Facile Preparation and Ultrastable Performance of Single-Component White-Light-Emitting Phosphor-in-Glass used for High-Power Warm White LEDs

2015 ◽  
Vol 7 (51) ◽  
pp. 28122-28127 ◽  
Author(s):  
Xuejie Zhang ◽  
Jinbo Yu ◽  
Jing Wang ◽  
Chenbiao Zhu ◽  
Jinhui Zhang ◽  
...  
Keyword(s):  
White Light ◽  
High Power ◽  
Single Component ◽  
Light Emitting ◽  
White Leds ◽  
Facile Preparation

A novel blue light pumped yellow-emitting phosphor RbZnPO4:Dy3+ with satisfactory color tuning and thermal properties for high-power warm white light emitting diodes

RSC Advances ◽  
2015 ◽  
Vol 5 (129) ◽  
pp. 106795-106799 ◽  
Author(s):  
Ge Zhu ◽  
Shuangyu Xin
Keyword(s):  
Thermal Properties ◽  
Blue Light ◽  
White Light ◽  
High Power ◽  
Color Tuning ◽  
Light Emitting ◽  
Yellow Phosphor ◽  
White Leds ◽  
Warm White Light ◽  
White Light Emitting Diodes

Novel yellow phosphor RbZnPO4:Dy3+ with satisfactory color tuning and thermal properties for high-power white LEDs.

Glass-ceramic composites for high-power white-light-emitting diodes

2021 ◽  
Author(s):  
Alessandro Longato ◽  
Sebastiano Picco ◽  
Lorenzo Moro ◽  
Matteo Buffolo ◽  
Carlo De Santi ◽  
...  
Keyword(s):  
White Light ◽  
High Power ◽  
Glass Ceramic ◽  
Light Emitting Diodes ◽  
Ceramic Composites ◽  
Light Emitting ◽  
White Light Emitting Diodes

Single-component and white light-emitting phosphor BaAl 2 Si 2 O 8 : Dy 3+ , Eu 3+ synthesis, luminescence, energy transfer, and tunable color

2016 ◽  
Vol 60 ◽  
pp. 196-203 ◽  
Author(s):  
Pingchuan Ma ◽  
Yanhua Song ◽  
Ye Sheng ◽  
Bo Yuan ◽  
Hongxia Guan ◽  
...  
Keyword(s):  
Energy Transfer ◽  
White Light ◽  
Single Component ◽  
Light Emitting

Phosphor concentration and geometry for high power white light emitting diode

2010 ◽  
Author(s):  
Kyung-Mi Moon ◽  
Se-Hwan An ◽  
Hyung-Kun Kim ◽  
Jung-Hye Chae ◽  
Yong-Jo Park
Keyword(s):  
White Light ◽  
High Power ◽  
Light Emitting Diode ◽  
Light Emitting

scholarly journals System efficiency of laser-based white light

2014 ◽  
Vol 3 (5-6) ◽  
Author(s):  
Roland Lachmayer ◽  
Alexander Wolf ◽  
Gerolf Kloppenburg
Keyword(s):  
Thermal Management ◽  
White Light ◽  
High Power ◽  
Laser Diodes ◽  
Light Sources ◽  
System Efficiency ◽  
Light Emitting ◽  
Scale Down ◽  
Color Rendering ◽  
Product Weight

AbstractFor many lighting applications, light-emitting diodes (LEDs) are replacing traditional light sources providing the possibility for smart and efficient systems as well as a reduction in the product weight. A next step in this development is the integration of laser-based light sources to increase luminance and to further scale down the optics possibly leading to a reduction of necessary resources. This article reviews the possibilities and challenges arising from the use of laser diodes especially compared to current high-power LED systems in terms of efficiency, color-rendering properties, and thermal management.

scholarly journals Solvent regulation synthesis of single-component white emission carbon quantum dots for white light-emitting diodes

2021 ◽  
Vol 10 (1) ◽  
pp. 465-477
Author(s):  
Longshi Rao ◽  
Qing Zhang ◽  
Mingfu Wen ◽  
Zhongfa Mao ◽  
Huaxian Wei ◽  
...  
Keyword(s):  
Quantum Dots ◽  
White Light ◽  
Light Emitting Diodes ◽  
Carbon Quantum Dots ◽  
Single Component ◽  
Great Promise ◽  
Solvent Engineering ◽  
Light Emitting ◽  
White Emission ◽  
White Light Emitting Diodes

Abstract White light-emitting diodes (WLEDs) hold great promise in lighting, display, and visible light communication devices, and single-component white emission carbon quantum dots (SCWE-CQDs) as the key component of WLEDs have many outstanding advantages. However, rapid and efficient synthesis of SCWE-CQDs with high photoluminescence quantum yield (PLQY) and stability remains challenging. Here, we report a novel solvent engineering strategy to obtain highly photoluminescent SCWE-CQDs by controlling the dilution ratios between N,N-dimethylformamide (DMF) and pristine red carbon quantum dots (RCQDs) solution. By optimizing synthesis conditions, the relative PLQY of the SCWE-CQDs solution reached 53%. Morphological, structural, and optical property characterizations indicate that the combined action of the hydrogen bond (HB) effect and the size effect leads to the blue shift of RCQDs, but the HB effect is more dominant than the particle size in causing large spectral shifts. In addition, the WLEDs with high color rendering index of 89 and remarkable reliability were obtained based on the highly photoluminescent SCWE-CQDs. This facile solvent engineering approach for synthesizing tunable emission CQDs will promote the progress of carbon-based luminescent materials for applications in optoelectronic devices.

Novel ultrabright luminescent copper nanoclusters and application in light-emitting devices

2021 ◽  
Vol 57 (77) ◽  
pp. 9890-9893
Author(s):  
Qiu-Qin Huang ◽  
Mei-Yue Hu ◽  
Yan-Li Li ◽  
Nan-Nan Chen ◽  
Yi Li ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Single Component ◽  
Copper Nanoclusters ◽  
Light Emitting ◽  
Light Emitting Devices ◽  
Phosphorescence Emission ◽  
White Light Emitting Diodes

Ultra-small tri/tetra-nuclear copper nanoclusters (Cu3/Cu4) exhibit ultrabright phosphorescence emission (Фem = 71.8 and 63.5%). Cu3 is firstly applied as a single component phosphor for white light-emitting diodes with favourable characteristics.

Phosphor–silicone interaction effects in high power white light emitting diode packages

2017 ◽  
Vol 28 (23) ◽  
pp. 17557-17569 ◽  
Author(s):  
Jiajie Fan ◽  
Mengni Zhang ◽  
Xiao Luo ◽  
Cheng Qian ◽  
Xuejun Fan ◽  
...  
Keyword(s):  
White Light ◽  
High Power ◽  
Light Emitting Diode ◽  
Interaction Effects ◽  
Light Emitting
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