{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11508942","patent":{"patent_number":"US-11508942","title":"OLED display substrate and manufacturing method thereof, OLED display device, and brightness compensation method","assignee":null,"inventors":[],"filing_date":"2020-04-10T00:00:00.000Z","publication_date":"2022-11-22T00:00:00.000Z","cpc_codes":["G09G","G09G","G09G","G09G","G09G","G09G","G09G","G09G"],"num_claims":18,"abstract":"The present disclosure relates to an OLED display substrate including a base substrate, a thin film transistor array layer and a planarization layer on the base substrate, and an anode, a pixel definition layer, a cathode, and a light emitting layer on a side of the planarization layer away from the base substrate, the pixel definition layer defining pixel regions, the light emitting layer being located on a side of the pixel definition layer away from the base substrate. The display substrate further includes a light guide that is in contact with the light emitting layer and is used to lead out light from the light emitting layer, so as to test the led-out light and adjust light emission."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"OLED display substrate and manufacturing method thereof, OLED display device, and brightness compensation method","description":"The present disclosure relates to an OLED display substrate including a base substrate, a thin film transistor array layer and a planarization layer on the base substrate, and an anode, a pixel defini","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11508942","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-11508942","citation_suggestion":"Patentable. \"OLED display substrate and manufacturing method thereof, OLED display device, and brightness compensation method\" (US-11508942). https://patentable.app/patents/US-11508942","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11508942","json":"https://patentable.app/api/llm-context/US-11508942","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T00:36:41.637Z"}