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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 17 — Sep. 1, 2009
  • pp: 2545–2547

Single-cell-gap transflective liquid-crystal display based on photo- and nanoparticle-induced alignment effects

Wen-Zheng Chen, Yi-Tai Tsai, and Tsung-Hsien Lin  »View Author Affiliations


Optics Letters, Vol. 34, Issue 17, pp. 2545-2547 (2009)
http://dx.doi.org/10.1364/OL.34.002545


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Abstract

This work presents a transflective liquid-crystal (LC) display with a single cell gap in a dual-alignment configuration. This dual structure was fabricated via single-step laser-light exposure through a photomask. The vertical alignment induced by nanoparticles of polyhedral oligomeric silsesquioxanes can be changed into a homogeneous alignment via absorption of photoexcited azo dye. The LC molecules at the transmissive and reflective pixels are homogeneous and hybrid alignment, respectively, at which optimal phase retardations of half and quarter wavelengths are achieved.

© 2009 Optical Society of America

OCIS Codes
(160.3710) Materials : Liquid crystals
(230.3720) Optical devices : Liquid-crystal devices

ToC Category:
Optical Devices

History
Original Manuscript: June 1, 2009
Revised Manuscript: July 18, 2009
Manuscript Accepted: July 29, 2009
Published: August 18, 2009

Citation
Wen-Zheng Chen, Yi-Tai Tsai, and Tsung-Hsien Lin, "Single-cell-gap transflective liquid-crystal display based on photo- and nanoparticle-induced alignment effects," Opt. Lett. 34, 2545-2547 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-17-2545


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