Is generally referred to as the external quantum efficiency of the component, which is the product of the internal quantum efficiency of the component and the efficiency of the removal of the component.
LED fluorescent lamp to high quality, durable, energy saving as the main features, projection angle adjustment range, 18W brightness equivalent to ordinary 40W fluorescent lamp, high temperature, moisture waterproof
LED tube also known as LED light pipe, LED fluorescent tube, LED fluorescent lamp, the light source using LED as light body. The traditional fluorescent tube, also known as fluorescent lamps