Technology

About Led

A lighting-emitting diode (LED) is a semiconductor device that emits incoherent narrow-spectrum light when electrically biased in the forward direction of p-n junction. The color of the emitted light depends on the composition and condition of the semiconducting material used, and can be infrared, visible, or near-ultraviolet.

Instruction for use LED Lamp

While measuring and using LED, must provide the same electric current for each LED even measure in the source by flowing permanently , could guarantee to measure the consistency of luminance and other characteristics ;

RoHS Compliance

From Nov. 8, 2002, all country of Europium Union (Including Holland, Denmark , Sweden , Austria , Belgium , Italy , Finland and Germany ,etc.) have to complete regulation registration for WEEE, and give formal announcement on February 13 , 2003, it is estimated that all member of European Union must legislated enforce WEEE & RoHS fit for each individual country before August 31 , 2004, and since July 1 , 2006,