{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9790428","patent":{"patent_number":"US-9790428","title":"Piperidine derivative, liquid crystal composition and liquid crystal display device","assignee":null,"inventors":[],"filing_date":"2016-11-30T00:00:00.000Z","publication_date":"2017-10-17T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F"],"num_claims":17,"abstract":"Provided is a compound having an effect on preventing photolysis of a liquid crystal composition and having a high solubility in the liquid crystal composition, a liquid crystal composition containing the compound and a liquid crystal display device including the composition. The compound is represented by formula (1), the liquid crystal composition contains the compound, and the liquid crystal display device uses the composition:wherein in formula (1), R1, R2, R3 and R4 are independently hydrogen or alkyl having 1 to 4 carbons; R5 is hydrogen, hydroxy, oxy radical, alkyl having 1 to 10 carbons or alkoxy having 1 to 10 carbons; ring A1 is 1,4-cyclohexylene, 1,4-cyclohexenylene or the like; Z1 and Z2 are independently a single bond or alkylene having 1 to 10 carbons; and a is 0, 1, 2 or 3."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Piperidine derivative, liquid crystal composition and liquid crystal display device","description":"Provided is a compound having an effect on preventing photolysis of a liquid crystal composition and having a high solubility in the liquid crystal composition, a liquid crystal composition containing","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9790428","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-9790428","citation_suggestion":"Patentable. \"Piperidine derivative, liquid crystal composition and liquid crystal display device\" (US-9790428). https://patentable.app/patents/US-9790428","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9790428","json":"https://patentable.app/api/llm-context/US-9790428","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:09:06.601Z"}