公开(公告)号：US06556182B1

公开(公告)日：2003-04-29

申请号：US09644862

申请日：2000-08-24

申请人： Mitsuru Goto ,  Yozo Nakayasu ,  Shinji Yasukawa ,  Kentaro Agata ,  Yuji Yamashita ,  Koichi Kotera

发明人： Mitsuru Goto ,  Yozo Nakayasu ,  Shinji Yasukawa ,  Kentaro Agata ,  Yuji Yamashita ,  Koichi Kotera

IPC分类号： G09G336

CPC分类号： G09G3/2011 ,  G09G3/3688 ,  G09G3/3696 ,  G09G2310/027

摘要： A liquid crystal display element having pixels, video signal lines applying a video signal voltage to the pixels and a video signal line driver supplying the video signal voltages to the video signal lines. The video signal line driver circuit includes a gray-scale voltage generating circuit provided with a resistor circuit dividing voltages between plural gray-scale reference voltages to generate plural gray-scale voltages, and selector circuits selecting one gray-scale voltage in accordance with the display data. The resistor circuit includes a resistive element provided with plural Intermediate taps for dividing voltages to generate the gray-scale voltages, gray-scale voltage lines corresponding to the gray-scale voltages, an interlayer insulating film insulating the gray-scale lines from the resistive element, and connections connecting the gray-scale voltage lines to corresponding ones of the intermediate taps through a hole in the interlayer insulating film.

摘要翻译： 具有像素的液晶显示元件，向像素施加视频信号电压的视频信号线和向视频信号线提供视频信号电压的视频信号线驱动器。 视频信号线驱动电路包括：灰度电压发生电路，设置有分压多个灰度参考电压之间的电压的电阻器电路，以产生多个灰度电压;以及选择器电路，根据显示器选择一个灰度电压 数据。 电阻电路包括具有多个中间抽头的电阻元件，用于划分电压以产生灰度电压，对应于灰度级电压的灰度电压线，将灰度线与电阻元件绝缘的层间绝缘膜 以及通过层间绝缘膜中的孔将灰度电压线与相应的中间抽头连接的连接。

公开(公告)号：US06417827B1

公开(公告)日：2002-07-09

申请号：US09493272

申请日：2000-01-28

申请人： Shoji Nagao ,  Takahiro Fujioka ,  Mitsuru Goto ,  Kazunari Saito ,  Shinji Yasukawa ,  Yozo Nakayasu ,  Kentaro Agata

发明人： Shoji Nagao ,  Takahiro Fujioka ,  Mitsuru Goto ,  Kazunari Saito ,  Shinji Yasukawa ,  Yozo Nakayasu ,  Kentaro Agata

IPC分类号： G09G336

CPC分类号： G09G3/2011 ,  G09G3/3614 ,  G09G3/3688 ,  G09G2310/027 ,  G09G2310/0297 ,  G09G2330/12

摘要： A MOS transistor (M1) which is arranged in the highest order of a low Vth MOS transistor grayscale group of a decoder circuit of a drain driver is formed of a CMOS transistor, to prevent a current from flowing from an output side into the low Vth MOS transistor portion owing to a grayscale voltage applied to another portion.

摘要翻译： 以漏极驱动器的解码电路的低Vth MOS晶体管灰度组为最高阶的MOS晶体管（M1）由CMOS晶体管形成，以防止电流从输出侧流向低Vth MOS晶体管部分由于施加到另一部分的灰度电压。

公开(公告)号：US06320630B1

公开(公告)日：2001-11-20

申请号：US09493073

申请日：2000-01-28

申请人： Yuji Yamashita ,  Mitsuru Goto ,  Masanari Saito ,  Shinji Yasukawa ,  Akira Ogura ,  Kentaro Agata

发明人： Yuji Yamashita ,  Mitsuru Goto ,  Masanari Saito ,  Shinji Yasukawa ,  Akira Ogura ,  Kentaro Agata

IPC分类号： G02F1136

CPC分类号： G09G3/3611 ,  G09G3/3688 ,  G09G2310/027 ,  H01L2924/0002 ,  H01L2924/00

摘要： A liquid crystal display device in which bump electrodes of a semiconductor chip included in a video signal line driving circuit are disposed over noise-absorbing protective diodes so that the area occupied by the semiconductor chip is decreased to reduce the size of the video signal line driving circuit.

