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公开(公告)号：US09805670B2
公开(公告)日：2017-10-31
申请号：US14781136
申请日：2015-08-12
Inventor： Chih-tsung Kang , Lixuan Chen
IPC: G09G3/36 , G09G3/20 , G01J3/46 , G02F1/1343
CPC classification number: G09G3/3607 , G01J3/463 , G02F2001/134345 , G09G3/2003 , G09G3/2074 , G09G2300/0443 , G09G2300/0452 , G09G2310/027 , G09G2320/0242 , G09G2320/0271 , G09G2320/0276 , G09G2320/028 , G09G2340/0428 , G09G2360/16
Abstract: A driving method and a driving device of a liquid crystal panel are provided. Pixels in a liquid crystal panel are divided into groups, wherein each group includes two pixels; determining an original greyscale value of a first color sub-pixel and an original greyscale value of a second color sub-pixel of each pixel; acquiring two actual greyscale values for driving the first color sub-pixel and two actual greyscale values for driving the second color sub-pixel in each group. The actual greyscale value for driving the first color sub-pixel is determined for each pixel, among the two actual greyscale values for driving the first color sub-pixel in each group, and determining the actual greyscale value for driving the second color sub-pixel of each pixel, among the two actual greyscale values for driving the second color sub-pixel in each group, according to a position of each pixel in each group.
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22.发明授权公开(公告)号：US09483985B2
公开(公告)日：2016-11-01
申请号：US14374543
申请日：2014-07-01
Inventor： Yong Fan , Chih-tsung Kang , Sheng-Jer Chang Chien , Xiaoping Tan , Jianjun Xie
CPC classification number: G09G3/3607 , G09G3/2003 , G09G3/2074 , G09G3/3413 , G09G3/342 , G09G3/3648 , G09G2300/0452 , G09G2310/0235 , G09G2320/0242 , G09G2320/0252 , G09G2330/021
Abstract: A driving method of the FSC-LCD is disclosed. The method includes: calculating grayscale values of four pixels of each images, the grayscale values of four pixels comprises grayscale values for a white pixel, for a first color pixel, for a second color pixel, and for a third color pixel; within a first color field of the n-th image, a white backlight source is provided to the pixel cells, the grayscale value for the white pixel of the n-th image is inputted to the transparent subpixel, the grayscale value for the first color pixel of the n-th image is inputted to the first color subpixel, and the grayscale value for the second color pixel of the n-th image is inputted to the second color subpixel; within a second color field of the n-th image, a third-color backlight source is provided to the pixel cells, the grayscale value for the third color pixel of the n-th image is inputted to the transparent subpixel, a grayscale value is inputted to the first color subpixel and the second color subpixel such that the first color subpixel and the second color subpixel remain in a turn-on state. In addition, FSC-LCD driven by the above driving method is also disclosed.
