Enhancement of light extraction from light emitting diodes

AI Zhmakin - Physics Reports, 2011 - Elsevier
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 …

Near-infrared organic light-emitting diodes with very high external quantum efficiency and radiance

K Tuong Ly, RW Chen-Cheng, HW Lin, YJ Shiau… - Nature …, 2017 - nature.com
Bright and efficient organic emitters of near-infrared light would be of use in applications
ranging from biological imaging and medical therapy to night-vision devices. Here we report …

Reliable Actual Fabric‐Based Organic Light‐Emitting Diodes: Toward a Wearable Display.

W Kim, S Kwon, YC Han, E Kim… - Advanced …, 2016 - search.ebscohost.com
The article looks at a study which demonstrate actual fabric based organic light-emitting
diode (OLED) which have been encapsulated in such multilayer barrier films. It mentions …

Very bright and efficient microcavity top-emitting quantum dot light-emitting diodes with Ag electrodes

G Liu, X Zhou, S Chen - ACS applied materials & interfaces, 2016 - ACS Publications
The microcavity effect in top-emitting quantum dot light-emitting diodes (TQLEDs) is
theoretically and experimentally investigated. By carefully optimizing the cavity length, the …

Outcoupling efficiency of organic light emitting diodes and the effect of ITO thickness

SY Kim, JJ Kim - Organic Electronics, 2010 - Elsevier
Outcoupling efficiency of bottom emission organic light emitting diodes (OLEDs) have been
analyzed using a model (Adv. Chem. Phys. 37 (1987) 1,[17]) based on classical …

Enhancing color gamut of white OLED displays by using microcavity green pixels

CH Chang, HC Cheng, YJ Lu, KC Tien, HW Lin… - Organic …, 2010 - Elsevier
The combination of white organic light-emitting devices (OLED) and color filters is one of the
most promising technologies for full-color OLED displays. Yet, the transmission spectra of …

High-efficiency ultrapure green organic light-emitting diodes

H Fukagawa, T Oono, Y Iwasaki… - Materials Chemistry …, 2018 - pubs.rsc.org
To expand the color reproduction area of displays as stipulated in the Recommendation ITU-
R BT. 2020 for ultrahigh-definition displays, quantum dot-and perovskite-based LEDs have …

A promising novel red-emitting Eu3+-activated neodymium calcium phosphate phosphor with good thermal stability and excellent color purity for WLEDs

J Zhao, J Dong, X Ye, L Wang - Journal of molecular Structure, 2021 - Elsevier
A series of Ca 9 Nd (PO 4) 7: xEu 3+(abbreviates as CNP: xEu 3+, where x varies from 0.1 to
0.5) phosphors were prepared via conventional solid-state reaction. The X-ray diffraction …

Microcavity top-emitting organic light-emitting devices integrated with diffusers for simultaneous enhancement of efficiencies and viewing characteristics

CC Liu, SH Liu, KC Tien, MH Hsu, HW Chang… - Applied Physics …, 2009 - pubs.aip.org
We show that integrating diffuser films with microcavity top-emitting organic light-emitting
devices (OLEDs) provide a convenient approach for simultaneously achieving large …

Microcavity top-emitting organic light-emitting devices integrated with microlens arrays: Simultaneous enhancement of quantum efficiency, cd/A efficiency, color …

CJ Yang, SH Liu, HH Hsieh, CC Liu, TY Cho… - Applied Physics …, 2007 - pubs.aip.org
A long bothering issue in microcavity organic light-emitting devices (OLEDs) is the difficulty
to simultaneously achieve enhanced cd/A efficiency, enhanced external quantum efficiency …