MULTI-SCREEN SERVICE PLATFORM FOR SUPPORTING A DIGITAL BROADCASTING TV NETWORK

摘要

The present invention relates to a mobile phone used in a multi-screen service system comprising a digital broadcasting TV network and a cellular mobile communication network, the mobile phone is connected to the digital broadcasting TV network and the cellular mobile communication network, said mobile phone comprises: detecting module, configured to detect if there is another display with valid connection, when receiving common definition video content through the digital broadcasting TV network or the cellular mobile communication network; and switching module, in case another display with a valid connection is detected, configured to switch said common definition video to a higher definition video having the same video content if the higher definition video corresponding to the common definition video exists and play the higher definition version of the video content on said another display, and configured to play said common definition video on said another display if on higher definition video corresponding to the common definition video exists.