Display device and controlling method thereof

A display device and a control method thereof are provided; the display device (100a) including a wireless communication unit (110) configured to provide wireless communication; a touch screen; a user input unit (123) configured to receive an input of identification information for a user authentication; and a controller (180) configured to launch a first mode for performing a general payment function in response to the input identification information matching stored identification information, display on the touch screen a display object containing payment card information in the first mode, and switch from the first mode to a second mode for performing a separate processing mode in response to a preset first touch gesture on the touch screen. 本发明涉及种显示设备及其控制方法。显示设备包括：无线通信单元，该无线通信单元被配置成提供无线通信；触摸屏；用户输入单元，该用户输入单元被配置成接收用于用户验证的识别信息的输入；和控制器，该控制器被配置成：响应于所输入的识别信息匹配被存储的识别信息，启动用于执行般支付功能的第模式，在第模式下在触摸屏上显示包含支付卡信息的显示对象，并且响应于在触摸屏上的预设的第触摸手势从第模式切换到用于执行单独处理模式的第二模式。