{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-8488090","patent":{"patent_number":"US-8488090","title":"Backlight unit and display apparatus employing the same","assignee":null,"inventors":[],"filing_date":"2011-10-13T00:00:00.000Z","publication_date":"2013-07-16T00:00:00.000Z","cpc_codes":["G02F","G02F","G02F","G02F"],"num_claims":20,"abstract":"A backlight unit including a light source; and a liquid crystal panel. The liquid crystal panel includes a first substrate which guides light incident from the light source disposed at at least one side of the first substrate; a transparent electrode disposed on a surface of the first substrate; a second substrate; a reflective electrode disposed on a surface of the second substrate facing the transparent electrode; a liquid crystal layer disposed between the transparent electrode and the reflective electrodes; and a transparent film disposed between the transparent electrode and the reflective electrodes, the transparent film including a surface contacting the liquid crystal layer and patterned with grooves or ribs , and having a refractive index corresponding to at least one of an ordinary refractive index and an extraordinary refractive index of liquid crystals of the liquid crystal layer."},"analysis":{"summary":null,"layman_explanation":null,"technical_analysis":null,"business_analysis":null,"faqs":null,"topics":[],"tech_cluster":null},"seo":{"title":"Backlight unit and display apparatus employing the same","description":"A backlight unit including a light source; and a liquid crystal panel. The liquid crystal panel includes a first substrate which guides light incident from the light source disposed at at least one si","keywords":[]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-8488090","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-8488090","citation_suggestion":"Patentable. \"Backlight unit and display apparatus employing the same\" (US-8488090). https://patentable.app/patents/US-8488090","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-8488090","json":"https://patentable.app/api/llm-context/US-8488090","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-05-31T05:14:25.734Z"}