Microlens arrays by direct-writing inkjet print for LCD backlighting applications

Chung-Hao Tien*, Chien Hsiang Hung, Tsung Han Yu

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Scopus citations

Abstract

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.

Original languageEnglish
Article number4810193
Pages (from-to)147-151
Number of pages5
JournalIEEE/OSA Journal of Display Technology
Volume5
Issue number5
DOIs
StatePublished - 1 May 2009

Keywords

  • Backlights
  • Inkjet print
  • Light guide plate
  • Microlens array

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