{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9642199","patent":{"patent_number":"US-9642199","title":"LED driver circuit and electronic device","assignee":null,"inventors":[],"filing_date":"2015-05-21T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["H02M","H02M"],"num_claims":17,"abstract":"The present disclosure provides a light-emitting diode (LED) driver circuit and an electronic device. The LED driver circuit includes a rectifier-filter circuit configured to convert an alternating voltage into a direct voltage; a valley-filling circuit connected to the rectifier-filter circuit and configured to adjust a current waveform from the rectifier-filter circuit; a ringing choke converter (RCC) circuit connected to the valley-filling circuit and configured to control a direct current (DC) output; and a DC output unit connected to the RCC circuit and configured to rectify and filter an output signal from the RCC circuit so as to drive an LED load."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"LED driver circuit and electronic device","description":"The present disclosure provides a light-emitting diode (LED) driver circuit and an electronic device. The LED driver circuit includes a rectifier-filter circuit configured to convert an alternating vo","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9642199","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-9642199","citation_suggestion":"Patentable. \"LED driver circuit and electronic device\" (US-9642199). https://patentable.app/patents/US-9642199","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9642199","json":"https://patentable.app/api/llm-context/US-9642199","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T16:52:48.544Z"}