Premium
39‐2: Highly Sensitive a‐Si:H PIN Photodiode Gated LTPS TFT for Optical In‐Display Fingerprint Identification
Author(s) -
Zhou Xianda,
Zhang Meng,
Xu Yitong,
Zhou Wei,
Wang Kai,
Nathan Arokia,
Wong Man,
Kwok Hoi Sing,
Ou Hai,
Chen Jun,
Deng Shaozhi,
Xu Ningsheng
Publication year - 2018
Publication title -
sid symposium digest of technical papers
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.351
H-Index - 44
eISSN - 2168-0159
pISSN - 0097-966X
DOI - 10.1002/sdtp.12608
Subject(s) - thin film transistor , photodiode , fingerprint (computing) , optoelectronics , materials science , fingerprint recognition , photoconductivity , transistor , identification (biology) , computer science , electrical engineering , engineering , nanotechnology , artificial intelligence , layer (electronics) , botany , voltage , biology
A hybrid optical sensor that is merged with the display driving, low‐temperature polysilicon thin‐film transistor (TFT) is reported. The sensor achieves a fill factor >70% and a photoconductive gain > 10 3 %, which provides a promising solution for in‐display fingerprint identification.