Integrating active matrix inorganic light emitting diodes for display devices

US8912020B2 · kind B2 · utility

Assignee

• International Business Machines Corporation · US

Inventors

• Stephen W. Bedell · Wappingers Falls, US
• Bahman Hekmatshoartabari · White Plains, US
• Devendra K. Sadana · Pleasantville, US
• Ghavam G. Shahidi · Pound Ridge, US
• Davood Shahrjerdi · Brooklyn, US

Key dates

• Filing date: Nov 23, 2011
• Grant date: Dec 16, 2014
• Expiry date: Dec 4, 2032

Classification

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

Abstract

A method of forming an active matrix, light emitting diode (LED) array includes removing, from a base substrate, a layer of inorganic LED material originally grown thereupon; and bonding the removed layer of inorganic LED material to an active matrix, thin film transistor (TFT) backplane array.