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    • 3. 发明申请
    • DISPLAY DEVICE CAPABLE OF BRIGHTNESS ADJUSTMENT BY ADJUSTING GAMMA CURVE AND METHOD THEREOF
    • 通过调整伽马曲线可以进行亮度调整的显示装置及其方法
    • US20090213055A1
    • 2009-08-27
    • US12036759
    • 2008-02-25
    • Mao-Jung ChungYu-Shen KungChin-Cheng Liu
    • Mao-Jung ChungYu-Shen KungChin-Cheng Liu
    • G09G3/36
    • G09G3/20G09G3/3685G09G2310/027G09G2320/0673
    • Provided is a display device capable of brightness adjustment by adjusting gamma curves thereof, without adjusting brightness of input video signals. The display device includes a memory unit, storing a plurality of gamma reference voltage value sets in accordance with a plurality of gamma curves; a microprocessor, for selecting one of the gamma reference voltage value sets stored in the memory unit; a gamma voltage generator, for generating a plurality of gamma reference voltages in response to the selected gamma reference voltage value set from the microprocessor; a data converter, for converting input video signals into video voltages in response to the gamma reference voltages provided from the gamma voltage generator; and a display panel, for displaying images in response to the video voltages from the data converter.
    • 提供一种能够通过调整其伽马曲线来调节亮度而不调节输入视频信号的亮度的显示装置。 显示装置包括:存储单元,根据多个伽马曲线存储多个伽马参考电压值集; 微处理器,用于选择存储在存储器单元中的伽马参考电压值集合中的一个; 伽马电压发生器,用于响应于从微处理器设定的所选择的伽马参考电压值产生多个伽马参考电压; 数据转换器,用于响应于从伽马电压发生器提供的伽马参考电压将输入视频信号转换成视频电压; 以及显示面板,用于响应于来自数据转换器的视频电压显示图像。