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Posted on February 13, 2020 by  & 

Thin Sensor Measures Fingerprints, Veins and Pulse Waves

Japan Display Inc has developed a thin image sensor that allows for both high-speed readout and high-resolution imaging through joint R&D with the Someya Group of the Department of Electric and Electronic Engineering, School of Engineering, University of Tokyo.
 
Integrating low-temperature polysilicon thin-film transistors with high mobility and high-sensitivity organic photodectors has enabled the creation of a single sensor that measures not only pulse wave distribution, which requires high-speed readout, but also biometric information, such as fingerprints and veins, which require high-resolution imaging. A mere 15 micrometers thick, the sensor is light weight and bendable. As for biometric authentication, it is expected that the sensor will be applied to high security authentication systems to prevent imitations and impersonations by obtaining both biometric information (fingerprints and veins) and biometric signals (pulse waves). For further information see the IDTechEx report on Printed, Organic and Flexible Electronics 2020-2030: Forecasts, Technologies, Markets.
 
 
The results of the research were published in the online version of the British science magazine Nature Electronics. The research has received JST-Mirai Program Small Start Type support from the Japan Science and Technology Agency.
 
An image sensor is a type of imaging device, a two dimensional sensor that converts light signals into electrical signals.
 
Source and top image: Japan Display Inc
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