Image display unit

摘要

The invention is intended to change the viewing angle in accordance with a viewer's intention. Disposed between a light source ( 810 ) and a liquid crystal display panel ( 804 ), a Fresnel lens ( 812 ) converts light coming from the light source ( 810 ) to approximately parallel light and allows plural images to be displayed to different positions. The light source ( 810 ) is configured in such a manner that lighting positions and lighting regions can be changed. Lighting control means for changing the lighting positions or lighted regions of the light sources ( 810 ) is provided.