US Patent 11068684 Fingerprint authentication sensor module and fingerprint authentication device

To provide a fingerprint authentication sensor module having a simple configuration, high resolution, and a high authentication rate. A fingerprint authentication device includes a cover glass on which a finger is to be placed and a fingerprint authentication sensor module placed under the cover glass. The fingerprint authentication sensor module includes an image forming unit, a first glass portion placed under the image forming unit, and an image sensor placed under the first glass portion. The image forming unit includes an array of a plurality of microlenses and light-shielding portions that surround each of the plurality of microlenses and that limit light entering the array of the plurality of microlenses.