led led light
公開日:2022/05/23 / 最終更新日:2022/05/23
An LED lamp or LED light bulb is an electric light that produces light using light-emitting diodes (LEDs). LED lamps are significantly more energy-efficient than equivalent incandescent lamps and can be significantly more efficient than most fluorescent lamps.[1][2][3] The most efficient commercially available LED lamps have efficiencies of 200 lumens per watt (Lm/W).[4][5][6] Commercial led lights lamps have a lifespan many times longer than incandescent lamps.
LED lamps require an electronic LED driver circuit to operate from mains power lines, and losses from this circuit means that the efficiency of the lamp is lower than the efficiency of the LED chips it uses. The driver circuit may require special features to be compatible with lamp dimmers intended for use on incandescent lamps. Generally the current waveform contains some amount of distortion, depending on the luminaires’ technology.[7]
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