Photoplethysmography (PPG) sensors are used to accurately, instantaneously, and
noninvasively measure vital signs to provide a real-time indication of overall physical health …

Light-to-digital converters (LDCs) are essential components in photoplethysmography (PPG)
readout chains. Over the past decade, PPG sensors have gathered increased interest due to …

In the Fourth Industrial Revolution, as the connection between objects and people becomes
increasingly important, interest in wearable optoelectronic device-based medical diagnosis …

A low-power and low-noise photoplethysmography (PPG) readout for a flexible circular
organic light emitting diode (OLED)-organic photodiode (OPD) patch to estimate blood …

This paper presents an innovative ultra-low power photoplethysmography (PPG) readout
circuit designed for driving red (R) and infrared (IR) LEDs and extracting a PPG signal with …

Organic electronics (OE) technology has matured in displays and is advancing in solid-state
lighting applications. Other promising and growing uses of this technology are in (bio) …

Photoplethysmography (PPG) has emerged as a highly convenient and non-invasive
technique for assessing heart rate and its variability in wearable health monitoring devices …

Photoplethysmography (PPG) sensors provide accurate measurements of vital signs,
including heart rate (HR), HR variability (HRV), and oxygen saturation (SpO 2). PPG signal …

Optical biosensors such as photoplethysmography (PPG), pulse oximetry, and near-infrared
spectroscopy (NIRS) are critical health monitoring tools, providing critical insights into …

Photoplethysmogram (PPG) is widely used in wearable devices for health monitoring. High-
precision signals are essential for medical diagnostics. However, motion artifacts in these …