{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8514159","patent":{"patent_number":"US-8514159","title":"Liquid crystal drive device","assignee":null,"inventors":[],"filing_date":"2008-04-17T00:00:00.000Z","publication_date":"2013-08-20T00:00:00.000Z","cpc_codes":["G09G","G09G"],"num_claims":7,"abstract":"The present invention provides a liquid crystal drive device comprising a first gradation voltage generating circuit having a plurality of first wirings led out from a first string resistor thereof, a second gradation voltage generating circuit having a plurality of second wirings led out from a second string resistor thereof having a resistance value higher than the first string resistor and respectively connected to voltage-follower connected op amplifiers, a plurality of DA converters to which the first wirings and the op amplifiers are respectively connected, and an output op amplifier connected to the DA converters respectively."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Liquid crystal drive device","description":"The present invention provides a liquid crystal drive device comprising a first gradation voltage generating circuit having a plurality of first wirings led out from a first string resistor thereof, a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8514159","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-8514159","citation_suggestion":"Patentable. \"Liquid crystal drive device\" (US-8514159). https://patentable.app/patents/US-8514159","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8514159","json":"https://patentable.app/api/llm-context/US-8514159","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T16:19:40.451Z"}