High performance room temperature nematic liquid crystals based on laterally fluorinated isothiocyanato-tolanes

IEEE/OSA Journal of Display Technology

Volumn 2, Issue 3, 2006, Pages 247-253

  Gauza, Sebastian ^b   Wu, Shin Tson ^a,b   Spadło, Anna ^c   Dabrowski, Roman ^c  

^a IEEE

^b UNIVERSITY OF CENTRAL FLORIDA   (United States)

^c MILITARY UNIVERSITY OF TECHNOLOGY   (Poland)

Author keywords

Fast response time; High birefringence; High flgure of merit; Low viscosity; Nematic liquid crystals

Indexed keywords

BIREFRINGENCE; EUTECTICS; FLUORINE COMPOUNDS; LASER BEAMS; THERMAL EFFECTS; VISCOSITY;

FAST RESPONSE TIME; HIGH BIREFRINGENCE; HIGH FLGURE-OF-MERIT; LOW VISCOSITY;

NEMATIC LIQUID CRYSTALS;

EID: 33748309287     PISSN: 1551319X     EISSN: None     Source Type: Journal    
DOI: 10.1109/JDT.2006.878770     Document Type: Article

References (31)

1. S. T. Wu and D. K. Yang, Reflective Liquid Crystal Displays. Hoboken, NJ: Wiley, 2001.
2. S. Kibe, N. Hattori, M. Ushioda, H. Yamamoto, and S. Matsui, "Novel liquid-crystal materials for AMLCDs," J. Soc. Inf. Display, vol. 11, pp. 449-455, Sep. 2003.
3. T. Geelhaar, K. Tarumi, and H. Hirschmann, "Trends in LC materials," in SID Symp. Dig., May 1996. vol. 27, pp. 167-170.
4. Y. Goto, T. Ogawa, S. Sawada, and S. Sugimori, "Fluorinated liquid crystals for active matrix displays," Mol. Ciyst. Liq. Cryst., vol. 209, pp. 1-7, Jul. 1991.
5. P. F. McManamon, T. A. Dorschner, D. L. Corkum, L. Friedman, D. S. Hobbs, M. Holz, S. Liberman, H. Q. Nguyen, D. P. Resler, R. C. Sharp, and E. A. Watson. "Optical phased array technology," Proc. IEEE, vol. 84. pp. 268-298, Feb. 1996.
6. Y. Lu, F. Du, Y. H. Lin, and S. T. Wu, "Variable optical attenuator based on polymer-stabilized twisted nematic liquid crystal," Opt. Expr., vol. 12, pp. 1221-1227, Apr. 2004.
7. J. L. Fergason, "Polymer encapsulated nematic liquid crystals for display and light control applications," in SID Symp. Dig., May 1985, vol. 16, pp. 68-70.
8. R. L. Sutherland, V. P. Tondiglia, and L. V. Natarajan, "Electrically switchable volume gratings in polymer-dispersed liquid crystals," Appl. Phys. Lett., vol. 64. pp. 1074-1076, Feb. 1994.
9. N. Mizoshita, K. Hanabusa, and T. Kato, "Fast and high-contrast electro-optical switching of liquid-crystalline physical gels: formation of oriented microphase-separated structures," Adv. Fund. Mater., vol. 13, pp. 313-317, Apr. 2003.
10. Y. H. Fan, H. W. Ren, and S. T. Wu, "Normal mode anisotropic liquid crystal gels," Appl. Phys. Lett., vol. 82, pp. 2945-2947, May 2003.
11. S. T. Wu, U. Efron, and L. D. Hess, "Birefringence measurements of liquid crystals," Appl. Opt., vol. 23, pp. 3911-3915, Nov. 1984.
12. S. Gauza, C. H. Wen, S. T. Wu, N. Janarthanan, and C. S. Hsu, "Super high birefringence isothiocyanato biphenyl-bistolane liquid crystals," Jpn. J. Appl. Phys., vol. 43, pp. 7634-7638, November 2004.
13. C. Sekine, K. Fujisawa, K. Iwakura, and M. Minai, "High birefringence phenylaeetylene liquid crystals with low viscosity," Mol. Ciyst. Liq. Ciysl., vol. 364, pp. 711-718, Jul. 2000.
14. A. Spadlo, R. Dabrowski, M. Filipowicz, Z. Stolarz, J. Przedmojski, S. Gauza, Y. H. Fan, and S. T. Wu, "Synthesis, mesomorphic and optical properties of isothiocyanatotolanes," Liq. Cryst., vol. 30. pp. 191-198, Feb. 2003.
