Alternating panel charge sharing technique for touch screen panel self‐capacitance sensing IC | Zendy

Seong S. | Zendy; Lee S. | Zendy; Bae S. | Zendy; Lee M. | Zendy

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Alternating panel charge sharing technique for touch screen panel self‐capacitance sensing IC

Author(s) -

Seong S.,

Lee S.,

Bae S.,

Lee M.

Publication year - 2020

Publication title -

electronics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.375

H-Index - 146

ISSN - 1350-911X

DOI - 10.1049/el.2020.1425

Subject(s) - capacitance , charge sharing , materials science , noise (video) , signal to noise ratio (imaging) , charge (physics) , optoelectronics , electrical engineering , signal (programming language) , electronic engineering , acoustics , computer science , telecommunications , engineering , physics , electrode , voltage , quantum mechanics , artificial intelligence , image (mathematics) , programming language

This Letter presents a self‐capacitance sensing (SCS) technique for touch screen panel with the alternating panel charge sharing (APCS) that effectively suppresses low‐frequency noise and achieves a better signal‐to‐noise ratio (SNR). With the proposed APCS‐based SCS, SNR is improved in measurement by 7.65 dB compared to the conventional panel charge sharing‐based SCS.

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