LED背光源

一、用途：

用于各种电子产品的LCD背景照明。

二、特点：

发光材料：发光二极管

发光颜色：红、黄、绿、橙、蓝、白。

色彩鲜艳，结构新颖，功耗低，寿命长。

Absolute Maximum Ratings (at TA=25℃ )：

Parameter Symbol Min. Max. Unit Forward Current lF/seg
25 mA Pulse Forward Current lFP/seg*
50 mA Reverse Voltage VR/seg
12 V Operating Temperature Topr. -25 +70 ℃ Storage Temperature Tstg. -30 +80 ℃ Power Dissipation PD
1 W * Pulse width:Max.10ms,Duty ration:Max.1/10

Electrical/Optical Characteristics (at TA=25℃):

Parameter Condition Unit Min. Typ. Max. Forward Voltage VF/seg lF=20mA v
10.5 12 Reverse Current lR/seg VR=12V μA
30 Dominant Wavelength λD lF=20mA nm
470
Spectrum width of half value △λ lF=20mA nm
30
Luminane L lF=80mA* Cd/㎡ 70 85
* Under the condition of using recommended circuit.