CUED Publications database

Ultrafast switching liquid crystals for electro-optic transmissive and reflective displays and microscopic lasers

Coles, HJ and Morris, SM and Castles, F and Hands, PJW and Wilkinson, TD (2010) Ultrafast switching liquid crystals for electro-optic transmissive and reflective displays and microscopic lasers. Proceedings of International Meeting on Information Display. pp. 58-59. ISSN 1738-7558

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Abstract

We have used novel liquid crystals with extremely large flexoelectric coefficients in a range of ultra-fast photonic/display modes, namely 1) the uniform lying helix, that leads to in-plain switching, birefringence based displays with 100 μs switching times at low fields, i.e.2-5 V/μm, wide viewing angle and analogue or grey scale capability, 2) the uniform standing helix, using planar surface alignment and in-plane fields, with sub ms response times and optical contrasts in excess of 5000:1 with a perfect black "off state", 3) the wide temperature range blue phase that leads to field controlled reflective color and 4) high slope efficiency, wide wavelength range tunable narrow linewidth microscopic liquid crystal lasers.

Item Type: Article
Uncontrolled Keywords: Blue phases and lasers Flexoelectric N*displays Liquid crystals
Subjects: UNSPECIFIED
Divisions: Div B > Photonics
Depositing User: Cron Job
Date Deposited: 07 Mar 2014 12:01
Last Modified: 27 Nov 2014 19:19
DOI: