{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8519919","patent":{"patent_number":"US-8519919","title":"Display device and method to prevent the change of threshold voltage of the writing transistor due to the variation with age","assignee":null,"inventors":[],"filing_date":"2008-06-30T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G","G09G","G09G"],"num_claims":4,"abstract":"A display device includes a display portion formed by disposing pixels in matrix, in which the pixel includes: a light emitting element; a signal level holding capacitor; a writing transistor for receiving a write signal from the vertical drive circuit, and being turned ON/OFF by the write signal, thereby setting a voltage across the terminals of the signal level holding capacitor at a signal level on a signal line; and a driving transistor for driving the light emitting device; and the vertical drive circuit sets a signal level of the write signal for an entire or partial time period of a time period for which the drive for the light emitting device is not influenced in a non-emission time period for which light emission of the light emitting device is stopped at a signal level of the write signal on a shorter time period side in other time periods."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Display device and method to prevent the change of threshold voltage of the writing transistor due to the variation with age","description":"A display device includes a display portion formed by disposing pixels in matrix, in which the pixel includes: a light emitting element; a signal level holding capacitor; a writing transistor for rece","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8519919","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-8519919","citation_suggestion":"Patentable. \"Display device and method to prevent the change of threshold voltage of the writing transistor due to the variation with age\" (US-8519919). https://patentable.app/patents/US-8519919","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8519919","json":"https://patentable.app/api/llm-context/US-8519919","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:30:56.298Z"}