45.1: High‐Contrast Homeotropic Alignment of Difluoro‐tolane Liquid Crystals | Zendy

Wen ChienHui | Zendy; Gauza Sebastian | Zendy; Li Jun | Zendy; Wu ShinTson | Zendy; Wang Haiying | Zendy; Liang Xiao | Zendy

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45.1: High‐Contrast Homeotropic Alignment of Difluoro‐tolane Liquid Crystals

Author(s) -

Wen ChienHui,

Gauza Sebastian,

Li Jun,

Wu ShinTson,

Wang Haiying,

Liang Xiao

Publication year - 2005

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 - 10.1889/1.2036284

Subject(s) - homeotropic alignment , polyimide , materials science , birefringence , liquid crystal , dielectric , contrast ratio , contrast (vision) , figure of merit , anisotropy , optoelectronics , optics , composite material , physics , layer (electronics)

Excellent homeotropic alignment of high birefringence and negative dielectric anisotropy difluoro‐tolane liquid crystals was demonstrated using long‐chain alcohol evaporated SiO 2 inorganic layers and buffed polyimide layers. The addition of 5–10% isothiocyanato tolane not only improves the contrast ratio but also enhance the figure‐of‐merit. A disadvantage is in the increased threshold voltage.

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