Patent ID: 8112124

Claim:
An electronic device for rapidly displaying pictures, the electronic device comprising: a display screen; a storage system comprising a first memory and a second memory, wherein the first memory stores raw data of pictures, the second memory stores processed data of pictures that have been displayed on the display screen; at least one processor; and a rapid display unit stored in the storage system and being executable by the at least one processor, the rapid display unit comprising: a receiving module to receive an identifier of a picture to be displayed on the display screen, the identifier received from an input device of the electronic device; a determining module to determine if processed data of the picture exists in the second memory according to the identifier; a retrieving module to retrieve the processed data of the picture from the second memory if the processed data of the picture exists in the second memory; a decoding module to retrieve raw data of the picture from the first memory if processed data of the picture does not exist in the second memory, generate the processed data of the picture by decoding the retrieved raw data, and store the generated processed data into the second memory; and a display module to display the picture on the display screen according to the processed data.