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1. 发明申请

US20110122170A1 METHOD OF COMPENSATING FOR PIXEL DATA AND LIQUID CRYSTAL DISPLAY 有权
标题翻译：补偿像素数据和液晶显示的方法
公开(公告)号：US20110122170A1
公开(公告)日：2011-05-26
申请号：US12843263
申请日：2010-07-26
申请人： Dongwoo Kim , Heejung Hong , Kyungjoon Kwon , Heewon Ahn , Daeho Cho
发明人： Dongwoo Kim , Heejung Hong , Kyungjoon Kwon , Heewon Ahn , Daeho Cho
IPC分类号： G09G3/36 , G09G5/10
CPC分类号： G09G3/3406 , G09G3/3648 , G09G2320/0646 , G09G2320/066
摘要： A method of compensating for pixel data includes extending a side portion and a corner portion of a real screen to set an virtual screen, setting dimming values of the virtual screen using dimming values of the real screen, calculating an amount of light of each of pixels on the real screen using the dimming values of the virtual screen mapped to a predetermined analysis area, and multiplying the amount of light of each pixel by a gain of each pixel to modulate pixel data.
摘要翻译：补偿像素数据的方法包括延伸真实屏幕的侧部和角部以设置虚拟屏幕，使用实际屏幕的调光值设置虚拟屏幕的调光值，计算每个像素的光量在实际屏幕上使用映射到预定分析区域的虚拟屏幕的调光值，并且将每个像素的光量乘以每个像素的增益以调制像素数据。

2. 发明授权

US08890794B2 Method of compensating for pixel data and liquid crystal display 有权
标题翻译：补偿像素数据和液晶显示的方法
公开(公告)号：US08890794B2
公开(公告)日：2014-11-18
申请号：US12843263
申请日：2010-07-26
申请人： Dongwoo Kim , Heejung Hong , Kyungjoon Kwon , Heewon Ahn , Daeho Cho
发明人： Dongwoo Kim , Heejung Hong , Kyungjoon Kwon , Heewon Ahn , Daeho Cho
IPC分类号： G09G3/36 , G09G5/00 , G09G3/34
CPC分类号： G09G3/3406 , G09G3/3648 , G09G2320/0646 , G09G2320/066
摘要： A method of compensating for pixel data includes extending a side portion and a corner portion of a real screen to set an virtual screen, setting dimming values of the virtual screen using dimming values of the real screen, calculating an amount of light of each of pixels on the real screen using the dimming values of the virtual screen mapped to a predetermined analysis area, and multiplying the amount of light of each pixel by a gain of each pixel to modulate pixel data.
摘要翻译：补偿像素数据的方法包括延伸真实屏幕的侧部和角部以设置虚拟屏幕，使用实际屏幕的调光值设置虚拟屏幕的调光值，计算每个像素的光量在实际屏幕上使用映射到预定分析区域的虚拟屏幕的调光值，并且将每个像素的光量乘以每个像素的增益以调制像素数据。

3. 发明授权

US08797370B2 Liquid crystal display and local dimming control method thereof 有权
标题翻译：液晶显示器及其局部调光控制方法
公开(公告)号：US08797370B2
公开(公告)日：2014-08-05
申请号：US13267573
申请日：2011-10-06
申请人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
发明人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
IPC分类号： G09G3/36 , G09G5/10 , G09G5/02 , G09G3/00
CPC分类号： G09G3/003 , G09G3/3648 , G09G2320/0646 , G09G2340/16 , G09G2360/16 , H04N13/341
摘要： A liquid crystal display and a local dimming control method thereof are discussed. The liquid crystal display includes a liquid crystal display panel selectively displaying a 2D image and a 3D image in response to a mode signal, a backlight unit including a plurality of light sources, a backlight driving circuit individually driving a plurality of previously determined blocks each including the light sources based on a dimming value of each block, and a local dimming control circuit, that calculates a pixel gain value based on a dimming value of each block in a first frame, applies the pixel gain value to a data compensation for a second frame, which is arranged later than the first frame, and varies a time point when the pixel gain value for the data compensation is applied in response to the mode signal.
摘要翻译：讨论了液晶显示器及其局部调光控制方法。液晶显示器包括响应于模式信号选择性地显示2D图像和3D图像的液晶显示面板，包括多个光源的背光单元，分别驱动多个先前确定的块的背光驱动电路，每个包括基于每个块的调光值的光源和局部调光控制电路，其基于第一帧中的每个块的调光值来计算像素增益值，将像素增益值应用于第二帧的数据补偿帧，其布置在比第一帧晚的位置，并且响应于模式信号而改变用于数据补偿的像素增益值的时间点。

