{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8502841","patent":{"patent_number":"US-8502841","title":"Image display apparatus and method for controlling image display apparatus","assignee":null,"inventors":[],"filing_date":"2011-02-11T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G"],"num_claims":15,"abstract":"An image display apparatus of the present invention includes: a display panel; a storage unit that stores a plurality of correction values which are used for correction processing for decreasing brightness variation; a correction unit; and a control unit, wherein the control unit divides the display panel into a plurality of sub-areas, calculates, for each sub-area, a select block gradation value, and executes, for each sub-area, a control to read correction values, which are used for calculating a correction value corresponding to the select block gradation value, out of the plurality of correction values, using the correction unit, and the correction unit calculates, for each sub-area, a correction value corresponding to the select block gradation value using the read correction values, and converts gradation values of video signals in the sub-area using the calculated correction value."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image display apparatus and method for controlling image display apparatus","description":"An image display apparatus of the present invention includes: a display panel; a storage unit that stores a plurality of correction values which are used for correction processing for decreasing brigh","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8502841","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-8502841","citation_suggestion":"Patentable. \"Image display apparatus and method for controlling image display apparatus\" (US-8502841). https://patentable.app/patents/US-8502841","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8502841","json":"https://patentable.app/api/llm-context/US-8502841","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T12:19:06.145Z"}