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LED Chip Application

May. 13, 2019

As an Infrared LED China Manufracturer, let us introduce the application of LED chips.An LED chip is a solid-state semiconductor device that converts electricity directly into light. The heart of the LED is a semiconductor chip. One end of the chip is attached to a bracket, one end is a negative pole, and the other end is connected to the positive pole of the power supply, so that the entire chip is encapsulated by epoxy resin. The semiconductor chip consists of two parts, one part is a P-type semiconductor, in which the hole dominates, and the other end is an N-type semiconductor, which is mainly electrons here. But when the two semiconductors are connected, they form a P-N junction. When current is applied to the chip through the wire, the electrons are pushed to the P region. In the P region, the electrons recombine with the holes, and then the energy is emitted in the form of photons. This is the principle of LED illumination. The wavelength of light, which is the color of light, is determined by the material that forms the P-N junction. The LED chip is the main raw material of the LED, and the LED mainly relies on the chip to emit light.

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