Some Basic Concepts About LED Light Sources
Luminous Flux: The energy that the light source radiates to the surrounding space in a unit time and can make the human eye feel light is called luminous flux. The unit is lumens (Lm). Luminous Flux = Luminous Efficacy (Lm/W) × Power (W) Illumination VS Brightness Illuminance is used to describe the degree of illumination on […]