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TLC5940 PWM调光提供卓越色彩品质的LED视频显示器
消耗积分:5 |
格式:rar |
大小:215 |
2009-04-27
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A design technique called dot correction was discussed in Reference 1. This technique is used to calibrate each individual pixel in large form-factor displays. Once calibrated,
or dot corrected, each pixel provides the same brightness level when commanded to a specific brightness. This technique calibrates the analog current supplied through individual
LEDs in an array. While dot correction offers an excellent solution that compensates for the variation of lumen output between pixels, this analog brightness adjustment is only the first step in developing a high-quality LED display
or dot corrected, each pixel provides the same brightness level when commanded to a specific brightness. This technique calibrates the analog current supplied through individual
LEDs in an array. While dot correction offers an excellent solution that compensates for the variation of lumen output between pixels, this analog brightness adjustment is only the first step in developing a high-quality LED display
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