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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 5, Iss. 1 — Mar. 30, 2001
  • pp: 16–19

Effect of Liquid Crystal Alignment for Photo-Aligned VA-LCD on the Photo-Dimerized Polymer Surface

Jeoung-Yeon Hwang and Dae-Shik Seo  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 5, Issue 1, pp. 16-19 (2001)


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Abstract

A photopolymer, copoly (M4Ch-ChMA), copoly ((4-methacryloyloxy) chalcone-cholesteryl methacrylate), was synthesized in this study. The electro-optical (EO) characteristics for the photo-aligned vertical-alignment (VA)-liquid crystal display (LCD) were investigated. Excellent voltage-transmittance curves for the VA-LCD photo-aligned by polarized UV exposure on the copoly (M4Ch-ChMA) surface were observed. The response time for the photo-aligned VA-LCD decrease with increasing UV exposure time. consequently, the photo-dimerized chalcone moiety increased with increasing UV exposure time, which then contributed to a low response time for the VA-LCD photo-aligned

© 2001 Optical Society of Korea

OCIS Codes
(160.3710) Materials : Liquid crystals
(160.5470) Materials : Polymers
(220.1140) Optical design and fabrication : Alignment
(230.3720) Optical devices : Liquid-crystal devices

History
Original Manuscript: July 25, 2000
Published: March 1, 2001

Citation
Jeoung-Yeon Hwang and Dae-Shik Seo, "Effect of Liquid Crystal Alignment for Photo-Aligned VA-LCD on the Photo-Dimerized Polymer Surface," J. Opt. Soc. Korea 5, 16-19 (2001)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-5-1-16


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