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LED is also called light-emitting diode. It is a semico […]
LED is also called light-emitting diode. It is a semiconductor material. In theory, LED lamps have a very long service life, and require low voltage and low current. They are also more energy-efficient than energy-saving lamps. Environment and safe to use
Incandescent lamp, the principle of luminescence Tungsten wire is heated to above 2000 ℃ under the action of electric current, and uses heat radiation to emit light. Of course, everyone knows that Edison is a heating light source. More comfortable.
Energy-saving lamps, as the name suggests, are energy-saving and energy-saving, and their service life is relatively long. Generally, they can be used for 6000-10000 hours; however, the brightness of energy-saving lamps will gradually degrade.