{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9818731","patent":{"patent_number":"US-9818731","title":"Light emitting device","assignee":null,"inventors":[],"filing_date":"2015-04-14T00:00:00.000Z","publication_date":"2017-11-14T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L","H01L"],"num_claims":5,"abstract":"The color purities of blue-green light and yellow or yellow-green light are enhanced. A light emitting device (100) configured to emit at least blue-green light and yellow or yellow-green light includes a substrate (51), an LED chip group, and a sealing resin part (50) collectively sealing the LED chip group, wherein the LED chip group at least includes a green LED chip (GB), a green LED chip (GY), a blue LED chip (B), and a red LED chip (R), and the green LED chip (GB) has a dominant wavelength shorter than a dominant wavelength of the green LED chip (GY)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light emitting device","description":"The color purities of blue-green light and yellow or yellow-green light are enhanced. A light emitting device (100) configured to emit at least blue-green light and yellow or yellow-green light includ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9818731","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-9818731","citation_suggestion":"Patentable. \"Light emitting device\" (US-9818731). https://patentable.app/patents/US-9818731","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9818731","json":"https://patentable.app/api/llm-context/US-9818731","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:41:55.841Z"}