Haruhiko Okumura ,  Noboru Yamaguchi ,  Toshiaki Watanabe ,  Yoshihiro Kikuchi ,  Takashi Ida ,  Takeshi Chujoh ,  Yoko Sambonsugi ,  Takeshi Nagai ,  Rieko Furukawa

IPC分类号： G09G336

CPC分类号： G09G3/3659 ,  G09G3/3648 ,  G09G2300/0814 ,  G09G2300/0842 ,  G09G2310/04 ,  G09G2320/0257 ,  G09G2320/103 ,  G09G2330/021

摘要： A liquid crystal display apparatus comprising a display panel having a plurality of pixels arranged in a matrix, signals lines for inputting a video signal to the plurality of pixels, and switching elements for selecting the pixels individually, a video decoder which decodes input compressed video data to obtain a reconstructed picture signal for each frame, a change region detector for detecting a change region between a previous frame and a current frame by using the reconstructed picture signal, to obtain address data on the change region, a display signal converter for converting the reconstructed picture signal into a display picture signal, a difference signal detector for detecting a difference signal indicating at least a difference between the previous frame and the current frame, a switch driver for selectively driving the switching elements to select the pixels corresponding to the change region in accordance with the address data, and a signal line driver for adding the difference signal and the display picture signal of the previous frame, and inputting an addition result to the signal lines.

摘要翻译： 一种液晶显示装置，包括具有排列成矩阵的多个像素的显示面板，将用于向多个像素输入视频信号的信号线，以及用于单独选择像素的开关元件，对输入的压缩视频数据进行解码的视频解码器 为了获得每帧的重构图像信号，使用重构图像信号检测前一帧和当前帧之间的改变区域的变化区域检测器，以获得关于改变区域的地址数据，显示信号转换器，用于将 重建图像信号转换为显示图像信号;差分信号检测器，用于检测指示前一帧和当前帧之间的至少差异的差分信号;开关驱动器，用于选择性地驱动开关元件以选择与变化区域对应的像素 根据地址数据，以及用于添加该信号线的信号线驱动器 信号信号和前一帧的显示图像信号，并将相加结果输入到信号线。

公开(公告)号：US06603256B1

公开(公告)日：2003-08-05

申请号：US09526468

申请日：2000-03-15

申请人： Goh Itoh ,  Haruhiko Okumura ,  Miki Mori ,  Yumi Fukuda ,  Hisao Fujiwara ,  Yujiro Hara ,  Hitoshi Kobayashi ,  Masahiko Yamamoto ,  Masayuki Saito ,  Masayuki Nakamoto

发明人： Goh Itoh ,  Haruhiko Okumura ,  Miki Mori ,  Yumi Fukuda ,  Hisao Fujiwara ,  Yujiro Hara ,  Hitoshi Kobayashi ,  Masahiko Yamamoto ,  Masayuki Saito ,  Masayuki Nakamoto

IPC分类号： H01J6304

CPC分类号： G09G3/2011 ,  G09G3/2014 ,  G09G3/2074 ,  G09G3/2077 ,  G09G3/22 ,  H01J29/04 ,  H01J31/127

摘要： There is provided a field emission type display which is capable of suppressing deterioration of image quality which otherwise occurs due to stepwise cuts and to the increase of wiring resistance caused by a thin width of a cathode line and which causes less failures. The display includes a plurality of cathode lines having an equal line width within the pixel and is structurally based on a multiple gradation representing a scheme of controlling spatial gradation display by changing the number of field emission type emitters to be driven by changing the number of cathode lines to be selected.

摘要翻译： 提供了一种场致发射型显示器，其能够抑制由于逐步切割而导致的图像质量的劣化以及由阴极线的薄宽度引起的布线电阻的增加，并且导致较少的故障。 显示器包括在像素内具有相等的线宽的多个阴极线，并且在结构上是基于多个灰度，表示通过改变要驱动的场发射型发射器的数量来控制空间灰度显示的方案，通过改变阴极数 要选择的行

公开(公告)号：US06331844B1

公开(公告)日：2001-12-18

申请号：US08868733

申请日：1997-06-04

申请人： Haruhiko Okumura ,  Akira Kinno ,  Hisao Fujiwara ,  Goh Itoh ,  Norihiko Kamiura

发明人： Haruhiko Okumura ,  Akira Kinno ,  Hisao Fujiwara ,  Goh Itoh ,  Norihiko Kamiura

IPC分类号： G09G338

CPC分类号： G09G3/2011 ,  G09G3/3648 ,  G09G3/3659 ,  G09G3/3688 ,  G09G2300/0809 ,  G09G2300/0828 ,  G09G2300/0833 ,  G09G2300/0842 ,  G09G2300/0857 ,  G09G2310/027 ,  G09G2310/0272 ,  G09G2330/021 ,  G09G2340/16

摘要： A liquid crystal display apparatus includes a substrate, a plurality of scanning lines extending substantially in parallel with each other in a row direction on the substrate, a plurality of signal lines extending substantially in parallel with each other in a column direction on the substrate, a signal line driver for supplying a pixel signal of current variables to each of the plurality of signal lines, a scanning line driver for selectively supplying a scanning signal to the plurality of scanning lines, and a plurality of pixels arranged on the substrate at intersections of the plurality of scanning lines and the plurality of signal lines, each of the plurality of pixels including a converter for receiving the pixel signal of current variables, which is supplied to the signal line, and converting the pixel signal into a voltage signal, and a liquid crystal cell to which the converted voltage signal is applied.

