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Proceedings Paper

Electric breakdown of dielectric thin films for high-voltage display applications
Author(s): Gatis Mozolevskis; Edgars Nitiss; Arturs Medvids
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Paper Abstract

Smectic A liquid crystal is one of the most promising material for smart glass application due to infinite bistability and low haze at clear state. Voltage is needed to switch from scattering to transparent and it is likely for dielectric breakdown to occur. In order to reduce the probability of dielectric breakdown to occur, a dielectric insulating coating is usually employed. In this work we have compared electrical and optical properties of SiO2 thin films with thickness up to 500 nm coated by flexographic printing and reactive magnetron sputtering. IV characteristics and dielectric breakdown values show sputtered coatings to have higher dielectric strength. For sputtered coatings with thickness >240 nm also self-healing effect can be observed.

Paper Details

Date Published: 31 October 2016
PDF: 6 pages
Proc. SPIE 10022, Holography, Diffractive Optics, and Applications VII, 100222S (31 October 2016); doi: 10.1117/12.2247597
Show Author Affiliations
Gatis Mozolevskis, EuroLCDs, SIA (Latvia)
Riga Technical Univ. (Latvia)
Edgars Nitiss, Univ. of Latvia (Latvia)
Arturs Medvids, Riga Technical Univ. (Latvia)


Published in SPIE Proceedings Vol. 10022:
Holography, Diffractive Optics, and Applications VII
Yunlong Sheng; Chongxiu Yu; Changhe Zhou, Editor(s)

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