Sharp Showcases Its 4K PNUH Series of Commercial Displays With Built-In Digital Tuners Stephen Brauner reports from Digital Signage Expo 2019 to review the new 4K PNUH series of commercial displays with built-in digital tuners. Tags: Professional Displays Related Videos Encouraging Student Participation with the Sharp AQUOS BOARD® PN-C Series Sharp's Modern Office Idaho College of Osteopathic Medicine [Success Story] Sharp Unveils Its 80″ 8K Display From The Outside Looking In - InfoComm 2018