{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9659519","patent":{"patent_number":"US-9659519","title":"Video-display control device for correcting a video signal and controlling a backlight","assignee":null,"inventors":[],"filing_date":"2015-08-19T00:00:00.000Z","publication_date":"2017-05-23T00:00:00.000Z","cpc_codes":["G09G","G02F","G02F","G09G","H04N","H04N","G02F","G09G","G09G","G09G","G09G","G09G","G09G","H04N"],"num_claims":4,"abstract":"In a video display control device, a control data generating section allocates a part of a dynamic range of a high gradation region of a video signal to a low gradation region, and a backlight controlling section controls a light emission luminance of a backlight so as to cancel an increase or decrease of a mean luminance of a video displayed on a screen in accordance with an increase or decrease of the mean luminance of a video signal after correction with respect to a mean luminance of the video signal."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Video-display control device for correcting a video signal and controlling a backlight","description":"In a video display control device, a control data generating section allocates a part of a dynamic range of a high gradation region of a video signal to a low gradation region, and a backlight control","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9659519","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-9659519","citation_suggestion":"Patentable. \"Video-display control device for correcting a video signal and controlling a backlight\" (US-9659519). https://patentable.app/patents/US-9659519","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9659519","json":"https://patentable.app/api/llm-context/US-9659519","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T13:38:34.321Z"}