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Proceedings Paper

Dielectric breakdown of fast switching LCD shutters
Author(s): Gatis Mozolevskis; Ilmars Sekacis; Edgars Nitiss; Arturs Medvids; Martins Rutkis
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Paper Abstract

Fast liquid crystal optical shutters due to fast switching, vibrationless control and optical properties have found various applications: substitutes for mechanical shutters, 3D active shutter glasses, 3D volumetric displays and more. Switching speed depends not only on properties of liquid crystal, but also on applied electric field intensity. Applied field in the shutters can exceed >10 V/micron which may lead to dielectric breakdown. Therefore, a dielectric thin film is needed between transparent conductive electrodes in order to reduce breakdown probability. In this work we have compared electrical and optical properties of liquid crystal displays with dielectric thin films with thicknesses up to few hundred nanometers coated by flexo printing method and magnetron sputtering. Dielectric breakdown values show flexographic thin films to have higher resistance to dielectric breakdown, although sputtered coatings have better optical properties, such as higher transmission and no coloration.

Paper Details

Date Published: 16 February 2017
PDF: 7 pages
Proc. SPIE 10126, Advances in Display Technologies VII, 1012607 (16 February 2017); doi: 10.1117/12.2252492
Show Author Affiliations
Gatis Mozolevskis, EuroLCDs, SIA (Latvia)
Riga Technical Univ. (Latvia)
Ilmars Sekacis, EuroLCDs, SIA (Latvia)
Edgars Nitiss, Univ. of Latvia (Latvia)
Arturs Medvids, Riga Technical Univ. (Latvia)
Martins Rutkis, Univ. of Latvia (Latvia)


Published in SPIE Proceedings Vol. 10126:
Advances in Display Technologies VII
Liang-Chy Chien; Tae-Hoon Yoon; Sin-Doo Lee, Editor(s)

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