{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9664919","patent":{"patent_number":"US-9664919","title":"3D display device and operating method thereof","assignee":null,"inventors":[],"filing_date":"2012-11-21T00:00:00.000Z","publication_date":"2017-05-30T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":11,"abstract":"A 3D display device and an operating method thereof, the 3D display device comprising: a display screen (10), for displaying two-dimensional left and right eye pictures; a magnetic field device (20), disposed right in front of the display screen (10) on a light emitting side of the display screen and generating a magnetic field having a varying frequency in synchronization with a refresh frequency of the two-dimensional left and right eye pictures of the display screen (10), thus rotating a direction of a polarization plane of polarized light emitted from the display screen (10)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"3D display device and operating method thereof","description":"A 3D display device and an operating method thereof, the 3D display device comprising: a display screen (10), for displaying two-dimensional left and right eye pictures; a magnetic field device (20), ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9664919","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-9664919","citation_suggestion":"Patentable. \"3D display device and operating method thereof\" (US-9664919). https://patentable.app/patents/US-9664919","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9664919","json":"https://patentable.app/api/llm-context/US-9664919","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T12:46:47.433Z"}