Flexible area‐color reflective displays based on electric‐field‐induced blueshift in a cholesteric liquid‐crystal film | Zendy

Xianyu Haiqing | Zendy; Chen KuanMing | Zendy; Wu ShinTson | Zendy

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Flexible area‐color reflective displays based on electric‐field‐induced blueshift in a cholesteric liquid‐crystal film

Author(s) -

Xianyu Haiqing,

Chen KuanMing,

Wu ShinTson

Publication year - 2008

Publication title -

journal of the society for information display

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.578

H-Index - 52

eISSN - 1938-3657

pISSN - 1071-0922

DOI - 10.1889/1.2835018

Subject(s) - blueshift , cholesteric liquid crystal , materials science , reflection (computer programming) , optics , dielectric , liquid crystal , texture (cosmology) , optoelectronics , anisotropy , electric field , physics , computer science , photoluminescence , quantum mechanics , artificial intelligence , image (mathematics) , programming language

— An electrically controllable blueshift of the reflection band is observed in a cholesteric liquid crystal with either positive or negative dielectric anisotropy. The change in optical properties is a result of a two‐dimensional periodic undulation of the cholesteric texture, known as Helfrich deformation. This blueshift mechanism was used to demonstrate area‐color reflective displays in a cholesteric cell and a rollable polymeric film.

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