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What is white balance?
Date:April 8th, 2007    Written by:Rick    

White balance is one of the most important indicators for LED display. For LED display, it will show pure white color only when three primary colors (red, green and blue) are pure red, pure blue and pure green and their color ratio meets 3:6:1. If the actual proportion is different or the three primary colors are not pure, the white balance will have deviation. 

There are some factors will affect the white balance of LED display. LED quality is one of the main factors. if the LED is using bad LED material (especial bad LED chip & bonding wire) for encapsulation, the wave length of each LED is with big difference, and then they will appear different colors. That would cause bad white balance.

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