{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8519991","patent":{"patent_number":"US-8519991","title":"Image display apparatus and control method thereof for controlling brightness unevenness due to resistance of column wirings","assignee":null,"inventors":[],"filing_date":"2011-09-20T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G","G09G"],"num_claims":8,"abstract":"An image display apparatus according to the present invention comprises a display panel having a plurality of row wirings, a plurality of column wirings, and a plurality of pixels, a row wiring driving circuit which sequentially selects the row wirings and outputs a scanning signal to the selected row wiring, a column wiring driving circuit which outputs a modulation signal generated based on image data to the plurality of column wirings, in synchronization with the output of the scanning signal, and a variable resistance circuit which dynamically changes resistance values between the column wiring driving circuit and the column wirings, wherein the variable resistance circuit changes the resistance values according to a position of the selected row wiring so that the resistance value becomes higher as the selected row wiring is closer to the column wiring driving circuit."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image display apparatus and control method thereof for controlling brightness unevenness due to resistance of column wirings","description":"An image display apparatus according to the present invention comprises a display panel having a plurality of row wirings, a plurality of column wirings, and a plurality of pixels, a row wiring drivin","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8519991","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-8519991","citation_suggestion":"Patentable. \"Image display apparatus and control method thereof for controlling brightness unevenness due to resistance of column wirings\" (US-8519991). https://patentable.app/patents/US-8519991","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8519991","json":"https://patentable.app/api/llm-context/US-8519991","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:22:29.187Z"}