CAPACITIVE TYPE TOUCH INPUT DEVICE WITH COMPENSATION CIRCUIT FOR STRAY CAPACITANCE

The present invention relates to a touch chip comprising a touch input detecting circuit and a compensation circuit, wherein an input terminal of the touch input detecting circuit and an output terminal of the compensation circuit are connected together to a touch input sensing electrode, and a dire...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, KWANG SOO, KIM, BOK MAN, SO, BYEONG CHECL, JANG, SEON WOONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	The present invention relates to a touch chip comprising a touch input detecting circuit and a compensation circuit, wherein an input terminal of the touch input detecting circuit and an output terminal of the compensation circuit are connected together to a touch input sensing electrode, and a direction of a first current flowing through the input terminal of the touch input detecting circuit and a direction of a second current flowing through the output terminal of the compensation circuit are changed in synchronization with each other. 본 발명에 따른 터치 칩은, 터치입력 검출회로 및 보상회로를 포함하며, 상기 터치입력 검출회로의 입력단자 및 상기 보상회로의 출력단자는 터치입력 감지전극에 함께 연결되어 있고, 상기 터치입력 검출회로의 입력단자를 통해 흐르는 제1 전류의 방향전환과 상기 보상회로의 출력단자를 통해 흐르는 제2 전류의 방향전환은 서로 동기화되어 이루어진다.