Abstract
When a dielectric layer, in‐cell retarder (ICR) is formed between the electrode and LC layer to obtain a single‐gap transflective fringe‐field switching (FFS) display, the driving voltage is highly increased due to the thickness of the dielectric material. In particular, the driving voltage of the transmissive part becomes very high, and goes beyond the driver integrated circuit (IC) range for mobile application because the homogenously aligned liquid crystal director should rotate twice as far as that in the reflective part. The correlation between the driving voltage and electrode structures was investigated. It was found that the problem could be solved by optimisation of the common electrode structure such that the electrode structure changed from a plane to slit shape (in‐plane field is mainly used instead of fringe field), realising a high performance FFS transflective display.
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