Samsung Display Co., Ltd.

Byung-Ki Jeon

Jong-Woung Park

Zhi-Feng Zhan

A touch screen display device includes; a touch screen display panel including; first sensing lines which extend in a first direction, second sensing lines which extend in a second direction, and a plurality of touch sensors located at a plurality of sensing positions, each of which provides touch data or untouch data, a readout unit which reads the touch data or the untouch data and outputs the read data as sensing data corresponding to each of the sensing positions, and a sensing unit which groups the sensing positions into at least one pre-touch areas using the sensing data and which recognizes at least one touch positions using the pre-touch areas, wherein when first and third sensing positions from among first through third sensing positions provide the touch data while the second sensing position provides the untouch data, the sensing unit recognizes the untouch data as the touch data.

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Seoul, South Korea

Byung-Ki Jeon