{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8477275","patent":{"patent_number":"US-8477275","title":"Optical film and liquid crystal display device","assignee":null,"inventors":[],"filing_date":"2011-10-13T00:00:00.000Z","publication_date":"2013-07-02T00:00:00.000Z","cpc_codes":["G02F","G02F"],"num_claims":14,"abstract":"An optical film contains a cellulose acylate film, and at least two layers of an optically anisotropic layer A and an optically anisotropic layer B, wherein the cellulose acylate film satisfies the specific formulae, Re(548) of the optically anisotropic layer A is from 80 to 190 nm and the slow axis of the optically anisotropic layer A is at 45°±10° with respect to the film conveying direction, and the optically anisotropic layer B satisfies the specific formulae."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical film and liquid crystal display device","description":"An optical film contains a cellulose acylate film, and at least two layers of an optically anisotropic layer A and an optically anisotropic layer B, wherein the cellulose acylate film satisfies the sp","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8477275","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-8477275","citation_suggestion":"Patentable. \"Optical film and liquid crystal display device\" (US-8477275). https://patentable.app/patents/US-8477275","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8477275","json":"https://patentable.app/api/llm-context/US-8477275","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T08:35:06.988Z"}