A silicon-based dual-LED packaging module with a three-dimension freeform lens for square illumination


This paper presents a three dimensional lens shaping method for dual-LED packaging module using silicon micromachined substrate. The technology utilizes flower-typed structure and silicone dispensing process to fabricate a 3-D freeform encapsulation lens for achieving uniform illumination and specific light pattern. Based on the experimental results, with… (More)

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