{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-10509939","patent":{"patent_number":"US-10509939","title":"Optical signal modulation circuit and modulation method thereof, array substrate, display substrate and display device","assignee":null,"inventors":[],"filing_date":"2017-08-17T00:00:00.000Z","publication_date":"2019-12-17T00:00:00.000Z","cpc_codes":["G06V","G06V","G09G","G09G","G09G","G09G","G09G"],"num_claims":19,"abstract":"An optical signal modulation circuit is configured to provide an optical signal for a fingerprint recognition process. The optical signal modulation circuit includes a first modulation unit and a first control unit. The first modulation unit has a control terminal connected to a signal output terminal of a first control unit, a signal input terminal connected to a first modulation signal terminal, and a signal output terminal connected to a light emitting element."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical signal modulation circuit and modulation method thereof, array substrate, display substrate and display device","description":"An optical signal modulation circuit is configured to provide an optical signal for a fingerprint recognition process. The optical signal modulation circuit includes a first modulation unit and a firs","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-10509939","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-10509939","citation_suggestion":"Patentable. \"Optical signal modulation circuit and modulation method thereof, array substrate, display substrate and display device\" (US-10509939). https://patentable.app/patents/US-10509939","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-10509939","json":"https://patentable.app/api/llm-context/US-10509939","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:56:36.615Z"}