42‐3: Late‐News Paper: Full‐Screen Capacitive Fingerprint Sensor and Touch Sensor

We have developed a novel full screen capacitive fingerprint and touch sensor, which can scan and detect a user's fingerprint anywhere on display, using Low Temperature Poly‐silicon (LTPS) technology and Analog Front End Integrated Circuit (AFE IC) technology. This sensor can detect a fingerpri...

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Bibliographic Details
Published in:SID International Symposium Digest of technical papers 2020-08, Vol.51 (1), p.611-614
Main Authors: Uehara, Toshinori, Hayashi, Makoto, Fujisawa, Akihiko, Iuchi, Shinya, Suzuki, Yuji, Nakano, Fumihoru, Kono, Takaaki, Tsunashima, Takanori, Saito, Akihiko, Yamada, Teppei, Goto, Naoshi
Format: Article
Language:English
Subjects:
Analog circuits
Capacitive
Fingerprint sensor
Fingerprint verification
Fingerprinting
Full screen
Integrated circuits
Low temperature
LTPS
Position sensing
Sensors
Signal to noise ratio
Touch
Touch sensor
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Description
Summary:We have developed a novel full screen capacitive fingerprint and touch sensor, which can scan and detect a user's fingerprint anywhere on display, using Low Temperature Poly‐silicon (LTPS) technology and Analog Front End Integrated Circuit (AFE IC) technology. This sensor can detect a fingerprint image with good Signal to Noise Ratio (SNR) through a cover glass, and mode transition from touch sensing to fingerprint sensing, with finger position feedback, in less than 10 msec.
ISSN:0097-966X
2168-0159
DOI:10.1002/sdtp.13942