LED Lighting Terms

What Is PPF? PPF—the fundamental unit of electromagnetic energy—measures how much PAR a light source emits in a second. Furthermore,

What Is PAR? PAR is the abbreviation for photosynthetic active radiation, which includes the visible wavelength of light from 400nm

Do you really know the meaning of terms like lumens and lux when choosing LED lights? Are you still using

Lumen maintenance is a ratio comparing the luminous flux of an LED light after a certain number of working hours

The power factor, which measures the efficiency of electricity use, is the ratio of active power to perceived power. Most

After understanding what CRI (Color Rendering Index) means, you might find another similar concept confusing—color temperature. To put it simply,

The International Commission on Illumination offers an authorized definition of CRI, which refers to the Color Rendering Index. Instead of

According to the IES definition, beam angle refers to the angle formed by the two sides when the light intensity