FINGERPRINT IDENTIFICATION APPARATUS

A fingerprint identification apparatus including a light-transmitting device, an image-capture device disposed opposite to the light-transmitting device, and a collimator disposed between the light-transmitting device and the image-capture device is provided. The collimator includes a plurality of l...

Full description

Saved in:
Bibliographic Details
Main Authors Chung, Chuck, Wu, Jen-Chieh
Format Patent
LanguageEnglish
Published 28.03.2019
Subjects
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
HANDLING RECORD CARRIERS
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
Online AccessGet full text

Cover

More Information
Summary:A fingerprint identification apparatus including a light-transmitting device, an image-capture device disposed opposite to the light-transmitting device, and a collimator disposed between the light-transmitting device and the image-capture device is provided. The collimator includes a plurality of light-shielding layers and a plurality of light-transmitting layers that are alternately stacked. Each of the light-shielding layers has a plurality of openings respectively corresponding to a plurality of pixel regions of the image-capture device. Openings of the plurality of light-shielding layers corresponding to one pixel region are arranged along an oblique direction. The oblique direction and a normal direction of a pressing surface of the light-transmitting device have an included angle θ, and 0°<θ<90°.
Bibliography:Application Number: US201816200656