A light emitting device (40; 50) comprising: a substrate including a base and a pair of connection terminals (43; 53) at least on a first main surface of the base of the substrate, a light emitting element connected to the connection terminals (43; 53) on the first main surface of the base of the substrate by a molten material , a light reflecting member on the first main surface of the base of the substrate covering the light emitting element , the connection terminals (43; 53) on the first main surface of the base of the substrate each including a protruding portion (43a; 53a) configured to project from a first main surface of the connection terminal (43; 53) on the first main surface of the base of the substrate at a region which is connected to the light emitting element and an outer connection portion configured to connect to an external unit of the light emitting device (40; 50), the protruding portions (43a; 53a) and the molten material being embedded in the light reflecting member , and the outer connection portions not being embedded in the light reflecting member , and insulating members on the first main surface of the base of the substrate disposed to cover at least a portion of the connection terminals (43; 53) on the first main surface of the base of the substrate between the protruding portions (43a; 53a) and the outer connection portions, characterized in that : the insulating members are further disposed to be partly embedded in the light reflecting member , and entire edge portions of the protruding portions (43a; 53a) are separated from edge portions of the connection terminals (43; 53) on the first main surface of the base of the substrate and disposed on an inner side of the connection terminals (43; 53) on the first main surface of the base of the substrate. a substrate including a base and a pair of connection terminals (43; 53) at least on a first main surface of the base of the substrate, a light emitting element connected to the connection terminals (43; 53) on the first main surface of the base of the substrate by a molten material , a light reflecting member on the first main surface of the base of the substrate covering the light emitting element , the connection terminals (43; 53) on the first main surface of the base of the substrate each including a protruding portion (43a; 53a) configured to project from a first main surface of the connection terminal (43; 53) on the first main surface of the base of the substrate at a region which is connected to the light emitting element and an outer connection portion configured to connect to an external unit of the light emitting device (40; 50), the protruding portions (43a; 53a) and the molten material being embedded in the light reflecting member , and the outer connection portions not being embedded in the light reflecting member , and insulating members on the first main surface of the base of the substrate disposed to cover at least a portion of the connection terminals (43; 53) on the first main surface of the base of the substrate between the protruding portions (43a; 53a) and the outer connection portions, characterized in that : the insulating members are further disposed to be partly embedded in the light reflecting member , and entire edge portions of the protruding portions (43a; 53a) are separated from edge portions of the connection terminals (43; 53) on the first main surface of the base of the substrate and disposed on an inner side of the connection terminals (43; 53) on the first main surface of the base of the substrate. <EOS>