摘要翻译： 一种液晶显示装置，其中包括在视频信号线驱动电路中的半导体芯片的凸起电极设置在吸收噪声的保护二极管之上，使得半导体芯片占据的面积减小，以减小视频信号线驱动的尺寸 电路。

公开(公告)号：US06535189B1

公开(公告)日：2003-03-18

申请号：US09621699

申请日：2000-07-21

申请人： Kenichi Akiyama ,  Yuji Yamashita ,  Hironobu Isami ,  Mitsuru Goto ,  Shinji Yasukawa ,  Koichi Kotera

发明人： Kenichi Akiyama ,  Yuji Yamashita ,  Hironobu Isami ,  Mitsuru Goto ,  Shinji Yasukawa ,  Koichi Kotera

IPC分类号： G09G336

CPC分类号： G09G3/2011 ,  G09G3/3688 ,  G09G2310/0297

摘要： A liquid crystal display device includes a liquid crystal panel having plural pixels and a video signal line driver circuit for supplying a video signal voltage to each of the pixels via a corresponding one of plural video lines in accordance with a P-bit display data. The video signal line driver circuit includes a power supply circuit for supplying Q different gray-scale voltages, plural selector circuits corresponding to the video lines, each of the selector circuits for outputting one of first and second pairs of voltages in accordance with the display data, the first pair being two voltages equal to a same one selected from among the Q different gray-scale voltages, the second pair being two different voltages selected from among the Q different gray-scale voltages, and plural amplifiers corresponding to the video lines, each of the amplifiers for outputting the video signal voltage to a corresponding one of the video lines based upon one of the first and second pairs of voltages or a voltage intermediate between the second pair of voltages and produced from the second pair of voltages in the amplifiers.

摘要翻译： 液晶显示装置包括具有多个像素的液晶面板和视频信号线驱动电路，用于根据P位显示数据经由多个视频行中的相应一个视频信号电压向每个像素提供视频信号电压。 视频信号线驱动电路包括用于提供Q个不同灰度电压的电源电路，对应于视频线的多个选择器电路，每个选择器电路用于根据显示数据输出第一和第二对电压中的一个 所述第一对是等于从所述Q个不同灰度级电压中选择的相同的两个电压，所述第二对是从所述Q个不同的灰度级电压中选出的两个不同的电压，以及对应于所述视频线的多个放大器， 每个放大器用于基于第一和第二对电压中的一个或者在第二对电压之间的电压之间输出视频信号电压到相应的一条视频线，并且由放大器中的第二对电压产生 。

公开(公告)号：US06862015B2

公开(公告)日：2005-03-01

申请号：US09836339

申请日：2001-04-18

申请人： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

发明人： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

IPC分类号： G02F1/133 ,  G09G3/20 ,  G09G3/36 ,  G09G5/18 ,  H04N5/66

CPC分类号： G09G3/3688 ,  G09G3/2011 ,  G09G5/18 ,  G09G2370/08

摘要： A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided. In a liquid crystal display device comprising a liquid crystal display element and liquid crystal driver circuitry, the liquid crystal driver circuitry is operable to receive an image signal as input thereto for taking it into a bus at the timing of a change of an internal clock signal from a first level to a second level or alternatively its change from the second level to the first level and then select from the image signal as taken or “accepted” into the bus a voltage used to drive the liquid crystal display element, wherein the internal clock signal is the clock signal that causes a first level period and a second level period of an external clock signal being input to the liquid crystal driver circuitry to be made identical or equalized by a clock compensation circuit to specified values respectively.

摘要翻译： 提供一种液晶显示装置，其能够通过对作为输入到液晶驱动电路的时钟信号的占空比的变化进行补偿来适当地执行图像信号的接收和接收来提高显示质量。 在包括液晶显示元件和液晶驱动器电路的液晶显示装置中，液晶驱动器电路可操作以接收作为其输入的图像信号，以在内部时钟信号改变的定时将其输入总线 从第一电平到第二电平或者其从第二电平到第一电平的变化，然后从图像信号中选择被采取或“接受”到总线中用于驱动液晶显示元件的电压，其中内部 时钟信号是使得输入到液晶驱动器电路的外部时钟信号的第一电平周期和第二电平周期分别由时钟补偿电路相同或均衡的时钟信号。

公开(公告)号：US07292215B2

公开(公告)日：2007-11-06

申请号：US10652028

申请日：2003-09-02

申请人： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

发明人： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G3/2011 ,  G09G5/18 ,  G09G2370/08

