{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8471459","patent":{"patent_number":"US-8471459","title":"Fluorescent substance and light-emitting device employing the same","assignee":null,"inventors":[],"filing_date":"2011-08-26T00:00:00.000Z","publication_date":"2013-06-25T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L"],"num_claims":17,"abstract":"The fluorescent substance according to the embodiment is generally represented by (M1−xECx)aSibAlOcNd, and is a kind of the Sr2Si7Al3ON13 phosphors. The substance is in the form of crystals having a mean grain size of 20 to 100 μm, and the aspect ratio thereof is in the range of 2 to 4. This substance emits luminescence having a peak in the wavelength range of 580 to 660 nm when excited by light of 250 to 500 nm. The embodiment also provides a light-emitting device comprising this substance in combination with a light-emitting element and a green light-emitting fluorescent substance."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Fluorescent substance and light-emitting device employing the same","description":"The fluorescent substance according to the embodiment is generally represented by (M1−xECx)aSibAlOcNd, and is a kind of the Sr2Si7Al3ON13 phosphors. The substance is in the form of crystals having a m","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8471459","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-8471459","citation_suggestion":"Patentable. \"Fluorescent substance and light-emitting device employing the same\" (US-8471459). https://patentable.app/patents/US-8471459","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8471459","json":"https://patentable.app/api/llm-context/US-8471459","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:24:27.189Z"}