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In this study, a novel method for the fabricating silicone lenses is proposed based on ionic wind. In such a method, the normal stress on the air-liquid interface is induced and adjusted by ionic wind, which is applied around liquid lens material. Through adding a specific shape of mask, the lens can be tailored into desired freeform morphology. Experiments are conducted and freeform lens of dual...
A simple and low-cost method for fabricating lens with large view angle was proposed based on droplet evaporation for high-power light-emitting diodes (LEDs). In such a method, an immiscible and vaporizable droplet was deposited on the top surface of a liquid silicone lens. By applying a heat load, the silicone was cured and the droplet was evaporated simultaneously. Then, lenses with craters were...
In this study, a new lens fabricating method based on electrohydrodynamics (EHD) was proposed and demonstrated for light-emitting diodes (LEDs). In such a lens fabricating method, the normal stress on the air-liquid interface was induced and adjusted by the electric field applied around liquid lens material. Through controlling this interface stress, the lens could be tailored into desired morphologies...
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