Patent ID: 8520008

Claim:
A picture display device which receives a broadcast signal including a picture signal, the picture display device comprising: a display unit which displays a picture based on the picture signal included in the broadcast signal; a display control unit which displays a picture for an electronic program guide including characters on the display unit based on program information included in the broadcast signal; and a brightness information retriever which retrieves brightness information of the picture displayed on the display unit; wherein the display control unit automatically decreases the size of the characters in the picture of the electronic program guide displayed on the display unit without changing the display area size of the picture of the electronic program guide on the display unit when the brightness information retrieved by the brightness information retriever indicates a relatively high brightness, and wherein the display control unit automatically increases the size of the characters in the picture of the electronic program guide displayed on the display unit without changing the display area size of the picture of the electronic program guide on the display unit when the brightness information retrieved by the brightness information retriever indicates a relatively low brightness.