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Microlens Arrays by Direct-Writing Inkjet Print for LCD Backlighting Applications

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3 Author(s)
Chung-Hao Tien ; Dept. of Photonics, Nat. Chiao-Tung Univ., Hsinchu ; Chien-Hsiang Hung ; Tsung-Han Yu

In this paper, we demonstrated the Inkjet print method to fabricate a ultraviolet (UV)-curable epoxy microlens deflecting array with controllable curvature and filling factor, by which a 7-in light guide plate with 82% uniformity and 70% light efficiency was successfully implemented. The microlenses can be directly formed by plastic discharged by inkjet head, eliminating the need for molds and slashing development time. Proposed method will certainly has a promising impact on rapid prototyping and other specialized microfeatures due to its simplicity and versatility.

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Display Technology, Journal of  (Volume:5 ,  Issue: 5 )