Lg Electronics Inc.

Jang Hyung Cho

Yong Chan Jeong

Young Seok Ko

Seung Woo Seo

Jae Phil Ki

A mobile terminal including a wireless communication unit configured to wirelessly communicate with an Internet Protocol Television (IPTV) terminal and to receive participation information for participating in an interactive service from the IPTV terminal, an output unit configured to output the received participation information for the interactive service, a user input unit configured to receive an input of response information corresponding to the output participation information for the interactive service, and a control unit configured to control the wireless communication unit to transmit the input response information to the IPTV terminal or to a IPTV related server performing the interactive service with the IPTV terminal, and to receive information corresponding to the interactive service.

Mobile terminal, method of participating in interactive service therein, internet protocol television terminal and communication system including the same

A mobile terminal and method of controlling a broadcast therein are disclosed, by which a currently-output broadcast content can be continued to be output despite expiration of a validity term of a broadcast viewing authority. The method includes acquiring a first broadcast viewing authority, receiving and outputting a first broadcast content if the first broadcast viewing authority is acquired, determining whether a validity term of the acquired first broadcast viewing authority expires within a broadcast time of the output first broadcast content, and if the validity term expires within the broadcast time, displaying an image for a purchase of the first broadcast content.

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Seoul, South Korea

Jang Hyung Cho