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37.2: A 10.4‐in. On‐Cell Touch‐Panel LCD with Correlated Noise Subtraction Method
Author(s) -
Haga Hiroshi,
Yanase Jiro,
aka Yoshihiro,
Sugimoto Daisuke,
Takatori Kenichi,
Asada Hideki
Publication year - 2012
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/j.2168-0159.2012.tb05824.x
Subject(s) - capacitive sensing , noise (video) , liquid crystal display , noise immunity , signal (programming language) , subtraction , acoustics , filter (signal processing) , computer science , materials science , optoelectronics , artificial intelligence , electrical engineering , physics , mathematics , engineering , computer vision , telecommunications , transmission (telecommunications) , arithmetic , image (mathematics) , programming language
We demonstrated a 10.4‐in on‐cell touch‐panel LCD using an ITO layer formed on a color filter substrate as a capacitive sensor. To enhance noise immunity for larger capacitive sensors, we developed a correlated noise subtraction method, which improves the signal‐to‐noise ratio even under an environment where noise frequency coincides with signal frequency.