| 摘要 |
Disclosed herein are a display device, which can control a user interface being displayed by a user's gaze and touch input, and a controlling method thereof and a controlling method of the same. The method for controlling the display device includes a hierarchical user interface and also includes displaying at least one control interface, detecting a user's gaze selecting one of the displayed control interface, transmitting information for providing a portable device with a sub-control interface of the control interface selected by the user's gaze, to the portable device, and receiving a control signal respective to the selected control interface from the portable device, and executing the received control signal. Herein, the portable device may provide the sub-control interface to a user with tactile feedback, may generate the control signal in accordance with a detected touch input, and may transmit the generated control signal to the display device.
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