Input device and mobile device having the same

A mobile device comprising:

• a body including a case;
• an input device located in the body, the input device including:
• at least one button unit formed of a light permeable material, the button unit having a perimeter;
• a button support member connected to the at least one button unit, the button support member extending beyond the perimeter of the at least one button unit, and the button support member being formed of a non-mineral material;
• a sensor corresponding to the at least one button unit, the sensor being located in the body;
• a display module located to be spaced from the sensor in a lengthwise direction of the main body, the display module having a screen visible from the exterior of the body;
• a window formed of a mineral material being a light permeable material, the window being located opposite the display module, the window having a front surface defining an exterior of the mobile device, and the window having a rear surface opposite the front surface;
• a window support member connected to the window and contacting a portion of the body to prevent the window from being separated from the body, the window support member being formed of a material different than the window;
• and
• an adhesive layer connecting the window to the window support member, the adhesive layer being located between the rear surface of the window and the window support member,
• wherein the window support member is formed along edges of the window and has a through hole configured to face the display module, and
• wherein the window is disposed at the through hole such that the front surface of the window is exposed to the outside of the mobile device, the window support member is configured to support the rear surface of the window by having a portion of the window support member disposed beneath the rear surface, and the window support member is directly mounted at the case.