High Contrast and Fast Response Polarization-Independent Reflective Display Using a Dye-Doped Dual-Frequency Liquid Crystal Gel

We have developed a new guest-host reflective display using a dye-doped dual-frequency liquid crystal (DFLC) gel. By combining dye absorption and maximal light scattering, the display is polarization independent and exhibits a high contrast (∼ 230:1). The high reflectivity (R ∼ 50%) is because of th...

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Bibliographic Details
Published in:Molecular crystals and liquid crystals (Philadelphia, Pa. : 2003) Pa. : 2003), 2006-09, Vol.453 (1), p.371-378
Main Authors: Lin, Yi-Hsin, Ren, Hongwen, Gauza, Sebastian, Wu, Yung-Hsun, Zhou, Ying, Wu, Shin-Tson
Format: Article
Language:English
Subjects:
dual frequency liquid crystal
gel
guest-host reflective display
high contrast
polarization-independent
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Summary:We have developed a new guest-host reflective display using a dye-doped dual-frequency liquid crystal (DFLC) gel. By combining dye absorption and maximal light scattering, the display is polarization independent and exhibits a high contrast (∼ 230:1). The high reflectivity (R ∼ 50%) is because of the vertical aligned structure at 0 V rms . The fast response time (∼ 5 ms) is also fast due to the frequency modulation. A black and white segmented-alphabet reflective display prototype is also demonstrated.
ISSN:1542-1406
1563-5287
DOI:10.1080/15421400600653902