Patent ID: 9298009
Filing Date: 2016-03-29
CPC Classification: G02B,G06F

Claim Text:
1. A wearable display device, comprising: a display unit configured to display at least one image; a gaze sensor unit configured to track a gaze of a wearer of the wearable display device; and a processor configured to control the display unit and the gaze sensor unit, wherein the processor is further configured to: set a first visual field area corresponding to a front visual field of the wearer using the gaze sensor unit, calculate a first value by keeping a score of the first visual field area from which a reference display area on the display unit is excluded, set a second visual field area around a center of the reference display area, calculate a second value by keeping a score of the second visual field area where the reference display area is excluded from an overlapped area between the first visual field area and the second visual field area, allocate predetermined weighted values to the first visual field area, calculate the first value by summing up the predetermined weighted values allocated to the first visual field area other than the reference display area, allocate the predetermined weighted values to the second visual field area, and calculate the second value by summing up the predetermined weighted values allocated to the second visual field area where the reference display area is excluded from the overlapped area between the first visual field area and the second visual field area, determine a display area on the display unit based on the first value and the second value.