enkonn

#1 Brief development of LED for illumination Generally Speaking, LED stands for Light-Emitting Diode. 1.1 DIP The first LED designed for illumination was the dual in-line package (DIP) LED, which is also called a “straw hat LED.” Its light efficiency was relatively low at that time – only about 4-5 lumen per unit or 0.05-0.08 … Read more

The G4 lamps are types of the bi-pin or two-pin standard, defined by the International Electrotechnical Commission (IEC). These types of lamps have two pins at the input. The number 4 in the name indicates the center-to-center distance between two pins, which is 4mm in this type. The alphabet G is used to indicate that … Read more