{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11268858","patent":{"patent_number":"US-11268858","title":"Method and device for measuring dominant wavelength and color purity of light-emitting diode (LED) lamp, and electronic equipment","assignee":null,"inventors":[],"filing_date":"2021-08-11T00:00:00.000Z","publication_date":"2022-03-08T00:00:00.000Z","cpc_codes":["G06F"],"num_claims":8,"abstract":"A method and device for measuring dominant wavelength and color purity of LED lamp, and an electronic equipment. The method includes: establishing standard data; calculating difference and distance between chromaticity coordinate in the standard data and the chromaticity coordinate of equal-energy white light; calculating an included angle between a vector formed by the chromaticity coordinate of equal-energy white light to each standard chromaticity coordinate and a positive direction of x axis; performing a one-way processing on the included angle to form included angle data; calculating an included angle intermediate value; determining minimum and maximum values of the included angle intermediate value; calculating a dominant wavelength coefficient and a measured included angle intermediate value; calculating a wavelength interval corresponding to the included angle intermediate value; calculating a dominant wavelength intermediate value and x difference by interpolation calculation; and obtaining dominant wavelength and color purity of the LED lamp."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Method and device for measuring dominant wavelength and color purity of light-emitting diode (LED) lamp, and electronic equipment","description":"A method and device for measuring dominant wavelength and color purity of LED lamp, and an electronic equipment. The method includes: establishing standard data; calculating difference and distance be","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11268858","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-11268858","citation_suggestion":"Patentable. \"Method and device for measuring dominant wavelength and color purity of light-emitting diode (LED) lamp, and electronic equipment\" (US-11268858). https://patentable.app/patents/US-11268858","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11268858","json":"https://patentable.app/api/llm-context/US-11268858","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T13:41:50.722Z"}