HF-Free Hydrothermal Route for Synthesis of Highly Efficient Narrow-Band Red Emitting Phosphor K2Si1–xF6:xMn4+ for Warm White Light-Emitting Diodes

2016 ◽  
Vol 28 (5) ◽  
pp. 1495-1502 ◽  
Author(s):  
Lin Huang ◽  
Yiwen Zhu ◽  
Xuejie Zhang ◽  
Rui Zou ◽  
Fengjuan Pan ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Narrow Band ◽  
Hydrothermal Route ◽  
Light Emitting ◽  
Highly Efficient ◽  
Warm White Light ◽  
White Light Emitting Diodes ◽  
Red Emitting Phosphor

A green synthetic route to the highly efficient K2SiF6:Mn4+narrow-band red phosphor for warm white light-emitting diodes

2018 ◽  
Vol 6 (11) ◽  
pp. 2741-2746 ◽  
Author(s):  
Ziyang Hou ◽  
Xueyuan Tang ◽  
Xuefang Luo ◽  
Tianliang Zhou ◽  
Lin Zhang ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Narrow Band ◽  
Synthetic Route ◽  
Red Phosphor ◽  
Light Emitting ◽  
Highly Efficient ◽  
Warm White Light ◽  
White Light Emitting Diodes

A green synthetic route to the highly efficient K2SiF6:Mn4+narrow-band red phosphor for warm white light-emitting diodes.

scholarly journals Highly efficient non-rare-earth red emitting phosphor for warm white light-emitting diodes

2014 ◽  
Vol 5 (1) ◽  
Author(s):  
Haomiao Zhu ◽  
Chun Che Lin ◽  
Wenqin Luo ◽  
Situan Shu ◽  
Zhuguang Liu ◽  
...  
Keyword(s):  
Rare Earth ◽  
White Light ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Highly Efficient ◽  
Warm White Light ◽  
White Light Emitting Diodes ◽  
Red Emitting Phosphor

Three-dimensional GaN dodecagonal ring structures for highly efficient phosphor-free warm white light-emitting diodes

Nanoscale ◽  
2018 ◽  
Vol 10 (10) ◽  
pp. 4686-4695 ◽  
Author(s):  
Young Chul Sim ◽  
Seung-Hyuk Lim ◽  
Yang-Seok Yoo ◽  
Min-Ho Jang ◽  
Sunghan Choi ◽  
...  
Keyword(s):  
White Light ◽  
High Efficiency ◽  
Light Emitting Diodes ◽  
Three Dimensional ◽  
Light Emitting ◽  
White Leds ◽  
Highly Efficient ◽  
Warm White Light ◽  
Ring Structures ◽  
White Light Emitting Diodes

Multifaceted dodecagonal ring structures emit light of various colours with high efficiency and are demonstrated to be phosphor-free white LEDs.

Synthesis of narrow-band red-emitting K2SiF6:Mn4+ phosphors for a deep red monochromatic LED and ultrahigh color quality warm-white LEDs

2015 ◽  
Vol 3 (3) ◽  
pp. 607-615 ◽  
Author(s):  
Ji Hye Oh ◽  
Heejoon Kang ◽  
Yun Jae Eo ◽  
Hoo Keun Park ◽  
Young Rag Do
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Narrow Band ◽  
Light Emitting ◽  
White Leds ◽  
Color Quality ◽  
Warm White Light ◽  
White Light Emitting Diodes

In this study, we synthesized and characterized narrow-band red-emitting K2SiF6:Mn4+ phosphors in order to improve the color qualities of warm white light-emitting diodes (LEDs).

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.

scholarly journals Highly efficient platinum-based emitters for warm white light emitting diodes

2019 ◽  
Vol 7 (15) ◽  
pp. 4509-4516 ◽  
Author(s):  
Violeta Sicilia ◽  
Sara Fuertes ◽  
Andrés J. Chueca ◽  
Lorenzo Arnal ◽  
Antonio Martín ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Light Emitting ◽  
Great Range ◽  
Highly Efficient ◽  
Warm White Light ◽  
Two Component ◽  
White Light Emitting Diodes ◽  
New Compounds

The new compounds [Pt(R-C^C*)(P^P)]PF6 as blue or orange emitters were combined with the red emitter [Pt(bzq)(CN)(CNXyl)] to fabricate two-component WOLEDs and pcWLEDs. They rendered warm white light with optimal CRI and Duv values and a great range of nominal CCT: 4000 K–2000 K.

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