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US 9,318,676 B2Granted
Light emitting device and methods for forming the same
AssigneeHuga Optotech Inc.
InventorsTzong-Liang Tsai, Yu-Chu Li, Chiung-Chi Tsai
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Abstract
The present invention provides a light emitting device, which comprises an epitaxial stack structure, a II/V group compound contact layer directly formed on the epitaxial stack structure, a protrusion or recess type structure directly formed on the II/V group compound contact layer, and a conductive layer covering the protrusion or recess type structure.
Claims8
A light-emitting device, comprising:
- an epitaxial stack structure;
- a II/V group compound contact layer directly formed on the epitaxial stack structure;
- a protrusion or recess type structure directly formed on the II/V group compound contact layer;
- and
- a conductive layer covering the protrusion or recess type structure.
2 more elements
Dependencies are inferred from the claim text.