Traditional Culture Encyclopedia - Traditional culture - Materials for led packaging
Materials for led packaging
the plug-in LED is mainly made of Epoxy resin, which is characterized by low price, good air tightness, strong adhesion and high hardness. However, it is easy to yellow, and it is not temperature-resistant.
SMD LED is mainly optical grade Silicone, which is characterized by high temperature resistance, reflow soldering, difficult yellowing and stable performance. But it has strong water permeability, low hardness and high price.
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