Biometric imaging device comprising color filters and method of imaging using the biometric imaging device

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United States of America

PATENT NO 11941909
APP PUB NO 20230410550A1
SERIAL NO

18249263

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Abstract

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A display arrangement comprising an optical biometric imaging device for imaging a biometric object comprising: an image sensor comprising a plurality of photodetector pixels; a lens arrangement comprising at least one lens configured to focus light reflected by a biometric object onto the image sensor; an aperture layer arranged between the object to be imaged and the image sensor, wherein the aperture layer comprises an aperture configured to limit the amount of light reaching the image sensor; and a filter element arranged in the aperture and configured to block light within a first wavelength range, wherein an area of the filter element is smaller than an area of the aperture so that a portion of light within the first wavelength range reaching the aperture layer pass through the aperture.

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Patent Owner(s)

  • FINGERPRINT CARDS ANACATUM IP AB

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hammar, Arvid Gothenburg, SE 4 0
Martinsson, Hans Gothenburg, SE 16 94

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