High-power LED packaging technology
fecha:2010-11-24 16:20
efractive index of the transparent layer (potting), because the air layer between the chip and is, thus effectively reducing the loss of photons in the interface to improve the light extraction efficiency. In addition, the role of potting chip also includes a mechanical protection, stress release, and as a light guide structure. Therefore, the requirements of its high transmittance, high refractive index, thermal stability, good fluidity, easy to spray. To improve the reliability of LED package,
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