Samsung Electronics Co., Ltd.

Jin-Bong Kim

Yoon-Kyung Choi

Young-Joo Lee

Jong-Oh Lee

Steve J Kim

Min-Sung Kim

Hwi-Taek Chung

Chang-Ju Lee

Se-won Seo

Heon Jekal

Eung-Man Kim

Bum-Soo Kim

Yoon Kyung Choi

San-ho Byun

Do-Kyung Kim

Cha-Dong Kim

Provided are a touch processor for performing active protection, a touch display driver integrated circuit (DDI) chip including the touch processor, and a method of operating the touch processor. The touch processor for driving a touch panel including a sensing cell includes a driving circuit configured to provide a driving signal to the touch panel, and a capacitance controller. The capacitance controller is configured to generate a switch control signal for controlling a switch connected to a sensing unit included in the sensing cell, and a compensation signal having a different waveform than the driving signal, so as to reduce a value of an ambient capacitance component of the sensing cell.

Touch processor, touch display driver integrated circuit chip including touch processor, and method of operating touch processor

A touch sensing apparatus includes a plurality of touch sensors provided in a touch panel and a switching unit for transmitting sensing signals per column or row of the touch sensors through a single line to a touch controller.

Touch sensing apparatus, touch sensing method, touch sensing system, and display system using the same

A touch screen panel is provided. The touch screen panel includes: a sensing area comprising a plurality of first electrodes arranged in a matrix form in first and second directions of a substrate and a plurality of second electrodes extending in the first direction, the plurality of second electrodes being arranged alternately with the plurality of first electrodes in the second direction; a channel wiring area including a plurality of channel wires configured to transmit signals of the plurality of first electrodes and signals of the plurality of second electrodes, the channel wiring area being disposed around the sensing area; and an electrode wiring area comprising a plurality of electrode wires connecting the plurality of first electrodes and the plurality of second electrodes to the plurality of channel wires, the electrode wiring area being in the sensing area, wherein at least two electrodes, from among the first electrodes, that are disposed in a same column are connected to different channel wires.

Touch screen panel, touch sensing controller, and touch sensing system including the same

A touch sensing device includes a touch screen panel including a touch sensor configured to generate a first electrical change corresponding to a touch and a touch controller configured to detect touch position data with respect to an area on the touch screen panel associated with the touch, based on the first electrical change or the touch sensor.

Touch controller including a plurality of detectors to detect electrical change, electronic device and display device including touch controller, and touch sensing method

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Yongin-si, South Korea

Jin-Bong Kim