Light-emitting device
AssigneeEpistar Corporation
InventorsChien-Fu Huang, Min-Hsun Hsieh, Chih-Chiang Lu, Chia-Liang Hsu, Shih-I Chen
Life of this patent
Estimating the term…
Abstract
A light-emitting device comprising a semiconductor light-emitting stack, comprising a light emitting area; an electrode formed on the semiconductor light-emitting stack, wherein the electrode comprises a current injected portion and an extension portion; a current blocking structure formed between the current injected portion and the semiconductor light-emitting stack, and formed between a first part of the extension portion and the semiconductor light-emitting stack; and an electrical contact structure formed between a second part of the extension portion and the semiconductor light-emitting stack.
Claims13
A light-emitting device, comprising:
- a semiconductor light-emitting stack having an edge and outer surfaces;
- a current injected portion formed on the semiconductor light-emitting stack;
- an electrical contact structure, formed on the semiconductor light-emitting stack and separated from the current injected portion, having a segment extending along the edge;
- and
- an extension portion electrically connecting the current injected portion with the electrical contact structure, and having a first branch and a second branch;
- wherein the segment is wider than the first branch and entirely covered by the second branch.
Dependencies are inferred from the claim text.