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1. 发明授权

US5929847A Voltage generating circuit, and common electrode drive circuit, signal line drive circuit and gray-scale voltage generating circuit for display devices 失效
公开(公告)号：US5929847A
公开(公告)日：1999-07-27
申请号：US194151
申请日：1994-02-09
申请人： Toshihiro Yanagi , Hisao Okada , Tadatsugu Nishitani , Yuji Yamamoto , Takeshi Takarada
发明人： Toshihiro Yanagi , Hisao Okada , Tadatsugu Nishitani , Yuji Yamamoto , Takeshi Takarada
IPC分类号： G09G3/20 , G09G3/36 , H04N3/12 , G09G5/00
CPC分类号： H04N3/127 , G09G3/3696 , G09G2330/021 , G09G3/2011 , G09G3/2014 , G09G3/3614 , G09G3/3655
摘要： A drive circuit for a display device supplying a plurality of gray-scale voltages to the display device, based on externally supplied digital video signal data, includes: a plurality of gray-scale power supplies, a plurality of drive power supplies, a unit for forming a first part of the plurality of gray-scale voltages using the gray-scale voltage power supplies, and a unit for forming a second part of the plurality of gray-scale voltages using the drive power supplies.

2. 发明授权

US06310616B1 Voltage generating circuit, and common electrode drive circuit signal line drive circuit and gray-scale voltage generating circuit for display device 有权
标题翻译：电压发生电路，公共电极驱动电路信号线驱动电路和显示装置的灰度电压发生电路
公开(公告)号：US06310616B1
公开(公告)日：2001-10-30
申请号：US09234446
申请日：1999-01-21
申请人： Toshihiro Yanagi , Hisao Okada , Tadatsugu Nishitani , Yuji Yamamoto , Takeshi Takarada
发明人： Toshihiro Yanagi , Hisao Okada , Tadatsugu Nishitani , Yuji Yamamoto , Takeshi Takarada
IPC分类号： G09G500
CPC分类号： H04N3/127 , G09G3/2011 , G09G3/2014 , G09G3/3614 , G09G3/3655 , G09G3/3696 , G09G2330/021
摘要： A drive circuit for a display device supplying a plurality of gray-scale voltages to the display device, based on externally supplied digital video signal data, includes: a plurality of gray-scale power supplies, a plurality of drive power supplies, a unit for forming a first part of the plurality of gray-scale voltages using the gray-scale voltage power supplies, and a unit for forming a second part of the plurality of gray-scale voltages using the drive power supplies.
摘要翻译：一种用于根据外部提供的数字视频信号数据向显示装置提供多个灰度电压的显示装置的驱动电路，包括：多个灰度电源，多个驱动电源，用于使用灰度级电压电源形成多个灰度电压的第一部分，以及使用驱动电源形成多个灰度电压的第二部分的单元。

3. 发明授权

US06509895B2 Voltage generating circuit, and common electrode drive circuit, signal line drive circuit and gray-scale voltage generating circuit for display devices 失效
公开(公告)号：US06509895B2
公开(公告)日：2003-01-21
申请号：US09916343
申请日：2001-07-30
申请人： Toshihiro Yanagi , Hisao Okada , Tadatsugu Nishitani , Yuji Yamamoto , Takeshi Takarada
发明人： Toshihiro Yanagi , Hisao Okada , Tadatsugu Nishitani , Yuji Yamamoto , Takeshi Takarada
IPC分类号： G09G500
CPC分类号： H04N3/127 , G09G3/2011 , G09G3/2014 , G09G3/3614 , G09G3/3655 , G09G3/3696 , G09G2330/021
摘要： A drive circuit for a display device supplying a plurality of gray-scale voltages to the display device, based on externally supplied digital video signal data, includes: a plurality of gray-scale power supplies, a plurality of drive power supplies, a unit for forming a first part of the plurality of gray-scale voltages using the gray-scale voltage power supplies, and a unit for forming a second part of the plurality of gray-scale voltages using the drive power supplies.

