DISPLAY DEVICE AND DRIVING METHOD THEREOF

PROBLEM TO BE SOLVED: To provide a display device capable of accurately detecting a contact point coordinate of a touch screen a user touched, and a driving method thereof. SOLUTION: The display device comprises a touch screen panel including a plurality of vertical-axis sensors and a plurality of h...

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Bibliographic Details
Main Authors KIM TAE-WOO, PARK JONG-WOUNG
Format Patent
LanguageEnglish
Published 26.07.2007
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
PHYSICS
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Summary:PROBLEM TO BE SOLVED: To provide a display device capable of accurately detecting a contact point coordinate of a touch screen a user touched, and a driving method thereof. SOLUTION: The display device comprises a touch screen panel including a plurality of vertical-axis sensors and a plurality of horizontal-axis sensors, and a controller for receiving sensor data from the sensors in a frame unit, and outputting coordinates of a contact point of the touch screen panel. The controller includes a plurality of frame memories for storing the sensor data in a frame unit, a first calculation part for adding the sensor data in the frame memories to output an added value of the sensor data, a plurality of buffer memories for storing the added value of the sensor data, and a detecting part for detecting the coordinates of the contact point using the values in the buffer memories. COPYRIGHT: (C)2007,JPO&INPIT
Bibliography:Application Number: JP20060334747