Low operating voltage bright organic light-emitting diode using iridium complex doped in 4,4′-bis[N-1-napthyl-N-phenyl-amino]biphenyl

2007 ◽  
Vol 91 (13) ◽  
pp. 131105 ◽  
Author(s):  
J. Wang ◽  
Y. D. Jiang ◽  
J. S. Yu ◽  
S. L. Lou ◽  
H. Lin
Keyword(s):  
Light Emitting Diode ◽  
Iridium Complex ◽  
Operating Voltage ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Organic Light

scholarly journals Reduction of operating voltage in organic light-emitting diode by corrugated photonic crystal structure

2004 ◽  
Vol 85 (23) ◽  
pp. 5769-5771 ◽  
Author(s):  
Masayuki Fujita ◽  
Tetsuya Ueno ◽  
Kuniaki Ishihara ◽  
Takashi Asano ◽  
Susumu Noda ◽  
...  
Keyword(s):  
Crystal Structure ◽  
Photonic Crystal ◽  
Light Emitting Diode ◽  
Photonic Crystal Structure ◽  
Operating Voltage ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Organic Light

Cohosts with efficient host-to-emitter energy transfer for stable blue phosphorescent organic light-emitting diodes

2021 ◽  
Author(s):  
Soo-Ghang Ihn ◽  
Eun Suk Kwon ◽  
Yongsik Jung ◽  
Jong Soo Kim ◽  
Sungho Nam ◽  
...  
Keyword(s):  
Energy Transfer ◽  
High Performance ◽  
Light Emitting Diode ◽  
Organic Light Emitting Diodes ◽  
Operating Voltage ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Organic Light ◽  
Low Efficiency ◽  
Blue Phosphorescent

We present a high-performance blue phosphorescent organic light-emitting diode exhibiting a low operating voltage (4.1 V), high external quantum efficiency (23.4%, at 500 cd m-2) with a low efficiency roll-off...

High Brightness White Organic Light Emitting Devices Employing Phosphorescent Iridium Complex as RGB Dopants

2007 ◽  
Vol 364-366 ◽  
pp. 1072-1076
Author(s):  
Rui Li Song ◽  
Yu Duan
Keyword(s):  
Power Efficiency ◽  
Light Emitting Diode ◽  
Iridium Complex ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Organic Light Emitting Diode ◽  
Organic Light ◽  
Color Mixing ◽  
Coordinate Changes ◽  
Cie Chromaticity

An efficient phosphorescent white organic light-emitting diode (WOLED) was realized by using a bright blue-emitting layer, iridium (III) bis [(4, 6-di-fluoropheny)-pyridinato-N, C2’] picolinate doped 4.4’-bis (9-carbazolyl)-2, 2’-dimethyl-biphenyl, together with tris (2- Phenylpyridine) iridium and bis (1-phenyl-isoquinoline) acetylacetonate iridium (III) were codoped into 4,4’-N,N’-dicarbazole-biphenyl layer to provide blue, green, and red emission for color mixing. The device emission color was controlled by varying dopant concentrations and the thickness of blue and green-red layers as well as tuning the thickness of exciton-blocking layer. The maximum luminance and power efficiency of the WOLED were 37100cd/m2 at 17 V and 7.37lm/W at 5V, respectively. The Commission Internationale de 1’Eclairage (CIE) chromaticity coordinate changes from (0.41, 0.42) to (0.37, 0.39) when the luminance rangeed from 1000cd/m2 to 30000cd/m2.

Highly efficient green organic light emitting diode with a novel solution processable iridium complex emitter

2013 ◽  
Vol 1 (27) ◽  
pp. 4201 ◽  
Author(s):  
Jwo-Huei Jou ◽  
Chieh-Ju Li ◽  
Shih-Ming Shen ◽  
Shiang-Hau Peng ◽  
Yu-Lin Chen ◽  
...  
Keyword(s):  
Light Emitting Diode ◽  
Iridium Complex ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Highly Efficient ◽  
Organic Light ◽  
Solution Processable

Synthesis of Silver Nanoparticles by Plasma-Assisted Hot-Filament Evaporation for Enhancing in Luminescence Properties of Organic Light Emitting Diode

2021 ◽  
Vol 317 ◽  
pp. 157-165
Author(s):  
Abtisam Hasan Hamood Al-Masoodi ◽  
Boon Tong Goh ◽  
Ahmed H.H. Al-Masoodi ◽  
Wan Haliza A. Majid
Keyword(s):  
Ag Nanoparticles ◽  
Plasma Deposition ◽  
Light Emitting Diode ◽  
Hydrogen Plasma ◽  
Operating Voltage ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Organic Light ◽  
Interparticle Separation ◽  
Hot Filament

In this work, silver (Ag) nanoparticles were synthesized using plasma-assisted hot-filament evaporation, both with and without plasma deposition environments. This technique was used for the deposition of the nanoparticles in high-density, with controlling the size and interparticle separation. The size and interparticle separation acted as the primary factors of the variation of the localized surface plasmon resonance characteristics of the nanoparticles. The Ag nanoparticles reflected an additional layer in a typical organic light-emitting diode (OLED). The OLED with the Ag nanoparticles layer resulted in a low operating voltage, with a high luminance that reached 62.9 % under the hydrogen plasma environment, as compared to the reference device (OLED without the Ag nanoparticles layer). The effects of the Ag nanoparticles synthesis layer, both with and without plasma deposition on the OLED luminance, were also discussed.

Highly Efficient Yellow Organic Light Emitting Diode with a Novel Wet- and Dry-Process Feasible Iridium Complex Emitter

2013 ◽  
Vol 24 (4) ◽  
pp. 555-562 ◽  
Author(s):  
Jwo-Huei Jou ◽  
You-Xing Lin ◽  
Shiang-Hau Peng ◽  
Chieh-Ju Li ◽  
Yu-Min Yang ◽  
...  
Keyword(s):  
Light Emitting Diode ◽  
Iridium Complex ◽  
Light Emitting ◽  
Organic Light Emitting Diode ◽  
Dry Process ◽  
Highly Efficient ◽  
Organic Light
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