What should be paid attention to in the basic knowledge of led lighting?
White LEDs for lighting are different from traditional LED products, and have some special requirements in terms of technical performance indicators: the luminous flux of a Φ5 LED is only about 1lm, while the white light power LED used for lighting is expected to reach 1Klm.
Of course, the luminous flux is 0.1Klm and 0.
01Klm power LEDs can also meet less demanding lighting needs. Because the efficiency of 15W incandescent lamp is low, only 8lm/w, so the luminous flux of a 15W incandescent lamp is equivalent to the white light power LED5W device of 25lm/w.
Luminous Efficiency At present, the industrialized products have increased from 15lm/w to 100lm/w, the research level is 125lm/w, and the highest level has reached 130lm/w. The color temperature is between 2500K-10000K, preferably between 2500K-5000K.
The color rendering index Ra is preferably 100. At present, it can reach 85% stability. Both wavelength and luminous flux are required to be stable, but the degree of stability depends on the needs of the future.
The life span is 50,000 hours to 100,000 hours.
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