{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11978819","patent":{"patent_number":"US-11978819","title":"Optical sensing device","assignee":null,"inventors":[],"filing_date":"2021-04-07T00:00:00.000Z","publication_date":"2024-05-07T00:00:00.000Z","cpc_codes":["G01S","G01S","G01S","G01S"],"num_claims":20,"abstract":"An optical sensing device can include: a semiconductor having a photosensitive region; an optical structure located above the photosensitive region; and where the optical structure comprises alternately stacked light-filtering layers and light-transmitting layers, in order to block large-angle incident light from entering the photosensitive region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical sensing device","description":"An optical sensing device can include: a semiconductor having a photosensitive region; an optical structure located above the photosensitive region; and where the optical structure comprises alternate","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11978819","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-11978819","citation_suggestion":"Patentable. \"Optical sensing device\" (US-11978819). https://patentable.app/patents/US-11978819","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11978819","json":"https://patentable.app/api/llm-context/US-11978819","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T14:42:08.834Z"}