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    • 2. 发明授权
    • Light emitting display
    • 发光显示
    • US08289243B2
    • 2012-10-16
    • US11475024
    • 2006-06-27
    • Seong Ho BaikIn Hwan Kim
    • Seong Ho BaikIn Hwan Kim
    • G09G3/30
    • G09G3/3233G09G2300/0842G09G2320/048G09G2320/0673
    • A light emitting display is provided. The light emitting display comprises a pixel circuit unit comprising a plurality of pixels that display an image; a data driver that supplies a data signal to the pixel circuit unit; a scan driver that supplies a scan signal to the pixel circuit unit; a gamma correcting unit that supplies a gamma value to the data driver to control the magnitude of the data signal; and a timing controller that applies control signals to the data driver and the scan driver and that supplies a variable gamma control signal that controls the gamma correcting unit to supply the gamma value that changes according to the data driving time.
    • 提供发光显示器。 发光显示器包括像素电路单元,其包括显示图像的多个像素; 将数据信号提供给像素电路单元的数据驱动器; 扫描驱动器,向像素电路单元提供扫描信号; 伽马校正单元,其向数据驱动器提供伽马值以控制数据信号的大小; 以及定时控制器,其向数据驱动器和扫描驱动器施加控制信号,并提供控制伽马校正单元的可变伽马控制信号,以提供根据数据驱动时间改变的伽马值。
    • 3. 发明授权
    • Light emitting display device
    • 发光显示装置
    • US07808459B2
    • 2010-10-05
    • US11476847
    • 2006-06-29
    • Myung Ho LeeSeong Ho BaikIn Hwan KimSeung Chan Byun
    • Myung Ho LeeSeong Ho BaikIn Hwan KimSeung Chan Byun
    • G09G3/30
    • G09G3/2007G09G3/3225G09G3/3648G09G2320/0276G09G2360/16
    • A display device includes a pixel circuit unit comprising a plurality of pixels to display an image, a data driver to supply data signals to the pixel circuit unit, a scan driver to supply scan signals to the pixel circuit unit, a black/white transition detector to detect a degree of black/white transition of the image, a gamma corrector to adjust the data signal by providing a gamma value to the data driver, and a timing controller to apply control signals to the data driver and the scan driver, receive the degree of black/white transition from the black/white transition detector, and provide a corrected gamma control signal to the gamma corrector according to the degree of black/white transition.
    • 显示装置包括:像素电路单元,包括用于显示图像的多个像素;向像素电路单元提供数据信号的数据驱动器;向像素电路单元提供扫描信号的扫描驱动器;黑/白转换检测器 以检测图像的黑/白转换程度,伽马校正器,以通过向数据驱动器提供伽马值来调整数据信号;以及定时控制器,以将控制信号施加到数据驱动器和扫描驱动器,接收 从黑/白转换检测器的黑/白转换程度,并根据黑/白转换的程度向伽马校正器提供校正的伽马控制信号。
    • 6. 发明授权
    • Method and apparatus for driving liquid crystal display
    • 用于驱动液晶显示器的方法和装置
    • US07688294B2
    • 2010-03-30
    • US10880392
    • 2004-06-28
    • Seong Ho Baik
    • Seong Ho Baik
    • G09G3/36
    • G09G3/3406G06T5/008G06T5/40G06T2207/20021G09G3/3648G09G2320/0646G09G2320/0673G09G2360/16
    • A method of driving a liquid crystal display is provided in which the contrast can be selectively emphasized dependent upon the input data. The input data is converted into brightness components and chrominance components. The most-frequent brightness component is extracted from a histogram of the brightness components, and the histogram is divided into regions, which are re-arranged in correspondence with the extracted most-frequent value. The brightness components of each region are then modified using a curve having a slope that is dependent upon the total number of brightness components in the particular region. Data in which the contrast ratio has been selectively emphasized is generated using the modulated brightness components and the chrominance components.
    • 提供一种驱动液晶显示器的方法,其中可以根据输入数据选择性地强调对比度。 输入数据被转换为亮度分量和色度分量。 从亮度分量的直方图中提取最频繁的亮度分量,并且将直方图划分为与提取的最频繁值相对应地重新布置的区域。 然后使用具有取决于特定区域中的亮度分量的总数的斜率的曲线来修改每个区域的亮度分量。 使用调制的亮度分量和色度分量产生其中选择性地强调对比度的数据。
    • 8. 发明授权
    • Method and apparatus for driving liquid crystal display
    • 用于驱动液晶显示器的方法和装置
    • US07847782B2
    • 2010-12-07
    • US10880220
    • 2004-06-28
    • Min Ho SohnSeong Ho Baik
    • Min Ho SohnSeong Ho Baik
    • G09G3/36
    • G09G3/3406G09G3/2077G09G2320/0271G09G2320/0626G09G2320/0646G09G2360/16
    • A driving method and apparatus for a liquid crystal display is provided in which a contrast ratio of data to be displayed can be expanded and the brightness of a back light can be changed using an accumulated result of a plurality of frames. In the driving method, data to be displayed is converted into brightness components and arranged into a histogram for each frame. Second data having an expanded contrast is generated using the histograms of at least two frames, including the histogram of the current frame. Averages of the histograms are calculated and used to control the brightness of the back light. The averages may be weighted such that frames closer to the current frame have a larger effect.
    • 提供了一种用于液晶显示器的驱动方法和装置,其中可以扩展要显示的数据的对比度比,并且可以使用多个帧的累积结果来改变背光的亮度。 在驱动方法中,要显示的数据被转换为亮度分量并且被排列成每帧的直方图。 使用包括当前帧的直方图的至少两个帧的直方图来生成具有扩展对比度的第二数据。 计算直方图的平均值,并用于控制背光的亮度。 平均值可以被加权,使得更靠近当前帧的帧具有更大的效果。