Touch-Sensitive Active-Matrix Display with Liquid-Crystal Capacitance Detector Arrays

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概要

• 論文の詳細を見る

• We present two types of touch in-cell technology for active-matrix liquid crystal displays (AMLCDs) with liquid-crystal capacitance detector arrays embedded in a hydrogenated amorphous silicon (a-Si:H)-based backplane. The scanning method can determine and provide multiple simultaneous touch locations on the basis of the information extracted from each sensing element. On the other hand, the crossing method provides the position information from the coordinate information such that the system complexity and power consumption are expected to be considerably reduced. In both cases, by limiting the operation of sensors to the subthreshold region, we expect that the degradation of a-Si:H thin-film transistors (TFTs) will be suppressed and reliability will be ensured. Their relatively simple architecture enables the proposed touch-panel function to be readily integrated within large-area displays.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2010-03-25

著者

• Han Min-koo

  School Of Electrical Eng. & Computer Science #50 Seoul National University

• Park Hyun-Sang

  School of Electrical Engineering and Computer Science, Seoul National University, 599 Gwanak-ro, Sinlim-dong, Gwanak-gu, Seoul 151-742, Korea

• Hyun-Sang Park

  School of Electrical Engineering and Computer Science, Seoul National University, 599 Gwanak-ro, Sinlim-dong, Gwanak-gu, Seoul 151-742, Korea

• Yong-Jin Kim

  School of Electrical Engineering and Computer Science, Seoul National University, 599 Gwanak-ro, Sinlim-dong, Gwanak-gu, Seoul 151-742, Korea

• Kim Yong-Jin

  School of Electrical Engineering and Computer Science, Seoul National University, 599 Gwanak-ro, Sinlim-dong, Gwanak-gu, Seoul 151-742, Korea

• Han Min-Koo

  School of Electrical al Engineering and Computer Science #50, Seoul National University, Seoul 151-742, Korea

• Min-Koo Han

  School of Electrical Engineering and Computer Science, Seoul National University, 599 Gwanak-ro, Sinlim-dong, Gwanak-gu, Seoul 151-742, Korea

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