{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11513357","patent":{"patent_number":"US-11513357","title":"Image display device for providing uniform brightness in virtual image","assignee":null,"inventors":[],"filing_date":"2020-07-29T00:00:00.000Z","publication_date":"2022-11-29T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":7,"abstract":"An image display device includes, an imaging light generation part configured to generate an imaging light having a single color, a light-guiding plate, an incident side diffraction element provided at a light incident part of the light-guiding plate, and configured to cause the imaging light to enter the light-guiding plate, an exit side diffraction element provided at a light emitting part of the light-guiding plate, and configured to cause the imaging light propagating within the light-guiding plate to exit, and an angle dependent reflective film provided between the light-guiding plate and the exit side diffraction element, and having a reflectance varying depending on magnitude of a propagation angle of the imaging light, in which the reflectance for the imaging light propagating at a relatively small propagation angle is larger than the reflectance for the imaging light propagating at a relatively large propagation angle."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Image display device for providing uniform brightness in virtual image","description":"An image display device includes, an imaging light generation part configured to generate an imaging light having a single color, a light-guiding plate, an incident side diffraction element provided a","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11513357","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-11513357","citation_suggestion":"Patentable. \"Image display device for providing uniform brightness in virtual image\" (US-11513357). https://patentable.app/patents/US-11513357","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11513357","json":"https://patentable.app/api/llm-context/US-11513357","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T21:23:23.570Z"}