Apparatus and method for providing augmented reality user interface

[0021]The invention is described more fully hereinafter with reference to the accompanying drawings, in which exemplary embodiments of the invention are shown. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these exemplary embodiments are provided so that this disclosure is thorough, and will fully convey the scope of the invention to those skilled in the art. In the drawings, the size and relative sizes of layers and regions may be exaggerated for clarity. Like reference numerals in the drawings denote like elements.

[0022]Terms used herein are defined in consideration of functions of embodiments, and may be modified according to the purpose and practice of a user or an operator, and thus the definition of the terms used herein should be made based on contents throughout the specification.

[0023]FIG. 1 is a diagram illustrating an apparatus to provide an augmented reality (AR) user inte