A pico projection system with electrically tunable optical zoom ratio adopting two liquid crystal lenses

Yi-Hsin Lin*, Ming Syuan Chen

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

27 Scopus citations

Abstract

A pico projection system with electrically tunable optical zoom ratio adopting two liquid crystal (LC) lenses is first demonstrated. The projected image of the system is not only continuously focused, but also zoomed simultaneously by adjusting the focal lengths of LC lenses electrically. The related optical principle is discussed and a liquid-crystal-on-silicon (LCOS)-based pico projection system was used to demonstrate the designed concept. This study opens a new window in realizing pico projectors with electrically tunable optical zooms.

Original languageEnglish
Article number6225442
Pages (from-to)401-404
Number of pages4
JournalIEEE/OSA Journal of Display Technology
Volume8
Issue number7
DOIs
StatePublished - 9 Jul 2012

Keywords

  • Liquid crystal (LC) lens
  • projection system
  • zoom system

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