{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11243430","patent":{"patent_number":"US-11243430","title":"Light flux controlling member, light-emitting device, surface light source device and display device","assignee":null,"inventors":[],"filing_date":"2020-11-30T00:00:00.000Z","publication_date":"2022-02-08T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G09G","G09G","G09G","G09G"],"num_claims":7,"abstract":"A light flux controlling member for controlling a distribution of light emitted from a light-emitting element includes an incidence surface configured to allow the light to enter the light flux controlling member; an emission surface configured to emit light; and a reflection part including an inclined surface configured to reflect light entered from the incidence surface, wherein in a cross-section, a region where light emitted from a light emission center of the light-emitting element that is entered from the incidence surface and sequentially reflected by the emission surface and the inclined surface reaches in the emission surface includes a portion where a derivative value of a gradient of a tangent to a given point in the emission surface is 0, or a portion where a sign of the derivative value reverses."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Light flux controlling member, light-emitting device, surface light source device and display device","description":"A light flux controlling member for controlling a distribution of light emitted from a light-emitting element includes an incidence surface configured to allow the light to enter the light flux contro","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11243430","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-11243430","citation_suggestion":"Patentable. \"Light flux controlling member, light-emitting device, surface light source device and display device\" (US-11243430). https://patentable.app/patents/US-11243430","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11243430","json":"https://patentable.app/api/llm-context/US-11243430","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:38:01.867Z"}