Organic electrophosphorescence device having interfacial layers
Title
Organic electrophosphorescence device having interfacial layers
Date Issued
2010-08-10
Inventor(s)
Major Field of Science
Engineering and Technology
Field Category
Mechanical Engineering
Date Issued
August 10, 2010
Type
Patents
Application
US 11/238,888
Abstract
Techniques are described for forming an organic light emitting diode device with improved device efficiency. Materials having at least one energy level that is similar to those of a phosphorescent light emitting material in the diode are incorporated into the device to directly inject holes or electrons to the light emitting material.