{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11487153","patent":{"patent_number":"US-11487153","title":"Backlight device and holographic 3-dimensional image display device including the same","assignee":null,"inventors":[],"filing_date":"2020-08-24T00:00:00.000Z","publication_date":"2022-11-01T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F"],"num_claims":17,"abstract":"A backlight device includes: a light source to emit coherent light; an optical path difference generator on the light source, the optical path difference generator including an incident surface and a plurality of light emitting surfaces, the light emitting surfaces being parallel to the incident surface and having different separation distances from the incident surface; a light condenser on the optical path difference generator; a diffuser on the light condenser; and a collimator on the diffuser."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Backlight device and holographic 3-dimensional image display device including the same","description":"A backlight device includes: a light source to emit coherent light; an optical path difference generator on the light source, the optical path difference generator including an incident surface and a ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11487153","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-11487153","citation_suggestion":"Patentable. \"Backlight device and holographic 3-dimensional image display device including the same\" (US-11487153). https://patentable.app/patents/US-11487153","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11487153","json":"https://patentable.app/api/llm-context/US-11487153","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T10:19:25.346Z"}