{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9638848","patent":{"patent_number":"US-9638848","title":"Patterned phase difference film and method for manufacturing same","assignee":null,"inventors":[],"filing_date":"2012-10-01T00:00:00.000Z","publication_date":"2017-05-02T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F"],"num_claims":8,"abstract":"A pattern phase difference film is manufactured by a process including a laminate body formation step of applying a pattern alignment layer composition on a substrate to form a laminate body, a heat-drying layer formation step of heat-drying the composition to form a heat-dried layer, a pattern alignment layer formation step of irradiating a polarization pattern onto the heat-dried layer to form a pattern alignment layer, and a phase difference layer formation step of forming a phase difference layer including a rod-shaped compound on the pattern alignment layer. During the steps between the heat-drying layer formation step and the phase difference layer formation step, the heat-dried layer and the pattern alignment layer are exposed to the air for four hours or less."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Patterned phase difference film and method for manufacturing same","description":"A pattern phase difference film is manufactured by a process including a laminate body formation step of applying a pattern alignment layer composition on a substrate to form a laminate body, a heat-d","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9638848","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-9638848","citation_suggestion":"Patentable. \"Patterned phase difference film and method for manufacturing same\" (US-9638848). https://patentable.app/patents/US-9638848","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9638848","json":"https://patentable.app/api/llm-context/US-9638848","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:37:49.592Z"}