{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11242481","patent":{"patent_number":"US-11242481","title":"Wavelength conversion film and backlight unit","assignee":null,"inventors":[],"filing_date":"2019-06-13T00:00:00.000Z","publication_date":"2022-02-08T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F"],"num_claims":9,"abstract":"Provided is a thin wavelength conversion film in which a phosphor can be uniformly dispersed and deterioration of the phosphor caused by oxygen can also be prevented; and a backlight unit including the wavelength conversion film. The wavelength conversion film includes a wavelength conversion layer and a substrate, in which the wavelength conversion layer includes a binder and particles including a phosphor, an oxygen permeability coefficient of the binder is 0.01 (cc·mm)/(m2·atm) or lower, an oxygen permeability coefficient of the matrix is 10 to 1000 (cc·mm)/(m2·day·atm), and a content of the particles in the wavelength conversion layer is 3 to 30 vol %."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Wavelength conversion film and backlight unit","description":"Provided is a thin wavelength conversion film in which a phosphor can be uniformly dispersed and deterioration of the phosphor caused by oxygen can also be prevented; and a backlight unit including th","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11242481","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-11242481","citation_suggestion":"Patentable. \"Wavelength conversion film and backlight unit\" (US-11242481). https://patentable.app/patents/US-11242481","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11242481","json":"https://patentable.app/api/llm-context/US-11242481","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:41:24.398Z"}