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Proceedings Paper

Vertical alignment of high birefringence and negative dielectric anisotropic liquid crystals for projection displays
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Paper Abstract

Physical properties and alignment performance of biphenyl and terphenyl negative dielectric anisotropic liquid crystal (LC) compounds are investigated. Results show biphenyl compounds align well in homeotropic LC cells and the alignment of terphenyls are relatively poor. We have developed a new method to align these high birefringence LC compounds. Adding a few percent of positive dielectric anisotropic or nonpolar LC material not only enhances the contrast ratio but also improves the overall figure-of-merit. Molecular modeling and experimentation are demonstrated to support this concept.

Paper Details

Date Published: 23 February 2006
PDF: 9 pages
Proc. SPIE 6135, Liquid Crystal Materials, Devices, and Applications XI, 61350U (23 February 2006); doi: 10.1117/12.647153
Show Author Affiliations
Chien-Hui Wen, College of Optics and Photonics/Univ. of Central Florida (United States)
Benjamin Wu, Duke Univ. (United States)
Sebastian Gauza, College of Optics and Photonics/Univ. of Central Florida (United States)
Shin-Tson Wu, College of Optics and Photonics/Univ. of Central Florida (United States)


Published in SPIE Proceedings Vol. 6135:
Liquid Crystal Materials, Devices, and Applications XI
Liang-Chy Chien, Editor(s)

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