{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8525940","patent":{"patent_number":"US-8525940","title":"Illuminator and projector","assignee":null,"inventors":[],"filing_date":"2011-12-27T00:00:00.000Z","publication_date":"2013-09-03T00:00:00.000Z","cpc_codes":["H04N"],"num_claims":15,"abstract":"An illuminator includes: a light source that emits light; a first lens array including a plurality of first lenslets; a second lens array including a plurality of second lenslets corresponding to the plurality of first lenslets; a polarization conversion element that converts light fluxes from the second lens array into polarized light fluxes and outputs the polarized light fluxes; and a superimposing lens that superimposes sub-light fluxes from the polarization conversion element, wherein the plurality of first lenslets and the plurality of second lenslets are each arranged in a matrix, the polarization conversion element is formed of a plurality of columns of polarization conversion units that convert the light fluxes from the plurality of second lenslets into the polarized light fluxes on a column basis, and the number of columns of the polarization conversion units is fewer than the number of columns of the first lenslets and the second lenslets."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Illuminator and projector","description":"An illuminator includes: a light source that emits light; a first lens array including a plurality of first lenslets; a second lens array including a plurality of second lenslets corresponding to the ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8525940","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-8525940","citation_suggestion":"Patentable. \"Illuminator and projector\" (US-8525940). https://patentable.app/patents/US-8525940","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8525940","json":"https://patentable.app/api/llm-context/US-8525940","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T23:11:31.967Z"}