A full screen biometric identification approach for oled displays by using near-infrared oled

Chi Hao Lin, Karim S. Karim, Ya Hsiang Tai

研究成果: Conference article同行評審

1 引文 斯高帕斯(Scopus)

摘要

In this paper, we propose a full screen biometric identification approach for organic light emitting diode (OLED) displays using a near infra-red(NIR) OLED coupled to a large area thin film transistor (TFT) pixel sensing circuit. Preliminary estimates for photons propagating from the NIR OLED source and reflecting back to the subpixel are presented. Although the signal landing on the subpixel is small, it may be amplified by the large area active pixel sensor circuits integrated in the TFT layer. The proposed approach has the key advantage of compatibility with existing large area fabrication processes. Although there are still some open technical issues such as NIR OLED lifetime, responsivity and sensor characteristics, the proposed approach demonstrates the potential to implement a full screen biometric identification within a large area display.

原文English
頁(從 - 到)1855-1858
頁數4
期刊Digest of Technical Papers - SID International Symposium
51
發行號1
DOIs
出版狀態Published - 2020
事件57th SID International Symposium, Seminar and Exhibition, Display Week, 2020 - Virtual, Online
持續時間: 3 8月 20207 8月 2020

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