| abstract |
A leadframe or a substrate (10) for an LED is provided with a main body section (11) having the placing surface (11a), on which the LED element (21) is placed. On the placing surface (11a) of the main body section (11), a reflecting metal layer (12) that functions as a reflecting layer for reflecting light emitted from the LED element (21) is provided. The reflecting metal layer (12) is composed of an alloy of platinum and silver or an alloy of gold and silver. With the reflecting metal layer (12), the light emitted from the LED element (21) is efficiently reflected, and the characteristics of reflecting the light emitted from the LED element (21) can be maintained by suppressing corrosion due to a gas. |