{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8517534","patent":{"patent_number":"US-8517534","title":"Semi-finished blank for varifocal lens, varifocal lens made from this blank, and varifocal eyeglasses featuring this lens","assignee":null,"inventors":[],"filing_date":"2011-10-19T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["G02F","G02F"],"num_claims":9,"abstract":"This semi-finished blank for a varifocal lens comprises a first substrate (13), a second substrate (15) that is opposite the first substrate (13), a first transparent conductive film (27) produced on the front of the first substrate (13), a second transparent conductive film (33) produced on the back of the second substrate (15), a varifocal section (5) disposed between the front of the first substrate (13) and the back of the second substrate (15); a first internal electrode (17) of the first transparent conductive film (27), a second internal electrode (19) of the second transparent conductive film (33), a first laser separation film (29) that is opposite the second internal electrode (19) and in which a partial region of the first transparent conductive film (27) is separated with a laser, and a second laser separation film (35) that is opposite the first internal electrode (19) and in which a partial region of the second transparent conductive film (33) is separated with a laser."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Semi-finished blank for varifocal lens, varifocal lens made from this blank, and varifocal eyeglasses featuring this lens","description":"This semi-finished blank for a varifocal lens comprises a first substrate (13), a second substrate (15) that is opposite the first substrate (13), a first transparent conductive film (27) produced on ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8517534","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-8517534","citation_suggestion":"Patentable. \"Semi-finished blank for varifocal lens, varifocal lens made from this blank, and varifocal eyeglasses featuring this lens\" (US-8517534). https://patentable.app/patents/US-8517534","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8517534","json":"https://patentable.app/api/llm-context/US-8517534","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T14:24:16.880Z"}