{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8502441","patent":{"patent_number":"US-8502441","title":"Light emitting device having a coated nano-crystalline phosphor and method for producing the same","assignee":null,"inventors":[],"filing_date":"2012-06-28T00:00:00.000Z","publication_date":"2013-08-06T00:00:00.000Z","cpc_codes":["H01L","H01L"],"num_claims":14,"abstract":"A light emitting device includes a light emitting element that emits primary light and a wavelength conversion unit that absorbs part of the primary light and emits secondary light. In the light emitting device, the wavelength conversion unit includes a plurality of types of phosphors that emit secondary light having wavelengths different from each other, and at least one of the phosphors is a covered phosphor covered with a surface film that reflects secondary light emitted from a phosphor other than the covered phosphor."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light emitting device having a coated nano-crystalline phosphor and method for producing the same","description":"A light emitting device includes a light emitting element that emits primary light and a wavelength conversion unit that absorbs part of the primary light and emits secondary light. In the light emitt","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8502441","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-8502441","citation_suggestion":"Patentable. \"Light emitting device having a coated nano-crystalline phosphor and method for producing the same\" (US-8502441). https://patentable.app/patents/US-8502441","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8502441","json":"https://patentable.app/api/llm-context/US-8502441","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:38:04.923Z"}