{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8487913","patent":{"patent_number":"US-8487913","title":"Area sensor, liquid crystal display unit, and position detection method","assignee":null,"inventors":[],"filing_date":"2009-10-16T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["G06F","G02F","G02F","G06F","G02F"],"num_claims":8,"abstract":"A liquid crystal display unit of the present invention includes a liquid crystal panel in which an optical sensor for detecting the intensity of light entered from a front side thereof is incorporated, a backlight that emits light onto the liquid crystal panel from a rear side, and a polarizing reflection plate that is disposed between the liquid crystal panel and a front side polarizing plate so as to transmit a component of light emitted from the backlight and transmitted through the liquid crystal panel that oscillates in a direction parallel to the transmission axis of the front side polarizing plate, and to reflect a component of the light that oscillates in a direction perpendicular to the transmission axis."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Area sensor, liquid crystal display unit, and position detection method","description":"A liquid crystal display unit of the present invention includes a liquid crystal panel in which an optical sensor for detecting the intensity of light entered from a front side thereof is incorporated","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8487913","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-8487913","citation_suggestion":"Patentable. \"Area sensor, liquid crystal display unit, and position detection method\" (US-8487913). https://patentable.app/patents/US-8487913","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8487913","json":"https://patentable.app/api/llm-context/US-8487913","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-30T23:28:50.673Z"}