{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11270618","patent":{"patent_number":"US-11270618","title":"Apparatus for testing display device and display device for performing mura compensation and mura compensation method","assignee":null,"inventors":[],"filing_date":"2021-05-10T00:00:00.000Z","publication_date":"2022-03-08T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G","G09G","G09G","G09G"],"num_claims":20,"abstract":"A test apparatus includes: a compensation coefficient calculator configured to calculate a main compensation coefficient for a main gradation and a sub compensation coefficient for a sub gradation based on a detected image signal; a primary predictor configured to determine a representative value of each of a plurality of blocks of a display panel based on the detected image signal, and output a prediction compensation coefficient for the sub gradation based on the main compensation coefficient and the representative value corresponding to each of the plurality of blocks; a secondary predictor configured to determine a flag based on the sub compensation coefficient and the prediction compensation coefficient; and a controller configured to output the main compensation coefficient, the representative value, and the flag stored in a memory as compensation data."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Apparatus for testing display device and display device for performing mura compensation and mura compensation method","description":"A test apparatus includes: a compensation coefficient calculator configured to calculate a main compensation coefficient for a main gradation and a sub compensation coefficient for a sub gradation bas","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11270618","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-11270618","citation_suggestion":"Patentable. \"Apparatus for testing display device and display device for performing mura compensation and mura compensation method\" (US-11270618). https://patentable.app/patents/US-11270618","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11270618","json":"https://patentable.app/api/llm-context/US-11270618","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T04:48:10.033Z"}