{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11469112","patent":{"patent_number":"US-11469112","title":"Display substrate, manufacturing method thereof, display panel, and display device","assignee":null,"inventors":[],"filing_date":"2020-06-30T00:00:00.000Z","publication_date":"2022-10-11T00:00:00.000Z","cpc_codes":["H01L","H01L","H01L","H01L"],"num_claims":16,"abstract":"A display substrate, a manufacturing method thereof, a display panel, and a display device are provided. The method for manufacturing a display substrate includes: forming a thin film transistor on a base substrate; forming a planarization layer covering the thin film transistor; forming a metal mask layer on the planarization layer; patterning the metal mask layer to form an etching hole in the metal mask layer, the etching hole exposing a portion of the planarization layer; etching the portion of the planarization layer exposed by the etching hole to form a first via hole penetrating the planarization layer, and removing a remaining metal mask layer on the planarization layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Display substrate, manufacturing method thereof, display panel, and display device","description":"A display substrate, a manufacturing method thereof, a display panel, and a display device are provided. The method for manufacturing a display substrate includes: forming a thin film transistor on a ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11469112","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-11469112","citation_suggestion":"Patentable. \"Display substrate, manufacturing method thereof, display panel, and display device\" (US-11469112). https://patentable.app/patents/US-11469112","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11469112","json":"https://patentable.app/api/llm-context/US-11469112","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T11:51:58.385Z"}