PORTABLE VIDEO DISPLAY DEVICE

摘要

A portable video display device can always display a video of an optimum quality without requiring any complicated operation or increasing the load of the execution of a program on the CPU. The portable video display device comprises application program execution means (41) for selectively executing one of a plurality of application programs installed in advance, video display means (31) for displaying a video corresponding to the application program being executed, image quality adjustment parameter storage means (57) where the luminance of the illumination, the display content, and a plurality of pairs of image quality adjustment parameters to be set for the luminance and display content, and image quality adjusting means (12) for adjusting the image quality of the video displayed on the image display means (31) according to the image quality adjustment parameters which are read out according to the luminance of the illumination and the display content currently displayed on the image display means (31) from the image quality adjustment parameter storage means (57).