摘要： A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided. In a liquid crystal display device comprising a liquid crystal display element and liquid crystal driver circuitry, the liquid crystal driver circuitry is operable to receive an image signal as input thereto for taking it into a bus at the timing of a change of an internal clock signal from a first level to a second level or alternatively its change from the second level to the first level and then select from the image signal as taken or “accepted” into the bus a voltage used to drive the liquid crystal display element, wherein the internal clock signal is the clock signal that causes a first level period and a second level period of an external clock signal being input to the liquid crystal driver circuitry to be made identical or equalized by a clock compensation circuit to specified values respectively.

摘要翻译： 提供一种液晶显示装置，其能够通过对作为输入到液晶驱动电路的时钟信号的占空比的变化进行补偿来适当地执行图像信号的接收和接收来提高显示质量。 在包括液晶显示元件和液晶驱动器电路的液晶显示装置中，液晶驱动器电路可操作以接收作为其输入的图像信号，以在内部时钟信号改变的定时将其输入总线 从第一电平到第二电平或者其从第二电平到第一电平的变化，然后从图像信号中选择被采取或“接受”到总线中用于驱动液晶显示元件的电压，其中内部 时钟信号是使得输入到液晶驱动器电路的外部时钟信号的第一电平周期和第二电平周期分别由时钟补偿电路相同或均衡的时钟信号。

公开(公告)号：US07683874B2

公开(公告)日：2010-03-23

申请号：US11905356

申请日：2007-09-28

申请人： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

发明人： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G3/2011 ,  G09G5/18 ,  G09G2370/08

摘要： A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided. In a liquid crystal display device comprising a liquid crystal display element and liquid crystal driver circuitry, the liquid crystal driver circuitry is operable to receive an image signal as input thereto for taking it into a bus at the timing of a change of an internal clock signal from a first level to a second level or alternatively its change from the second level to the first level and then select from the image signal as taken or “accepted” into the bus a voltage used to drive the liquid crystal display element, wherein the internal clock signal is the clock signal that causes a first level period and a second level period of an external clock signal being input to the liquid crystal driver circuitry to be made identical or equalized by a clock compensation circuit to specified values respectively.

摘要翻译： 提供一种液晶显示装置，其能够通过对作为输入到液晶驱动电路的时钟信号的占空比的变化进行补偿来适当地执行图像信号的接收和接收来提高显示质量。 在包括液晶显示元件和液晶驱动器电路的液晶显示装置中，液晶驱动器电路可操作以接收作为其输入的图像信号，以在内部时钟信号改变的定时将其输入总线 从第一电平到第二电平或者其从第二电平到第一电平的变化，然后从图像信号中选择被采取或“接受”到总线中用于驱动液晶显示元件的电压，其中内部 时钟信号是使得输入到液晶驱动器电路的外部时钟信号的第一电平周期和第二电平周期分别由时钟补偿电路相同或均衡的时钟信号。

公开(公告)号：US20080036723A1

公开(公告)日：2008-02-14

申请号：US11905356

申请日：2007-09-28

申请人： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

发明人： Takahiro Fujioka ,  Shigeru Ito ,  Mitsuru Goto ,  Yozo Nakayasu ,  Yoshiyuki Saito

IPC分类号： G09G3/36

CPC分类号： G09G3/3688 ,  G09G3/2011 ,  G09G5/18 ,  G09G2370/08

摘要： A liquid crystal display device capable of improving display quality by enabling proper execution of receipt and acceptance of image signals through compensation for variation in duty ratios of clock signals as input to liquid crystal driver circuitry, is provided. In a liquid crystal display device comprising a liquid crystal display element and liquid crystal driver circuitry, the liquid crystal driver circuitry is operable to receive an image signal as input thereto for taking it into a bus at the timing of a change of an internal clock signal from a first level to a second level or alternatively its change from the second level to the first level and then select from the image signal as taken or “accepted” into the bus a voltage used to drive the liquid crystal display element, wherein the internal clock signal is the clock signal that causes a first level period and a second level period of an external clock signal being input to the liquid crystal driver circuitry to be made identical or equalized by a clock compensation circuit to specified values respectively.

