tianny99:Based on the white color-coordinate(x,y), we can obtain a factor of n firstly,
1q6)R/P n=(x-0.3320)/(0.1858-y),
*f[5rr4 then, we can calculate CCT(Correlated Color Temperature) as following,
FK _ ZE> CCT=437*n^3+3601*n^2+6831*n+5517
(2008-07-22 16:05)
,Z
q:na