| 摘要 |
PURPOSE:To enable varied graphic display by possessing a data buffer with every four colors of red, green, orange and black, and making red and green data correspond to each other with respective colors. CONSTITUTION:A display controller 2 analyzes a sent in data, and a bit where only red can come out is set as a red data, and a bit where only green can come out is set as a green data, and a bit where red and green can come out simultaneously is set as an orange data, and a bit where both red and green cannot come out is set as a black data, and data classified by these four colors are stored once respectively in red, green, orange and black data buffers 21 24. The data classified by colors in this way are processed according to designated variation colors, and are stored in an R plane 25 as an R plane data, and are also stored finally in a G plane 26 as a G plane data. An original image can be displayed by outputting the respective data of the R plane 25 and the G plane 26 to a LED display panel 3.
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