Results 121 to 130 of about 17,940 (246)

Smart Delayed Fluorescent AIEgens for Organic Light-Emitting Diodes: Mechanism and Adjustable Performance

Molecules
Organic light-emitting diodes (OLEDs) have attracted remarkable interest in display and lighting. To effectively address triplet exciton harvesting and enhance external quantum efficiency (EQE), delayed fluorescence AIEgens have gained significant ...
Changhao Yan, Juechen Ni
doaj   +1 more source

OLEDs: Light extraction and deep blue emission [PDF]

, 2019
OLEDs have emerged in the market over the last decade mainly in display applications due to their unique and attractive properties, such as lightweight, high brightness with strong color contrast, thin and flexible designs as well as potentially of low ...
Hippola, Chamika
core  

High Efficiency and Low Roll‐Off Blue and White Organic Light‐Emitting Diodes Enabled by Pyrene‐Based Blue Emitters via Efficient Triplet–Triplet Annihilation

ChemistryEurope
Blue organic light‐emitting diodes (OLEDs) continue to face significant challenges due to the scarcity of stable and efficient blue‐emitting materials. This study presents four fluorescent blue emitters based on a pyrene core with high photoluminescence ...
Jingwen Yao, Zhi Zhou, Shou‐Cheng Dong, Dongge Ma   +3 more
doaj   +1 more source

Deformable OLEDs: from Design to Applications

We introduce a few novel design strategies to realize efficient deformable OLEDs, with emphasis on ultrathin OLEDs. Ultrathin OLEDs are used to create cylindrical light sources applicable to internal photo biomodulation for inner-body phototherapeutics ...
Yoo, Seunghyup, Sim, Jee Hoon, Lee, Donggyun, Kim, Junho, Chae, Hyeonwook, Kim, Su-Bon   +5 more
core   +1 more source

Improving the air stability of flexible top-emitting organic light-emitting diodes

npj Flexible Electronics
Flexible organic light-emitting diodes (OLEDs) are promising light sources for biomedical applications. However, the use of these flexible devices has been restricted by their short shelf lifetimes due to poor ambient stability.
Mina Riahi, Kou Yoshida, Ifor D. W. Samuel   +2 more
doaj   +1 more source

The Optimization of Hole Injection Layer in Organic Light-Emitting Diodes

Nanomaterials
Organic light-emitting diodes (OLEDs) are widely recognized as the forefront technology for displays and lighting technology. Now, the global OLED market is nearly mature, driven by the rising demand for superior displays in smartphones. In recent years,
Xiaolin Xing, Ziye Wu, Yingying Sun, Yunlong Liu, Xiaochen Dong, Shuhong Li, Wenjun Wang   +6 more
doaj   +1 more source

Strongly modified angular dependence of emission from OLEDs

, 2012
The emission pattern of organic light-emitting diodes (OLEDs) is usually close to Lambertian. This paper explores the factors controlling the angular dependence of the emission from OLEDs.
Samuel, Ifor D. W., Shuyu Zhang, Ifor D. W. Samuel, Graham A. Turnbull, Zhang, Shuyu, Turnbull, Graham A.   +5 more
core   +1 more source

Diodos orgánicos emisores de luz (oleds) y sus bases tecnológicas [PDF]

, 2011
Se describen1 los principales conceptos acerca de los diodos orgánicos emisores de luz (OLEDs), con énfasis en la estructura básica y el mecanismo interno de los OLEDs como dispositivos orgánicos emisores de fotones. También se presenta un resumen de los
Roa, Diego, Flórez, Sebastián, Gélvez, Óscar, Mora, Julián, Castro, Jaime, Urbina, Juan Manuel   +5 more
core  

Printing technologies for flexible OLEDs

, 2008
There is a large potential market for flexible OLED Lighting and signage, however this requires to scale up present laboratory processes towards low cost, large area printing technologies.
Hoog, A. op 't, Bollen, D., Michels, J.J., Winter, S.D., Harkema, S., Kruijt, P., Tijdink, M.W.W.J., Wilson, J., Hack, M.   +8 more
core  

Sharply Foldable Organic Light-Emitting Diodes Based on Imprinting Process for Pattern Transformation

npj Flexible Electronics
Foldable organic light-emitting diodes (OLEDs) capable of diverse structural transformations represent one of the most promising candidates for next-generation deformable displays.
Hao-Yang Zhang, Da Yin, Shi-Xin Jia, Yi-Heng Zhang, Yue-Feng Liu, Yu Duan, Jing Feng   +6 more
doaj   +1 more source