What is brightness?
Release Time：2020-09-30
Abst：Brightness (L) is the light intensity of light source (or irradiated surface) in a direction of the unit area.Unit: candela / square meters [cd / m]
Brightness (L) is the light intensity of light source (or irradiated surface) in a direction of the unit area.Unit: candela / square meters [cd / m]
