Pseudomorphic electronic and optoelectronic devices having planar contacts

US11251330B2 · kind B2 · utility

Assignee

• CRYSTAL IS, INC. · US

Inventors

• James R. Grandusky · Pleasantdale, US
• Leo J. Schowalter · Latham, US
• Muhammad Jamil · Watervliet, US
• Mark C. Mendrick · Albany, US
• Shawn R. Gibb · Huntersville, US

Key dates

• Filing date: Mar 3, 2017
• Grant date: Feb 15, 2022
• Expiry date: Feb 15, 2039

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10H20/833

Abstract

In various embodiments, light-emitting devices incorporate smooth contact layers and polarization doping (i.e., underlying layers substantially free of dopant impurities) and exhibit high photon extraction efficiencies.