US Patent 10461223 Semiconductor device
Patent 10461223 was granted and assigned to Epistar on October, 2019 by the United States Patent and Trademark Office.
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A semiconductor device includes a semiconductor stack comprising a surface, and an electrode structure comprises an electrode pad formed on the surface, and the electrode structure further comprises a first extending electrode, a second extending electrode and a third extending electrode connecting to the electrode pad. The first extending electrode is closer to a periphery of the surface than the third extending electrode is, and the second extending electrode is between the first extending electrode and the third extending electrode. From a top view of the semiconductor device, the first extending electrode, the second extending electrode and the third extending electrode respectively include a first curve having a first angle θ1, a second curve having a second angle θ2 and a third curve having a third angle θ3, wherein θ3>θ2>θ1 .
US Patent 10461223 Semiconductor device
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