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11.发明授权公开(公告)号：US09747828B2
公开(公告)日：2017-08-29
申请号：US14400549
申请日：2014-10-24
Inventor： Lixuan Chen , Chih-tsung Kang , Weiwei Zheng
IPC: G02F1/1362 , G09G3/20 , G09G3/36
CPC classification number: G09G3/2003 , G02F1/1362 , G02F1/136286 , G02F2201/52 , G09G3/2074 , G09G3/36 , G09G3/3688 , G09G2300/0452 , G09G2310/027 , G09G2320/0285 , G09G2320/0626 , G09G2330/021
Abstract: The present invention discloses a liquid crystal display panel comprising: a display area in which a display area in which an array of pixel units is disposed, each of the pixel unit at least comprises a blue sub-pixel; a plurality of scan lines for providing a plurality of scan signals to the pixel units; and a plurality of data lines for providing a plurality of data signals to the pixel units, wherein the blue sub-pixels of the pixel units in every two neighbored columns are coupled to a first data line, and the first data line provides an identical data signal to the blue sub-pixels in a same line of the two neighbored columns. The present invention further discloses a method for driving the liquid crystal panel and a liquid crystal display comprising the liquid crystal panel in the disclosure.
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12.发明授权公开(公告)号：US09746733B2
公开(公告)日：2017-08-29
申请号：US14426151
申请日：2014-10-24
Inventor： Lixuan Chen , Chih-tsung Kang , Weiwei Zheng
IPC: G02F1/1362 , G09G3/20 , G09G5/06 , G09G3/36
CPC classification number: G02F1/136286 , G09G3/2011 , G09G3/3607 , G09G3/3648 , G09G3/3659 , G09G5/06 , G09G2300/0404 , G09G2300/0443 , G09G2300/0804 , G09G2310/027 , G09G2320/0209 , G09G2320/0233 , G09G2320/0295 , G09G2320/0666 , G09G2320/0673 , G09G2320/0693
Abstract: The present invention provides a liquid crystal display panel comprising: a display area in which a display area in which an array of pixel units is disposed, each of the pixel unit at least comprises a blue sub-pixel; a plurality of scan lines for providing a plurality of scan signals to the pixel units; and a plurality of data lines for providing a plurality of data signals to the pixel units, wherein the blue sub-pixels of the pixel units in every two separated columns, which are separated by one column, are coupled to a first data line, and the first data line provides an identical data signal to the blue sub-pixels in a same line of the two separated columns. The present invention further provides a method for driving the liquid crystal panel and a liquid crystal display comprising the above mentioned liquid crystal panel.
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公开(公告)号：US09478192B2
公开(公告)日：2016-10-25
申请号：US14370232
申请日：2014-01-17
Inventor： Lixuan Chen , Chih-tsung Kang
CPC classification number: G09G5/02 , G01J3/462 , G06T5/002 , G06T5/20 , G06T7/90 , G06T2207/10024 , G06T2207/20024 , G06T2207/20032 , G09G3/2003 , G09G2320/0242 , G09G2320/029 , G09G2320/0666 , G09G2360/145
Abstract: The present invention discloses an image processing method includes steps of measuring stimulus value matrixes of trichromatic grays of a displaying image; calculating a stimulus value matrix of each pixel gray of the displaying image from the measured stimulus value matrixes; transforming the stimulus value matrixes of each pixel gray to coordinate values of each pixel in a color space; calculating a chromatic aberration between two adjacent pixels of each row and each column in the color space; selecting a pixel area and calculating a chromatic aberration value of the pixels in the selected pixel area and a chromatic aberration value between pixels of a periphery of the selected pixel area and the adjacent pixels out of the selected pixel area; executing an image process to the selected pixel area if a difference between these two chromatic aberration values and a preset chromatic aberration threshold value meets a predetermined rule.
Abstract translation: 本发明公开了一种图像处理方法，包括测量显示图像的三色灰度的激励值矩阵的步骤; 从测量的刺激值矩阵计算显示图像的每个像素灰度的刺激值矩阵; 将每个像素灰度的刺激值矩阵变换为颜色空间中每个像素的坐标值; 计算每行的两个相邻像素和颜色空间中的每列之间的色差; 选择像素区域并计算所选择的像素区域中的像素的色差值，以及选择像素区域中的所选像素区域和相邻像素的周边的像素之间的色像差值; 如果这两个色差值和预设色差阈值之间的差符合预定规则，则对所选择的像素区域执行图像处理。
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14.发明授权Liquid crystal display device, four-color converter, and conversion method for converting RGB data to RGBW data 有权液晶显示装置，四色转换器以及将RGB数据转换成RGBW数据的转换方法公开(公告)号：US09280940B2
公开(公告)日：2016-03-08
申请号：US14386789
申请日：2014-08-01
Inventor： Lixuan Chen , Chih-tsung Kang
IPC: G09G3/36
CPC classification number: G09G3/3607 , G09G2300/0452 , G09G2320/0666 , G09G2340/06
Abstract: An LCD device includes a four-color converter for converting an original RGB data into three grayscale values, executing a white balance process to the three grayscale values, and confirming a maximum value MAX (Ri, Gi, Bi) and a minimum value of the three white-balanced grayscale values Ri, Gi, and Bi, wherein, when the minimum value is greater than 0, determining that if the three data of the original RGB data are equal, and when they are equal, utilizing a formula Wo=Bi; Ro=Ri×Wo/MAX(Ri, Gi, Bi)+Ri−Wo; Go=Gi×Wo/MAX(Ri, Gi, Bi)+Gi−Wo; Bo=0 to calculate the output grayscale values Ro, Go, Bo, and Wo in the RGBW data. The device also includes a data driver for processing the RGBW data provided by the four-color converter to generate analog type data signals, a scanning driver for sequentially generating scanning signals, and an LCD panel for displaying colors.