15. I. K. Huh and Y. B. Kim, "Fluoro-isothiocyanated liquid crystal materials with high dielectric anisotropy and voltage holding ratio," Jpn. J. Appl. Phys., vol. 41. pp. 6466-6470, November 2002.
16. J. A. Malecki and J. Nowak, "Intermolecular interactions in benzene solutions of 4-heptyl-3′-cyano-biphenyl studied with non-linear dielectric effects," J. Mol. Liquids, vol. 81, pp. 245-252, May 1999.
17. S. T. Wu, "Birefringence dispersions of liquid crystals," Phys. Rev. A. vol. 30, pp. 1270-1274. Feb. 1986.
18. S. T. Wu, A. M. Lackner, and U. Efron, "Optimal operation temperature of liquid crystal modulators," Appl. Opt., vol. 26, pp. 3441-3445. Aug. 1987.
19. S. T. Wu, J. D. Margerum, H. B. Meng, L. R. Dalton, C. S. Hsu, and S. H. Lung. "Room-temperature diphenyl-diacetylene liquid crystals," Appl. Phys. Lett., vol. 61. pp. 630-632, Aug. 1992.
20. M. D. Wand, R. T. Vohra, W. N. Thurmes, and K. M. More, "Tolane cinnamates-a new class of stable, high birefringence dopants," Ferroelectrics, vol. 180, pp. 333-339, Jul. 1996.
21. C. O. Catanescu and L. C. Chien, "High birefringence nematic liquid crystals for display and telecom applications," Mol. Ciyst. Liq. Ciyst., vol. 411, pp. 93-102, Jul. 2004.
22. S. Gauza, H. Wang, C. H. Wen, S. T. Wu, A. J. Seed, and R. Dabrowski, "High birefringence isothiocyanato tolane liquid crystals," Jpn. J. Appl. Phys., vol. 42. pt. 1, pp. 3463-3466, Jun. 2003.
23. R. Dabrowski, J. Przedmojski, A. Spadło, J. Dziaduszek, and M. Tykarska, "Features of the smectic e phases in some strongly polar biphenyls and tolanes," Phase Transition, vol. 77, pp. 1103-1110, Dec. 2004.
24. G. W. Gray and D. G. McDonnell, "Synthesis and liquid crystal properties of chiral alkyl-cyano-biphenyls (and -p-terphenyls) and of some related chiral compounds derived from biphenyl," Mol. Cryst. Liq. Cryst., vol. 37, pp. 189-211, Aug. 1976.
25. C. Sekine, K. Iwakura, N. Konya, M. Minai, and K. Fujisawa, "Synthesis and properties of some novel high birefringence phenylacetylene liquid crystal materials with lateral substituents," Liq. Cryst., vol. 28, pp. 1375-1387, Mar. 2001.
26. S. T. Wu, U. Finkenzeller, and V. Reiffenrath, "Physical properties of diphenyldiacetylenicliquid crystals," J. Appl. Phys.. vol. 65, pp. 4372-4376. Jun. 1989.
27. P. T. Lin, S. T. Wu, C. Y. Chang, and C. S. Hsu, "UV stability of high birefringence liquid crystals," Mol. Cryst. Liq. Cryst., vol. 411, pp. 243-253, May 2004.
28. C. O. Catanescu and L. C. Chien, "High birefringence difluoro-isothiocyanate biphenyl tolane liquid crystals," Liq. Cryst.. vol. 33, pp. 115-120, Jan. 2006.
29. C. H. Wen, S. Gauza, and S. T. Wu, "Ultraviolet stability of liquid crystals containing cyano and isothiocyanato terminal groups," Liq. Ciyst., vol. 31, pp. 1479-1485, Nov. 2004.
30. I. K. Huh and Y. B. Kim. "Electro-optical properties of liquid crystal mixtures containing fluoroisothiocyanated compounds," Jpn. J. Appl. Phys., vol. 41, pp. 6484-6485, Nov. 2002.
31. S. Gauza, J. Li, S. T. Wu, A. Spadlo, R. Dabrowski, Y. N. Tzeng, and K. L. Cheng, "High birefringence and high resistivity isothiocyanate-based nematic liquid crystal mixtures," Liq. Cryst.. vol. 32, pp. 1077-1085, Aug. 2005.