LEDs with efficient electrode structures

US9105815B2 · kind B2 · utility

Assignee

• Bridgelux, Inc. · US

Inventors

• Frank Shum · Sunnyvale, US
• William W. So · Sunnyvale, US
• Steven D. Lester · Palo Alto, US

Key dates

• Filing date: Nov 11, 2012
• Grant date: Aug 11, 2015
• Expiry date: Nov 11, 2032

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/857

Abstract

Aspects include Light Emitting Diodes that have a GaN-based light emitting region and a metallic electrode. The metallic electrode can be physically separated from the GaN-based light emitted region by a layer of porous dielectric, which provides a reflecting region between at least a portion of the metallic electrode and the GaN-based light emitting region.