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公开(公告)号：US20070024563A1
公开(公告)日：2007-02-01
申请号：US11425586
申请日：2006-06-21
申请人： Hisaharu Oura
发明人： Hisaharu Oura
IPC分类号： G09G3/36
CPC分类号： G09G3/3611 , G09G2320/0252 , G09G2320/0261 , G09G2320/041 , G09G2340/16
摘要： The present invention provides an image processing circuit capable of sufficiently correcting a temperature characteristic of a response speed, varying depending on gray-scale, of a liquid crystal display, while suppressing an increase in circuit scale. The present invention provides an image processing circuit for a liquid crystal display performing overdrive processing and the image processing circuit includes a overdrive LUT 1 for outputting an overdrive calculation value, based on image data of a previous frame and image data of a current frame, a plurality of temperature correction LUTs 2 each outputting a correction value for use in temperature correction of the overdrive calculation value, a temperature correction LUT selection circuit 3 for selecting one of the temperature correction LUTs 2 based on temperature data, and a correction calculation circuit 4 for calculating an overdrive output value based on the overdrive calculation value output from the overdrive LUT 1 and the correction value output from the temperature correction LUT 2 selected by the selection circuit 3.
摘要翻译： 本发明提供一种图像处理电路，能够在抑制电路规模的增加的同时，充分地校正液晶显示器的灰度变化的响应速度的温度特性。 本发明提供了一种用于执行过驱动处理的液晶显示器的图像处理电路，并且图像处理电路包括：用于根据前一帧的图像数据和当前帧的图像数据输出过驱动计算值的超驱动LUT 1， 多个温度校正LUT2，其输出用于过驱动计算值的温度校正的校正值;温度校正LUT选择电路3，用于基于温度数据选择温度校正LUT2之一;以及校正计算电路4，用于 基于从过驱动LUT 1输出的过驱动计算值和从选择电路3选择的温度校正LUT 2输出的校正值来计算过驱动输出值。
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公开(公告)号：US20050052398A1
公开(公告)日：2005-03-10
申请号：US10956152
申请日：2004-10-04
IPC分类号： G02F1/1335 , G02F1/133 , G02F1/13357 , G09G3/20 , G09G3/34 , G09G3/36 , H04N5/66
CPC分类号： G09G3/3696 , G09G3/3406 , G09G3/3648 , G09G2320/02 , G09G2320/064 , G09G2330/02 , G09G2330/06
摘要： A liquid crystal display according to the present invention can prevent interference fringe on a display panel due to a switching noise of a DC/DC converter, therefore a high-quality image can be displayed. Either of input signals for a timing control circuit is also supplied to a PLL circuit and the DC/DC converter is controlled by an output signal of the PLL circuit, thereby enables to synchronize a switching frequency of the DC/DC converter and control signal.
摘要翻译： 根据本发明的液晶显示器可以防止由于DC / DC转换器的开关噪声而导致的显示面板上的干涉条纹，因此可以显示高质量的图像。 用于定时控制电路的任一个输入信号也被提供给PLL电路，并且DC / DC转换器由PLL电路的输出信号控制，从而能够使DC / DC转换器的开关频率和控制信号同步。
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公开(公告)号：US20120287371A1
公开(公告)日：2012-11-15
申请号：US13449809
申请日：2012-04-18
申请人： Hisaharu OURA
发明人： Hisaharu OURA
IPC分类号： G02F1/13357
CPC分类号： G02F1/133615 , G02B6/0021 , G02B6/0068 , G02B6/0083 , G02B6/0091
摘要： A liquid crystal module includes a rear frame, a light guide plate, and a light source unit. The light guide plate is disposed in an interior of the rear frame. The light guide plate has a plurality of protruding components on a first end face of the light guide plate. The protruding components are spaced apart from each other and having distal end faces. The light source unit is disposed along the first end face of the light guide plate. The light source unit has a wiring board and a plurality of light source elements that is disposed on the wiring board. The distal end faces of the protruding components abuts the wiring board of the light source unit, respectively, such that the first end face of the light guide plate and each of the light source elements defines a spacing therebetween.
