Radiation emitting device
Title
Radiation emitting device
Date Issued
2013-12-17
Inventor(s)
Major Field of Science
Engineering and Technology
Field Category
Mechanical Engineering
Date Issued
December 17, 2013
Rights
OSRAM Opto Semiconductors GmbH
Type
Patents
Application
13/407,558
Affiliation
Abstract
A radiation emitting device comprising a first electrode, which emits first charge carriers having a first charge during operation, a first charge carrier transporting layer, which comprises a fluorescent substance, a second charge carrier transporting layer, which contains a phosphorescent substance, and a second electrode, which emits second charge carriers having a second charge during operation, wherein during operation the second charge carrier transporting layer is largely free of first charge carriers.