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    • 4. 发明申请
    • Color space correction circuit in display device
    • 显示设备中的色彩空间校正电路
    • US20060139368A1
    • 2006-06-29
    • US10544685
    • 2004-02-06
    • Shigeo KinoshitaYukio MoriAtsuhiro YamashitaSusumu TanaseMasutaka Inoue
    • Shigeo KinoshitaYukio MoriAtsuhiro YamashitaSusumu TanaseMasutaka Inoue
    • G09G5/02
    • G09G5/02G09G3/3208G09G2360/16H04N9/64H04N9/67
    • A color space correction circuit in a display apparatus comprises: means for holding optimal R, G and B correction values at chromaticity coordinate points corresponding to a white, primary colors and complementary colors, respectively, in a color reproduction region of a display on a chromaticity diagram; means for connecting the respective chromaticity coordinate points corresponding to the primary colors and the complementary colors to the chromaticity coordinate point corresponding to the white in the color reproduction region of the display on the chromaticity diagram, thereby dividing the color reproduction region of the display into a plurality of areas and judging to which area the chromaticity coordinate points corresponding to input signals belong; and means for correcting R, G and B values for the input signals based on optimal R, G and B correction values corresponding to the chromaticity coordinate points that correspond to three vertexes of the area to which the chromaticity coordinate points corresponding to the input signals are judged to belong, and based on the R, G and B values for the input signals.
    • 显示装置中的色彩空间校正电路包括:用于在色度显示的色彩再现区域中分别保持与白色,原色和互补色对应的色度坐标点处的最佳R,G和B校正值的装置 图表 用于将对应于原色和互补色的各个色度坐标点连接到色度图上显示器的色彩再现区域中对应于白色的色度坐标点的装置,从而将显示器的色彩再现区域划分为 判断与输入信号对应的色度坐标点属于哪个区域; 以及用于基于与对应于与输入信号对应的色度坐标点的区域的三个顶点对应的色度坐标点的最佳R,G和B校正值来校正输入信号的R,G和B值的装置 判断为属于,并且基于输入信号的R,G和B值。