Review of capacitive touchscreen technologies: Overview, research trends, and machine learning approaches

H Nam, KH Seol, J Lee, H Cho, SW Jung - Sensors, 2021 - mdpi.com
Touchscreens have been studied and developed for a long time to provide user-friendly and
intuitive interfaces on displays. This paper describes the touchscreen technologies in four …

26.2 Virtual Rotating Gesture Recognizable Touch Readout IC for 1.26” Circular Touch Screen Panel

S Ko, J Lee, J Ham, B So, D Cho, H Kim… - … Solid-State Circuits …, 2023 - ieeexplore.ieee.org
Recently, there have been many advances in user interaction systems in mobile devices. In
addition to traditional capacitive touch systems, a stylus is becoming mainstream, which is a …

A Fully Differential Direct Sampling Touch Screen Readout With a Touch Vector Calibration for Ultrathin Organic Light-Emitting Diode Display

S Seong, S Lee, S Bae, M Lee - IEEE Transactions on Industrial …, 2023 - ieeexplore.ieee.org
This article presents a touch screen panel (TSP) readout IC (ROIC) for an ultrathin organic
light-emitting diode (OLED) display, where display noise injection is severely increased. We …

A readout IC for capacitive touch screen panels with 33.9 dB charge-overflow reduction using amplitude-modulated multi-frequency excitation

JS An, JH Ra, E Kang, MAP Pertijs… - IEEE Journal of Solid …, 2021 - ieeexplore.ieee.org
This article presents a readout integrated circuit (ROIC) for capacitive touch-screen panels
(TSPs) employing an amplitude-modulated multiple-frequency excitation (AM-MFE) …

Sliding-windowed compensated multiplexing for nonstatic targets in tactile sensor arrays

JK Park, JT Kim - IEEE Transactions on Industrial Electronics, 2021 - ieeexplore.ieee.org
Simultaneous or concurrent multiplexing techniques with orthogonal sequences have been
used to extend the channel capacity of tactile sensor systems. Typically, dynamic sensor …

A PAPR reduction technique for fast touch sensors adopting a multiple frequency driving method on large display panels

P Kim, S Han, Y Jung, S Lee - Sensors, 2021 - mdpi.com
The multiple frequency driving method (MFDM) capacitive touch system (CTS), which drives
transmit (TX) electrodes in parallel, has been developed to improve the touch-sensitivity of …

Ultra-thin and flexible CMOS technology: ISFET-based microsystem for biomedical applications

A Vilouras - 2021 - theses.gla.ac.uk
A new paradigm of silicon technology is the ultra-thin chip (UTC) technology and the
emerging applications. Very thin integrated circuits (ICs) with through-silicon vias (TSVs) will …