Organic electroluminescent devices are becoming increasingly important because of their
potential applications for large area flat-panel displays and general lighting. The internal …

The large amount of light emitted from a light emitting diode (LED) being trapped inside the
semiconductor structure is the consequence of the large value of the refractive index. The …

This book provides an overview of the newly emerged and highly interdisciplinary field of
printed electronics Provides an overview of the latest developments and research results in …

Extremely high light out-coupling efficiency from a transparent organic light-emitting diode
integrated with microstructures on both sides of the device is reported. The metal free device …

Defective silica sphere arrays having locally hexagonal‐closed‐packed structure but lack of
long range ordering were incorporated into organic light emitting diodes as grating to extract …

White organic light-emitting diodes (WOLEDs) hold great promise for the fabrication of highly
efficient, large-area, and flexible lighting sources. Achieving both high luminous efficiency …

An industrial-grade polyethylene naphthalate (PEN) substrate is explored as a simple, cost-
effective platform for high-efficiency organic light-emitting diodes (OLEDs). Its high refractive …

This review covers experimental results of evaporative lithography and analyzes existing
mathematical models of this method. Evaporating droplets and films are used in different …

A simple and efficient method to fabricate light extraction layers is demonstrated by utilizing
the phase separation of two polymer blends to enhance the light out‐coupling efficiency of …

The solid‐state lighting sources require high efficiency and high‐quality illumination at the
same time. Here, highly efficient white organic light emitting diodes (WOLEDs) comparable …