白色是紅綠藍三色按亮度比例混合而成,當光線中綠色的亮度為69%,紅色的亮度為21%,藍色的亮度為10%時,混色後人眼感覺到的是純白色。但LED紅綠藍三色的色品座標因工藝過程等原因無法達到全色譜的效果,而控制原色包括有偏差的原色的亮度得到白色光,稱為配色。
當為全彩色LED顯示幕進行配色前,為了達到最佳亮度和最低的成本,應儘量選擇三原色發光強度成大致為3:6:1比例的LED器件組成圖元。白平衡要求三種原色在相同的調灰值下合成的仍舊為純正的白色。
This man is too old to remember everything in his brain. Right now, he needs a place to write down what he has studied.
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