Grayscale memory effect and flexoelectric property of highly kinked bent-core liquid crystals

Ji-Hoon Lee; Tae-Hoon Yoon; E-Joon Choi

doi:10.1117/12.2036871

19 February 2014 Grayscale memory effect and flexoelectric property of highly kinked bent-core liquid crystals

Ji-Hoon Lee, Tae-Hoon Yoon, E-Joon Choi

Author Affiliations +

Proceedings Volume 9004, Emerging Liquid Crystal Technologies IX; 900404 (2014) https://doi.org/10.1117/12.2036871
Event: SPIE OPTO, 2014, San Francisco, California, United States

Abstract

We investigated the electrooptical properties of a bent-core liquid crystal with a high kink angle. The bent-core liquid crystal showed a bistable memory effect and the memory retention time was over 10 h. A nematic liquid crystal doped with a small amount of bent-core liquid crystal showed flexoelectric anisotropy ~37.5 pC/m much greater than the pure host nematic liquid crystal. We also examined the elastic constant of the bent-core liquid crystal doped nematic mixture vs temperature.

Citation Download Citation

Ji-Hoon Lee, Tae-Hoon Yoon, and E-Joon Choi "Grayscale memory effect and flexoelectric property of highly kinked bent-core liquid crystals", Proc. SPIE 9004, Emerging Liquid Crystal Technologies IX, 900404 (19 February 2014); https://doi.org/10.1117/12.2036871

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