Abstract: A projector includes a light source unit, a light source side optical system which includes a color wheel and a light guiding unit, a display device, a projection side optical system, a cooling fan, and a projector control unit. An interior of a projector casing is divided into an outlet side spatial compartment which is positioned on an outlet side of the cooling fan and in which the light source unit is disposed and an inlet side spatial compartment which is positioned on an inlet side of the cooling fan. The outlet side spatial compartment is covered thereabove by an upper division board, above which a heat conductive sheet which is formed of an aluminum sheet is disposed. The heat conductive sheet is electrically connected to the projector casing, so that electricity charged in the heat conductive sheet can be discharged.

Abstract: A projector includes a light source unit, a light source side optical system which includes a color wheel and a light guiding unit, a display device, a projection side optical system, a cooling fan, and a projector control unit. An interior of a projector casing is divided into an outlet side spatial compartment which is positioned on an outlet side of the cooling fan and in which the light source unit is disposed and an inlet side spatial compartment which is positioned on an inlet side of the cooling fan. The outlet side spatial compartment is covered thereabove by an upper division board, above which a heat conductive sheet which is formed of an aluminum sheet is disposed. The heat conductive sheet is electrically connected to the projector casing, so that electricity charged in the heat conductive sheet can be discharged.

Abstract: A projector includes a light source unit, a light source side optical system which includes a color wheel and a light guiding unit, a display device, a projection side optical system, a cooling fan, and a projector control unit. An interior of a projector casing is divided into an outlet side spatial compartment which is positioned on an outlet side of the cooling fan and in which the light source unit is disposed and an inlet side spatial compartment which is positioned on an inlet side of the cooling fan. The outlet side spatial compartment is covered thereabove by an upper division board, above which a heat conductive sheet which is formed of an aluminum sheet is disposed. The heat conductive sheet is electrically connected to the projector casing, so that electricity charged in the heat conductive sheet can be discharged.

Abstract: A projector includes a light source unit, a light source side optical system, a display device for producing a projected image to be projected, a projection side optical system for projecting the projected image produced by the display device, a blower acting as a cooling fan for cooling the light source unit, an exhaust air temperature reducing unit for reducing the temperature of highly heated air which results from the cooling of the light source unit by the cooling fan, and exhaust vents for expelling exhaust air from the exhaust air temperature reducing unit to the outside. The exhaust air temperature reducing unit is made up of a heat pipe and fins.

Abstract: According to the invention, there is provided a projector having a light source unit 63, a light source side optical system which includes a color wheel and a light guiding unit, a display device, a projection side optical system and a cooling fan and comprising a projector control unit, wherein an interior of a projector casing is divided into an outlet side spatial compartment 122 which is positioned on an outlet side of the cooling fan and in which the light source unit 63 is disposed and an inlet side spatial compartment which is positioned on an inlet side of the cooling fan. In addition, this outlet side spatial compartment 122 is covered thereabove by an upper division board 125 above which a heat conductive sheet 128 which is formed of an aluminum sheet is disposed. Further, this heat conductive sheet 128 is electrically connected to the projector casing, so that electricity charged in the heat conductive sheet 128 can be discharged.

Abstract: A projector of the invention is a projector including a light source unit 63, a light source side optical system 61, a display device 51 for producing a projected image to be projected, a projection side optical system 62 for projecting the projected image produced by the display device 51, a blower 110 acting as a cooling fan for cooling the light source unit 63, an exhaust air temperature reducing unit 114 for reducing the temperature of highly heated air which results from the cooling of the light source unit 63 by the cooling fan, and exhaust vents for expelling exhaust air from the exhaust air temperature reducing unit 114 to the outside, where in the exhaust air temperature reducing unit 114 is made up of a heat pipe 115 and fins 116.