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P‐4: Feasibility Study of a Dual‐gate Photosensitive Thin‐Film Transistor for Fingerprint Sensor Integrated Active‐Matrix Display
Author(s) -
Jeong Hyungsu,
Won Minho,
Shi Weijing,
Weldon Jeffery A.,
Li Xin,
Wang Kai
Publication year - 2015
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.10029
Subject(s) - thin film transistor , active matrix , fingerprint (computing) , transistor , materials science , optoelectronics , fingerprint recognition , pixel , dual function , dual (grammatical number) , active layer , layer (electronics) , image sensor , matrix (chemical analysis) , computer science , electrical engineering , nanotechnology , artificial intelligence , engineering , computer graphics (images) , voltage , art , literature , contouring , composite material
By placing a transparent conductive ITO layer atop a display driver thin‐film transistor (TFT), a dual‐gate photosensitive TFT is formed to integrate a fingerprint sensing function in a display pixel. An analytical model is proposed to elaborate its working principles in achieving both fingerprint imaging and display driving functions.