本文研究在於探討由最佳重建日光頻譜的6diesLED頻譜410nm、465nm、520nm、575nm、630nm、685nm，由於不同的排列會影響色差，故利用其光學軟體FRED模擬其排列，再利用Lab色彩空間計算出最低之MCDM值，找出達到最佳混光效果。由於市面上導線架只能放6顆LED晶粒，所以先對6diesLED做研究，接下來希望能提高演性色以及讓頻譜能更加連續所以再利用9diesLED頻譜模擬其排列，結果也符合我們利用CIE 1931色座標所圈選的規則。

This article research into 6dies LED by optimal reconstruct daylight spectrum 410nm，465nm，520nm，575nm，630nm，685nm. Because it can affect the chromatic aberration by different LEDs arrangement. We use optic software FRED to simulate its arrangement and calculate the lowest MCDM value for Lab color space to find optimal mixing color. Because it only can put 6dies LED in a leadframe in the market condition, we first research 6dies LED, then, we hope to rise CRI, uniformity and make spectrum continuously. We use 9dies LED to simulate its arrangement, the result it also can conform our rules for CIE 1931 color coordinates.

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