DOOR PHONE APPARATUS FOR A DUAL MONITOR TYPE KITCHEN TELEVISION AND OPERATING METHOD THEREOF

Provided is a dual monitor type television (TV) door phone device for a kitchen, which has TV, radio, and door phone functions, and a method of operating the same. The dual monitor type TV door phone includes: a body panel including a first monitor for outputting an image on a front surface; an auxiliary panel including a second monitor for outputting the image on a front surface, and capable of foldable movement by being hinged to a bottom surface of the body panel; and a gravitational location sensor detecting a moved location of the auxiliary panel and controlling power supply to the second monitor according to the moved location. According to the dual monitor type TV door phone and the method, since a door phone image for displaying a visitor can be immediately checked through the first monitor installed in front of the body panel even when the foldable second monitor installed at the bottom surface of the body panel is horizontally folded below the body panel, not only utility convenience is increased but also a space occupied by the second monitor is removed, thereby increasing space usability.