4. 发明申请

US20120147001A1 IMAGE PROCESSING UNIT, STEREOSCOPIC IMAGE DISPLAY USING THE SAME, AND IMAGE PROCESSING METHOD 有权
标题翻译：图像处理单元，使用其的立体图像显示和图像处理方法
公开(公告)号：US20120147001A1
公开(公告)日：2012-06-14
申请号：US13313962
申请日：2011-12-07
申请人： Byoungchul CHO , Heejung Hong , Daeho Cho , Changkyun Park
发明人： Byoungchul CHO , Heejung Hong , Daeho Cho , Changkyun Park
IPC分类号： G06T15/00
CPC分类号： G02B27/26 , G09G3/003 , G09G3/3648 , H04N13/337 , H04N13/339 , H04N13/356 , H04N2213/007
摘要： An image processing unit, a stereoscopic image display using the same, and an image processing method are disclosed. The image processing unit includes a data modulation unit, that receives 3D image data including left eye image data and right eye image data, compares a pixel data of the left eye image and a pixel data of the right eye image corresponding to the same coordinate of the previously set mask with each other, calculates the number of cases where a difference between the same pixel data of the left eye image data and the right eye image data is equal to or greater than a predetermined threshold value, and modulates the pixel data of the left eye image and the pixel data of the right eye image inside the mask using a first coefficient group of the mask when the number of cases is greater than a predetermined value.
摘要翻译：公开了一种图像处理单元，使用其的立体图像显示器和图像处理方法。图像处理单元包括数据调制单元，其接收包括左眼图像数据和右眼图像数据的3D图像数据，将左眼图像的像素数据与对应于左眼图像的相同坐标的右眼图像的像素数据进行比较先前设置的掩模彼此计算左眼图像数据和右眼图像数据的相同像素数据之间的差异等于或大于预定阈值的情况的数量，并且调制像素数据左眼图像和右眼图像中的右眼图像的像素数据，使用掩模的第一系数组时的情况数量大于预定值。

5. 发明申请

US20120086713A1 LIQUID CRYSTAL DISPLAY AND LOCAL DIMMING CONTROL METHOD THEREOF 有权
标题翻译：液晶显示及其本地调光控制方法
公开(公告)号：US20120086713A1
公开(公告)日：2012-04-12
申请号：US13267573
申请日：2011-10-06
申请人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
发明人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
IPC分类号： G06T15/00
CPC分类号： G09G3/003 , G09G3/3648 , G09G2320/0646 , G09G2340/16 , G09G2360/16 , H04N13/341
摘要： A liquid crystal display and a local dimming control method thereof are discussed. The liquid crystal display includes a liquid crystal display panel selectively displaying a 2D image and a 3D image in response to a mode signal, a backlight unit including a plurality of light sources, a backlight driving circuit individually driving a plurality of previously determined blocks each including the light sources based on a dimming value of each block, and a local dimming control circuit, that calculates a pixel gain value based on a dimming value of each block in a first frame, applies the pixel gain value to a data compensation for a second frame, which is arranged later than the first frame, and varies a time point when the pixel gain value for the data compensation is applied in response to the mode signal.
摘要翻译：讨论了液晶显示器及其局部调光控制方法。液晶显示器包括响应于模式信号选择性地显示2D图像和3D图像的液晶显示面板，包括多个光源的背光单元，分别驱动多个先前确定的块的背光驱动电路，每个包括基于每个块的调光值的光源和局部调光控制电路，其基于第一帧中的每个块的调光值来计算像素增益值，将像素增益值应用于第二帧的数据补偿帧，其布置在比第一帧晚的位置，并且响应于模式信号而改变用于数据补偿的像素增益值的时间点。

