![]() ![]() Because human eyes have different relative viewing rates for light of different wavelengths, when the radiation power of light of different wavelengths is equal, the luminous flux is not equal. Luminous flux refers to the radiant power that the human eye can feel, which is equal to the product of the radiant energy of a certain band per unit time and the relative viewing rate of the band. The luminous efficiency of the light source is related to the light source’s ability to convert energy into electromagnetic radiation and the human eye’s ability to perceive the emitted radiation. The spectrum of infrared light and ultraviolet light does not affect the luminous efficiency. The power in the luminous efficiency usually depends on the situation, but in many cases it is unknown.ĭue to the structure of the human eye, not all wavelengths of light have the same visibility. Depending on the situation, this power can refer to the radiant flux output by the light source, or the energy provided by the light source (which can be electrical energy, chemical energy, etc.). ![]() Luminous efficiency is a parameter of a light source, it is the ratio of luminous flux to power. It is an important indicator to measure the energy saving of light sources. LED lighting efficiency (luminous efficiency), the luminous flux emitted by the light source divided by the power consumed by the light source. The relationship between the efficacy of LED lamps and the luminous efficiency of LED light sources.The concept of LED light source luminous efficiency and LED lamp efficiency.Several Related Common Concepts of LED Lights.
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