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Optica Publishing Group
  • Journal of Display Technology
  • Vol. 7,
  • Issue 12,
  • pp. 627-629
  • (2011)

Critical Field for a Hysteresis-Free BPLC Device

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Abstract

A correlation between the peak electric field and hysteresis of a polymer-stabilized blue-phase liquid crystal (BPLC) is found experimentally. If the peak electric field is below $\sim ~5 V/μm, hysteresis is negligible. Based on this guideline, we propose elliptical protrusion electrodes to reduce peak electric field which in turn eliminates hysteresis while keeping a high transmittance. Such a hysteresis-free BPLC device is highly desirable for display and photonic applications.

© 2011 IEEE

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