A method and an apparatus for displaying the viewing time and TV ratings based on a viewer grade, wherein information on the TV ratings and viewing time is indicated using lamps provided in the external case of the display apparatus. The display apparatus includes an information-analysis unit that analyzes the viewer grade based on user information inputted by a user of the display apparatus and TV ratings by extracting program information from signals broadcasted by a broadcasting station, a ratings-comparison unit that compares the viewer grade with the TV ratings, and a lamp-control unit that lights lamps according to the comparison result. |