An electrically tunable focusing pico projector using a liquid crystal lens as an active optical element

H. C. Lin, M. S. Chen, Yi-Hsin Lin

Research output: Contribution to journalArticlepeer-review

5 Scopus citations

Abstract

An electrically tunable pico projector adapting a liquid crystal (LC) lens as an active optical element is demonstrated. The electrically tunable focusing properties of the pico-projectors with different aperture sizes of the LC lenses are also investigated. The tunable ranges of the electrically tunable pico projectors are 350cm to ∼14cm. The response times are 1.2sec for the LC lens of 2mm aperture and around 5sec for the LC lens of 4mm aperture. The image performance of the electrically tunable focusing pico projector is demonstrated.

Original languageEnglish
Pages (from-to)150-156
Number of pages7
JournalMolecular Crystals and Liquid Crystals
Volume544
DOIs
StatePublished - 22 Jun 2011

Keywords

  • Liquid crystal
  • liquid crystal lens
  • pico projector

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