公开(公告)号：US06512505B1

公开(公告)日：2003-01-28

申请号：US09524284

申请日：2000-03-13

申请人： Katsuhide Uchino ,  Kazuhiro Noda ,  Toshikazu Maekawa ,  Hideyuki Kitagawa

发明人： Katsuhide Uchino ,  Kazuhiro Noda ,  Toshikazu Maekawa ,  Hideyuki Kitagawa

IPC分类号： G09G336

CPC分类号： G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2310/0248 ,  G09G2310/0297 ,  G09G2320/02 ,  G09G2320/0209 ,  G09G2320/0223

摘要： First aspect of the present invention: In dot inversion driving, polarities of image signals written to contiguous left and right ones of pixels differ from each other and accordingly, a domain is produced at corners of an opening portion, as a result, an aperture rate of the pixel is lowered and the transmittivity is deteriorated. In the case of an active matrix type TFT liquid crystal display apparatus of a dot successive driving system, gate lines Vg1 through Vg5 are wired to meander between the pixels of two upper and lower lines, Cs lines are wired in a matrix shape, image signals video1 and video2 having polarities inverse to each other are simultaneously written to the pixels of different upper and lower two lines and polarities of the pixels in a pixel arrangement after the writing operation are made the same polarity between contiguous left and right ones of the pixels and inverse polarities between upper and lower ones of the pixels.

摘要翻译： 本发明的第一方面：在点反转驱动中，写入相邻的左右像素的图像信号的极性彼此不同，因此在开口部的角部产生畴，结果，开口率 在点连续驱动系统的有源矩阵型TFT液晶显示装置的情况下，栅极线Vg1至Vg5被布线到两条上下线的像素之间的曲折处， Cs线以矩阵形状连接，具有相反的极性的图像信号video1和video2被同时写入到不同的上下两行的像素和在写入操作之后的像素排列中的像素的极性相同 连续的左右一个像素之间的极性以及上下像素之间的反极性。

公开(公告)号：US07126574B2

公开(公告)日：2006-10-24

申请号：US10292882

申请日：2002-11-13

申请人： Katsuhide Uchino ,  Kazuhiro Noda ,  Toshikazu Maekawa ,  Hideyuki Kitagawa

发明人： Katsuhide Uchino ,  Kazuhiro Noda ,  Toshikazu Maekawa ,  Hideyuki Kitagawa

IPC分类号： G09G3/36

CPC分类号： G09G3/3614 ,  G09G3/3648 ,  G09G3/3688 ,  G09G2300/0426 ,  G09G2300/0439 ,  G09G2310/0248 ,  G09G2310/0297 ,  G09G2320/02 ,  G09G2320/0209 ,  G09G2320/0223

摘要： In the case of an active matrix type TFT liquid crystal display apparatus of a dot successive driving system, between respectives of signal lines sig1A through sig4A wired at respective columns, and respectives of a signal line 18-1A for inputting a precharge signal Psig-black at a black level and a precharge signal line 18-2A for inputting a precharge signal Psig-gray at a gray level, sampling switches Pb1A through Pb4A and Pg1A through Pg4A of two routes are connected, to respectives of the signals lines sig1A through sig4A, firstly, the precharge signal Psig-black, successively, the precharge signal Psig-gray at the gray level are written in this order and thereafter, an image signal video is written thereto.

摘要翻译： 在点连续驱动系统的有源矩阵型TFT液晶显示装置的情况下，在各列配线的信号线s1A至sig4A的方位之间，以及用于输入 用于输入灰度级的预充电信号Psig-grey的黑电平的预充电信号Psig-black和用于输入灰阶的预充电信号的预充电信号线18-2A，采样开关Pb1A至Pb4A和Pg1A至Pg4A的两个 路由连接到信号线s1A到sig4A的方面，首先，预先充电信号Psig-black依次写入灰阶级的预充电信号Psig-gray，此后，图像信号 写入视频。

