{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11977289","patent":{"patent_number":"US-11977289","title":"Wide-viewing-angle optical film, manufacturing method of the same, and liquid crystal display device","assignee":null,"inventors":[],"filing_date":"2022-07-28T00:00:00.000Z","publication_date":"2024-05-07T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F"],"num_claims":11,"abstract":"Provided are a wide-viewing-angle optical film, a manufacturing method of the wide-viewing-angle optical film, and a liquid crystal display device. The manufacturing method includes: providing a substrate and forming a first light-transmissive layer at one side of the substrate; performing light treatment on the first light-transmissive layer to form protrusions on a surface of the first light-transmissive layer; and forming a second light-transmissive layer on one side of the first light-transmissive layer away from the substrate, in which a refractive index of a material of the second light-transmissive layer is greater than a refractive index of a material of the first light-transmissive layer to obtain a wide-viewing-angle film including the first light-transmissive layer and the second light-transmissive layer stacked on each other."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Wide-viewing-angle optical film, manufacturing method of the same, and liquid crystal display device","description":"Provided are a wide-viewing-angle optical film, a manufacturing method of the wide-viewing-angle optical film, and a liquid crystal display device. The manufacturing method includes: providing a subst","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11977289","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-11977289","citation_suggestion":"Patentable. \"Wide-viewing-angle optical film, manufacturing method of the same, and liquid crystal display device\" (US-11977289). https://patentable.app/patents/US-11977289","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11977289","json":"https://patentable.app/api/llm-context/US-11977289","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T01:31:46.809Z"}