LED lamp bead packaging can be divided into two different packaging forms: direct -inserted and patch LED light -emitting diode. The LED patch is also referred to as SMD LED packaging. Its luminous principle is to turn the current through the compound semiconductor. Through the combination of electrons and holes, the excess energy is released in the form of light to achieve the effect of glowing. In fact, it is also called LED. It can convert electrical energy into light energy. Like an ordinary diode, it is composed of a PN, and it is also one -way conductive. The glowing diodes are posted on the surface of the line board, suitable for SMT processing, which can be welded. The size of the lamp beads is smaller than the direct -inserted LED, so it is packaged in smaller space to pack more LED chips. Patching lamp beads solve the problems of brightness, perspective, flatness, reliability and consistency. Compared with other packaging components, LED patch lamp beads have great advantages, such as high -quality seismic resistance impact performance , Low welding point defect rate and high frequency characteristics.
Author: Tianhui-Air Disinfection
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