PORTABLE VIDEO DISPLAY DEVICE

摘要

It is one objective of the present invention to provide a portable video display apparatus for which the optimum picture quality can always be provided, without a complicated operation being required and without the load imposed on a CPU being increased by the execution of a program. <??>According to the present invention, aportable video display apparatus comprises: application program execution means (41) for selectively executing one of multiple application programs mounted in advance; video display means (31) for displaying a picture corresponding to an application program that currently is being executed; image quality adjustment parameter storage means (57) for storing in advance multiple sets of the luminescent luminance, contents to be displayed and an image quality adjustment parameter that is to be set, while correlating the luminescent luminance and the contents with the image quality adjustment parameter; and image quality adjustment means (12) for employing an image quality adjustment parameter that is read, from the image quality adjustment parameter storage means (57), in accordance with the luminescent luminance of the light and the current contents displayed on the video display means (31), to adjust the quality of a picture displayed on the video display means (31). <IMAGE>