{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8467018","patent":{"patent_number":"US-8467018","title":"Color filter and liquid crystal display device","assignee":null,"inventors":[],"filing_date":"2011-01-03T00:00:00.000Z","publication_date":"2013-06-18T00:00:00.000Z","cpc_codes":["G02F"],"num_claims":5,"abstract":"Disclosed is a liquid crystal display device including a liquid crystal cell provided with a color filter, a pair of polarizing plates arranged on both outside surfaces of the liquid crystal cell, and an optical compensation layer disposed inside of each polarizing plate, wherein, when a chromaticity (u, v) represented in CIE1960 color system is measured in a black state of the liquid crystal display device, a color difference Δuv given by equation (1) described below is 0.02 or less in an range of 0<θ≦60:Δuv=[{u(⊥)−u(θ)}2+[{v(⊥)−v(θ)}2]1/2  (1)wherein (u(⊥), v(⊥)) is chromaticity as viewed from a vertical direction and (u(θ), v(θ)) is chromaticity as viewed from a direction inclined at an angle of θ degrees with a direction of a normal line of a display surface."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Color filter and liquid crystal display device","description":"Disclosed is a liquid crystal display device including a liquid crystal cell provided with a color filter, a pair of polarizing plates arranged on both outside surfaces of the liquid crystal cell, and","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8467018","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-8467018","citation_suggestion":"Patentable. \"Color filter and liquid crystal display device\" (US-8467018). https://patentable.app/patents/US-8467018","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8467018","json":"https://patentable.app/api/llm-context/US-8467018","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:03:49.526Z"}