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Journal of Display Technology

Journal of Display Technology


  • Vol. 2, Iss. 4 — Dec. 1, 2006
  • pp: 327–332

Enhancing Birefringence by Doping Fluorinated Phenyltolanes

Sebastian Gauza, Yang Zhao, Tatiana Le Cor, Shin-Tson Wu, Jerzy Dziaduszek, Genadz Sasnouski, Roman Dabrowski, and Liang-Chy Chien

Journal of Display Technology, Vol. 2, Issue 4, pp. 327-332 (2006)

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We have designed, synthesized, and evaluated the physical properties of some high birefringence (Δn) isothiocyanato phenyltolane and quaterphenyl liquid crystals. These compounds exhibit Δn ~ 0.48-0.52 at room temperature and wavelength λ = 633 nm. Laterally substituted short alkyl chains and fluorine atom eliminate smectic phase and lower the melting temperature. The moderate melting temperature and very high clearing temperature make those compounds attractive for eutectic mixture formulation. These compounds can be used as dopants for color-sequential liquid crystal displays or eutectic mixtures for laser beam steering.

© 2006 IEEE

Sebastian Gauza, Yang Zhao, Tatiana Le Cor, Shin-Tson Wu, Jerzy Dziaduszek, Genadz Sasnouski, Roman Dabrowski, and Liang-Chy Chien, "Enhancing Birefringence by Doping Fluorinated Phenyltolanes," J. Display Technol. 2, 327-332 (2006)

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