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Alignment of ferroeiectric liquid crystals with photoanisotropic azodye aligning layers

Authors Pozhidaev, Evgeny HKUST affiliated (currently or previously)
Chigrinov, Vladimir Grigorievich View this author's profile
Huang, Danding HKUST affiliated (currently or previously)
Kwok, Hoi Sing View this author's profile
Issue Date 2002
Source SID Conference Record of the International Display Research Conference , 2002, p. 137-140
Summary The photo-induced alignment quality of a ferroelectric liquid crystas (FLC) onto a photochemical stable azodye film was studied for various procedures of the azodye film photo-treatment and the FLC structure. The alignment quality of FLC depends mainly on the order parameter of the azodye film, however the structure of FLC layer is also important. So, the photo-aligned deformed helix ferroelectric (DHF) liquid crystal exhibits the contrast ratio CR> 500:1, while for the helix free FLC the contrast ratio CR>1500:1.
Note 22nd International Display Research Conference; Nice; France; 2 October 2002 through 4 October 2002; Code 60568
ISSN 1083-1312
Rights This paper is made available with permission of the Society for Information Display. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper are prohibited.
Language English
Format Conference paper
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