Abstract translation: 公开了FSC-LCD的驱动方法。 该方法包括：计算每个图像的四个像素的灰度值，四个像素的灰度值包括白色像素，第一颜色像素，第二颜色像素和第三颜色像素的灰度值; 在第n图像的第一颜色区域内，向像素单元提供白色背光源，将第n图像的白色像素的灰度值输入到透明子像素，第一颜色的灰度值 将第n图像的像素输入到第一颜色子像素，并且将第n图像的第二彩色像素的灰度值输入到第二颜色子像素; 在第n图像的第二色域中，向像素单元提供第三色背光源，将第n图像的第三色像素的灰度值输入到透明子像素，灰度值为 输入到第一颜色子像素和第二颜色子像素，使得第一颜色子像素和第二颜色子像素保持在导通状态。 此外，还公开了由上述驱动方法驱动的FSC-LCD。
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公开(公告)号：US09213200B2
公开(公告)日：2015-12-15
申请号：US13981100
申请日：2013-06-27
Inventor： Chih-tsung Kang , Bo Hai
IPC: G02F1/1335 , G02F1/13363
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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24.发明申请公开(公告)号：US20150187299A1
公开(公告)日：2015-07-02
申请号：US14235007
申请日：2014-01-07
Inventor： Jinjun Wu , Chih-tsung Kang
CPC classification number: G09G3/3607 , G09G3/006 , G09G2320/0666
Abstract: The present invention provides a method for collecting full grayscale data of a liquid crystal display device based on a CCD camera, the method including the steps of: S1, displaying a full grayscale image on a liquid crystal display device; S2, having the CCD camera to perform an automatic exposure toward the displayed full grayscale image of the LCD, and then collecting data of full grayscale thereof; and S3, conducting a compensation process toward the collected full grayscale data. With the utilization of the CCD camera, the full grayscale brightness and colorfulness data of the LCD can be readily collected by the CCD camera, and only a single image is needed to attain the full grayscale data. The speed is really fast. With afterward compensation to the data collected by the CCD camera, the accuracy of the data attained by the CCD camera is further increased. The method provided by the present invention can be readily implemented onto a production line so as to quickly collect data and determine whether the brightness and colorfulness is within the specifications, or a modification is needed based on the collected data. The speed is fast. As a result, the loss resulted from the brightness and colorfullness variations out of the specification can be readily reduced.
Abstract translation: 本发明提供了一种基于CCD照相机收集液晶显示装置的全灰度数据的方法，所述方法包括以下步骤：S1，在液晶显示装置上显示全部灰度图像; S2，使CCD相机对LCD的所显示的全部灰阶图像执行自动曝光，然后收集其全灰度的数据; 和S3，对收集的全灰度数据进行补偿处理。 利用CCD相机，可以通过CCD相机轻松收集LCD的全部灰度亮度和色彩数据，只需要一张图像即可获得全部的灰度数据。 速度真的很快。 随后对CCD摄像机收集的数据进行补偿，进一步提高了CCD摄像机获得的数据准确性。 本发明提供的方法可以容易地实施在生产线上，以便快速收集数据并确定亮度和色彩是否在规格范围内，或者根据收集的数据需要进行修改。 速度很快。 结果，可以容易地降低由于规格以外的亮度和色彩变化所导致的损失。
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公开(公告)号：US09734773B2
公开(公告)日：2017-08-15
申请号：US14780534
申请日：2015-08-11
Inventor： Chih-tsung Kang , Lixuan Chen
IPC: G09G3/36
CPC classification number: G09G3/3607 , G09G2300/0447 , G09G2320/0233 , G09G2320/0247 , G09G2320/028 , G09G2320/0673 , G09G2360/16
Abstract: A display improvement method and apparatus for a LCD panel are provided. The method includes: acquiring a gamma curve for at least one kind of color sub-pixel of a variety of color sub-pixels in a case of a side view; determining a luminance enhancement starting point on the gamma curve, according to tangent slopes of points corresponding to respective gray-scale values on the acquired gamma curve, wherein a gray-scale value of the luminance enhancement starting point is j, and the luminance enhancement starting point has a tangent slope less than tangent slopes of points having gray scale values (j−1) and (j+1) on the gamma curve; increasing a luminance value of a point having a gray-scale value greater than or equal to the gray-scale value of the luminance enhancement starting point and less than a maximum gray-scale value on the gamma curve.
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Patent Agency Ranking
公开(公告)号：US09632360B2
公开(公告)日：2017-04-25
申请号：US14938902
申请日：2015-11-12
Inventor： Chih-tsung Kang , Bo Hai
IPC: G02F1/13363 , 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.
