A mixed-coordination electron trapping-enabled high-precision touch-sensitive screen for wearable devices

X Zhang, J Ma, H Deng, J Zhong, K Xu, Q Wu… - Bio-Design and …, 2024 - Springer
Touch-sensitive screens are crucial components of wearable devices. Materials such as
reduced graphene oxide (rGO), carbon nanotubes (CNTs), and graphene offer promising …

A low-computing-complexity touch signal detection method and analog front-end circuits based on cross-correlation technology for large-size touch panel

X Guo, H Li, Y Chen, W Sun - Sensors, 2022 - mdpi.com
This paper proposes a low-computing-complexity touch signal detection method and analog
front-end (AFE) circuits based on cross-correlation technology for large mutual capacitance …

A 14-bit 5MS/s SAR ADC with digital calibration algorithm for OLED display touch system

S Wu, X Guo, H Li, T Xia - Microelectronics Journal, 2022 - Elsevier
In this article, we propose a 14-bit successive approximation register (SAR) analog-to-digital
converter (ADC) based on digital calibration algorithm for large-size organic light-emitting …

A 3.58 nJ/Node Dual Cross Correlation Analog-Front-End Circuit With ADC for Mutual Capacitive Panel

X Guo, H Li, Y Chen - IEEE Journal of Solid-State Circuits, 2023 - ieeexplore.ieee.org
This article presents a dual cross correlation analog-front-end (DCC-AFE) circuit for a mutual
capacitive panel. The DCC-AFE circuit solves the problem of reduced recognition ability …

A context-aware readout system for sparse touch sensing array using ultra-low-power always-on event detection

H Roh, WS Choi - IEEE Transactions on Circuits and Systems II …, 2023 - ieeexplore.ieee.org
Increasing demand for larger touch screen panels (TSPs) places more energy burden to
mobile systems with conventional sensing methods. To mitigate this problem, taking …