High Performance Negative Dielectric Anisotropy Liquid Crystals for Display Applications

  • Chen Y
  • Peng F
  • Yamaguchi T
  • et al.
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We review recent progress in the development of high birefringence (Δn ≥ 0.12) negative dielectric anisotropy (Δε < 0) liquid crystals (LCs) for direct-view and projection displays. For mobile displays, our UCF-N2 (low viscosity, negative Δε, high Δn) based homogeneous alignment fringe-field switching (called n-FFS) mode exhibits superior performance to p-FFS in transmittance, single gamma curve, cell gap insensitivity, and negligible flexoelectric effect. For projection displays using a vertical alignment \r<br />liquid-crystal-on-silicon (VA LCOS), our high birefringence UCF-N3 mixture enables a submillisecond gray-to-gray response time, which is essential for color sequential displays without noticeable color breakup. Our low viscosity UCF-N2 also enables multi-domain VA displays to use a thinner cell gap for achieving faster response time.




Chen, Y., Peng, F., Yamaguchi, T., Song, X., & Wu, S.-T. (2013). High Performance Negative Dielectric Anisotropy Liquid Crystals for Display Applications. Crystals, 3(3), 483–503. https://doi.org/10.3390/cryst3030483

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