OLED device

US7250722B2 · kind B2 · utility

Assignee

• EASTMAN KODAK COMPANY · US

Inventors

• Ronald S. Cok · Rochester, US
• Michael E. Miller · Honeoye Falls, US
• Andrew D. Arnold · Hilton, US

Key dates

• Filing date: Jun 20, 2005
• Grant date: Jul 31, 2007
• Expiry date: Oct 10, 2025

Classification

• Technology area (CPC H): Electricity
• CPC primary: H10K59/32

Abstract

An OLED device, comprising, a first layer of independently addressable light emitting elements; and a second layer of independently addressable light emitting elements located on top of the first layer; wherein one of the first and second layers of independently addressable light emitting elements comprises a patterned array of red and blue light emitting elements, and the other of the first and second layers of independently addressable light emitting elements comprises an array of green light emitting elements.