Patent ID: 8215779

Claim:
A projector comprising: a plurality of light source devices each of which has a light source; an image projecting unit which modulates lights emitted from the plurality of light source devices according to image information to form image light, and projects the image light; a power supply device which supplies power to the light source devices; and an outer housing which accommodates the light source devices, the image projecting unit, and the power supply device, wherein: the plurality of light source devices each have a same shape, the plurality of light source devices each include an input plug having a first connecting side facing in a first direction relative to the light source device and a second connecting side facing in a second direction opposite the first direction, a plurality of light source storage units, each of which accommodates the corresponding one of the plurality of light source devices, are provided inside the outer housing, a plurality of openings through which the light source devices are attached and detached in the side direction of the outer housing are formed on the outer housing, a first light source device of the plurality of light source devices is inserted into a first light source storage unit of the plurality of light source storage units through a first opening of the plurality of openings such that the first connecting side of the input plug of the first light source device is engaged with a first output terminal of the power supply, a second light source device of the plurality of light source devices is inserted into a second light source storage unit of the plurality of light source storage units through a second opening of the plurality of openings such that the second connecting side of the input plug of the second light source device is engaged with a second output terminal of the power supply, and the same surfaces of the first and second light source devices are located on the upper sides of the first and second light source devices.