公开(公告)号：US5844539A

公开(公告)日：1998-12-01

申请号：US789380

申请日：1997-01-28

申请人： Hideyuki Kitagawa

发明人： Hideyuki Kitagawa

IPC分类号： G02F1/133 ,  G09G3/20 ,  G09G3/36 ,  G09G5/00 ,  H04N5/66 ,  G09G3/38

CPC分类号： G09G3/3677 ,  G09G3/3648 ,  G09G2310/0232 ,  G09G2340/0471 ,  G09G2340/0478 ,  G09G2340/0485 ,  G09G5/005 ,  G09G5/006

摘要： An image display system has a main-driver, a sub-driver, a display panel, and a timing generator. The main-driver supplies plural types of video signals having different standards of resolution, while the sub-driver, independent from the main-driver, supplies a black signal whose brightness can be controlled. The display panel includes a vertical scanning circuit for sequentially selecting rows of pixels, a horizontal scanning circuit for distributing the video signals to columns of the pixels so as to be written into the selected pixels, and an auxiliary scanning circuit for distributing the black signal to columns of the pixels so as to be written into the selected pixels. The timing generator controls the respective scanning circuits in the display panel by distributing control signals in accordance with the resolution of the video signals. Thereby, the video signals are written into a display region in a screen including the pixels which has the numbers of rows and columns adapted for the resolution, and the black signal is written into the pixels belonging to a blank region outside the display region.

摘要翻译： 图像显示系统具有主驱动器，子驱动器，显示面板和定时发生器。 主驱动器提供具有不同标准分辨率的多种类型的视频信号，而与主驱动器无关的子驱动器提供其亮度可被控制的黑色信号。 显示面板包括用于顺序地选择像素行的垂直扫描电路，用于将视频信号分配给像素的列以便被写入所选择的像素的水平扫描电路，以及用于将黑色信号分配到 像素的列，以便被写入所选择的像素中。 定时发生器通过根据视频信号的分辨率分配控制信号来控制显示面板中的各个扫描电路。 由此，将视频信号写入包括具有适于分辨率的行数和列数的像素的屏幕的显示区域，并将黑色信号写入属于显示区域外的空白区域的像素。

公开(公告)号：US06943836B2

公开(公告)日：2005-09-13

申请号：US09988758

申请日：2001-11-20

申请人： Hideyuki Kitagawa

发明人： Hideyuki Kitagawa

IPC分类号： G02F1/13 ,  G02F1/133 ,  G09G3/00 ,  G09G3/20 ,  G09G3/30 ,  G09G3/36 ,  G09G5/00 ,  G09G5/10 ,  H01L51/50 ,  H03M7/50 ,  H04N5/202 ,  H04N5/66 ,  H04N5/74 ,  H04N9/31 ,  H04N9/69

CPC分类号： H04N9/69 ,  G09G3/3611 ,  G09G5/00 ,  G09G2320/0276 ,  H04N5/202 ,  H04N9/3105 ,  H04N9/3182

摘要： A digital-signal-processing circuit comprising an LUT memory used for storing a gamma-correction LUT used for carrying out gamma correction on an input digital video signal, and a front-stage signal-processing unit provided at a stage preceding the LUT memory and used for carrying signal processing, such as contrast adjustment, after the input digital video signal having a typical width of 8 bits is subjected to signal processing, such as contrast adjustment, in the signal-processing unit to be transformed into a digital video signal with a width of 11 bits. The 11-bit digital video signal is supplied to the LUT memory having an output bit count of 10 bits, which is smaller than the 11-bit width of the digital video signal supplied to the LUT memory but greater than the 8-bit width of the digital video signal input to the signal-processing unit.

摘要翻译： 一种数字信号处理电路，包括用于存储用于对输入数字视频信号执行伽马校正的伽马校正LUT的LUT存储器，以及在LUT存储器之前的阶段提供的前级信号处理单元，以及 用于承载诸如对比度调整的信号处理，在具有8位典型宽度的输入数字视频信号在信号处理单元中进行诸如对比度调整的信号处理，以被变换成具有数字视频信号的数字视频信号 宽度为11位。 11位数字视频信号被提供给具有10位的输出位计数的LUT存储器，该存储器比提供给LUT存储器的数字视频信号的11位宽度小，但大于8位宽的 数字视频信号输入到信号处理单元。