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    • 4. 发明授权
    • Apparatus and method for achromatic and chromatic color conversion
    • 无色和彩色转换的装置和方法
    • US08547392B2
    • 2013-10-01
    • US12984109
    • 2011-01-04
    • Bongim ParkKang-Hyun KimJae-Won JeongWoo-Young Lee
    • Bongim ParkKang-Hyun KimJae-Won JeongWoo-Young Lee
    • G09G5/02
    • G09G3/3607G09G3/3659G09G5/02G09G2300/0443G09G2320/0242G09G2320/0276G09G2320/0666
    • A signal processing apparatus and a signal processing method are disclosed. The signal processing apparatus includes a correction block and a division correction block. The correction block receives grayscale data comprising achromatic color grayscale data or chromatic color grayscale data to create corrected grayscale data. The division correction block receives the corrected grayscale data to create first division grayscale data and second division grayscale data having a grayscale value less than or equal to a grayscale value of the first division grayscale data. The correction block includes a first correction block and a second correction block. The first correction block receives the grayscale data and includes a one-dimensional lookup table to create corrected create achromatic color grayscale data. The second correction block includes a three-dimensional lookup table and an interpolator.
    • 公开了一种信号处理装置和信号处理方法。 信号处理装置包括校正块和分割校正块。 校正块接收包括无色彩色灰度数据或彩色彩色灰度数据的灰度数据,以产生校正的灰度数据。 分割校正块接收经校正的灰阶数据以产生具有小于或等于第一分区灰阶数据的灰度值的灰度值的第一分色灰度数据和二分灰度数据。 校正块包括第一校正块和第二校正块。 第一校正块接收灰度数据并且包括一维查找表以创建校正的创建无彩色灰度数据。 第二校正块包括三维查找表和内插器。
    • 6. 发明授权
    • Display device and driving method thereof
    • 显示装置及其驱动方法
    • US09183803B2
    • 2015-11-10
    • US13569111
    • 2012-08-07
    • Jae-Won JeongKwan-Young OhPo-Yun ParkJung Hwan Cho
    • Jae-Won JeongKwan-Young OhPo-Yun ParkJung Hwan Cho
    • G09G3/36
    • G09G3/3648G09G3/3406G09G2320/0233G09G2320/0247G09G2320/0626G09G2320/064G09G2320/103G09G2330/021G09G2340/0435G09G2360/18
    • A display device capable of reducing power consumption and preventing luminance changes, and a driving method thereof are provided. The display device includes: a display panel displaying a still image and a motion picture; a signal controller controlling signals for driving the display panel; a graphic processing unit transmitting input image data to the signal controller; a light source unit irradiating the display panel with light; and a light source driver controlling signals for driving the light source unit, in which the signal controller includes a frame memory storing the input image data and controls the display panel so as to be driven at a first frequency or a second frequency, and the light source driver drives the light source unit at a first ratio when the display panel is driven at the first frequency and at a second ratio when the display panel is driven at the second frequency.
    • 提供能够降低功耗并防止亮度变化的显示装置及其驱动方法。 显示装置包括:显示静止图像和动态影像的显示面板; 控制用于驱动显示面板的信号的信号控制器; 图形处理单元,将输入图像数据发送到信号控制器; 光源单元用光照射显示面板; 以及控制用于驱动光源单元的信号的光源驱动器,其中信号控制器包括存储输入图像数据的帧存储器并且控制显示面板以便以第一频率或第二频率被驱动,并且光 当以第二频率驱动显示面板时,当以第一频率驱动显示面板时,源极驱动器以第一比例驱动光源单元。
    • 10. 发明申请
    • DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME
    • 显示装置及其驱动方法
    • US20090040156A1
    • 2009-02-12
    • US12131991
    • 2008-06-03
    • Bong-Ju JunBong-Im ParkHyoung-Rae LeeJae-Won JeongYong-Jun Choi
    • Bong-Ju JunBong-Im ParkHyoung-Rae LeeJae-Won JeongYong-Jun Choi
    • G09G3/36
    • G09G3/3696G09G3/2011G09G2310/027G09G2320/0247G09G2320/043
    • A display device and a method for driving the same, in which the display device includes a storage unit for storing a plurality of reference gradation code data corresponding to a plurality of gradations, and some of variable gradation code data corresponding to some of the gradation points of the plurality of gradations; a signal controller for converting gradations of original pixel data into gradation code signals of different levels using the plurality of reference gradation code data or both the plurality of reference gradation code data and the some variable gradation code data according to an operation mode; a data driver for converting the gradation code signal into an analog pixel data signal; and an image display unit for displaying an image according to the pixel data signal. The original pixel data are converted into gradation code signals of different levels according to an image display mode, thereby preventing luminance degradation and flicker generation due to the image display mode. Only the reference gradation code data and some of the variable gradation code data are stored in the memory to thereby reduce the amount of data stored in the memory, so that manufacturing costs of display devices caused by additional memories can be reduced.
    • 一种显示装置及其驱动方法,其中显示装置包括用于存储对应于多个灰度的多个参考灰度代码数据的存储单元,以及对应于一些灰度点的一些可变灰度代码数据 的多个等级; 信号控制器,用于根据操作模式,使用多个基准灰度码数据或者多个基准灰度代码数据和一些可变灰度代码数据将原始像素数据的灰度转换成不同等级的灰度代码信号; 用于将灰度代码信号转换为模拟像素数据信号的数据驱动器; 以及图像显示单元,用于根据像素数据信号显示图像。 原始像素数据根据图像显示模式被转换成不同级别的灰度代码信号,从而防止由于图像显示模式引起的亮度劣化和闪烁产生。 只有参考灰度代码数据和一些可变灰度代码数据被存储在存储器中,从而减少存储在存储器中的数据量,从而可以减少由附加存储器引起的显示装置的制造成本。