4. 发明授权

US5402142A Drive circuit for display apparatus 失效
标题翻译：显示装置的驱动电路
公开(公告)号：US5402142A
公开(公告)日：1995-03-28
申请号：US934389
申请日：1992-08-21
申请人： Hisao Okada , Yuji Yamamoto , Tadatsugu Nishitani , Toshihiro Yanagi
发明人： Hisao Okada , Yuji Yamamoto , Tadatsugu Nishitani , Toshihiro Yanagi
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36 , H04N3/12 , H04N5/20
CPC分类号： H04N3/127 , G09G3/3648 , G09G3/3655 , G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2320/0204 , G09G2320/0219 , G09G2320/0247 , G09G3/2011 , G09G3/3614
摘要： A drive circuit for a display apparatus includes an input section for receiving a digital video signal, a voltage supply section for generating a common electrode voltage and a plurality of gradation voltages, a driving section for selecting one of the plurality of gradation voltages according to the input digital video signal and applying the selected gradation voltage to one of the pixel electrodes, and for applying the common electrode voltage to the common electrode, the common electrode voltage being shifted based on a certain relationship so that a central value of the common electrode voltage is different from central values of the gradation voltages.
摘要翻译：用于显示装置的驱动电路包括用于接收数字视频信号的输入部分，用于产生公共电极电压和多个灰度电压的电压供应部分，用于根据所述多个灰度电压来选择所述多个灰度电压中的一个的驱动部分输入数字视频信号并将所选择的灰度电压施加到一个像素电极，并且将公共电极电压施加到公共电极，基于一定关系使公共电极电压偏移，使得公共电极电压的中心值不同于灰度电压的中心值。

5. 发明授权

US5680148A Driving circuit for a display apparatus capable of display of an image with gray scales 失效
标题翻译：用于能够以灰度显示图像的显示装置的驱动电路
公开(公告)号：US5680148A
公开(公告)日：1997-10-21
申请号：US503328
申请日：1995-07-17
申请人： Hisao Okada , Tadatsugu Nishitani , Toshihiro Yanagi
发明人： Hisao Okada , Tadatsugu Nishitani , Toshihiro Yanagi
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36
CPC分类号： G09G3/2011 , G09G3/3648 , G09G3/3688 , G09G2310/027 , G09G2320/0276 , G09G3/2014 , G09G3/3614
摘要： A driving circuit for a display apparatus is provided which apparatus includes pixels allowed to produce a display image by specific voltages applied thereto. The driving circuit includes: a first voltage output means for generating an interpolated voltage on the basis of gray-scale reference voltages supplied thereto, and applying the interpolated voltage to the pixels, the interpolated voltage being of a level between the voltage levels of the gray-scale reference voltages; and a second voltage output means for applying, to the pixels, a voltage different from the gray-scale reference voltages.
摘要翻译：提供了一种用于显示装置的驱动电路，该装置包括允许通过施加到其上的特定电压产生显示图像的像素。驱动电路包括：第一电压输出装置，用于基于提供给其的灰度参考电压产生内插电压，并将内插电压施加到像素，所述内插电压是灰度的电压电平之间的电平 - 参考电压; 以及第二电压输出装置，用于向像素施加不同于灰度参考电压的电压。

6. 发明授权

US5621426A Display apparatus and driving circuit for driving the same 失效
标题翻译：显示装置及其驱动电路
公开(公告)号：US5621426A
公开(公告)日：1997-04-15
申请号：US446064
申请日：1995-05-19
申请人： Hisao Okada , Tadatsugu Nishitani , Toshihiro Yanagi
发明人： Hisao Okada , Tadatsugu Nishitani , Toshihiro Yanagi
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36
CPC分类号： G09G3/3688 , G09G3/3696 , G09G2310/027 , G09G2330/02 , G09G3/2011 , G09G3/2018
摘要： A driving circuit for driving a display apparatus, includes: a control signal generating unit for generating a plurality of control signals in accordance with digital video data; a voltage signal output unit for receiving the plurality of control signals and selectively outputting at least one of a plurality of voltage signals supplied from a voltage supply unit in response to the plurality of control signals; and a signal delay unit, when a predetermined change occurs for each of the plurality of control signals, for transmitting the predetermined change to the voltage signal output unit with a predetermined period .DELTA.t delayed.
摘要翻译：一种用于驱动显示装置的驱动电路，包括：控制信号产生单元，用于根据数字视频数据产生多个控制信号; 电压信号输出单元，用于接收多个控制信号，并且响应于多个控制信号选择性地输出从电压提供单元提供的多个电压信号中的至少一个; 以及信号延迟单元，当对于所述多个控制信号中的每个控制信号发生预定的变化时，用于以预定周期DELTA t将所述预定变化发送到所述电压信号输出单元。

