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    • 7. 发明授权
    • Interpolation device for use in a display apparatus and interpolation method
    • 用于显示装置的插值装置和插值方法
    • US07688299B2
    • 2010-03-30
    • US11856987
    • 2007-09-18
    • Bong-Im ParkWoo-Chul Kim
    • Bong-Im ParkWoo-Chul Kim
    • G09G3/36
    • G09G3/3648G09G5/393G09G2320/0252G09G2320/0271H04N19/42H04N19/59
    • In an interpolation device that is used for driving a liquid crystal display (LCD), a memory stores an image signal representing a previously displayed image frame. A look-up table (LUT) stores plural reference data corresponding to differences between values of high order bits of a present image signal and a previous image signal. An arithmetic unit receives low order bits of the present image signal, low order bits of the previous image signal, and the reference data from the LUT to output a corrected image signal. The arithmetic unit applies a first second-order interpolation equation when the high order bits of the present image signal are identical to the high order bits of the previous image signal and applies a second second-order interpolation equation, which is different from the first second-order interpolation equation, when the high order bits of the present image signal are different from the high order bits of the previous image signal.
    • 在用于驱动液晶显示器(LCD)的内插装置中,存储器存储表示先前显示的图像帧的图像信号。 查找表(LUT)存储对应于当前图像信号和先前图像信号的高位的值之间的差异的多个参考数据。 算术单元接收当前图像信号的低位比特,先前图像信号的低位比特和来自LUT的参考数据,以输出校正图像信号。 当当前图像信号的高位与前一图像信号的高位相同时,算术单元应用第一二阶内插方程,并施加与第一二阶内插方程不同的第二二次内插方程 当当前图像信号的高位不同于先前图像信号的高位时,该序列内插方程式。