| 摘要 |
PURPOSE: A light source module is provided to efficiently emit heat generated from a light emitting device to the outside by forming a through hole on a substrate on which a lead frame and a light emitting device package are mounted. CONSTITUTION: A substrate includes a first through hole formed in a thickness direction. Lead frames(21,22) include a second through hole(21a) formed in the thickness direction. A light emitting device(10) is arranged on the lead frame. The light emitting device is electrically connected to the lead frame through a wire(W). A package body(30) fixes a pair of lead frames. A sealing portion(40) seals the light emitting device.
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