Cantor Colburn, LLP
Display device including touch panel device, and coupling-noise eliminating method
A display device includes; a touch panel device including; a touch panel and a touch controller connected to the touch panel, the touch controller including; a sampling unit which samples a sensing output signal input thereto from the touch panel to generate a sampled signal, and an analog/digital converter which converts the sampled signal to generate contact information, and a display panel device including; a display panel, a gate driver which applies a gate signal to the display panel, and a data driver which applies a data voltage to the display panel, wherein the sampling unit samples a portion of the sensing output signal which does not include a coupling noise.
SAMSUNG DISPLAY CO., LTD.
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Bo-Ram Nam-Hee Byoung-Jun Myoung-Chul Yun-Jae
Kim Goo Lee Kim Kim