Formation and localization of internal polymer columnar structures in liquid crystal cells

Wang, Qingbing; Chien, L.-C.; Kumar, Satyendra
November 2003
Applied Physics Letters;11/3/2003, Vol. 83 Issue 18, p3698
Academic Journal
Internal polymer columnar structures in liquid crystal (LC) cells have been produced using the method of thermally-induced phase separation of LC/prepolymer solution and solidified by photopolymerization. These polymer columns adhere to both substrates and enhance control of the LC cell spacing and mechanical stability. The existence and profile of the polymer columns were investigated by optical and scanning electron microscopy techniques. Supertwisted nematic LC cells with polymer columnar structures have been constructed using this method and their electro-optical characteristics measured. © 2003 American Institute of Physics.


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