{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9784897","patent":{"patent_number":"US-9784897","title":"Optical film, polarizing plate and liquid crystal display device","assignee":null,"inventors":[],"filing_date":"2015-05-29T00:00:00.000Z","publication_date":"2017-10-10T00:00:00.000Z","cpc_codes":["G02F","G02F"],"num_claims":10,"abstract":"An optical film having a thickness of from 10 to 45 μm and containing a cellulose ester, a polyester having a recurring unit represented by the formula 1A and having a blocked terminal, and a durability improving agent for a polarizer wherein Re and Rth are from −5 to 5 nm at a wavelength of 590 nm can be used as an polarizing plate protective film and is capable of ensuring the durability of the polarizer under a high temperature and high humidity environment. X represents an acyclic divalent linking group, R represents an alkyl, alkenyl, alkynyl or aryl group, and m represents an integer of from 0 to 4."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical film, polarizing plate and liquid crystal display device","description":"An optical film having a thickness of from 10 to 45 μm and containing a cellulose ester, a polyester having a recurring unit represented by the formula 1A and having a blocked terminal, and a durabili","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9784897","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-9784897","citation_suggestion":"Patentable. \"Optical film, polarizing plate and liquid crystal display device\" (US-9784897). https://patentable.app/patents/US-9784897","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9784897","json":"https://patentable.app/api/llm-context/US-9784897","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:38:13.125Z"}