{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11249345","patent":{"patent_number":"US-11249345","title":"White LED package, light-emitting device, surface light source device and display device","assignee":null,"inventors":[],"filing_date":"2021-06-29T00:00:00.000Z","publication_date":"2022-02-15T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F","H01L","G02F"],"num_claims":8,"abstract":"Condition 1 (an absolute value of a difference between IB×B and EB×B is 55% or smaller) and condition 2 (an absolute value of a difference between IY×Y and EY×Y is 55% or smaller) are satisfied, where, when an area of the light-emitting surface is equally divided into inner and outer regions by a boundary line as an outer edge of a region similar in shape to the light-emitting surface in plan view of a white LED package, IB (%) is an area ratio of blue LED chips in the inner region; IY (%) is an area ratio of the region where no blue LED chips is disposed in the inner region; EB (%) is an area ratio of the blue LED chips in the outer region; and EY (%) is an area ratio of the region where no blue LED chip is disposed in the outer region."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"White LED package, light-emitting device, surface light source device and display device","description":"Condition 1 (an absolute value of a difference between IB×B and EB×B is 55% or smaller) and condition 2 (an absolute value of a difference between IY×Y and EY×Y is 55% or smaller) are satisfied, where","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11249345","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-11249345","citation_suggestion":"Patentable. \"White LED package, light-emitting device, surface light source device and display device\" (US-11249345). https://patentable.app/patents/US-11249345","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11249345","json":"https://patentable.app/api/llm-context/US-11249345","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T20:06:10.645Z"}