{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11492550","patent":{"patent_number":"US-11492550","title":"Narrow-band red photoluminescence materials for solid-state light emitting devices and filaments","assignee":null,"inventors":[],"filing_date":"2018-06-22T00:00:00.000Z","publication_date":"2022-11-08T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":17,"abstract":"Light emitting devices and LED-filaments comprise an excitation source (e.g. LED) and a photoluminescence material comprising a combination of a first narrow-band red photoluminescence material which generates light with a peak emission wavelength in a range 580 nm to 628 nm and a full width at half maximum emission intensity in a range 45 nm to 60 nm and a second narrow-band red photoluminescence material generates light with a peak emission wavelength in a range 628 nm to 640 nm and a full width at half maximum emission intensity in a range 5 nm to 20 nm. At least one of the first and second narrow-band red photoluminescence materials can comprise a narrow-band red phosphor or a quantum dot (QD) material."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Narrow-band red photoluminescence materials for solid-state light emitting devices and filaments","description":"Light emitting devices and LED-filaments comprise an excitation source (e.g. LED) and a photoluminescence material comprising a combination of a first narrow-band red photoluminescence material which ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11492550","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-11492550","citation_suggestion":"Patentable. \"Narrow-band red photoluminescence materials for solid-state light emitting devices and filaments\" (US-11492550). https://patentable.app/patents/US-11492550","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11492550","json":"https://patentable.app/api/llm-context/US-11492550","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:56:21.997Z"}