Patent ID: 7015512

Claim:
A high power flip chip Light Emitting Diode (LED) comprising: a rectangular sapphire substrate; an n-doped semiconductor layer formed on the sapphire substrate, and having a plurality of first regions and a second region of intersecting lines extended through the first regions to separate the first regions from each other; a plurality of p-doped semiconductor layers formed respectively on the first regions of the n-doped semiconductor layer to form mesa structures having corners, at least one pair of diagonal corners of the respective mesa structures being rounded inward to form first basins between adjacent inward-rounded corners; first metal layers formed respectively on the mesa structures in a same configuration; a second metal layer formed on the second region of the n-doped semiconductor layer; a plurality of first ohmic contacts formed respectively on the first metal layers; and a plurality of second ohmic contacts formed respectively on the second metal layer in the first basins.