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LED energy-saving lamps are a new generation of lightin […]
LED energy-saving lamps are a new generation of lighting sources after compact fluorescent lamps (ie ordinary energy-saving lamps). LED is a semiconductor light-emitting diode, which is a solid-state semiconductor device that can directly convert electricity into light.
LED energy-saving lamp is a high-brightness white light-emitting diode light source with high light efficiency, low power consumption, long life, easy control, maintenance-free, safety and environmental protection; it is a new generation solid cold light source with soft, bright, colorful and low Consumption, low energy consumption, green environmental protection, suitable for long-term lighting in homes, shopping malls, banks, hospitals, hotels, restaurants and other public places. Flash-free DC power, which protects the eyes well, is the best choice for table lamps and flashlights. The heart of light-emitting diodes and LEDs is a semiconductor wafer. One end of the wafer is attached to a bracket, one end is a negative electrode, and the other end is connected to the positive electrode of a power supply, so that the entire chip is encapsulated by epoxy resin.
A semiconductor wafer consists of two parts, one is a P-type semiconductor, where holes dominate, and the other end is an N-type semiconductor, where electrons are mainly. But when these two semiconductors are connected, a P-N junction is formed between them. When a current is applied to the wafer through a wire, the electrons are pushed to the P region, where the electrons and holes recombine, and then the energy is emitted in the form of photons. This is the principle of LED light emission. Because LED lamps do not generate much heat, they convert electrical energy into light energy as much as possible, while ordinary lamps convert a lot of electrical energy into thermal energy due to the large amount of heat, which is wasted. In contrast, LED lighting appears to be energy efficient.
LED energy-saving lamps, as a category of LED general lighting, derive their names from traditional lighting bulbs and energy-saving lamps. The shape of LED energy-saving lamps is similar to that of traditional energy-saving lamps. Such an appearance can meet the traditional aesthetics of consumers. Features of LED energy-saving lamps: low cost, high light efficiency, large light emitting area, no glare, no ghosting.