{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9685473","patent":{"patent_number":"US-9685473","title":"4-color pixel image sensor having visible color noise reduction function in near infrared ray pixel","assignee":null,"inventors":[],"filing_date":"2016-04-21T00:00:00.000Z","publication_date":"2017-06-20T00:00:00.000Z","cpc_codes":["H04N","H04N","H04N","H04N"],"num_claims":17,"abstract":"A 4-color pixel image sensor having a visible color noise reduction function in a near infrared ray (NIR) pixel may include an active pixel region having a plurality of photodiodes, a plurality of first metal layers, a plurality of color filters, a first NIR pixel and a micro-lens, which are stacked, wherein the plurality of photodiodes are arranged in series and the plurality of color filters are formed to be adjacent to each other in series; an NIR optical black pixel region having a plurality of photodiodes and a second NIR pixel, which are stacked, wherein the plurality of photodiodes are arranged in series; and a visible optical black pixel region having a plurality of photodiodes, a second metal layer, a plurality of color filters and a micro-lens, which are stacked, wherein the plurality of photodiodes are arranged in series, and the plurality of color filters are formed to be adjacent to each other in series, wherein the active pixel region, the NIR optical black pixel region and the visible optical black pixel region are arranged on a same substrate in series."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"4-color pixel image sensor having visible color noise reduction function in near infrared ray pixel","description":"A 4-color pixel image sensor having a visible color noise reduction function in a near infrared ray (NIR) pixel may include an active pixel region having a plurality of photodiodes, a plurality of fir","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9685473","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-9685473","citation_suggestion":"Patentable. \"4-color pixel image sensor having visible color noise reduction function in near infrared ray pixel\" (US-9685473). https://patentable.app/patents/US-9685473","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9685473","json":"https://patentable.app/api/llm-context/US-9685473","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T07:16:22.085Z"}