Comparative electrooptic study of new orthoconic liquid crystals with fluorinated alkoxy terminal chains

• Autorzy: Spadło A. , Otón E. , Dąbrowski R. , Żurowska M. , Otón J. M. , Bennis N.
• Języki publikacji: EN

Abstrakty

EN

Electrooptical properties of several new orthoconic antiferroelectric liquid crystal mixtures with partially fluorinated alkoxyalkoxy terminal chains have been investigated in order to select the best mixture for display applications. Electrooptical studies have been performed on these orthoconic materials aiming at evaluating their static and dynamic performance under passive multiplexing conditions. A number of parameters have been evaluated, static and dynamic contrast, driving scheme for passive multiplexing, rise and fall response times, dynamic range, and dynamic greyscale.

Słowa kluczowe

EN

orthoconic antiferroelectric liquid crystals; electrooptical response

• Wydawca: Stowarzyszenie Elektryków Polskich ; Polska Akademia Nauk ; Wojskowa Akademia Techniczna im. Jarosława Dąbrowskiego
• Czasopismo: Opto-Electronics Review
• Rocznik: 2010
• Tom: Vol. 18, No. 2
• Strony: 219--222
• Opis fizyczny: Bibliogr. 12 poz., wykr.

Twórcy

autor

Spadło A.

autor

Otón E.

autor

Dąbrowski R.

autor

Żurowska M.

autor

Otón J. M.

autor

Bennis N.

• ETSI Telecomunicación, Universidad Politécnica de Madrid, Ciudad Universitaria s/n, E-28040 Madrid, Spain,

Bibliografia

• [1] K. D'have, P. Rudquist, S. T. Lagerwall, H. Pauwels, W. Drzewiński and R. Dąbrowski: Solution of the dark state problem in antiferroelectric liquid crystal displays. Appl. Phys. Lett. 76, 3528-3530, 2000.
• [2] K. D'have, A. Dahlgren, P. Rudquist, J. P. F. Lagerwall, G. Anderson, M. Matuszczyk, S. T. Lagerwall, R. Dąbrowski and W. Drzewiński: Antiferroelectric liquid crystals with 45 degrees tilt - a new class of promising electro-optic materials. Ferroelectrics 244, 115-128, 2000.
• [3] S. Lagerwall, A. Dahlgren, P. Jägemal, P. Rudquist, K. D'have, H. Pauwels, R. Dąbrowski and W. Drzewiński: Unique electro-optical properties of liquid crystals designed for molecular optics. Adv. Funct. Mater. 11, 87-94, 2001.
• [4] R. Dąbrowski, J. Gąsowska, J. M. Otón, W. Piecek, J. Przedmojski and M. Tykarska: High tilted antiferroelectric liquid crystalline materials. Displays 25, 9-19, 2004.
• [5] A. Spadło, N. Bennis, R. Dąbrowski, X. Quintana, J. M. Otón and M. A. Geday: Modifying electrooptics of orthoconic liquid crystals cells by manufacturing procedures. Opto-Electron. Rev. 15, 60-65, 2007.
• [6] M. Żurowska, R. Dąbrowski, J. Dziaduszek, K. Czupryński, K. Skrzypek, M. Filipowicz, N. Bennis and J. M. Otón: Synthesis and properties of high tilted antiferroelectric esters with partially fluorinated alkoxyalkoxy terminal chains. Opto-Electron. Rev. 16, 251-256, 2008.
• [7] M. Żurowska, R. Dąbrowski, J. Dziaduszek, K. Czupryński, K. Skrzypek and M. Filipowicz: Synthesis and mesomorphic properties of chiral esters comprising partially fluorinated alkoxyalkoxy terminal chains and a 1-methylheptyl chiral moiety. Mol. Cryst. Liq. Cryst. 495, 497-509, 2008.
• [8] W. Rejmer, M. Żurowska, R. Dąbrowski, K. Czupryński, Z. Raszewski and W. Piecek: An influence of the fluorosubstitution and the spacer length on the phase transitions and helical pitch value in high tilted antiferroelectric esters. Mol. Cryst. Liq. Cryst. 509, 937-947, 2009.
• [9] M. Żurowska, R. Dąbrowski, J. Dziaduszek, K. Skrzypek, M. Filipowicz, W. Rejmer, K. Czupryński, N. Bennis and J. M. Otón: Influence of alkoxy spacer length and fluorosubstitution of benzene ring on mesogenic and spectral properties of high tilted antiferroelectric 4'-(S)-1-(methylheptyloxycarbonyl)biphenyl-4-yl-4-(2,2,3,3,4,4,4-heptafluorobutoxy)alkoxybenzoates. J. Mater. Sci. (in press)
• [10] X. Quintana, J. L. Gayo, C. Rodrigo, V. Urruchi and J. M. Otón: Addressing waveforms for tristable AFLCs in active matrix displays. Ferroelectrics 246, 11-17, 2000.
• [11] X. Quintana, P. L. Castillo, J. M. Otón, N. Bennis, A. Lara, V. Urruchi and R. Dąbrowski: Antiferroelectric liquid crystal displays. Opto-Electron. Rev. 12, 291-297, 2004.
• [12] R. Beccherelli and S. J. Elston: Evaluation of optical anisotropy in the pretransitional regime in antiferroelectric liquid crystals. Liq. Cryst. 25, 573-577, 1998.