{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11513277","patent":{"patent_number":"US-11513277","title":"Light guide substrate and method of manufacturing the same, opposite substrate and liquid crystal display apparatus","assignee":null,"inventors":[],"filing_date":"2019-09-03T00:00:00.000Z","publication_date":"2022-11-29T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F","G02F","G02F"],"num_claims":19,"abstract":"A method of manufacturing a light guide substrate includes: providing a first base substrate; forming an interface protection layer on a side of the first base substrate; forming a grating structure layer at the side of the first base substrate where the interface protection layer has been formed; removing portions of the grating structure layer corresponding to the non-light extraction opening regions, so as to obtain a plurality of light extraction grating units in one-to-one correspondence with the plurality of light extraction opening regions; and removing portions of the interface protection layer corresponding to the non-light extraction opening regions. The first base substrate includes a plurality of light extraction opening regions and non-light extraction opening regions other than the plurality of light extraction opening regions."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light guide substrate and method of manufacturing the same, opposite substrate and liquid crystal display apparatus","description":"A method of manufacturing a light guide substrate includes: providing a first base substrate; forming an interface protection layer on a side of the first base substrate; forming a grating structure l","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11513277","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-11513277","citation_suggestion":"Patentable. \"Light guide substrate and method of manufacturing the same, opposite substrate and liquid crystal display apparatus\" (US-11513277). https://patentable.app/patents/US-11513277","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11513277","json":"https://patentable.app/api/llm-context/US-11513277","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T15:38:04.281Z"}