Highly Efficient Red-Emission Polymer Phosphorescent Light-Emitting Diodes Based on Two Novel Tris(1-phenylisoquinolinato-C2,N)iridium(III) Derivatives

2007 ◽  
Vol 19 (5) ◽  
pp. 739-743 ◽  
Author(s):  
J. Huang ◽  
T. Watanabe ◽  
K. Ueno ◽  
Y. Yang
Keyword(s):  
Light Emitting Diodes ◽  
Red Emission ◽  
Light Emitting ◽  
Highly Efficient

Highly efficient red phosphor Cs2GeF6:Mn4+for warm white light-emitting diodes

RSC Advances ◽  
2015 ◽  
Vol 5 (100) ◽  
pp. 82409-82414 ◽  
Author(s):  
Zhengliang Wang ◽  
Yayun Zhou ◽  
Yong Liu ◽  
Qiang Zhou ◽  
Lijun Luo ◽  
...  
Keyword(s):  
Cation Exchange ◽  
White Light ◽  
Light Emitting Diodes ◽  
Exchange Method ◽  
Red Phosphor ◽  
Red Emission ◽  
Light Emitting ◽  
Highly Efficient ◽  
Warm White Light ◽  
White Light Emitting Diodes

Red phosphor Cs2GeF6:Mn4+synthesized by the cation exchange method exhibits an intense red emission with a high colour-purity. The warm WLED fabricated with this phosphor emits an intense white light under 20 mA current excitation.

Design of Highly Efficient Deep-red Emission in Mn4+ Doped New-Type Structure CaMgAl10O17 for Plant Growth LED Light

2021 ◽  
Author(s):  
Yunpeng Zhou ◽  
Takatoshi Seto ◽  
Ziyong Kang ◽  
Yuhua Wang
Keyword(s):  
Plant Growth ◽  
Light Emitting Diodes ◽  
Luminous Efficiency ◽  
Stable Structure ◽  
Type Structure ◽  
Red Emission ◽  
Light Emitting ◽  
Led Light ◽  
Highly Efficient ◽  
New Type

Abstract The auxiliary light equipment for plant growth requires phosphor-converted light-emitting-diodes (pc-LEDs) with high luminous efficiency and stable structure, and the properties of phosphors highly determine the performance of the...

Novel Carbazole-based Multifunctional Materials with Hybridized Local and Charge-Transfer Excited State Acting as Deep Blue Emitters and Phosphorescent Hosts for Highly Efficient Organic Light-Emitting Diodes

2021 ◽  
Author(s):  
Haitao Zhou ◽  
Mengna Yin ◽  
Zhenhong Zhao ◽  
Yanqin Miao ◽  
Xin Jin ◽  
...  
Keyword(s):  
Excited State ◽  
Charge Transfer ◽  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Multifunctional Materials ◽  
Light Emitting ◽  
Highly Efficient ◽  
Deep Blue ◽  
Organic Light ◽  
Blue Emitters

In this work, two carbazole- and benzo[d]oxazole-based novel multifunctional materials with hybridized local and charge-transfer (HLCT) characteristic, namely OCI and OCT, which could act as deep-blue fluorophors and phosphorescent hosts,...

Recent progress on defect modulation for highly efficient metal halide perovskite light-emitting diodes

2021 ◽  
Vol 22 ◽  
pp. 100946
Author(s):  
Le Ma ◽  
Boning Han ◽  
Fengjuan Zhang ◽  
Leimeng Xu ◽  
Tao Fang ◽  
...  
Keyword(s):  
Recent Progress ◽  
Light Emitting Diodes ◽  
Metal Halide ◽  
Light Emitting ◽  
Highly Efficient ◽  
Metal Halide Perovskite ◽  
Halide Perovskite

Efficient organic light-emitting diodes based on iridium(III) complexes containing indolo[3,2,1-jk]carbazole derivatives with narrow emission bandwidths and low efficiency roll offs

2021 ◽  
Author(s):  
Xiang-Ji Liao ◽  
Jin-Jun Zhu ◽  
Li Yuan ◽  
Zhi-Ping Yan ◽  
Xu-Feng Luo ◽  
...  
Keyword(s):  
Light Emitting Diodes ◽  
Organic Light Emitting Diodes ◽  
Light Emitting ◽  
Carbazole Derivatives ◽  
Highly Efficient ◽  
Organic Light ◽  
Low Efficiency ◽  
Narrow Emission

In this work, two cyclometalated ligands 2-(pyridin-2-yl)indolo[3,2,1-jk]carbazole (pyidcz) and 2-(4-(trifluoromethyl)pyridin-2-yl)indolo[3,2,1-jk]carbazole (tfpyidcz) using indolo[3,2,1-jk]carbazole unit were synthesized for highly efficient iridium(III) complexes (pyidcz)2Ir(tmd) and (tfpyidcz)2Ir(tmd) (tmd = 2,2,6,6-tetramethyl-3,5-heptanedione). The two Ir(III)...

scholarly journals Air stable and highly efficient Bi3+-doped Cs2SnCl6 for blue light-emitting diodes

RSC Advances ◽  
2021 ◽  
Vol 11 (42) ◽  
pp. 26415-26420
Author(s):  
Yue Yao ◽  
Si-Wei Zhang ◽  
Zijian Liu ◽  
Chun-Yun Wang ◽  
Ping Liu ◽  
...  
Keyword(s):  
Quantum Yield ◽  
Blue Light ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Color Coordinates ◽  
Blue Led ◽  
Highly Efficient ◽  
Photoluminescence Quantum Yield ◽  
Long Life

A Bi3+-doped Cs2SnCl6 exhibits photoluminescence at around 456 nm and a photoluminescence quantum yield of 31%. The blue LED based on the Bi3+-doped Cs2SnCl6 phosphor exhibits a long life of 120 hours and a CIE color coordinates of (0.14, 0.11).

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