| 摘要 |
This invention provides a substrate for a light emitting element package that can obtain a sufficient heat dissipation effect from a light emitting element and can also lower the costs and reduce the size as a substrate for packaging the light emitting element, as well as a light emitting element package using the same. The substrate for a light emitting element package includes an insulating layer 1 composed of a resin 1a containing heat conductive fillers 1b, 1c, a thick metal section 2 formed under a mounting position of a light emitting element 4, and a surface electrode section 3 formed on a mounting side of said insulating layer 1 separately from said thick metal section 2.
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