{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9831392","patent":{"patent_number":"US-9831392","title":"Cover glass for light emitting diode package, sealed structure, and light emitting device","assignee":null,"inventors":[],"filing_date":"2016-06-02T00:00:00.000Z","publication_date":"2017-11-28T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":14,"abstract":"To provide a cover glass for light emitting diode package, which is capable of preventing deterioration in transmittance characteristics during use for a long period of time, and a light emitting device. The cover glass for light emitting diode package has a basic composition comprising, by mass % as calculated as oxides, from 55 to 80% of SiO2, from 0.5 to 15% of Al2O3, from 5 to 25% of B2O3, from 0 to 7% of Li2O, from 0 to 15% of Na2O, from 0 to 10% of K2O (provided Li2O+Na2O+K2O=from 2 to 20%), from 0 to 0.1% of SnO2 and from 0.001 to 0.1% of Fe2O3, it does not substantially contain As2O3, Sb2O3 and PbO, and it has an average thermal expansion coefficient of from 45 to 70×10−7/° C. in a temperature range of from 0 to 300° C."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Cover glass for light emitting diode package, sealed structure, and light emitting device","description":"To provide a cover glass for light emitting diode package, which is capable of preventing deterioration in transmittance characteristics during use for a long period of time, and a light emitting devi","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9831392","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-9831392","citation_suggestion":"Patentable. \"Cover glass for light emitting diode package, sealed structure, and light emitting device\" (US-9831392). https://patentable.app/patents/US-9831392","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9831392","json":"https://patentable.app/api/llm-context/US-9831392","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:58:11.197Z"}