{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11488414","patent":{"patent_number":"US-11488414","title":"Optical fingerprint sensor with spoof detection using polarization and associated method","assignee":null,"inventors":[],"filing_date":"2021-09-08T00:00:00.000Z","publication_date":"2022-11-01T00:00:00.000Z","cpc_codes":["G06V","G06V"],"num_claims":9,"abstract":"An optical fingerprint sensor with spoof detection using polarization includes a plurality of lenses; an image sensor including a pixel array that includes a plurality of first photodiodes; a line between a center of a light-sensitive surface of each first photodiode and an optical center of each lens forms an optical axis of a plurality of optical axes; at least one apertured baffle-layer positioned between the image sensor and the plurality of lenses and each having a respective plurality of aperture stops, each aperture stop being center-aligned with the optical axis; a plurality of second photodiodes intercalated with the plurality of first photodiodes, wherein each second photodiode is configured to detect light having passed through lens and at least one aperture stop not aligned along optical axis; and at least one polarizing element positioned to polarize electromagnetic energy impinging the plurality of second photodiodes."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical fingerprint sensor with spoof detection using polarization and associated method","description":"An optical fingerprint sensor with spoof detection using polarization includes a plurality of lenses; an image sensor including a pixel array that includes a plurality of first photodiodes; a line bet","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11488414","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-11488414","citation_suggestion":"Patentable. \"Optical fingerprint sensor with spoof detection using polarization and associated method\" (US-11488414). https://patentable.app/patents/US-11488414","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11488414","json":"https://patentable.app/api/llm-context/US-11488414","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:35:33.658Z"}