{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11251340","patent":{"patent_number":"US-11251340","title":"Light-emitting device with distributed Bragg reflection structure","assignee":null,"inventors":[],"filing_date":"2020-01-22T00:00:00.000Z","publication_date":"2022-02-15T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":20,"abstract":"A light-emitting device includes a substrate, having a first surface and second surface opposite to the first surface; a light-emitting stack, formed on the first surface of the substrate, the light-emitting stack including a first semiconductor layer, an active layer and a second semiconductor layer, wherein the active layer is formed between the first conductive semiconductor layer and the second conductive semiconductor layer; and a distributed Bragg reflection structure (DBR), formed on the second surface of the substrate, including a plurality of dielectric-layer pair formed sequentially on the second surface, wherein each of the dielectric-layer pairs includes respectively a first dielectric layer having a first optical thickness and a second dielectric layer having a second optical thickness, and wherein from the second surface, the first dielectric layer of each of the dielectric-layer pairs is thicker than the first dielectric layer of the adjacent previous dielectric-layer pair."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light-emitting device with distributed Bragg reflection structure","description":"A light-emitting device includes a substrate, having a first surface and second surface opposite to the first surface; a light-emitting stack, formed on the first surface of the substrate, the light-e","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11251340","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-11251340","citation_suggestion":"Patentable. \"Light-emitting device with distributed Bragg reflection structure\" (US-11251340). https://patentable.app/patents/US-11251340","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11251340","json":"https://patentable.app/api/llm-context/US-11251340","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T13:16:44.564Z"}