摘要翻译： 液晶模块包括后框架，导光板和光源单元。 导光板设置在后框架的内部。 导光板在导光板的第一端面上具有多个突起部件。 突出部件彼此间隔开并具有远端面。 光源单元沿着导光板的第一端面设置。 光源单元具有布线板和布置在布线板上的多个光源元件。 突出部件的前端面分别与光源单元的配线基板抵接，使得导光板的第一端面和每个光源元件之间形成间隔。
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公开(公告)号：US20070019878A1
公开(公告)日：2007-01-25
申请号：US11458545
申请日：2006-07-19
申请人： Hisaharu OURA
发明人： Hisaharu OURA
IPC分类号： G06K9/00
CPC分类号： G09G3/3611 , G09G3/2025 , G09G2320/0252 , G09G2320/0257 , G09G2320/0261 , G09G2320/0285 , G09G2320/106 , G09G2340/16
摘要： The present invention provides an image processing circuit capable of properly determining whether or not image data is a static image or a moving image and performing overdrive processing thereon. The image processing circuit includes a quantization unit (quantization/threshold-value proximity determination circuit) for quantizing image data input to a liquid crystal display with a predetermined threshold value and outputting the quantized data, a threshold-value proximity determination unit (quantization/threshold-value proximity determination circuit) for determining whether or not the image data is proximal to the threshold value and outputting threshold-value proximity determination data, a moving-image/static-image determination unit (moving-image/static-image determination circuit) for determining whether or not the image data of a current frame is a static image or a moving image, on the basis of the quantized data and the threshold-value proximity determination data of the current frame and the quantized data and the threshold-value proximity determination data of the previous frame, and an overdrive processing unit (LUT, moving-image/static-image processing circuit) for outputting the image data which has been subjected to overdrive processing if the moving-image/static-image determination unit determines that the image data is a moving image.
摘要翻译： 本发明提供一种能够正确地确定图像数据是静态图像还是运动图像并在其上执行过驱动处理的图像处理电路。 图像处理电路包括用于量化输入到预定阈值的液晶显示器的图像数据并输出量化数据的量化单元（量化/阈值接近确定电路），阈值接近度确定单元（量化/阈值 - 值接近确定电路），用于确定图像数据是否接近阈值并输出阈值接近度确定数据;运动图像/静态图像确定单元（运动图像/静态图像确定电路） 用于基于当前帧的量化数据和阈值接近度确定数据以及量化数据和阈值接近度来确定当前帧的图像数据是静态图像还是运动图像 前一帧的确定数据和用于的过驱动处理单元（LUT，运动图像/静态图像处理电路） 如果运动图像/静态图像确定单元确定图像数据是运动图像，则输出已经经过过驱动处理的图像数据。
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公开(公告)号：US20050212988A1
公开(公告)日：2005-09-29
申请号：US11061532
申请日：2005-02-18
申请人： Shingo Nagano , Yuichi Masutani , Hisaharu Oura
发明人： Shingo Nagano , Yuichi Masutani , Hisaharu Oura
IPC分类号： G02F1/1343 , G02F1/133 , G02F1/136 , G09G3/20 , G09G3/36
CPC分类号： G09G3/3611 , G09G3/2011 , G09G3/3614 , G09G3/3688 , G09G3/3696 , G09G2300/0434 , G09G2310/0248 , G09G2310/027 , G09G2310/06 , G09G2320/0209
摘要： A liquid crystal display apparatus according to the invention is an in-plane switching liquid crystal display apparatus having gate wirings and source wirings, which intersect one another, and also having pixel electrodes each connected to an associated one of the source wirings, and common electrodes disposed opposite to the pixel electrodes. A scanning signal is inputted to the gate wiring so that one horizontal period has a writing period, in which a pixel potential is written to the pixel electrode, and a nonwriting period, in which no pixel potential is written to the pixel electrode. The pixel potential is outputted to the source wiring in the writing period, while a common potential is inputted to the source wiring in the nonwriting period.