Abstract translation: LCD装置包括用于将原始RGB数据转换为三灰度值的四色转换器，对三个灰阶值执行白平衡处理，并确认最大值MAX（Ri，Gi，Bi）和最小值 三个白平衡灰度值Ri，Gi和Bi，其中当最小值大于0时，确定如果原始RGB数据的三个数据相等，并且当它们相等时，利用公式Wo = Bi ; Ro = Ri×Wo / MAX（Ri，Gi，Bi）+ Ri-Wo; Go = Gi×Wo / MAX（Ri，Gi，Bi）+ Gi-Wo; Bo = 0，以计算RGBW数据中的输出灰度值Ro，Go，Bo和Wo。 该装置还包括用于处理由四色转换器提供的RGBW数据以产生模拟型数据信号的数据驱动器，用于顺序生成扫描信号的扫描驱动器和用于显示颜色的LCD面板。
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15.发明授权Method for establishing an evaluation standard parameter and method for evaluating the quality of a display image 有权用于建立用于评估显示图像的质量的评估标准参数和方法的方法公开(公告)号：US08989488B2
公开(公告)日：2015-03-24
申请号：US13813440
申请日：2013-01-16
Inventor： Lixuan Chen , Chih-tsung Kang
CPC classification number: G06T7/001 , G06T2207/10024 , G06T2207/20056 , G06T2207/30121
Abstract: The present invention discloses a method for establishing an evaluation standard parameter and method for evaluating the quality of a display image, wherein, the method comprises: taking pictures to a group of test images having different color shift severity degrees to obtain a sample picture group; selecting a standard picture by human eye; applying the Fourier transform for the brightness of the pictures of the sample picture group; applying convolution to the frequency distribution function and a contrast sensitivity function of human eye in the frequency domain; normalizing to the convolution function to obtain an evaluation parameter; selecting the evaluation parameter of the standard picture from the evaluation parameters of all the pictures of the sample picture group as an evaluation standard parameter. The present invention can obtain more objective and systemic evaluation standard parameter.
Abstract translation: 本发明公开了一种用于建立评估标准参数和评估显示图像质量的方法，其中，所述方法包括：对具有不同色偏严重程度的一组测试图像进行拍照以获得样本图像组; 人眼选择标准图片; 对样本图像组的图像的亮度应用傅里叶变换; 对频域中的频率分布函数和人眼的对比敏感度函数应用卷积; 归一化到卷积函数以获得评估参数; 从所述样本图像组的所有图像的评价参数中选择所述标准图像的评价参数作为评价标准参数。 本发明可以获得更客观和系统的评价标准参数。
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Patent Agency Ranking
16.发明授权公开(公告)号：US08958639B2
公开(公告)日：2015-02-17
申请号：US13812879
申请日：2013-01-15
Inventor： Lixuan Chen , Chih-tsung Kang
CPC classification number: G06T5/50 , G06T7/0002 , G06T2207/10024 , G06T2207/20056 , G06T2207/30168 , G09G3/006 , G09G5/02 , H04N17/04
Abstract: The present invention discloses a method for establishing evaluation standard parameters and method for evaluating the quality of a display image, wherein, the method comprises: taking pictures to a group of test images having different color shift severity degrees to obtain a sample picture group; selecting a standard picture by human eye; applying the Fourier transform to tristimulus values of all pictures; respectively applying convolution to the frequency distribution function corresponding to each primary color with a contrast sensitivity function of human eye; respectively normalizing to each of the convolution functions; and selecting the evaluation parameters of the three primary colors of the standard picture as the evaluation standard parameters. The present invention can obtain more objective and systemic evaluation standard parameters.