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27.发明申请Compensation Architecture of Liquid Crystal Panel and Liquid Crystal Display Device 审中-公开液晶面板和液晶显示装置的补偿架构公开(公告)号：US20150286099A1
公开(公告)日：2015-10-08
申请号：US14358627
申请日：2014-04-11
Inventor： Chih-tsung Kang , Bo Hai
IPC: G02F1/13363 , G02F1/1335
CPC classification number: G02F1/133634
Abstract: The present invention discloses a compensation architecture of a liquid crystal panel, which comprises a sequentially stacked protective film, a first polarizing film, a biaxial compensation film, a liquid crystal panel, a second protective film, a second polarizing film and a third protective film, the liquid crystal panel is provided a liquid crystal layer including a plurality of liquid crystal molecules, the refractive index anisotropy of the liquid crystal layer is Δn, the thickness is d, the pretilt angle of liquid crystal molecules is θ; the compensation thickness of the biaxial compensation film is Rth1; the compensation thickness of the second protective film is Rth2, wherein: 287.3 nm≦Δn×d≦305.7 nm; 85°≦θ
Abstract translation: 本发明公开了一种液晶面板的补偿结构，其包括顺序堆叠的保护膜，第一偏振膜，双轴补偿膜，液晶面板，第二保护膜，第二偏光膜和第三保护膜 液晶面板设置有包含多个液晶分子的液晶层，液晶层的折射率各向异性为＆D; n，其厚度为d，液晶分子的预倾角为。 双轴补偿膜的补偿厚度为Rth1; 第二保护膜的补偿厚度为Rth2，其中：287.3nm＆nlE;＆Dgr; n×d＆nlE; 305.7nm; 85°＆nlE;＆thetas; <90°; 180nm＆amp; NlE; Rth1＆nlE; 260nm; Y1 nm＆nlE; Rth2＆nlE; Y2 nm; Y1 = -0.885×Rth1 + 241.9; Y2 = -0.006638×（Rth1）2 + 1.95×Rth1-6.3。 本发明还公开了一种液晶显示装置，其包括通过使用上述补偿架构进行补偿的液晶显示面板。
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28.发明申请公开(公告)号：US20150286083A1
公开(公告)日：2015-10-08
申请号：US14358593
申请日：2014-04-11
Inventor： Chih-tsung Kang , Bo Hai
IPC: G02F1/13363 , G02F1/1335 , G02F1/1337
CPC classification number: G02F1/133634 , G02F2001/133742 , G02F2413/12
Abstract: A dual-layered biaxial compensation structure including a first polarizing film, a first biaxial compensation film, a liquid crystal panel, a second biaxial compensation film, and a second polarizing film arranged in sequence. The liquid crystal panel includes a liquid crystal layer. An anisotropy reflective index, a thickness, and a pretilt angle of the liquid crystal layer are respectively Δn, d and θ. An in-plane retardation value and a thickness retardation value of the first biaxial compensation film are respectively Ro1 and Rth1, and the in-plane retardation value and the thickness retardation value of the second biaxial compensation film are respectively Ro2 and Rth2, wherein: 287.3 nm≦Δn×d≦305.7 nm; 85°≦θ
Abstract translation: 一种双层双轴补偿结构，包括依次布置的第一偏振膜，第一双轴补偿膜，液晶面板，第二双轴补偿膜和第二偏振膜。 液晶面板包括液晶层。 液晶层的各向异性反射指数，厚度和预倾角分别为＆Dgr; n，d和。 第一双轴补偿膜的面内延迟值和厚度延迟值分别为Ro1和Rth1，第二双轴补偿膜的面内延迟值和厚度延迟值分别为Ro2和Rth2，其中：287.3 nm＆nlE;＆Dgr; n×d＆nlE; 305.7nm; 85°＆nlE;＆thetas; <90°; 8 nm＆nlE; Ro1＆nlE; 98 nm; 19nm＆amp; NlE; Rth1＆nlE; 224nm; 8.4 nm＆nlE; Ro2＆nlE; 98 nm; Y1 nm＆nlE; Rth2＆nlE; Y2 nm; Y1 = 0.003115×（Rth1）2-1.6791×Rth1 + 231.67; Y2 = -0.002225×（Rth1）2-0.37474×Rth1 + 241.7。
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29.发明申请Method and System for Adjusting White Balance, Method for Making Liquid Crystal Display 有权调整白平衡的方法和系统，制作液晶显示的方法公开(公告)号：US20150187243A1
公开(公告)日：2015-07-02
申请号：US14235546
申请日：2014-01-09
Inventor： Jinjun Wu , Chih-tsung Kang
CPC classification number: G09G3/2003 , G09G2320/0666 , G09G2360/145
Abstract: The present invention provides a method for adjusting white-balance, comprising the steps of: S1, entering a value of white-balance of a standard sample into a display panel; S2, controlling the display panel to display a test image having different grayscale value so as to attain a full grayscale value of the display panel; S3, determining whether the attained full grayscale value is within a specification, if yes, then proceeding into next step, and if no, then proceeding into step S4; and S4, recalculating the white-balance value based on a difference between the attained full grayscale value and the white-balance value of the standard sample, and reentering the calculated white-balance value into display panel, and returning to step S2. The white balance adjusting system incorporated with such white balance adjusting method can be readily and quickly implemented into the existing production line of liquid crystal display panel.
