{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8517542","patent":{"patent_number":"US-8517542","title":"Laser illumination device, illumination method, semiconductor element manufacturing method, projection display device, and image display method using the projection display device","assignee":null,"inventors":[],"filing_date":"2010-04-23T00:00:00.000Z","publication_date":"2013-08-27T00:00:00.000Z","cpc_codes":["H01L"],"num_claims":6,"abstract":"A laser illumination device for providing a light intensity distribution of a high-intensity and uniform illumination light flux is obtained. The device includes a plurality of light source modules (20) each including: a plurality of light source units (8), in each of which a semiconductor laser (1), and a laser medium (5) and a nonlinear material (7) which are flat-shaped and have a waveguide structure are arranged on the same plane, for performing continuous oscillation in a waveguide mode of the laser medium (5); and a first optical system (12) for coupling laser oscillation beams from the plurality of light source units (8). The device further includes: a second optical system (15) for coupling laser light beams propagating from the plurality of light source modules (20) through first optical fibers (13) and a second optical fiber array (14); a uniformization element (16) for converting a laser light beam from the second optical system (15) into a uniform laser light beam; and a third optical system (17) for projecting, to a substrate (19) which is an illuminated surface (18), the uniform laser light beam obtained through the uniformization element (16) at a predetermined magnification, to produce an illumination light flux (11)."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Laser illumination device, illumination method, semiconductor element manufacturing method, projection display device, and image display method using the projection display device","description":"A laser illumination device for providing a light intensity distribution of a high-intensity and uniform illumination light flux is obtained. The device includes a plurality of light source modules (2","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8517542","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-8517542","citation_suggestion":"Patentable. \"Laser illumination device, illumination method, semiconductor element manufacturing method, projection display device, and image display method using the projection display device\" (US-8517542). https://patentable.app/patents/US-8517542","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8517542","json":"https://patentable.app/api/llm-context/US-8517542","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T07:44:42.402Z"}