{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8497857","patent":{"patent_number":"US-8497857","title":"Display device","assignee":null,"inventors":[],"filing_date":"2010-08-31T00:00:00.000Z","publication_date":"2013-07-30T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G","G09G","G09G","G09G","G09G","G09G","G09G"],"num_claims":14,"abstract":"A display device includes: a display panel including a display region in which display pixels are two-dimensionally arranged, and a non-display region in which first dummy pixels and second dummy pixels are arranged; a first drive section allowing each of the first dummy pixels to emit light by applying signal voltages having different magnitudes to each of the first dummy pixels; a second drive section allowing each of the second dummy pixels to emit light by flowing constant currents having different magnitudes to each of the second dummy pixels; a current measurement section detection currents flowing through each of the first dummy pixels to output current information thereof; a light reception section detecting light emitted from each of the second dummy pixels to output luminance information thereof; and a calculation section deriving a current deterioration function using the current information, and deriving an efficiency deterioration function using the luminance information."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Display device","description":"A display device includes: a display panel including a display region in which display pixels are two-dimensionally arranged, and a non-display region in which first dummy pixels and second dummy pixe","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8497857","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-8497857","citation_suggestion":"Patentable. \"Display device\" (US-8497857). https://patentable.app/patents/US-8497857","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8497857","json":"https://patentable.app/api/llm-context/US-8497857","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:18:50.489Z"}