{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11997874","patent":{"patent_number":"US-11997874","title":"Phase difference film, circularly polarizing plate, and organic electroluminescent display device","assignee":null,"inventors":[],"filing_date":"2021-05-06T00:00:00.000Z","publication_date":"2024-05-28T00:00:00.000Z","cpc_codes":["G02F"],"num_claims":20,"abstract":"The present invention provides a phase difference film in which reflection of external light is suppressed, tinting of reflected light is suppressed, and tinting at the time of white display is suppressed in a case where the phase difference film is applied to a display device; a circularly polarizing plate; and an organic electroluminescent display device. The phase difference film of an embodiment of the present invention has an in-plane retardation of 100 to 200 nm at a wavelength of 550 nm and satisfies Requirement 1: Δxy<0.010 and Requirement 6: 0.10<Slope S≤1.0."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Phase difference film, circularly polarizing plate, and organic electroluminescent display device","description":"The present invention provides a phase difference film in which reflection of external light is suppressed, tinting of reflected light is suppressed, and tinting at the time of white display is suppre","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11997874","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-11997874","citation_suggestion":"Patentable. \"Phase difference film, circularly polarizing plate, and organic electroluminescent display device\" (US-11997874). https://patentable.app/patents/US-11997874","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11997874","json":"https://patentable.app/api/llm-context/US-11997874","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T13:15:21.870Z"}