{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9684218","patent":{"patent_number":"US-9684218","title":"Low-cost chromatic devices","assignee":null,"inventors":[],"filing_date":"2013-11-07T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["G02F","G02F"],"num_claims":20,"abstract":"In one embodiment, a chromatic device includes an active layer and an electrolyte layer in contact with the active layer, wherein the active layer has an opaque color that blocks light but changes to a translucent color that transmits light when a metal object is placed in electrical contact with the active layer in the presence of the electrolyte layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Low-cost chromatic devices","description":"In one embodiment, a chromatic device includes an active layer and an electrolyte layer in contact with the active layer, wherein the active layer has an opaque color that blocks light but changes to ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9684218","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-9684218","citation_suggestion":"Patentable. \"Low-cost chromatic devices\" (US-9684218). https://patentable.app/patents/US-9684218","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9684218","json":"https://patentable.app/api/llm-context/US-9684218","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T11:20:02.879Z"}