Patent ID: 8038301

Claim:
A projector comprising a light source unit, a light source side optical system, a display device, a projection side optical system, and a cooling unit, wherein: an interior of a projector casing is divided into a light source compartment which accommodates the light source unit and which is positioned on an outlet side of the cooling unit, and an inlet side spatial compartment which is positioned on an inlet side of the cooling unit; the light source compartment is covered thereabove by an upper division board; a heat conductive sheet is disposed above the upper division board; an air discharging space for discharging air from the light source compartment to outside of the projector casing is defined between the upper division board and the heat conductive sheet; a heat dissipating space is formed above the heat conductive sheet, between the heat conductive sheet and a panel which forms an upper surface of the projector casing; and the heat conductive sheet is electrically connected to the projector casing.