A side-view type light emitting device capable of effectively releasing heat generated on the surface of the substrate is provided. The side-view type light emitting device 1 comprising a substrate 1-1, a positive surface electrode 1-2, a negative surface electrode 1-3, a light emitting element 1-4, a sealing member 1-5 sealing the light emitting element 1-4, a positive rear surface electrode 1-6, a negative rear surface electrode 1-7, and a short-cut preventing member 1-8. The positive surface electrode 1-2 and the positive rear surface electrode 1-6 are electrically connected via a first through hole 1-9 and the negative surface electrode 1-3 and the negative rear surface electrode 1-7 are electrically connected via a second through hole 1-10.

 
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