摘要翻译： 提供一种液晶显示装置，其能够通过对作为输入到液晶驱动电路的时钟信号的占空比的变化进行补偿来适当地执行图像信号的接收和接收来提高显示质量。 在包括液晶显示元件和液晶驱动器电路的液晶显示装置中，液晶驱动器电路可操作以接收作为其输入的图像信号，以在内部时钟信号改变的定时将其输入总线 从第一电平到第二电平或者其从第二电平到第一电平的变化，然后从图像信号中选择被采取或“接受”到总线中用于驱动液晶显示元件的电压，其中内部 时钟信号是使得输入到液晶驱动器电路的外部时钟信号的第一电平周期和第二电平周期分别由时钟补偿电路相同或均衡的时钟信号。

公开(公告)号：US06924782B1

公开(公告)日：2005-08-02

申请号：US09182435

申请日：1998-10-30

申请人： Takahiro Fujioka ,  Kazunari Kurokawa ,  Hiroshi Katayanagi ,  Mitsuru Goto ,  Yukihide Ode ,  Akira Ogura ,  Kentaro Agata

发明人： Takahiro Fujioka ,  Kazunari Kurokawa ,  Hiroshi Katayanagi ,  Mitsuru Goto ,  Yukihide Ode ,  Akira Ogura ,  Kentaro Agata

IPC分类号： G02F1/136 ,  G02F1/133 ,  G02F1/1368 ,  G09G3/36

CPC分类号： G09G3/3688 ,  G09G3/3614 ,  G09G2310/027

摘要： A liquid crystal display device has a semiconductor integrated circuit capable of outputting a voltage equal to or higher than the source-drain withstand voltage of a component transistor. A switching circuit has first conducting-type first and second transistors connected in series between a first input terminal and a common output terminal and second conducting-type third and fourth transistors connected between a second input terminal and the common output terminal and a switching control circuit for controlling the switching circuit. The switching control circuit applies first and second bias voltages for turning on the second and fourth transistors to the gate electrodes of the second and fourth transistors, and applies a control voltage for selectively turning on/off the first or third transistor to the gate electrodes of the first and third transistors.

摘要翻译： 液晶显示装置具有能够输出等于或高于分量晶体管的源极 - 漏极耐受电压的电压的半导体集成电路。 开关电路具有串联连接在第一输入端子和公共输出端子之间的第一导通型第一和第二晶体管，以及连接在第二输入端子和公共输出端子之间的第二导电型第三和第四晶体管，以及开关控制电路 用于控制开关电路。 开关控制电路施加用于将第二和第四晶体管导通到第二和第四晶体管的栅极的第一和第二偏置电压，并施加用于选择性地将第一或第三晶体管导通/截止到栅电极的控制电压 第一和第三晶体管。

公开(公告)号：US06518946B2

公开(公告)日：2003-02-11

申请号：US09852790

申请日：2001-05-11

申请人： Yukihide Ode ,  Akira Ogura ,  Kentaro Agata ,  Kazunari Kurokawa ,  Takahiro Fujioka ,  Hiroshi Katayanagi ,  Mitsuru Goto

发明人： Yukihide Ode ,  Akira Ogura ,  Kentaro Agata ,  Kazunari Kurokawa ,  Takahiro Fujioka ,  Hiroshi Katayanagi ,  Mitsuru Goto

IPC分类号： G09G336

CPC分类号： G09G3/3688 ,  G09G3/2011 ,  G09G3/3614 ,  G09G2310/027 ,  G09G2310/0297 ,  H03M1/682 ,  H03M1/76 ,  H03M1/804

摘要： A liquid crystal display device including a liquid crystal panel having a plurality of pixels, a driving circuit applying a video signal voltage to each of the pixels in accordance with display data. The driving circuit has a first circuit, a second circuit, and a switching circuit which connects an output terminal of the first circuit with an input terminal of the second circuit. The first circuit outputs a first voltage and a second voltage in accordance with first display data, and outputs the second voltage and a third voltage in accordance with second display data. The second voltage is lower than the first voltage, and the third voltage is lower than the second voltage.

摘要翻译： 一种包括具有多个像素的液晶面板的液晶显示装置，根据显示数据向每个像素施加视频信号电压的驱动电路。 驱动电路具有将第一电路的输出端与第二电路的输入端连接起来的第一电路，第二电路和开关电路。 第一电路根据第一显示数据输出第一电压和第二电压，并且根据第二显示数据输出第二电压和第三电压。 第二电压低于第一电压，第三电压低于第二电压。