Laser-activated remote phosphor light engine for projection applications

2015 ◽  
Author(s):  
Martin Daniels ◽  
Oliver Mehl ◽  
Ulrich Hartwig
Keyword(s):  
Remote Phosphor ◽  
Light Engine

scholarly journals Spot phosphor concept applied to a remote phosphor light-emitting diode light engine

2016 ◽  
Vol 55 (11) ◽  
pp. 115103 ◽  
Author(s):  
Paula Acuña ◽  
Youri Meuret ◽  
Geert Deconinck ◽  
Peter Hanselaer
Keyword(s):  
Light Emitting Diode ◽  
Light Emitting ◽  
Remote Phosphor ◽  
Light Engine

scholarly journals 4-Gbit/s visible light communication link based on 16-QAM OFDM transmission over remote phosphor-film converted white light by using blue laser diode

2015 ◽  
Vol 23 (26) ◽  
pp. 33656 ◽  
Author(s):  
José Ramón Durán Retamal ◽  
Hassan Makine Oubei ◽  
Bilal Janjua ◽  
Yu-Chieh Chi ◽  
Huai-Yung Wang ◽  
...  
Keyword(s):  
Visible Light ◽  
Laser Diode ◽  
White Light ◽  
Visible Light Communication ◽  
Blue Laser ◽  
Communication Link ◽  
Blue Laser Diode ◽  
Remote Phosphor ◽  
Phosphor Film

scholarly journals (Y,Gd)BO3:Eu red phosphor for dual-layer phosphor structure to enhance the optical performance of white light-emitting diodes

2021 ◽  
Vol 10 (4) ◽  
pp. 1930-1935
Author(s):  
Phan Xuan Le ◽  
Le Hung Tien
Keyword(s):  
White Light ◽  
Light Emitting Diodes ◽  
Red Light ◽  
Phosphor Layer ◽  
Light Emitting ◽  
Conformal Coating ◽  
Color Quality ◽  
Remote Phosphor ◽  
White Light Emitting Diodes ◽  
Color Rendering

Among the structures using for fabricating white light-emitting diodes (WLEDs) such as the conformal coating or in-cup geometries, the remote phosphor structure gives the highest luminous efficacy. However, in terms of color quality, its performance is not as good as the others. The red-light compensation has been reported as the effective solution for enhancing the color quality of WLEDs. Hence, this study adopted the idea and applied to the dual-layer phosphor structure. The phosphor used to boost the red color in light formation is (Y,Gd)BO3:Eu particle. The dual-layer remote phosphor structure was simulated with the red (Y,Gd)BO3:Eu phosphor layer above the original yellow phosphor YAG:Ce3+ one. The WLEDs with different correlated color temperatures of 5600 K, 6600 K and 7700K were experimented. Mie-theory and Lambert-Beer law were applied to examine the results. The growth in color rendering index (CRI) and color quality scale (CQS) with the increase of (Y,Gd)BO3:Eu phosphor concentration was observed. Nevertheless, the lumen efficacy would be degraded if the concentration was over a certain number. The information provided in this article is useful for the development of high-power WLED production with greater color quality.

Miniaturization of remote phosphor LED packages

2013 ◽  
Author(s):  
Tsung-Xian Lee ◽  
Meng-Che Tsai ◽  
Ya-Huei Jhang ◽  
Chun-Chieh Chen ◽  
Chien-Yao Huang
Keyword(s):  
Remote Phosphor

Self-Adaptive Structure of Remote Phosphor for Phosphor-Converted White LEDs

2014 ◽  
Vol 10 (12) ◽  
pp. 1042-1046 ◽  
Author(s):  
Qiaolin Lei ◽  
Haibo Rao ◽  
Xuemei Wang ◽  
Da Zhou ◽  
Caineng Li ◽  
...  
Keyword(s):  
White Leds ◽  
Remote Phosphor ◽  
Adaptive Structure ◽  
Self Adaptive

Ring Remote Phosphor Structure for Laser-Driven White Lighting

2020 ◽  
Vol 67 (6) ◽  
pp. 2400-2405
Author(s):  
Bing-Mau Chen ◽  
Shang-Ping Ying ◽  
Hui-Hsuan Tsai
Keyword(s):  
Remote Phosphor
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