Provided are an image display apparatus and method capable of visually improving a sense of contrast by adjusting contrast and a light source to have correlation. The temple sections are soldered or welded to the ends of the lens attachment segments. The thick insulative layer separates the trench gate from the drain region at the bottom of the trench yielding a reduced gate-to-drain capacitance making such MOSFETs suitable for high frequency applications. The spatial mode encoder is configured to encode the image data into packets by organizing the image data in accordance with a spatial partitioning. The table control section includes a registering means which registers the acquired table, a deleting means which deletes the table and a managing means which updates and manages the table.