Light emitted from a light source is converted to predetermined linear y polarized light by a polarizing separation filter and a first polarizing plate and is irradiated on a liquid crystal display. The liquid crystal display uses a low-temperature poly silicon TFT, and has a wide viewing angle. The liquid crystal display utilizes aluminum for a pixel electrode which functions as a reflection layer. The light reflected by the liquid crystal display is irradiated on a screen through a second polarizing plate and a projector lens.