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    • 1. 发明授权
    • Gamma curve compensating method, gamma curve compensating circuit and display system using the same
    • 伽马曲线补偿方法,伽马曲线补偿电路及使用其的显示系统
    • US09443489B2
    • 2016-09-13
    • US12370730
    • 2009-02-13
    • Shang-Chia LiaoYu-Hsi HoYao-Jen Hsieh
    • Shang-Chia LiaoYu-Hsi HoYao-Jen Hsieh
    • G09G5/10G09G3/36G09G3/20G09G3/34
    • G09G5/10G09G3/2011G09G3/3406G09G3/3611G09G2320/0673
    • An exemplary gamma curve compensating method is used in a displaying process of a display system for inserting a plurality of grey-scale images to adjust the displaying quality of the display system. A grey-scale luminance of each grey-scale image is one of the grey-scales. The gamma curve compensating method includes: providing a plurality of look-up tables (LUTs) according to the different grey-scales; selecting a specific grey-scale of the different grey-scales as a grey-scale luminance of one of the grey-scale images and accordingly selecting a specific LUT of the LUTs corresponding to the specific grey-scale; and performing a gamma-curve compensating based on the specific LUT to keep the gamma curve of the display system invariable in the displaying process. A gamma curve compensating circuit and a display system for performing the gamma curve compensating method are also provided in the present invention.
    • 在用于插入多个灰度图像以调整显示系统的显示质量的显示系统的显示处理中使用示例性伽马曲线补偿方法。 每个灰度图像的灰度亮度是灰度级之一。 伽马曲线补偿方法包括:根据不同的灰度级提供多个查找表(LUT); 选择不同灰度级的特定灰度级作为灰度级图像之一的灰度级亮度,从而选择与特定灰度级对应的LUT的特定LUT; 并且基于特定LUT执行伽马曲线补偿以保持显示系统的伽马曲线在显示过程中不变。 在本发明中还提供了伽马曲线补偿电路和用于执行伽马曲线补偿方法的显示系统。
    • 2. 发明申请
    • Gamma Curve Compensating Method, Gamma Curve Compensating Circuit and Display System using the same
    • 伽玛曲线补偿方法,伽马曲线补偿电路和使用其的显示系统
    • US20090267968A1
    • 2009-10-29
    • US12370730
    • 2009-02-13
    • Shang-Chia LIAOYu-Hsi HoYao-Jen Hsieh
    • Shang-Chia LIAOYu-Hsi HoYao-Jen Hsieh
    • G09G5/10G09G3/36
    • G09G5/10G09G3/2011G09G3/3406G09G3/3611G09G2320/0673
    • An exemplary gamma curve compensating method is used in a displaying process of a display system for inserting a plurality of grey-scale images to adjust the displaying quality of the display system. A grey-scale luminance of each grey-scale image is one of the grey-scales. The gamma curve compensating method includes: providing a plurality of look-up tables (LUTs) according to the different grey-scales; selecting a specific grey-scale of the different grey-scales as a grey-scale luminance of one of the grey-scale images and accordingly selecting a specific LUT of the LUTs corresponding to the specific grey-scale; and performing a gamma-curve compensating based on the specific LUT to keep the gamma curve of the display system invariable in the displaying process. A gamma curve compensating circuit and a display system for performing the gamma curve compensating method are also provided in the present invention.
    • 在用于插入多个灰度图像以调整显示系统的显示质量的显示系统的显示处理中使用示例性伽马曲线补偿方法。 每个灰度图像的灰度亮度是灰度级之一。 伽马曲线补偿方法包括:根据不同的灰度级提供多个查找表(LUT); 选择不同灰度级的特定灰度级作为灰度级图像之一的灰度级亮度,从而选择与特定灰度级对应的LUT的特定LUT; 并且基于特定LUT执行伽马曲线补偿以保持显示系统的伽马曲线在显示过程中不变。 在本发明中还提供了伽马曲线补偿电路和用于执行伽马曲线补偿方法的显示系统。
    • 5. 发明申请
    • Method for processing images in liquid crystal display
    • 在液晶显示器中处理图像的方法
    • US20090102781A1
    • 2009-04-23
    • US12081442
    • 2008-04-16
    • Ming-Fon ChienMing-Jong JouYao-Jen HsiehYu-Hsi Ho
    • Ming-Fon ChienMing-Jong JouYao-Jen HsiehYu-Hsi Ho
    • G09G3/36
    • G09G3/3406G09G2320/0276G09G2320/064G09G2320/0646G09G2330/021G09G2360/16
    • A method for processing images in a liquid crystal display is provided. The method includes the steps of: acquiring a backlight index according to an image; adjusting a backlight according to the backlight index; acquiring a reference gray level according to the adjusted backlight, wherein the reference gray level lies in between a first gray level boundary and a second gray level boundary; transferring a gray level of the image into a corresponding output gray level according to the backlight index when the gray level of the image lying in between the reference gray level and the first gray level boundary; and transferring the gray level of the image into another corresponding output gray level according to a linear relationship when the gray level of the image lying in between the reference gray level and the second gray level boundary.
    • 提供了一种在液晶显示器中处理图像的方法。 该方法包括以下步骤:根据图像获取背光指数; 根据背光指数调整背光; 根据所调整的背光获取参考灰度级,其中所述参考灰度级位于第一灰度级边界和第二灰度级边界之间; 当图像的灰度位于参考灰度级与第一灰度级边界之间时,根据背光指数将图像的灰度级转换成对应的输出灰度级; 以及当所述图像的灰度级别在所述参考灰度级与所述第二灰度级边界之间时,根据所述线性关系将所述图像的灰度级别转移到另一对应的输出灰度级。
    • 10. 发明申请
    • Efficient use of synchronous dynamic random access memory
    • 有效利用同步动态随机存取存储器
    • US20070165015A1
    • 2007-07-19
    • US11644214
    • 2006-12-22
    • Huan-Hsin LiYu-Hsi HoYao-Jen Hsieh
    • Huan-Hsin LiYu-Hsi HoYao-Jen Hsieh
    • G06F3/038
    • G09G3/20G09G3/3648G09G5/39G09G2310/08G09G2340/16G09G2352/00G09G2360/123G09G2360/128
    • DDR_SDRAM chips running at 1.5 clock rate are used for transferring image data from an image data source to a source driver in a display panel. In general, P DDR_SDRAM chips running at a 1.5 clock rate are used to store frame data in N frames. If the frame date in each of the N frames is n bits and the memory space in the DDR_SDRAM chip is m, then P is a smallest integer equal to or greater than N multiplied by (n/m). In data transfer in a frame, a line period is partitioned into N segments and each DDR-SDRAM chip is separated into (N−1) parts such that the parts are used to read different data in the different frames. In order to share I/O pins when using a number of DDR_SDRAM chips, the read/write sequence for the all DDR_SDRAM chips follows the same command and address.
    • 以1.5时钟速率运行的DDR_SDRAM芯片用于将图像数据从图像数据源传输到显示面板中的源驱动器。 通常,以1.5时钟速率运行的P DDR_SDRAM芯片用于以N帧存储帧数据。 如果N帧中的每一帧中的帧日期是n位,并且DDR_SDRAM码片中的存储器空间是m,则P是等于或大于N乘以(n / m)的最小整数。 在帧中的数据传输中,行周期被划分为N个段,并且每个DDR-SDRAM芯片被分成(N-1)个部分,使得这些部分用于读取不同帧中的不同数据。 为了在使用多个DDR_SDRAM芯片时共享I / O引脚,所有DDR_SDRAM芯片的读/写顺序都遵循相同的命令和地址。