What does luminous flux mean ?

Thursday, 03/20/2025

Discover the essence of luminous flux with Vanray. Luminous flux measures the total perceived power of light, crucial in assessing lighting efficiency. At Vanray, we illuminate spaces with optimized lighting solutions, ensuring energy-efficient brilliance. Unveil how our innovative designs transform environments by maximizing luminous flux, marrying functionality with cutting-edge technology. Illuminate your world with Vanray's expertise in lighting excellence.

 

luminous flux

 

What does luminous flux mean ?

luminous flux refers to the radiation power that can be felt by the human eye, which is equal to the product of the radiation energy of a certain band and the relative visibility of that band in a unit time. Because the relative visibility of the human eye to different wavelengths of light is different, so the radiation power of different wavelengths of light is equal, its luminous flux is not equal.

 

Illuminance is expressed by luminous flux (Lux LX), and the unit is LM/, that is, lumens/square meter. The formula is: 1Lx=1 Lm/. Generally speaking, it is the amount of light per unit area that the human eye can see. Assuming that the object is uniformly illuminated by light, then, when the luminous flux obtained on 1 square meter is 1 lumen, its illuminance is 1 lux.

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