{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8480239","patent":{"patent_number":"US-8480239","title":"Optical device and projection device","assignee":null,"inventors":[],"filing_date":"2011-04-11T00:00:00.000Z","publication_date":"2013-07-09T00:00:00.000Z","cpc_codes":["H04N","H04N"],"num_claims":6,"abstract":"An optical device includes multiple reflective spatial light modulation devices each of which applies an image signal to each of rays of incident light and rotates a polarization direction of each of the rays of incident light for a modulated output, multiple polarization elements each of which causes each polarization component of the rays of incident light in a specific direction to be transmitted and incident upon each of the spatial light modulation devices and reflects the polarization component in a direction rotated by each of the spatial light modulation devices, a light synthesis device which synthesizes multiple rays of reflected light to be output as one ray of image light, and a securing member which simultaneously secures each of the polarization elements in a position corresponding to each of the spatial light modulation devices. The securing member is secured to the light synthesis device."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical device and projection device","description":"An optical device includes multiple reflective spatial light modulation devices each of which applies an image signal to each of rays of incident light and rotates a polarization direction of each of ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8480239","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-8480239","citation_suggestion":"Patentable. \"Optical device and projection device\" (US-8480239). https://patentable.app/patents/US-8480239","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8480239","json":"https://patentable.app/api/llm-context/US-8480239","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:10:46.074Z"}