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Design and Wrinkling Behavior of a Contact Lens With an Integrated Liquid Crystal Light Modulator

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5 Author(s)
De Smet, J. ; Dept. of Electron. & Inf. Syst., Ghent Univ., Ghent, Belgium ; Avci, A. ; Beernaert, R. ; Cuypers, D.
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A new design of a spherically molded liquid crystal cell intended for embedding in a contact lens is proposed. Wrinkle formation in these cells was investigated and a correlation was found between the total thickness of the cell and its smoothness. Smooth cells with minimal thickness were obtained by using an asymmetric configuration with a thin layer at the convex side and a thicker but threshold dependent layer at the concave side. Active liquid crystal cells filled with a guest-host liquid crystal mixture exhibited uniform light modulation along their surface, paving the way towards a modulation-based contact lens display.

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Display Technology, Journal of  (Volume:8 ,  Issue: 5 )