| 摘要 |
PROBLEM TO BE SOLVED: To provide a light-emitting device which has superior reliability and can emit light of high luminance. SOLUTION: The light-emitting device has a light-emitting element and a metal package, which has a recessed part where the light-emitting element is stored and at least one through-hole penetrated in the bottom surface of the recessed part along the thickness and also has a lead electrode inserted into the through-hole via an insulator; and the top surface of the recessed part has a collar part in the outward direction. |
