Does the LED light have radiation on the body?
LED light radiation, can cause harm to the human body, we first take a look at the working principle of LED lamps. The LED lamp is capable of converting electric energy directly into visible light. It is a solid state semiconductor device. The most useful part of the LED is a semiconductor wafer, one end of which is attached to a bracket and one end connected to the positive electrode of the power supply, and the entire wafer is encapsulated by epoxy resin. The semiconductor wafer is divided into two parts, one is P type semiconductor, the other is N type semiconductor. When the two are connected, a N pattern is formed between them and a P-N junction is formed. The current passes through the wire acting on the wafer, the electrons are pushed into the P region, and the electrons in the P region are combined with the hole, which then emits energy in the form of photons that make the LED light shine.
LED itself does not have any radiation, but the drive LED circuit will produce a dose of radiation, qualified LED lighting circuit part of the radiation is very small, far from enough harm to the human body.To understand the LED lamp radiation is not big, and have no impact on the human body, we first come to know what is led lights. The LED lamp is light emitting diode, its basic structure is a electroluminescent light-emitting chip of semiconductor material, it is the use of silver paste or glue is fixed, using silver or gold thread connection chip, seal around with epoxy resin to protect the internal core wire, set on a shell. Generally speaking, LED lamps have good seismic performance. The utility model has the advantages of high efficiency, energy saving, safety, long life, compactness, etc.. The use of a wide range of related to our familiar mobile phones, lamps, household appliances and other day-to-day household electrical appliances and machinery production. Great changes have taken place in people's lives.
LED lights do not radiate to the body.1, the use of light-emitting diodes as a light source, mercury is not used, nor lead and other harmful substances;2 、 adopt photoelectric conversion, the surface temperature is below 60 degrees, and no ultraviolet light is produced;3, alternating current into direct current, no flicker, protect eyes;4, belong to the green environmental protection product.
Know so much about the knowledge of LED lights, then led lights have radiation, LED light radiation, take a look at it. First of all to tell you is that visible light is a kind of electromagnetic radiation, not when it comes to radiation, everyone's face changed, not so serious. An LED lamp is a semiconductor material. The band gap energy of each kind of semiconductor material is different, and the LED lamp made of different semiconductor materials can emit different colors of light. Because of the energy gap limit, the energy of a single photon will not exceed the energy gap. Because of the different principles of illumination, the luminous efficiency of LED is much higher than that of incandescent lamp. Under the power of unit illumination, the electromagnetic radiation outside the visible light range is very little. We don't need to worry about the LED light radiation when we use it. A little bit of radiation will not do harm to the human body.
