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Opt Express. 2011 Apr 25;19(9):8085-91. doi: 10.1364/OE.19.008085.

High performance transflective liquid crystal display associated with fringe-field switching device.

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Department of BIN Fusion Technology, Chonbuk National University, Jeonju, Jeonbuk, Korea.


The outdoor readability of the most popular portable liquid crystal display (LCDs) viz. fringe field switching has been addressed both in single and dual cell gap transflective devices. The devices use dual orientation, such as, homogeneous alignment in transmissive (T) part and 64° twisted alignment in reflective (R) part. The dark states of the proposed devices are achieved by controlling phase retardation in T part and polarization rotation in R part and the white state is realized by rotating optic axis of liquid crystal and removing phase retardation in T and R parts, respectively. The devices show high light efficiency without requiring any optical compensation films, exhibiting strong potential for portable display applications.

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