Rabin & Berdo, P.C.
Lens and LED using the lens to achieve homogeneous illumination
A lens and an LED using the lens to achieve homogeneous illumination include a region. The region around the optical axis of a lens is designed to be concave and form a divergent surface. The upper surface of the lens is a continuous curved surface to diverge the high-intensity light emitted by the LED in the vicinity of the optical axis through refractions. Therefore, the LED can homogeneously illuminate a larger area.
Industrial Technology Research Institute
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Che-Wei Tien-Fu Kuo-Chang
Su Huang Hu