以2.0寸背光为例: VdC,M;/=Z
3颗LED,LED亮度1600mcd,发光区长宽:40.6*32.68 "I}]]?y
|G(9mnZ1
公式: I[g;p8jr
[1600*3/(40.6*32.68/1000)]*0.7*1.0*1.4*1.4=4959cd/m2 (误差在10%) vw5f|Q92
t gpg
0.7 70%光學亮度,預估30%損失亮度 .?^a|]
1.0 单颗LED 20mA(单颗LED 15mA按0.7计算, 单颗LED 10mA按0.5计算) kKlcK_b;
1.4 加一片增光膜亮度提高倍率