摘要翻译： 根据本发明的液晶显示装置是具有栅极布线和源极布线的面内切换液晶显示装置，其彼此相交，并且还具有各自连接到相关联的源极布线的像素电极和公共电极 与像素电极相对设置。 扫描信号被输入到栅极布线，使得一个水平周期具有其中像素电位被写入到像素电极的写入周期和不对像素电极写入像素电位的非写入周期。 在写入期间，将像素电位输出到源极配线，而在非写入期间将公共电位输入到源极配线。
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公开(公告)号：US06822633B2
公开(公告)日：2004-11-23
申请号：US09972938
申请日：2001-10-10
IPC分类号： G09G336
CPC分类号： G09G3/3696 , G09G3/3406 , G09G3/3648 , G09G2320/02 , G09G2320/064 , G09G2330/02 , G09G2330/06
摘要： A liquid crystal display according to the present invention can prevent interference fringe on a display panel due to a switching noise of a DC/DC converter, therefore a high-quality image can be displayed. Either of input signals for a timing control circuit is also supplied to a PLL circuit and the DC/DC converter is controlled by an output signal of the PLL circuit, thereby enables to synchronize a switching frequency of the DC/DC converter and control signal.
摘要翻译： 根据本发明的液晶显示器可以防止由于DC / DC转换器的开关噪声而导致的显示面板上的干涉条纹，因此可以显示高质量的图像。 用于定时控制电路的任一个输入信号也被提供给PLL电路，并且DC / DC转换器由PLL电路的输出信号控制，从而能够使DC / DC转换器的开关频率和控制信号同步。
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公开(公告)号：US06515427B2
公开(公告)日：2003-02-04
申请号：US09991646
申请日：2001-11-26
申请人： Hisaharu Oura , Hironori Takaoka
发明人： Hisaharu Oura , Hironori Takaoka
IPC分类号： H05B4124
CPC分类号： H05B41/2821
摘要： The inverter for multi-tube type backlight includes two step-up transformers of one-side grounded type, wherein the two step-up tranformers respectively output electric power to one or a plurality of cold cathode tubes, and wherein outputs of the two step-up tranformers are of identical frequency but of mutually reversed phases.
摘要翻译： 多管型背光逆变器包括两侧接地型的升压变压器，其中两个升压变压器分别向一个或多个冷阴极管输出电力，其中， 上变频器频率相同但相互相反的阶段。
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公开(公告)号：US08842233B2
公开(公告)日：2014-09-23
申请号：US13449809
申请日：2012-04-18
申请人： Hisaharu Oura
发明人： Hisaharu Oura
IPC分类号： G02F1/1333 , G02F1/1335
CPC分类号： G02F1/133615 , G02B6/0021 , G02B6/0068 , G02B6/0083 , G02B6/0091
摘要： A liquid crystal module includes a rear frame, a light guide plate, and a light source unit. The light guide plate is disposed in an interior of the rear frame. The light guide plate has a plurality of protruding components on a first end face of the light guide plate. The protruding components are spaced apart from each other and having distal end faces. The light source unit is disposed along the first end face of the light guide plate. The light source unit has a wiring board and a plurality of light source elements that is disposed on the wiring board. The distal end faces of the protruding components abuts the wiring board of the light source unit, respectively, such that the first end face of the light guide plate and each of the light source elements defines a spacing therebetween.
