{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11531212","patent":{"patent_number":"US-11531212","title":"Stereoscopic 3D system using linear polarization","assignee":null,"inventors":[],"filing_date":"2020-11-20T00:00:00.000Z","publication_date":"2022-12-20T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","H04N","H04N","G02F","G02F","G02F"],"num_claims":19,"abstract":"Stereoscopic 3D systems include a conversion system having a polarization beam-splitting element to separate a randomly polarized incident image-beam into one transmitted image-beam and at least one reflected image-beam, first and second polarization modulators arranged to modulate states of the transmitted and reflected image-beams between first and second output linear polarization states, the modulators including first and second pi-cell liquid crystal elements aligned in mutually crossed orientation and switched between first and second optical-states, one of the optical-states having in-plane optical retardation corresponding to a quarter-wave plate (QWP), an additional QWP proximate to one of the pi-cell liquid crystal elements and perpendicularly aligned to the optical axis for the in-plane optical retardation for one of the pi-cell liquid crystal elements. Passive linear polarized viewing-glasses include first and second lenses, each having a mutually parallel linear polarizer, and a half-wave plate located proximate the input surface for one of the lenses."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Stereoscopic 3D system using linear polarization","description":"Stereoscopic 3D systems include a conversion system having a polarization beam-splitting element to separate a randomly polarized incident image-beam into one transmitted image-beam and at least one r","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11531212","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-11531212","citation_suggestion":"Patentable. \"Stereoscopic 3D system using linear polarization\" (US-11531212). https://patentable.app/patents/US-11531212","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11531212","json":"https://patentable.app/api/llm-context/US-11531212","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T17:25:59.807Z"}