Abstract translation: 本发明公开了一种用于建立评估标准参数的方法和用于评估显示图像质量的方法，其中，所述方法包括：将图像拍摄到具有不同色偏严度度的一组测试图像，以获得样本图像组; 人眼选择标准图片; 将傅里叶变换应用于所有图像的三刺激值; 分别对与每个原色对应的频率分布函数以人眼的对比度敏感度函数应用卷积; 分别归一化为每个卷积函数; 并选择标准图像的三原色的评估参数作为评价标准参数。 本发明可以获得更客观和系统的评估标准参数。
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公开(公告)号：US20140293194A1
公开(公告)日：2014-10-02
申请号：US13981100
申请日：2013-06-27
Inventor： Chih-tsung Kang , Bo Hai
IPC: G02F1/1335
CPC classification number: G02F1/13363 , G02F1/133528 , G02F2001/133531 , G02F2001/133638 , G02F2413/02 , G02F2413/03 , G02F2413/05 , G02F2413/06 , G02F2413/12
Abstract: A liquid crystal panel and a liquid crystal display are disclosed. The liquid crystal display includes a liquid crystal cell having a light incident side and a light emitting side, a first polarizer arranged on the light incident side of the liquid crystal panel, a second polarizer arranged on the light emitting side of the liquid crystal panel, and a half wave plate arranged between the first polarizer and the liquid crystal cell. An absorbing axis of the first polarizer is parallel to the absorbing axis of the second polarizer, and an angle between a slow axis of the half wave plate and the absorbing axis of the first polarizer is 45 or 135 degrees. In this way, the liquid crystal display with the two polarizers parallel to each other can be in all-black state when no voltage is applied. In addition, the contrast is greatly enhanced.
Abstract translation: 公开了液晶面板和液晶显示器。 液晶显示器包括具有光入射侧和发光侧的液晶单元，布置在液晶面板的光入射侧的第一偏振片，配置在液晶面板的发光侧的第二偏振片， 以及布置在第一偏振器和液晶单元之间的半波片。 第一偏振片的吸收轴平行于第二偏振片的吸收轴，半波片的慢轴与第一偏振片的吸收轴之间的角度为45度或135度。 以这种方式，当没有施加电压时，具有彼此平行的两个偏振器的液晶显示器可以处于全黑色状态。 此外，对比度大大提高。
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公开(公告)号：US09990892B2
公开(公告)日：2018-06-05
申请号：US14781133
申请日：2015-08-12
Inventor： Lixuan Chen , Chih-tsung Kang
CPC classification number: G09G3/3607 , G09G3/2003 , G09G3/3611 , G09G2300/0443 , G09G2300/0452 , G09G2320/0242 , G09G2320/028 , G09G2320/0633 , G09G2320/0673 , G09G2320/068
Abstract: A liquid crystal panel including a plurality of pixel units, each including sub-pixel units of a plurality of colors, the sub-pixel units included in the liquid crystal panel includes a main pixel area and a secondary pixel area. The driving method includes: acquiring a grayscale value of a picture to be displayed of each of the partial sub-pixel units; searching for a main grayscale value and a secondary grayscale value corresponding to the grayscale value of the picture to be displayed of the each of the partial sub-pixel units from a corresponding relationship between grayscale values of a color of each of the partial sub-pixel units and the main grayscale values and the secondary grayscale values; and providing the searched main grayscale value and the secondary grayscale value to areas of the main pixel unit and the secondary pixel unit of the each of the partial sub-pixel units respectively.
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公开(公告)号：US09885925B2
公开(公告)日：2018-02-06
申请号：US14780623
申请日：2015-07-23
Inventor： Peng Du , Ming-hung Shih , Chih-tsung Kang , Je-hao Hsu , Qibiao Lv , Xiaohui Yao
IPC: H01L27/14 , G02F1/1343 , G02F1/1368 , G02F1/1362 , H01L27/12
CPC classification number: G02F1/134309 , G02F1/136213 , G02F1/136286 , G02F1/1368 , G02F2001/134345 , G02F2201/121 , G02F2201/123 , H01L27/124 , H01L27/1255
Abstract: In the present disclosure, one TFT substrate and a liquid crystal panel are disclosed. The TFT substrate includes a plurality of pixel cells, and each of the pixel cells includes three sub-pixel cells. Within one pixel cell, at least one sub-pixel includes single pixel area. Each of the other pixel cells includes two isolated pixel areas, and brightness of the at least two isolated pixel areas being different. In view of the above, the performance of the liquid crystal panel is enhanced when the viewing angle is large. In addition, the transmission rate of the liquid crystal panel may be maintained to be higher, which saves the power consumption of the backlight module so as to save the energy.
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公开(公告)号：US09818371B2
公开(公告)日：2017-11-14
申请号：US14423112
申请日：2015-01-07
Inventor： Lixuan Chen , Chih-tsung Kang
CPC classification number: G09G5/02 , G09G3/3611 , G09G2320/0285 , G09G2320/0673 , G09G2360/16 , H04N9/69
Abstract: The present invention discloses a method of correcting complexion color shift of LCD including obtaining accounting ratio of a complexion region of an image which will be shown in the LCD; comparing the accounting ratio of a complexion region to a predetermined value; and applying a first gamma value to conduct gamma correction of the data of red color, green color, and blue color if the accounting ratio is larger than the predetermined value; wherein the first gamma value is larger than 2.2. The present invention also discloses a system of correcting complexion color shift of LCD. The gamma value of front viewing angle of the LCD is increased. Accordingly, the gamma value of the image of big viewing angle approaches the curve of gamma value 2.2 more in the LCD and wash out of the complexion of the image of big viewing angle is eliminated.
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