摘要翻译： 液晶模块包括后框架，导光板和光源单元。 导光板设置在后框架的内部。 导光板在导光板的第一端面上具有多个突起部件。 突出部件彼此间隔开并具有远端面。 光源单元沿着导光板的第一端面设置。 光源单元具有布线板和布置在布线板上的多个光源元件。 突出部件的前端面分别与光源单元的配线基板抵接，使得导光板的第一端面和每个光源元件之间形成间隔。
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公开(公告)号：US07734108B2
公开(公告)日：2010-06-08
申请号：US11458545
申请日：2006-07-19
申请人： Hisaharu Oura
发明人： Hisaharu Oura
CPC分类号： G09G3/3611 , G09G3/2025 , G09G2320/0252 , G09G2320/0257 , G09G2320/0261 , G09G2320/0285 , G09G2320/106 , G09G2340/16
摘要： The present invention provides an image processing circuit capable of properly determining whether or not image data is a static image or a moving image and performing overdrive processing thereon. The image processing circuit includes a quantization unit (quantization/threshold-value proximity determination circuit) for quantizing image data input to a liquid crystal display with a predetermined threshold value and outputting the quantized data, a threshold-value proximity determination unit (quantization/threshold-value proximity determination circuit) for determining whether or not the image data is proximal to the threshold value and outputting threshold-value proximity determination data, a moving-image/static-image determination unit (moving-image/static-image determination circuit) for determining whether or not the image data of a current frame is a static image or a moving image, on the basis of the quantized data and the threshold-value proximity determination data of the current frame and the quantized data and the threshold-value proximity determination data of the previous frame, and an overdrive processing unit (LUT, moving-image/static-image processing circuit) for outputting the image data which has been subjected to overdrive processing if the moving-image/static-image determination unit determines that the image data is a moving image.
摘要翻译： 本发明提供一种能够正确地确定图像数据是静态图像还是运动图像并在其上执行过驱动处理的图像处理电路。 图像处理电路包括用于量化输入到预定阈值的液晶显示器的图像数据并输出量化数据的量化单元（量化/阈值接近确定电路），阈值接近度确定单元（量化/阈值 - 值接近确定电路），用于确定图像数据是否接近阈值并输出阈值接近度确定数据;运动图像/静态图像确定单元（运动图像/静态图像确定电路） 用于基于当前帧的量化数据和阈值接近度确定数据以及量化数据和阈值接近度来确定当前帧的图像数据是静态图像还是运动图像 前一帧的确定数据和用于的过驱动处理单元（LUT，运动图像/静态图像处理电路） 如果运动图像/静态图像确定单元确定图像数据是运动图像，则输出已经经过过驱动处理的图像数据。
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公开(公告)号：US07642999B2
公开(公告)日：2010-01-05
申请号：US11425586
申请日：2006-06-21
申请人： Hisaharu Oura
发明人： Hisaharu Oura
CPC分类号： G09G3/3611 , G09G2320/0252 , G09G2320/0261 , G09G2320/041 , G09G2340/16
摘要： The present invention provides an image processing circuit capable of sufficiently correcting a temperature characteristic of a response speed, varying depending on gray-scale, of a liquid crystal display, while suppressing an increase in circuit scale. The present invention provides an image processing circuit for a liquid crystal display performing overdrive processing and the image processing circuit includes a overdrive LUT 1 for outputting an overdrive calculation value, based on image data of a previous frame and image data of a current frame, a plurality of temperature correction LUTs 2 each outputting a correction value for use in temperature correction of the overdrive calculation value, a temperature correction LUT selection circuit 3 for selecting one of the temperature correction LUTs 2 based on temperature data, and a correction calculation circuit 4 for calculating an overdrive output value based on the overdrive calculation value output from the overdrive LUT 1 and the correction value output from the temperature correction LUT 2 selected by the selection circuit 3.
摘要翻译： 本发明提供一种图像处理电路，能够在抑制电路规模的增加的同时，充分地校正液晶显示器的灰度变化的响应速度的温度特性。 本发明提供了一种用于执行过驱动处理的液晶显示器的图像处理电路，并且图像处理电路包括：用于根据前一帧的图像数据和当前帧的图像数据输出过驱动计算值的超驱动LUT 1， 多个温度校正LUT2，其输出用于过驱动计算值的温度校正的校正值;温度校正LUT选择电路3，用于基于温度数据选择温度校正LUT2之一;以及校正计算电路4，用于 基于从过驱动LUT 1输出的过驱动计算值和从选择电路3选择的温度校正LUT 2输出的校正值来计算过驱动输出值。
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