Proposal of Lens Shaping Method Using UV Printer
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We proposed a lens forming method that does not require post-output processing using an ultraviolet (UV) printer. The transparent ink is first laminated to form a shape. A UV printer then smooths its surface by filling the layer roughness with a gloss. We implemented a tool to design the lens shape by inputting the lens diameter, focal length, etc.; with this tool, multiple lenses can be arranged and output as data to be printed by a UV printer.
[1] Chung-Hao Tien,et al. Microlens Arrays by Direct-Writing Inkjet Print for LCD Backlighting Applications , 2009, Journal of Display Technology.