| CPC H04N 9/3144 (2013.01) [F21V 29/56 (2015.01); F21V 29/773 (2015.01); H04N 9/3164 (2013.01)] | 16 Claims |
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1. A light source device comprising:
a light source module including a plurality of substrates on which light emitting elements are disposed;
a plurality of heat receiving plates coupled to the light source module; and
a cooling plate coupled to each of the plurality of heat receiving plates, cooling liquid flowing on an inside of the cooling plate, wherein
the cooling plate includes:
an inflow section provided in a part in a first direction extending along an end portion, the cooling liquid flowing into the inflow section;
an outflow section provided in a part in an opposite direction of the first direction with respect to the part, the cooling liquid flowing out from the outflow section;
an upstream-side flowing section in which the cooling liquid having flowed in from the inflow section flows in a second direction orthogonal to the first direction;
a downstream-side flowing section in which the cooling liquid having flowed in the upstream-side flowing section flows in an opposite direction of the second direction; and
a plurality of heat transfer sections provided in at least one flowing section of the upstream-side flowing section and the downstream-side flowing section and disposed side by side in the second direction,
the plurality of heat transfer sections include:
a plurality of fins extending along the second direction and arrayed along the first direction; and
a plurality of channels provided among the plurality of fins, the cooling liquid flowing in the plurality of channels,
the plurality of heat receiving plates are disposed along the second direction to correspond to the at least one flowing section, and
the plurality of heat transfer sections are separated from one another in positions corresponding to positions among the plurality of heat receiving plates in the second direction.
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