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US 10,763,296 B2Granted
Biometric sensor and methods thereof
AssigneeTaiwan Semiconductor Manufacturing Company, Ltd.
InventorsChin-Min Lin, Cheng San Chou
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Abstract
A sensing apparatus is disclosed. The sensing apparatus includes an image sensor; a collimator above the image sensor, the collimator having an array of apertures; an optical filtering layer between the collimator and the image sensor, wherein the optical filtering layer is configured to filter a portion of light transmitted through the array of apertures; and an illumination layer above the collimator.
Claims20
A sensing apparatus, comprising:
- an image sensor;
- a collimator above the image sensor, the collimator having an array of apertures;
- an optical filtering layer between the collimator and the image sensor, wherein the optical filtering layer is configured to filter a portion of light transmitted through the array of apertures;
- and
- an illumination layer above the collimator, wherein the illumination layer includes a plurality of light emitting pixels, wherein a portion of the plurality of light emitting pixels is configured to illuminate an object placed above the illumination layer.
2 more elements
A device, comprising:
- a touch display panel, wherein the touch display panel includes a plurality of light emitting diodes;
- a light conditioning layer under the touch display panel, wherein the light conditioning layer includes a collimator, an infrared light filter, and an anti-reflection film;
- and
- an image sensing layer under the light conditioning layer, wherein the image sensing layer is configured to sense light emitted from the touch display panel.
1 more element
A sensing apparatus, comprising:
- an image sensing layer, wherein the image sensing layer includes a plurality of optical sensing elements;
- an optical filtering film above the image sensing layer;
- a collimator above the optical filtering film, wherein the collimator includes a plurality of apertures;
- a blocking layer above the collimator, wherein the blocking layer includes a plurality of openings;
- and
- an illumination layer above the blocking layer, wherein the illumination layer includes a plurality of light emitting pixels.
3 more elements
Dependencies are inferred from the claim text.