| 摘要 |
A light emitting device includes a light transmissive substrate, a semiconductor layer formed on the substrate, and having an n-type layer, a light emitting layer, and a p-type layer, a reflective electrode formed on the semiconductor layer, and reflecting light from the light emitting layer toward the substrate, a barrier electrode formed on the reflective electrode, and a cover electrode formed on the barrier electrode. The reflective electrode includes a Ag layer, the cover electrode includes an layer, and the barrier electrode reduces interdiffusion between Ag and Al.
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