Photo-aligned ferroelectric liquid crystal displays based on azo-dye layers

Photo-aligned ferroelectric liquid crystal displays based on azo-dye layers

Photo-induced alignment of ferroelectric liquid crystals (FLCs) based on photochemical stable azo-dye films was studied. The alignment quality of FLC display depends mainly on an asymmetric boundary structure and preparation of photo-aligning/planar layers. The photo-aligned FLC display was optimize...

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Bibliographic Details
Published in:Displays Vol. 25; no. 1; pp. 21 - 29
Main Authors: Huang, D.D, Pozhidaev, E.P, Chigrinov, V.G, Cheung, H.L, Ho, Y.L, Kwok, H.S
Format: Journal Article
Language:English
Published: Elsevier B.V 01-05-2004
Subjects:
Bistable switching
Ferroelectric liquid crystals
Multiplex operation
Photo-alignment
Multiplex operation
Ferroelectric liquid crystals
Photo-alignment
Bistable switching
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Summary:Photo-induced alignment of ferroelectric liquid crystals (FLCs) based on photochemical stable azo-dye films was studied. The alignment quality of FLC display depends mainly on an asymmetric boundary structure and preparation of photo-aligning/planar layers. The photo-aligned FLC display was optimized to obtain both a steadiness of multiplex operation and a high contrast ratio. A prototype of passively addressed 64×64 FLC display based on the photo-alignment technique has been developed with perfect bistable switching in the multiplex driving regime.
ISSN:0141-9382
1872-7387
DOI:10.1016/j.displa.2004.04.003