摘要翻译： 液晶显示装置包括基板，在基板上沿行方向大致平行地延伸的多条扫描线，在基板上沿列方向大致平行地延伸的多条信号线， 信号线驱动器，用于向多个信号线中的每一个提供电流变量的像素信号;扫描线驱动器，用于选择性地向多条扫描线提供扫描信号;以及多个像素，其布置在基板上， 多个扫描线和多个信号线，所述多个像素中的每一个包括用于接收电流变量的像素信号的转换器，所述转换器被提供给所述信号线，并将所述像素信号转换为电压信号，以及液体 经转换的电压信号被施加到其上的晶体管。

公开(公告)号：US06169372A

公开(公告)日：2001-01-02

申请号：US09343248

申请日：1999-06-30

申请人： Hitoshi Kobayashi ,  Haruhiko Okumura

发明人： Hitoshi Kobayashi ,  Haruhiko Okumura

IPC分类号： G09G310

CPC分类号： G09G3/22 ,  G09G3/2014 ,  G09G2310/06 ,  G09G2320/0209 ,  G09G2330/021

摘要： A field emission display and display driving method, wherein the display includes a plurality of cathode lines arranged in a first direction in parallel; a plurality of gate lines arranged in a second direction in parallel, perpendicular to the first direction and isolated from the cathode lines; a field emission device at a cross point of one of the cathode lines and one of the gate lines, including an anode, an emitter connected to the one of the cathode lines, and a gate connected to the one of the gate lines; a scanning circuit configured to apply a scanning signal to one of the gate lines; and a modulating circuit configured to form a modulated signal synchronized with the scanning signal from an image signal having intensity information. The modulated signal has a plurality of pulse width modulated waveforms, each having a duty cycle indicative of the brightness of a corresponding picture element of the image signal, wherein successive waveforms have a level transition (high to low or low to high) that is inverted from the level transition of the immediately prior waveform, each of the waveforms beginning a period at one of two signal levels (high or low) and ending the period at the other (low or high) of the two signal levels. In one embodiment, a first cathode line has applied thereto a first pulse width modulated signal which begins the period at one of the two signal levels, and simultaneously a second cathode line has applied thereto a second pulse width modulated signal which begins the period with the other of the two signal levels.

摘要翻译： 一种场致发射显示和显示驱动方法，其中所述显示器包括并列布置在第一方向上的多个阴极线; 多个栅极线，沿与第一方向垂直的第二方向平行布置，并与阴极线隔离; 一个阴极线和一条栅极线的交叉点处的场致发射器件，包括阳极，连接到阴极线之一的发射极和连接到该栅极线之一的栅极; 扫描电路，被配置为向一条栅极线施加扫描信号; 以及调制电路，被配置为从具有强度信息的图像信号形成与扫描信号同步的调制信号。 调制信号具有多个脉冲宽度调制波形，每个波形具有指示图像信号的对应图像的亮度的占空比，其中连续波形具有被反相的电平转换（高到低或低到高） 从紧前的波形的电平转换开始，每个波形以两个信号电平（高或低）中的一个开始周期，并结束两个信号电平的另一个（低或高）周期。 在一个实施例中，第一阴极线向其施加了在两个信号电平中的一个处开始周期的第一脉冲宽度调制信号，同时第二阴极线向其施加了第二个脉冲宽度调制信号， 其他两个信号电平。

公开(公告)号：US6069600A

公开(公告)日：2000-05-30

申请号：US112350

申请日：1998-07-09

申请人： Tatsuo Saishu ,  Haruhiko Okumura ,  Kohki Takatoh ,  Hiroyuki Nagata ,  Kouhei Suzuki ,  Masahiko Akiyama ,  Yujiro Hara ,  Hisao Fujiwara ,  Rieko Iida

发明人： Tatsuo Saishu ,  Haruhiko Okumura ,  Kohki Takatoh ,  Hiroyuki Nagata ,  Kouhei Suzuki ,  Masahiko Akiyama ,  Yujiro Hara ,  Hisao Fujiwara ,  Rieko Iida

IPC分类号： G02F1/1362 ,  G09G3/36

CPC分类号： G02F1/13624 ,  G09G3/3648 ,  G09G3/3651 ,  G02F2001/136245 ,  G09G2300/0809 ,  G09G2310/0251 ,  G09G2330/023 ,  G09G3/3614 ,  G09G3/3659

摘要： A pixel electrode is connected to a signal line via an n-channel TFT element for writing image signals and the pixel electrode is connected to an auxiliary storage capacitance line via p-channel TFT element for resetting the pixel electrode, wherein gate electrodes of the n-channel and p-channel TFT elements provided in a pixel region are commonly connected to a corresponding scanning line of the pixel region or to the corresponding scanning line and an adjacent scanning line, respectively.

摘要翻译： 像素电极经由用于写入图像信号的n沟道TFT元件连接到信号线，并且像素电极经由用于复位像素电极的p沟道TFT元件连接到辅助存储电容线，其中n的栅电极 设置在像素区域中的通道和p沟道TFT元件通常分别连接到像素区域的相应扫描线或相应的扫描线和相邻的扫描线。