Patent ID: 8836641

Claim:
A head mounted display (HMD), comprising: a display unit configured to display an image; a camera unit configured to recognize opening/closing of eyes of a user wearing the HMD; a communication unit configured to transmit/receive data; and a processor configured to control the display unit, the camera unit, and the communication unit, the processor is further configured to: detect generation of an event, determine whether the event corresponds to a first update information or a second update information, recognize a condition to update a first object corresponding to the first update information when the event corresponds to the first update information or to update a second object corresponding to the second update information when the event corresponds to the second update information, wherein the first update information is updated in a first condition that the user closes the eyes and the second update information is updated in a second condition that the user opens the eyes, the first update information and the second update information being different, update the first object corresponding to the first update information in the first condition, and update the second object corresponding to the second update information in the second condition.