| Autor: |
Cho, An-Thung, Liu, Zhen, Liu, Kai-jun, Yang, Feng-yun, Mo, Qiong-hua, Hsu, James, Chen, Wade, Lu, York |
| Předmět: |
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| Zdroj: |
SID Symposium Digest of Technical Papers; Sep2019 Supplement S1, Vol. 50, p613-616, 4p |
| Abstrakt: |
Fingerprint recognition is becoming a familiar technology. To further foster its use, it is important to make thinner sensors, adequate for embedding in various devices including display devices. An Optical type fingerprint scanning/touch‐input flat panel is designed. The driving system is based on the passive pixel sensor (PPS) array with amorphous silicon (a‐Si) TFT technology. The embedded sensing structure of the optical sensor is using the a‐Si TFT phototransistor and four‐mask process architecture technology. The pixel density is over 500 PPI and the a‐Si TFT phototransistor sensor is high reliability by using Multi‐N+ layer in the a‐Si TFT structure. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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