{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9846302","patent":{"patent_number":"US-9846302","title":"Optical see-through glass type display device and corresponding optical element","assignee":null,"inventors":[],"filing_date":"2014-12-18T00:00:00.000Z","publication_date":"2017-12-19T00:00:00.000Z","cpc_codes":["G02F","G06T","G09G"],"num_claims":9,"abstract":"An optical see-through glass type display device comprises: an image projector projecting a virtual image; a first optical element configured to guide light of the virtual image; and a second optical element having a first reflection surface for reflecting back light coming through the front surface of the second optical element and a second reflection surface for retro-reflecting light coming through the rear surface of the second optical element. The second optical element is switchable between a first state in which the reflection on the first and second reflection surfaces is enabled and a second state in which the reflection on the first and second reflection surfaces is disabled."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Optical see-through glass type display device and corresponding optical element","description":"An optical see-through glass type display device comprises: an image projector projecting a virtual image; a first optical element configured to guide light of the virtual image; and a second optical ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9846302","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-9846302","citation_suggestion":"Patentable. \"Optical see-through glass type display device and corresponding optical element\" (US-9846302). https://patentable.app/patents/US-9846302","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9846302","json":"https://patentable.app/api/llm-context/US-9846302","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T15:31:47.675Z"}