Abstract translation: 本发明提供一种调整白平衡的方法，包括以下步骤：S1，将标准样品的白平衡值输入显示面板; S2，控制显示面板显示具有不同灰度值的测试图像，以获得显示面板的全灰度值; S3，确定所获得的全灰度值是否在规范内，如果是，则进入下一步骤，如果否，则进入步骤S4; 和S4，基于获得的全灰度值和标准样品的白平衡值之间的差重新计算白平衡值，并将计算的白平衡值重新输入到显示面板中，并返回到步骤S2。 结合了白平衡调整方法的白平衡调整系统可以容易地快速地实现到现有的液晶显示面板生产线上。
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公开(公告)号：US08836898B2
公开(公告)日：2014-09-16
申请号：US13700701
申请日：2012-11-08
Inventor： Chih-tsung Kang , Bo Hai
IPC: G02F1/13363 , G02F1/1335
CPC classification number: G02F1/1393 , G02F2413/02 , G02F2413/11
Abstract: A compensation system for liquid crystal panels and a liquid crystal display are disclosed. The compensation system includes a first biaxial compensation film and a second biaxial compensation film respectively arranged on two sides of the liquid crystal panel. When the wavelength of incident lights is 550 nm, an in-plain retardation value of the first biaxial compensation film is Ro1, a thickness retardation value of the first biaxial compensation film is Rth1, an in-plain retardation value of the second biaxial compensation film is Ro2, and a thickness retardation value of the second biaxial compensation film is Rth2. Wherein 35 nmRo187.5 nm; 80 nmRth1200 nm; 28 nmRo289.6 nm; Y1Rth2Y2; Y1=0.005389×Rth12−2.367048×Rth1+323.45; Y2=−0.003571×Rth12+0.085714×Rth1+226.74. By configuring the retardation values of the double-layers biaxial compensation films, the dark-state light leakage of the liquid crystal panels may be reduced.
Abstract translation: 公开了一种用于液晶面板和液晶显示器的补偿系统。 补偿系统包括分别布置在液晶面板两侧的第一双轴补偿膜和第二双轴补偿膜。 当入射光的波长为550nm时，第一双轴补偿膜的平坦相位差值为Ro1，第一双轴补偿膜的厚度延迟值为Rth1，第二双轴补偿膜的平坦相位差值 是Ro2，第二双轴补偿膜的厚度延迟值是Rth2。 其中35nmR188.5nm; 80nmR1200nm; 28nmRo289.6nm; Y1Rth2Y2; Y1 = 0.005389×Rth12-2.367048×Rth1 + 323.45; Y2 = -0.003571×Rth12 + 0.085714×Rth1 + 226.74。 通过配置双层双轴补偿膜的延迟值，可以降低液晶面板的暗态光泄漏。
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