7. 发明授权

US5537129A Common electrode driving circuit for use in a display apparatus 失效
标题翻译：用于显示装置的公共电极驱动电路
公开(公告)号：US5537129A
公开(公告)日：1996-07-16
申请号：US178387
申请日：1993-12-23
申请人： Hisao Okada , Tadatsugu Nishitani , Yuji Yamamoto , Takeshi Takarada
发明人： Hisao Okada , Tadatsugu Nishitani , Yuji Yamamoto , Takeshi Takarada
IPC分类号： G02F1/133 , G09G3/36
CPC分类号： G09G3/3655 , G02F2203/66 , G09G2320/0209
摘要： A common electrode driving circuit for use in a display apparatus including a first substrate; a second substrate opposed to the first substrate with a display medium interposed therebetween; a plurality of pixel electrodes, a plurality of common electrode driving terminals provided on a surface of the first substrate opposed to the second substrate; and at least one common electrode provided on a surface of the second substrate opposed to the first substrate. The common electrode is opposed to the plurality of pixel electrodes and is connected to the plurality of common electrode driving terminals respectively through a plurality of common electrode transfer resistances. The common electrode driving circuit includes a detection device for detecting a resultant voltage applied to the common electrode through at least one of the plurality of common electrode transfer resistances; and a driving voltage generating circuit for generating a driving voltage based on a reference signal and a resultant voltage applied to the common electrode which is detected by the detection device and outputting the driving voltage to the plurality of common electrode driving terminals.
摘要翻译：一种在包括第一基板的显示装置中使用的公共电极驱动电路; 与所述第一基板相对的第二基板，其间具有显示介质; 多个像素电极，设置在与第二基板相对的第一基板的表面上的多个公共电极驱动端子; 以及设置在与第一基板相对的第二基板的表面上的至少一个公共电极。公共电极与多个像素电极相对，并且分别通过多个公共电极转印电阻连接到多个公共电极驱动端子。公共电极驱动电路包括检测装置，用于通过多个公共电极转移电阻中的至少一个来检测施加到公共电极的合成电压; 以及驱动电压产生电路，用于基于由所述检测装置检测到的参考信号和施加到所述公共电极的合成电压来产生驱动电压，并将所述驱动电压输出到所述多个公共电极驱动端子。

8. 发明授权

US5561442A Method and circuit for driving a display device 失效
标题翻译：用于驱动显示装置的方法和电路
公开(公告)号：US5561442A
公开(公告)日：1996-10-01
申请号：US543695
申请日：1995-10-16
申请人： Hisao Okada , Toshihiro Yanagi , Yuji Yamamoto
发明人： Hisao Okada , Toshihiro Yanagi , Yuji Yamamoto
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36
CPC分类号： G09G3/3648 , G09G3/3655 , G09G3/3696 , G09G2320/0209 , G09G3/2011 , G09G3/3614
摘要： A method for driving a display device including a display medium; a pair of substrates opposed to each other and interposing the display medium therebetween; a common electrode provided on one of the pair of substrates; and a switching element, a scanning electrode for applying a voltage for controlling the switching element to be in one of an ON state and an OFF state, and a signal electrode for applying a voltage in accordance with image data to the display medium, all of which are provided on the other substrate of the pair of substrates. The method includes the steps of driving the common electrode by a voltage represented by a first function which indicates a waveform of a voltage for driving the common electrode and uses time as a variable; and driving the scanning electrode by a voltage represented by a second function which indicates a waveform of a voltage for driving the scanning electrode and uses time as a variable, in the state where a primary differential of the first function and a primary differential of the second function are equal to each other when the switching element is in the OFF state
摘要翻译：一种用于驱动包括显示介质的显示装置的方法; 一对彼此相对并且在其间插入显示介质的基板; 设置在所述一对基板中的一个基板上的公共电极; 以及开关元件，用于将开关元件的控制电压施加为导通状态和断开状态的扫描电极，以及根据图像数据向显示介质施加电压的信号电极，全部其设置在一对基板的另一个基板上。该方法包括通过由表示用于驱动公共电极的电压的波形的第一功能表示的电压驱动公共电极并使用时间作为变量的步骤; 并且通过由表示用于驱动扫描电极的电压的波形的第二功能表示的电压并且使用时间作为变量来驱动扫描电极，在第一功能的初级差分和第二功能的初级差分的状态下当开关元件处于OFF状态时，功能彼此相等

