{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-11994762","patent":{"patent_number":"US-11994762","title":"Liquid crystal handwriting board, handwriting device, and method for controlling handwriting device","assignee":null,"inventors":[],"filing_date":"2021-10-14T00:00:00.000Z","publication_date":"2024-05-28T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F","G02F","G02F","G02F"],"num_claims":18,"abstract":"Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, and a drive assembly electrically connected to the liquid crystal panel; wherein the liquid crystal panel includes: a first substrate and a second substrate that are opposite to each other, and a liquid crystal layer disposed between the first substrate and the second substrate; and the drive assembly is configured to apply, based on position information of a region to be erased, a pixel voltage to a pixel electrode in the region to be erased in the case that the liquid crystal handwriting board is in an erasing mode, such that a voltage difference is developed between the pixel electrode in the region to be erased and the common electrode."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Liquid crystal handwriting board, handwriting device, and method for controlling handwriting device","description":"Provided is a liquid crystal handwriting board. The liquid crystal handwriting board includes: a liquid crystal panel, and a drive assembly electrically connected to the liquid crystal panel; wherein ","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-11994762","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-11994762","citation_suggestion":"Patentable. \"Liquid crystal handwriting board, handwriting device, and method for controlling handwriting device\" (US-11994762). https://patentable.app/patents/US-11994762","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-11994762","json":"https://patentable.app/api/llm-context/US-11994762","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T11:56:10.705Z"}