{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11257442","patent":{"patent_number":"US-11257442","title":"Control circuit, light source driving device and display apparatus","assignee":null,"inventors":[],"filing_date":"2019-01-04T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G","G09G","G09G","G09G","G09G"],"num_claims":17,"abstract":"The present disclosure provides a control circuit, a light source driving device and a display apparatus. The control circuit comprises a current source circuit configured to generate a current signal having a magnitude positively correlated with a temperature of a region where the control circuit is located; a conversion circuit coupled to the current source circuit and configured to convert the current signal generated by the current source circuit into a voltage signal; and a first comparison circuit coupled to the conversion circuit and configured to output a control signal for controlling brightness of a light source according to the voltage signal received from the conversion circuit, a magnitude of the control signal being negatively correlated with the temperature of the region where the control circuit is located, and the brightness of the light source being positively correlated with the magnitude of the control signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Control circuit, light source driving device and display apparatus","description":"The present disclosure provides a control circuit, a light source driving device and a display apparatus. The control circuit comprises a current source circuit configured to generate a current signal","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11257442","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-11257442","citation_suggestion":"Patentable. \"Control circuit, light source driving device and display apparatus\" (US-11257442). https://patentable.app/patents/US-11257442","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11257442","json":"https://patentable.app/api/llm-context/US-11257442","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T22:11:32.417Z"}