Yuan-Chun Tsai

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Wireless local area networks (WLANs) have been globally deployed for years. Today, most WLANs adopt IEEE 802.11 distributed coordination function (DCF) for stations to share the medium. IEEE 802.11 DCF employs contention-based channel access, and as generally known, collision will happen when multiple stations launch transmissions simultaneously. However,(More)
We demonstrated a low voltage polymer-stabilized blue phase liquid crystal (BPLC) by red-shifting the Bragg reflection to the visible region. To retain high contrast ratio, the BPLC is sandwiched between two crossed circular polarizers. The driving voltage is reduced by 35% compared to that of a transparent BPLC, while keeping submillisecond response time.(More)
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