37.3: Optimization of Photo‐Aligned Asymmetric Ferroelectric Liquid Crystal Display Performance: Effect of Planar Layer | Zendy

Huang D. D. | Zendy; Chigrinov V. G. | Zendy; Kwok H. S. | Zendy

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37.3: Optimization of Photo‐Aligned Asymmetric Ferroelectric Liquid Crystal Display Performance: Effect of Planar Layer

Author(s) -

Huang D. D.,

Chigrinov V. G.,

Kwok H. S.

Publication year - 2004

Publication title -

sid symposium digest of technical papers

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.351

H-Index - 44

eISSN - 2168-0159

pISSN - 0097-966X

DOI - 10.1889/1.1821331

Subject(s) - planar , materials science , bistability , ferroelectricity , contrast ratio , liquid crystal , layer (electronics) , polyimide , optoelectronics , substrate (aquarium) , optics , smoothness , liquid crystal display , nanotechnology , computer science , physics , mathematics , oceanography , computer graphics (images) , geology , dielectric , mathematical analysis

Photo‐aligned ferroelectric liquid crystal (FLC) display reveals a perfect alignment in case of asymmetric boundary conditions, when the competition in aligning action of two solid surfaces is avoided. In this case a stable uniform photo‐alignment on one of the cell substrates spreads out to the other, which is prepared to sustain planar alignment with a degenerate azimuthal direction. In the paper, a thin polyimide film was involved to improve smoothness of planar substrate, resulting in the better electrooptical properties of FLC display. A contrast ratio of 300:1 in a static addressing mode and 82:1 in a multiplex mode was demonstrated together with a perfect bistable switching of FLC display in static and multiplex addressing regimes.

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