Osd display control program product, osd display control method, and osd display device

An OSD display control method of controlling OSD display of an image display device having a display screen, wherein

• the image display device includes a region ratio storage section storing, as region ratio information, the ratio of the pixel number of a region to the total pixel number of the display screen, the region in which the OSD display is performed, and
• the OSD display control method comprises:
• a total pixel number obtaining step of obtaining total pixel number information indicating the total pixel number of the display screen;
• a region ratio obtaining step of obtaining the region ratio information from the region ratio storage section;
• and
• a region pixel number determination step of determining, based on the total pixel number information and the region ratio information, the pixel number of the region in which the OSD display is performed.

An OSD display device displaying an arbitrary image or character on a display screen as OSD display, the OSD display device comprising:

• a total pixel number input section inputting total pixel number information indicating the total pixel number of the display screen;
• a region ratio storage section storing, as region ratio information, the ratio of the pixel number of a region to the total pixel number of the display screen, the region in which the OSD display is performed;
• and
• a region pixel number determination section determining, based on the total pixel number information and the region ratio information, the pixel number of the region in which the OSD display is performed.