9. 发明授权

US5635950A Drive circuit for a display apparatus 失效
标题翻译：用于显示装置的驱动电路
公开(公告)号：US5635950A
公开(公告)日：1997-06-03
申请号：US415668
申请日：1995-04-05
申请人： Hisao Okada , Shigeyuki Uehira , Katumi Miki , Kuniaki Tanaka , Toshihiro Yanagi
发明人： Hisao Okada , Shigeyuki Uehira , Katumi Miki , Kuniaki Tanaka , Toshihiro Yanagi
IPC分类号： G09G3/20 , G09G3/36 , H04N3/12
CPC分类号： G09G3/2011 , G09G3/2081 , G09G3/3688 , H04N3/127 , G09G2310/027 , G09G3/2014
摘要： In a drive circuit for a display apparatus into which a digital video signal is input and in which a plurality of parallel signal electrodes are provided, one of signal voltages having different levels is output in accordance with the digital video signal, or two adjacent ones of said signal voltages are simultaneously output. Alternatively, one of the signal voltages is supplied to a signal electrode in one portion of one output period, and another one of the signal voltages is supplied to the signal electrode in another portion of the output period. The length ratio of the two portions of one output period is appropriately determined according to the digital video signal, whereby an arbitrary voltage corresponding to the video signal data can be applied to the pixel.
摘要翻译：在其中输入数字视频信号并且其中设置有多个并行信号电极的显示装置的驱动电路中，根据数字视频信号或两个相邻的数字视频信号输出具有不同电平的信号电压之一所述信号电压同时输出。或者，信号电压中的一个在一个输出周期的一部分中被提供给信号电极，并且另一个信号电压在输出周期的另一部分中被提供给信号电极。根据数字视频信号适当地确定一个输出周期的两个部分的长度比，由此可以将对应于视频信号数据的任意电压施加到像素。

10. 发明授权

US6118421A Method and circuit for driving liquid crystal panel 失效
标题翻译：液晶面板驱动方法及电路
公开(公告)号：US6118421A
公开(公告)日：2000-09-12
申请号：US721717
申请日：1996-09-27
申请人： Takafumi Kawaguchi , Toshihiro Yanagi , Makoto Takeda , Hisao Okada
发明人： Takafumi Kawaguchi , Toshihiro Yanagi , Makoto Takeda , Hisao Okada
IPC分类号： G02F1/133 , G09G3/20 , G09G3/36
CPC分类号： G09G3/2011 , G09G3/3648 , G09G3/3655 , G09G3/3696 , G09G2310/0251 , G09G2310/027 , G09G2320/0204 , G09G2320/0209 , G09G2320/0214 , G09G3/3614
摘要： A method for driving a liquid crystal panel including a plurality of pixel electrodes arranged in a matrix, a plurality of data lines respectively connected to the pixel electrodes in a plurality of columns, a plurality of gate lines respectively connected to the pixel electrodes in a plurality of rows, and a plurality of switching devices, respectively connected to the pixel electrodes, for connecting and disconnecting the corresponding pixel electrode and the corresponding data line based on a signal sent from the corresponding gate line. The method includes the step of applying a driving voltage having a waveform corresponding to image data used for display to each data line while inverting the driving voltage gate line by gate line and frame by frame, so as to maintain an average value of the driving voltage in each frame within a certain range.
摘要翻译：一种用于驱动液晶面板的方法，所述液晶面板包括以矩阵形式布置的多个像素电极，分别连接到多个像素电极的多条数据线，分别连接到多个像素电极的多条栅极线以及分别连接到像素电极的多个开关装置，用于基于从相应的栅极线发送的信号连接和断开对应的像素电极和相应的数据线。该方法包括以下步骤：将具有对应于用于显示的图像数据的波形的驱动电压施加到每个数据线，同时通过栅极线和逐帧反相驱动电压栅极线，以便保持驱动电压的平均值在每个帧内在一定范围内。

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