| 摘要 |
Disclosed are a video display appliance having a function of varying a screen ratio of a main picture to a sub-picture depending upon a position of a user when a twin picture function is provided, and a control method thereof. The video display appliance includes a channel selection unit for selecting a channel which transmits data displayed on a main picture region and a sub-picture region, a video processing unit for processing the data transmitted from the channel tuned by the channel selection unit as a signal to be displayed on the main picture region or the sub-picture region, a position detecting unit, disposed at a center of the video display appliance, for detecting a position of a remote controller, a control unit for outputting a control signal to vary the screen ratio of the main picture to the sub-picture in response to position information of the remote controller inputted from the position detecting unit, and a scaler for outputting video signals outputted corresponding to the main picture and the sub-picture from the video processing unit according to the varied screen ratio, in response to the control signal inputted from the control unit.
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