Strategies for Improving Optical Performance of LCD In-Cell Fingerprint Identification

Jin Sen Yong, Wei Yu Wang, Cheng Huan Chen, Yao Chung Chang, Chih Chang Lai, Ching Chun Lin*

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations


Two strategies to modify the current in-cell LCD fingerprint device with two hole layers structure have been proposed and verified with ray tracing simulation to be effective for improving contrast, dynamic range and minimum intensity simultaneously.

Original languageEnglish
Pages (from-to)1397-1400
Number of pages4
JournalDigest of Technical Papers - SID International Symposium
Issue number1
StatePublished - 2022
Event59th International Symposium, Seminar and Exhibition, Display Week 2022 - San Jose, United States
Duration: 8 May 202213 May 2022


  • Fingerprint identification device
  • LCD
  • Mobility phone


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