scholarly journals Maximum spectral luminous efficacy of white light

2012 ◽  
Vol 111 (10) ◽  
pp. 104909 ◽  
Author(s):  
Thomas W. Murphy
Keyword(s):  
White Light ◽  
Luminous Efficacy

scholarly journals Luminous Efficacy of LED White Light Sources

2016 ◽  
Vol 16 (06) ◽  
pp. 64-74
Author(s):  
V Pavlov ◽  
V Pyasetskiy ◽  
A Horohorov ◽  
A Shirankov
Keyword(s):  
White Light ◽  
Light Sources ◽  
Luminous Efficacy

scholarly journals Improvement in Luminous Efficacy and Thermal Performance Using Quantum Dots Spherical Shell for White Light Emitting Diodes

Nanomaterials ◽  
2018 ◽  
Vol 8 (8) ◽  
pp. 618 ◽  
Author(s):  
Songmao Chen ◽  
Caiman Yan ◽  
Yong Tang ◽  
Jiasheng Li ◽  
Xinrui Ding ◽  
...  
Keyword(s):  
Quantum Dots ◽  
Spherical Shell ◽  
Thermal Performance ◽  
White Light ◽  
Shell Structure ◽  
Light Emitting Diodes ◽  
Planar Structure ◽  
Luminous Efficacy ◽  
Light Emitting ◽  
White Light Emitting Diodes

White light-emitting diodes (WLEDs) based on quantum dots (QDs) are gaining increasing attention due to their excellent color quality. QDs films with planar structure are universally applied in WLEDs for color conversion, while they still face great challenges in high light extraction and thermal stability. In this study, a QDs film with a spherical shell structure was proposed to improve the optical and thermal performance for WLEDs. Compared with the conventional planar structure, the luminous efficacy of the QDs spherical shell structure is improved by 12.9% due to the reduced total reflection effect, and the angular-dependent correlated color temperature deviation is decreased from 2642 to 283 K. Moreover, the highest temperature of the WLED using a QDs spherical shell is 4.8 °C lower than that of the conventional WLED with a planar structure, which is mainly attributed to larger heat dissipation area and separated heat source. Consequently, this QDs spherical shell structure demonstrates superior performance of QDs films for WLEDs applications.

Luminous efficacy enhancement of ultraviolet-excited white light-emitting diodes through multilayered phosphor-in-glass

2016 ◽  
Vol 55 (18) ◽  
pp. 4933 ◽  
Author(s):  
Yang Peng ◽  
Sinmin Wang ◽  
Ruixin Li ◽  
Hong Li ◽  
Hao Cheng ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Luminous Efficacy ◽  
Light Emitting ◽  
White Light Emitting Diodes

Achieving exceptionally high luminescence quantum efficiency by immobilizing an AIE molecular chromophore into a metal–organic framework

2015 ◽  
Vol 51 (15) ◽  
pp. 3045-3048 ◽  
Author(s):  
Zhichao Hu ◽  
Guangxi Huang ◽  
William P. Lustig ◽  
Fangming Wang ◽  
Hao Wang ◽  
...  
Keyword(s):  
Rare Earth ◽  
Quantum Yield ◽  
Quantum Efficiency ◽  
White Light ◽  
Metal Organic Framework ◽  
High Quantum Yield ◽  
Yellow Light ◽  
Luminous Efficacy ◽  
High Quantum ◽  
Metal Organic

We build a new rare-earth-free blue-excitable phosphor, which emits yellow light with high quantum yield. Coating a blue LED with this phosphor generates white light with high luminous efficacy.

White light emitting diodes with super-high luminous efficacy

2010 ◽  
Vol 43 (35) ◽  
pp. 354002 ◽  
Author(s):  
Yukio Narukawa ◽  
Masatsugu Ichikawa ◽  
Daisuke Sanga ◽  
Masahiko Sano ◽  
Takashi Mukai
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Luminous Efficacy ◽  
Light Emitting ◽  
White Light Emitting Diodes

Color rendering ability and luminous efficacy enhancements in white light-emitting diodes

2009 ◽  
Author(s):  
Roya Mirhosseini ◽  
Martin Schubert ◽  
Sameer Chhajed ◽  
Jaehee Cho ◽  
Jong Kyu Kim ◽  
...  
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Luminous Efficacy ◽  
Light Emitting ◽  
White Light Emitting Diodes ◽  
Color Rendering
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