| 摘要 |
A light emitting diode apparatus includes a heat dissipating substrate, a composite layer, an epitaxial layer, a first electrode and a second electrode. The composite layer includes a reflective layer, a transparent conductive layer and a patterned insulating thermoconductive layer, which is disposed between the reflective layer and the transparent conductive layer. The composite layer is disposed between the heat dissipating substrate and the epitaxial layer and allows currents to concentrate to the reflective layer or the transparent conductive layer and then to be diffused evenly through the transparent conductive layer. The epitaxial layer includes a first semiconductor layer electrically connected with the first electrode, an active layer and a second semiconductor layer electrically connected with the second electrode.
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