Associate Professor Tomoyuki Yokota and Professor Takao Someya of the University of Tokyo have succeeded in developing a sheet-type image sensor that achieves both high spatial resolution and high-speed readout in collaboration with Japan Display Co., Ltd.Simultaneous measurement of biometrics and vital signs can be expected to prevent "spoofing" and patient mix-ups.
Self-care and home medical care, in which patients and their families are responsible for their own health, are considered to be one of the clues to solve the problems of the super-aging society. Totals are appearing one after another.On the other hand, when designing a new insurance system or a system with incentives that utilize biometric information from wearable sensors, identity verification of home measurement data becomes a problem.In the case of hospitals and welfare facilities, there is also the risk of patient mix-ups.Therefore, it is an urgent task to measure vital signs at the same time as biometric authentication of the user.
This time, the research group has succeeded in producing a sheet-type image sensor on a polymer substrate that is capable of high-resolution imaging and high-speed readout for detecting pulse waves.This makes it possible to image fingerprints and veins used for biometric authentication with high resolution.Furthermore, using the same image sensor, it is possible to measure the pulse wave, which is one of the vital signs, and its distribution.
The developed sheet-type image sensor is thin, lightweight, and flexible, and can be easily incorporated into devices and attached to curved surfaces.By applying it to wearable devices, it will be possible to measure the health condition at the same time as biometric authentication of the user, so in the future it will be possible to prevent "spoofing" in self-care and prevent misunderstanding of patients in hospitals. Be expected.
Paper information:[Nature Electronics] A conformable imager for biometric authentication and vital sign measurement
