PDF File Sony LED TV KDL-50EX645 Internet TV Marketing Specifications . 50″ (diag.) Sony LED EX645 Internet TV. Nothing expresses crystal-clear detail like Full HD 1080p picture quality. It’s the highest in-home resolution available and takes advantage of the all-out HD glory of broadcast TV, satellite and other HD sources like your Blu-ray Disc™ player or PlayStation® 3 entertainment system.