{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11257990","patent":{"patent_number":"US-11257990","title":"Light emitting device","assignee":null,"inventors":[],"filing_date":"2018-09-26T00:00:00.000Z","publication_date":"2022-02-22T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":22,"abstract":"A light emitting device includes: a first light emitting element and a second light emitting element, each having a peak emission wavelength in a range of 430 nm to 480 nm; a first light transmissive member disposed on an upper face of the first light emitting element and containing a first phosphor; a second light transmissive member disposed on an upper face of the second light emitting element; and an encapsulant covering the first light transmissive member and the second light transmissive member and containing a second phosphor. The first light emitting element and the second light emitting element are configured to be independently driven. A chromaticity of light exiting from the first light transmissive member differs from a chromaticity of light exiting from the second light transmissive member."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light emitting device","description":"A light emitting device includes: a first light emitting element and a second light emitting element, each having a peak emission wavelength in a range of 430 nm to 480 nm; a first light transmissive ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11257990","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-11257990","citation_suggestion":"Patentable. \"Light emitting device\" (US-11257990). https://patentable.app/patents/US-11257990","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11257990","json":"https://patentable.app/api/llm-context/US-11257990","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:28:51.947Z"}