Patent ID: 7364327

Claim:
A projection type display unit comprising: an electric power source; a light source unit; a polarization conversion element for collecting polarization directions of light beams from the light source unit; a light valve that modulates the light beams from the polarization conversion element; a sirocco fan arranged above or below the light valve and comprising an air intake port and an air exhaust port; a projection lens for projecting light modulated by the light valve; a housing including at least air intake port and an exhaust port; a first wind path formed at a first region including the light source unit; a second wind path formed at a second region different from the first region and including at least the light valve and the electric power source unit; and a duct arranged in the second wind path adjacent the air exhaust port of the sirocco fan and for dividing air from the air exhaust port of the sirocco fan into at least a first direction and a second direction.