{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11500217","patent":{"patent_number":"US-11500217","title":"Pancake lens assembly and optical system thereof","assignee":null,"inventors":[],"filing_date":"2019-05-03T00:00:00.000Z","publication_date":"2022-11-15T00:00:00.000Z","cpc_codes":["G02F"],"num_claims":16,"abstract":"An optical lens assembly and an optical system is provided. The optical lens assembly includes a first optical element including a partial reflector and a quarter-wave plate and a second optical element including a reflective polarizer. The first optical element and the second optical element form a cavity. The pancake lens assembly further includes a varifocal lens having an adjustable optical power, and the varifocal lens is disposed inside or outside the cavity."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Pancake lens assembly and optical system thereof","description":"An optical lens assembly and an optical system is provided. The optical lens assembly includes a first optical element including a partial reflector and a quarter-wave plate and a second optical eleme","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11500217","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-11500217","citation_suggestion":"Patentable. \"Pancake lens assembly and optical system thereof\" (US-11500217). https://patentable.app/patents/US-11500217","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11500217","json":"https://patentable.app/api/llm-context/US-11500217","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:33:49.711Z"}