6. 发明授权

US08928732B2 Image processing unit, stereoscopic image display using the same, and image processing method 有权
标题翻译：图像处理单元，使用其的立体图像显示和图像处理方法
公开(公告)号：US08928732B2
公开(公告)日：2015-01-06
申请号：US13313962
申请日：2011-12-07
申请人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
发明人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
IPC分类号： H04N13/00 , G02B27/26 , H04N13/04 , G09G3/00 , G09G3/36
CPC分类号： G02B27/26 , G09G3/003 , G09G3/3648 , H04N13/337 , H04N13/339 , H04N13/356 , H04N2213/007
摘要： An image processing unit, a stereoscopic image display using the same, and an image processing method are disclosed. The image processing unit includes a data modulation unit, that receives 3D image data including left eye image data and right eye image data, compares a pixel data of the left eye image and a pixel data of the right eye image corresponding to the same coordinate of the previously set mask with each other, calculates the number of cases where a difference between the same pixel data of the left eye image data and the right eye image data is equal to or greater than a predetermined threshold value, and modulates the pixel data of the left eye image and the pixel data of the right eye image inside the mask using a first coefficient group of the mask when the number of cases is greater than a predetermined value.
摘要翻译：公开了一种图像处理单元，使用其的立体图像显示器和图像处理方法。图像处理单元包括数据调制单元，其接收包括左眼图像数据和右眼图像数据的3D图像数据，将左眼图像的像素数据与对应于左眼图像的相同坐标的右眼图像的像素数据进行比较先前设置的掩模彼此计算左眼图像数据和右眼图像数据的相同像素数据之间的差异等于或大于预定阈值的情况的数量，并且调制像素数据左眼图像和右眼图像中的右眼图像的像素数据，使用掩模的第一系数组时的情况数量大于预定值。

7. 发明申请

US20120133685A1 LOCAL DIMMING METHOD AND LIQUID CRYSTAL DISPLAY 有权
标题翻译：本地调光方法和液晶显示
公开(公告)号：US20120133685A1
公开(公告)日：2012-05-31
申请号：US13304011
申请日：2011-11-23
申请人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
发明人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
IPC分类号： G09G3/36 , G09G5/10
CPC分类号： G09G3/3426 , G09G2320/0646
摘要： A local dimming method and a liquid crystal display using the same are provided. The local dimming method includes segmenting an input image into N×M (where N and M are positive integer greater than n) blocks; determining representative values of the blocks, which define average luminance of the respective blocks; analyzing the input image; setting a spatial filter mask having a size of n×n (where n is a positive integer greater than 3 and equal to or smaller than 10), increasing the number of coefficients greater than 0 in the spatial filter mask when the input image is determined as a dark image, and decreasing the number of coefficients greater than 0 in the spatial filter mask when the input image is determined as a bright image; and multiplying the block representative values by coefficients of the spatial filter mask to determine a dimming value for each block.
摘要翻译：提供局部调光方法和使用其的液晶显示器。本地调光方法包括将输入图像分割为N×M（其中N和M是大于n的正整数）块; 确定所述块的代表值，其定义各个块的平均亮度; 分析输入图像; 设置尺寸为n×n（其中n为大于3且等于或小于10的正整数）的空间滤波器掩模，当确定输入图像时，增加空间滤波器掩码中大于0的系数数作为暗图像，并且当输入图像被确定为明亮图像时，在空间滤波器掩码中减小大于0的系数数; 并将块代表值乘以空间滤波器掩码的系数，以确定每个块的调光值。

8. 发明授权

US09595229B2 Local dimming method and liquid crystal display 有权
标题翻译：局部调光方式和液晶显示
公开(公告)号：US09595229B2
公开(公告)日：2017-03-14
申请号：US13304011
申请日：2011-11-23
申请人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
发明人： Byoungchul Cho , Heejung Hong , Daeho Cho , Changkyun Park
IPC分类号： G09G3/36 , G09G3/34
CPC分类号： G09G3/3426 , G09G2320/0646
摘要： A local dimming method and a liquid crystal display using the same are provided. The local dimming method includes segmenting an input image into N×M (where N and M are positive integer greater than n) blocks; determining representative values of the blocks, which define average luminance of the respective blocks; analyzing the input image; setting a spatial filter mask having a size of n×n (where n is a positive integer greater than 3 and equal to or smaller than 10), increasing the number of coefficients greater than 0 in the spatial filter mask when the input image is determined as a dark image, and decreasing the number of coefficients greater than 0 in the spatial filter mask when the input image is determined as a bright image; and multiplying the block representative values by coefficients of the spatial filter mask to determine a dimming value for each block.
摘要翻译：提供局部调光方法和使用其的液晶显示器。本地调光方法包括将输入图像分割为N×M（其中N和M是大于n的正整数）块; 确定所述块的代表值，其定义各个块的平均亮度; 分析输入图像; 设置尺寸为n×n（其中n为大于3且等于或小于10的正整数）的空间滤波器掩模，当确定输入图像时，增加空间滤波器掩码中大于0的系数数作为暗图像，并且当输入图像被确定为明亮图像时，在空间滤波器掩码中减小大于0的系数数; 并将块代表值乘以空间滤波器掩码的系数，以确定每个块的调光值。

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