Optical fingerprint sensor
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United States of America Patent
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Jan 9, 2018
Issued Date -
N/A
app pub date -
Sep 17, 2014
filing date -
Sep 17, 2013
priority date (Note) -
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Abstract
The present invention relates to an optical fingerprint sensor which can comprise: a backlight unit for irradiating light; an uneven surface layer onto which the light from the backlight unit is irradiated; and a photosensor unit arranged between the backlight unit and the uneven surface layer so as to detect the light irradiated from the backlight unit and reflected from a user's fingerprint coming into contact with the uneven surface layer.
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