This invention provides a digital photo frame device, wherein a buffer unit temporarily stores TV signals to be displayed or processed, a compression/decompression engine is coupled to the buffer unit for compressing TV signals into an image file or decompressing an image file into TV signals, a video processor displays the TV signals on a display unit, and an OSD clock display unit records the current time and stores an OSD time pattern in advance. The OSD clock display unit determines a real-time clock pattern to be displayed and the position of the display, according to the recorded current time and the corresponding OSD time pattern selected when the video processor displays a pre-determined clock background pattern so that the clock background pattern and the real-time clock pattern overlying over the clock background pattern are displayed on the video display in an OSD fashion.