FINGERPRINT SENSOR, FINGERPRINT SENSOR PACKAGE, AND FINGERPRINT SENSING SYSTEM USING LIGHT SOURCES OF DISPLAY PANEL
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United States of America Patent
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Jun 30, 2017
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Jul 6, 2016
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Abstract
At least some example embodiments provide a fingerprint sensor, a fingerprint sensor package, and a fingerprint sensing system using light sources of a display panel. The fingerprint sensor includes an image sensor including a plurality of sensor pixels, the sensor pixels configured to sense light reflected by a fingerprint and generate image information corresponding to the fingerprint and a pinhole mask defining a plurality of pinholes, wherein each of the pinholes forms a focus for transmitting the light reflected by the fingerprint to the image sensor, wherein light is emitted from a plurality of organic light-emitting diodes (OLEDs) and is reflected by the fingerprint.
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