A Low Speckle Laser Pico-Projector with Dynamic Light Scattering Liquid Crystal Devices

Yong Han Chen, Guan Chih Ckhq, Jui Wen Pan*, Shie Chang Jeng*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

Abstract

Dynamic light scattering liquid crystal (DLS-LC) device with a low driving field is used to reduce the speckle in the laser pico-projector. The DLS-LC device produces the time-varying scattering patterns, which can eliminate the degrees of temporal and spatial coherences of the laser and achieve a very effective reduction in the speckle contrast.

Original languageEnglish
Pages (from-to)763-766
Number of pages4
JournalProceedings of the International Display Workshops
Volume29
StatePublished - 2022
Event29th International Display Workshops, IDW 2022 - Fukuoka, Japan
Duration: 14 Dec 202216 Dec 2022

Keywords

  • dynamic light scattering
  • laser projector
  • liquid crystal
  • speckle

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