Simultaneously Improve White LED Omni-Directional Package Efficacy and Spatial Color Uniformity on Scattered Photon Extraction Technology
Abstract
:1. Introduction
2. Omnidirectional ACCTD of Existing SPE™ Solution
2.1. Optical Model and Simulation
2.2. Simulation Results
3. Design Strategy for SPE™ Technology
3.1. Two-Way Structure Lens Design
3.2. Light-Guide Structure Lens Design
4. Results and Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Traditional | Two-Way | Light-Guide | |
---|---|---|---|
Phosphor Thickness (mm) | 0.5 mm | 0.5 mm | 0.5 mm |
Phosphor Concentration (%) | 30% | 30% | 4% |
Forward CCT (K) | 3932 K | 6691 K | 6342 K |
Backward CCT (K) | 7521 K | 7251 K | 6717 K |
ΔCCT (K) | 3589 K | 560 K | 375 K |
SDCCT (K) | 1954 K | 548 K | 190 K |
Forward LEE (Lm/W) | 14.2 Lm/W | 62.7 Lm/W | 77.5 Lm/W |
Backward LEE (Lm/W) | 127.0 Lm/W | 96.1 Lm/W | 80.9 Lm/W |
ΔLEE (Lm/W) | 112.8 Lm/W | 33.4 Lm/W | 3.4 Lm/W |
Total LEE (Lm/W) | 141.2 Lm/W | 158.7 Lm/W | 158.4 Lm/W |
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Lee, T.-X.; Huang, Y.-C. Simultaneously Improve White LED Omni-Directional Package Efficacy and Spatial Color Uniformity on Scattered Photon Extraction Technology. Crystals 2019, 9, 21. https://doi.org/10.3390/cryst9010021
Lee T-X, Huang Y-C. Simultaneously Improve White LED Omni-Directional Package Efficacy and Spatial Color Uniformity on Scattered Photon Extraction Technology. Crystals. 2019; 9(1):21. https://doi.org/10.3390/cryst9010021
Chicago/Turabian StyleLee, Tsung-Xian, and Yun-Chieh Huang. 2019. "Simultaneously Improve White LED Omni-Directional Package Efficacy and Spatial Color Uniformity on Scattered Photon Extraction Technology" Crystals 9, no. 1: 21. https://doi.org/10.3390/cryst9010021
APA StyleLee, T.-X., & Huang, Y.-C. (2019). Simultaneously Improve White LED Omni-Directional Package Efficacy and Spatial Color Uniformity on Scattered Photon Extraction Technology. Crystals, 9(1), 21. https://doi.org/10.3390/cryst9010021