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What is LEDToday traditional lighting in the green development has been unable to meet demand, high-tech lighting technology came into being. LED light-emitting diode is a new generation of lighting products that will replace the traditional lighting to bring us more efficient green lighting. The continuous development of efficient lighting has also brought along LED lighting gradually into our lives; as well as promotion of the domestic LED lighting products, LED lighting products have become our new home lighting options. Faced with such a new product, many users do not understand them, but also it is difficult to accept such products. The next paper from the LED definitions, structure and working principle three aspects, basic introduction for you. What is LED Light emitting diode LED is the English acronym, meaning light-emitting diodes. It is a solid-state semiconductor that is capable of emitting light of electronic components and formed by the PN junction. As electroluminescence, LED radiates visible light when the electron and hole recombination. LED can only be turned in one direction, the forward bias, with unidirectional conductivity. In other words, LED is light-emitting diode , it can directly convert electrical energy into visible light. LED has two electrodes so that it allows current to flow from a single direction. LED structure introduced LED diodes are special and general diode as a semiconductor chip. The core of the LED is semiconductor chip, it is attached to the substrate, directly connected to the negative electrode, the positive is connected to column by the anode wires, the reflective bowl lighting effects enhance chips, the chip is encapsulated by epoxy. Is actually very simple, semiconductor chip is the core of LED, which is fixed in the next column, the wiring of positive and negative terminal is to provide current, the whole is encapsulated by epoxy. Works The light-emitting diode is composed of semiconductor chips, which is divided into two parts. Part of LED is the P-type semiconductor, the hole in it dominates, the other side is an N-type semiconductor, it is mainly electronic here. It forms a "PN junction between them when the two semiconductor are connected " These semiconductor materials will be pre-implantation or doping through the lamp process to produce P, N structure, the electronics is pushed to P region when the current through the wire on the chip, in the P zone electron recombine hole, and then it issues in the form of photon energy. The number of light-emitting diode consists of thin layer of doped semiconductor material, a layer with an excess of electrons, another layer form positively charged "holes" due to lack of electrons to, when the current passes, the electronic combine a hole to release energy, and thus emit visible light. The above is the basic principle of the LED, I hope after reading this article you can better understand the LED lighting products, LED lighting and other related knowledge, Li Sida Lighting adopts industry-leading LED lighting technology, together with LED lighting technology and eco-friendly living ideas is to give us more affordable LED flood light and LED tunnel lights and other outdoor and indoor lighting, it is committed to achieving low-carbon green living and making effort to reduce the greenhouse effect to regain naturally and comfortable environment. ...
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