Advanced LED Solid-State Lighting Optics

Light-emitting diodes (LEDs) have been intensively studied for white-light lighting since their luminous efficacy exceeds 50 lm/W. Currently, the luminous efficacy of an LED light tube/bulb is almost above 100 lm/W. LED solid-state lighting (SSL) has unequivocally become the major light source in ge...

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Main Authors: Ching-Cherng Sun, Shih-Hsin Ma, Quang-Khoi Nguyen
Format: Article
Language:English
Published: MDPI AG 2020-08-01
Series:Crystals
Subjects:
Online Access:https://www.mdpi.com/2073-4352/10/9/758
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author Ching-Cherng Sun
Shih-Hsin Ma
Quang-Khoi Nguyen
author_facet Ching-Cherng Sun
Shih-Hsin Ma
Quang-Khoi Nguyen
author_sort Ching-Cherng Sun
collection DOAJ
description Light-emitting diodes (LEDs) have been intensively studied for white-light lighting since their luminous efficacy exceeds 50 lm/W. Currently, the luminous efficacy of an LED light tube/bulb is almost above 100 lm/W. LED solid-state lighting (SSL) has unequivocally become the major light source in general lighting. The fact of high efficiency and other advantages of LED SSL is enough to penetrate all lighting scenarios. However, what people demand from new-generation lighting is not only in energy efficiency but also in lighting quality. Thus, how to make the lighting more user friendly is one of the important issues, and, here, optics is the key point. For making a collection with the discussions of the novel optical design in enhancing lighting efficiency in a more uniform illumination pattern, in higher sharpness for special lighting, in a higher signal-to-noise ratio for communication, in more functions for new applications, etc., this Special Issue of “Advanced LED Solid-State Lighting Optics” focuses on advanced applications in all aspects.
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spelling doaj.art-b477c388c1174a25b18499c8f280e5702023-11-20T11:36:44ZengMDPI AGCrystals2073-43522020-08-0110975810.3390/cryst10090758Advanced LED Solid-State Lighting OpticsChing-Cherng Sun0Shih-Hsin Ma1Quang-Khoi Nguyen2Department of Optics and Photonics, National Central University, Chung-Li 320, TaiwanDepartment of Photonics, Feng Chia University, Taichung 40724, TaiwanDepartment of Optics and Photonics, National Central University, Chung-Li 320, TaiwanLight-emitting diodes (LEDs) have been intensively studied for white-light lighting since their luminous efficacy exceeds 50 lm/W. Currently, the luminous efficacy of an LED light tube/bulb is almost above 100 lm/W. LED solid-state lighting (SSL) has unequivocally become the major light source in general lighting. The fact of high efficiency and other advantages of LED SSL is enough to penetrate all lighting scenarios. However, what people demand from new-generation lighting is not only in energy efficiency but also in lighting quality. Thus, how to make the lighting more user friendly is one of the important issues, and, here, optics is the key point. For making a collection with the discussions of the novel optical design in enhancing lighting efficiency in a more uniform illumination pattern, in higher sharpness for special lighting, in a higher signal-to-noise ratio for communication, in more functions for new applications, etc., this Special Issue of “Advanced LED Solid-State Lighting Optics” focuses on advanced applications in all aspects.https://www.mdpi.com/2073-4352/10/9/758optical design LEDsolid-state lightingnon-imaging opticslight extractionauto-forward lightingcutoff line
spellingShingle Ching-Cherng Sun
Shih-Hsin Ma
Quang-Khoi Nguyen
Advanced LED Solid-State Lighting Optics
Crystals
optical design LED
solid-state lighting
non-imaging optics
light extraction
auto-forward lighting
cutoff line
title Advanced LED Solid-State Lighting Optics
title_full Advanced LED Solid-State Lighting Optics
title_fullStr Advanced LED Solid-State Lighting Optics
title_full_unstemmed Advanced LED Solid-State Lighting Optics
title_short Advanced LED Solid-State Lighting Optics
title_sort advanced led solid state lighting optics
topic optical design LED
solid-state lighting
non-imaging optics
light extraction
auto-forward lighting
cutoff line
url https://www.mdpi.com/2073-4352/10/9/758
work_keys_str_mv AT chingcherngsun advancedledsolidstatelightingoptics
AT shihhsinma advancedledsolidstatelightingoptics
AT quangkhoinguyen advancedledsolidstatelightingoptics