A hidden fingerprint device on an opaque display panel

Jhe Syuan Lin; Wen Shing Sun

doi:10.3390/app10062188

A hidden fingerprint device on an opaque display panel

Jhe Syuan Lin, Wen Shing Sun

Department of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

2 Scopus citations

Abstract

In recent years, fingerprint recognition has become more and more widely used in mobile phones. A fingerprint recognition device hidden under an opaque display panel designed based on a waveguide and frustrated total internal reflection (FTIR) is proposed and demonstrated herein. In order to meet the demand for a high screen ratio for mobile phone displays, we use a symmetrical zoom-in and zoom-out coupler design. With this comprehensive coupler and waveguide design, not only can fingerprint recognition be achieved using an opaque display panel, but it also meets the appearance requirements for a mobile phone with a high screen ratio.

Original language	English
Article number	2188
Journal	Applied Sciences (Switzerland)
Volume	10
Issue number	6
DOIs	https://doi.org/10.3390/app10062188
State	Published - 1 Mar 2020

Keywords

Fingerprint recognition
Opaque display panel
Optical waveguide

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10.3390/app10062188

Design of Large Diameter Projector Lens for Dlp Four Million Pixel and Discussion on Temperature and Relative Illumination
Sun, W.-H. (PI)
1/08/19 → 31/07/20
Project: Research

Cite this

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title = "A hidden fingerprint device on an opaque display panel",

abstract = "In recent years, fingerprint recognition has become more and more widely used in mobile phones. A fingerprint recognition device hidden under an opaque display panel designed based on a waveguide and frustrated total internal reflection (FTIR) is proposed and demonstrated herein. In order to meet the demand for a high screen ratio for mobile phone displays, we use a symmetrical zoom-in and zoom-out coupler design. With this comprehensive coupler and waveguide design, not only can fingerprint recognition be achieved using an opaque display panel, but it also meets the appearance requirements for a mobile phone with a high screen ratio.",

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AB - In recent years, fingerprint recognition has become more and more widely used in mobile phones. A fingerprint recognition device hidden under an opaque display panel designed based on a waveguide and frustrated total internal reflection (FTIR) is proposed and demonstrated herein. In order to meet the demand for a high screen ratio for mobile phone displays, we use a symmetrical zoom-in and zoom-out coupler design. With this comprehensive coupler and waveguide design, not only can fingerprint recognition be achieved using an opaque display panel, but it also meets the appearance requirements for a mobile phone with a high screen ratio.

KW - Fingerprint recognition

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A hidden fingerprint device on an opaque display panel

Abstract

Keywords

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Projects

Design of Large Diameter Projector Lens for Dlp Four Million Pixel and Discussion on Temperature and Relative Illumination

Cite this