{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8502939","patent":{"patent_number":"US-8502939","title":"Optical sheet","assignee":null,"inventors":[],"filing_date":"2009-11-09T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["G02F"],"num_claims":16,"abstract":"There is provided an optical sheet for use as a display device surface, which has a functional layer on at least one side of a base material and has a diffusion factor on the outer surface and/or interior of the functional layer, wherein the relationship represented by the following formula (I) is satisfied.0.16<S×β<0.70  (I)"},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical sheet","description":"There is provided an optical sheet for use as a display device surface, which has a functional layer on at least one side of a base material and has a diffusion factor on the outer surface and/or inte","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8502939","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-8502939","citation_suggestion":"Patentable. \"Optical sheet\" (US-8502939). https://patentable.app/patents/US-8502939","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8502939","json":"https://patentable.app/api/llm-context/US-8502939","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:29:26.706Z"}