Optimization Studies of Two-Phosphor-Coated White Light-Emitting Diodes
Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, and two peak heights...
Ausführliche Beschreibung
Autor*in: |
Ziquan Guo [verfasserIn] Tienmo Shih [verfasserIn] Yulin Gao [verfasserIn] Yijun Lu [verfasserIn] Lihong Zhu [verfasserIn] Guolong Chen [verfasserIn] Yue Lin [verfasserIn] Jihong Zhang [verfasserIn] Zhong Chen [verfasserIn] |
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Format: |
E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2013 |
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Schlagwörter: |
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Übergeordnetes Werk: |
In: IEEE Photonics Journal - IEEE, 2015, 5(2013), 2, Seite 8200112-8200112 |
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Übergeordnetes Werk: |
volume:5 ; year:2013 ; number:2 ; pages:8200112-8200112 |
Links: |
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DOI / URN: |
10.1109/JPHOT.2013.2245885 |
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Katalog-ID: |
DOAJ049652001 |
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10.1109/JPHOT.2013.2245885 doi (DE-627)DOAJ049652001 (DE-599)DOAJff940ed8994347a08672a512987ba0c7 DE-627 ger DE-627 rakwb eng TA1501-1820 QC350-467 Ziquan Guo verfasserin aut Optimization Studies of Two-Phosphor-Coated White Light-Emitting Diodes 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, and two peak heights, optimal results of luminous efficacy radiation (LER) and color rendering index (CRI) are identified and retained through filtering off billions of unqualified candidates. These results include LER = 390 lm/W and CRI = 90 [chromaticity difference (<i<Duv</i<)<;0.0054] at CCT = 3000 K. In addition, our photometric and colorimetric sensitivity studies provide the dependence of LER, CRI, CCT, and <i<Duv</i< on LED spectral parameters affected by operating temperatures. Finally, we have discovered that higher instabilities may be induced for cool white LEDs (CCT = 6500 K) than for warm white LEDs (CCT = 3000 K) within the analysis of CCT versus spectral parameters. Solid-state lighting light-emitting diodes (LEDs) color rendering index (CRI) luminous efficacy of radiation Applied optics. Photonics Optics. Light Tienmo Shih verfasserin aut Yulin Gao verfasserin aut Yijun Lu verfasserin aut Lihong Zhu verfasserin aut Guolong Chen verfasserin aut Yue Lin verfasserin aut Jihong Zhang verfasserin aut Zhong Chen verfasserin aut In IEEE Photonics Journal IEEE, 2015 5(2013), 2, Seite 8200112-8200112 (DE-627)600310272 (DE-600)2495610-7 19430655 nnns volume:5 year:2013 number:2 pages:8200112-8200112 https://doi.org/10.1109/JPHOT.2013.2245885 kostenfrei https://doaj.org/article/ff940ed8994347a08672a512987ba0c7 kostenfrei https://ieeexplore.ieee.org/document/6458972/ kostenfrei https://doaj.org/toc/1943-0655 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2013 2 8200112-8200112 |
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10.1109/JPHOT.2013.2245885 doi (DE-627)DOAJ049652001 (DE-599)DOAJff940ed8994347a08672a512987ba0c7 DE-627 ger DE-627 rakwb eng TA1501-1820 QC350-467 Ziquan Guo verfasserin aut Optimization Studies of Two-Phosphor-Coated White Light-Emitting Diodes 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, and two peak heights, optimal results of luminous efficacy radiation (LER) and color rendering index (CRI) are identified and retained through filtering off billions of unqualified candidates. These results include LER = 390 lm/W and CRI = 90 [chromaticity difference (<i<Duv</i<)<;0.0054] at CCT = 3000 K. In addition, our photometric and colorimetric sensitivity studies provide the dependence of LER, CRI, CCT, and <i<Duv</i< on LED spectral parameters affected by operating temperatures. Finally, we have discovered that higher instabilities may be induced for cool white LEDs (CCT = 6500 K) than for warm white LEDs (CCT = 3000 K) within the analysis of CCT versus spectral parameters. Solid-state lighting light-emitting diodes (LEDs) color rendering index (CRI) luminous efficacy of radiation Applied optics. Photonics Optics. Light Tienmo Shih verfasserin aut Yulin Gao verfasserin aut Yijun Lu verfasserin aut Lihong Zhu verfasserin aut Guolong Chen verfasserin aut Yue Lin verfasserin aut Jihong Zhang verfasserin aut Zhong Chen verfasserin aut In IEEE Photonics Journal IEEE, 2015 5(2013), 2, Seite 8200112-8200112 (DE-627)600310272 (DE-600)2495610-7 19430655 nnns volume:5 year:2013 number:2 pages:8200112-8200112 https://doi.org/10.1109/JPHOT.2013.2245885 kostenfrei https://doaj.org/article/ff940ed8994347a08672a512987ba0c7 kostenfrei https://ieeexplore.ieee.org/document/6458972/ kostenfrei https://doaj.org/toc/1943-0655 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2013 2 8200112-8200112 |
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10.1109/JPHOT.2013.2245885 doi (DE-627)DOAJ049652001 (DE-599)DOAJff940ed8994347a08672a512987ba0c7 DE-627 ger DE-627 rakwb eng TA1501-1820 QC350-467 Ziquan Guo verfasserin aut Optimization Studies of Two-Phosphor-Coated White Light-Emitting Diodes 2013 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, and two peak heights, optimal results of luminous efficacy radiation (LER) and color rendering index (CRI) are identified and retained through filtering off billions of unqualified candidates. These results include LER = 390 lm/W and CRI = 90 [chromaticity difference (<i<Duv</i<)<;0.0054] at CCT = 3000 K. In addition, our photometric and colorimetric sensitivity studies provide the dependence of LER, CRI, CCT, and <i<Duv</i< on LED spectral parameters affected by operating temperatures. Finally, we have discovered that higher instabilities may be induced for cool white LEDs (CCT = 6500 K) than for warm white LEDs (CCT = 3000 K) within the analysis of CCT versus spectral parameters. Solid-state lighting light-emitting diodes (LEDs) color rendering index (CRI) luminous efficacy of radiation Applied optics. Photonics Optics. Light Tienmo Shih verfasserin aut Yulin Gao verfasserin aut Yijun Lu verfasserin aut Lihong Zhu verfasserin aut Guolong Chen verfasserin aut Yue Lin verfasserin aut Jihong Zhang verfasserin aut Zhong Chen verfasserin aut In IEEE Photonics Journal IEEE, 2015 5(2013), 2, Seite 8200112-8200112 (DE-627)600310272 (DE-600)2495610-7 19430655 nnns volume:5 year:2013 number:2 pages:8200112-8200112 https://doi.org/10.1109/JPHOT.2013.2245885 kostenfrei https://doaj.org/article/ff940ed8994347a08672a512987ba0c7 kostenfrei https://ieeexplore.ieee.org/document/6458972/ kostenfrei https://doaj.org/toc/1943-0655 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_2003 GBV_ILN_2014 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2013 2 8200112-8200112 |
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Optimization Studies of Two-Phosphor-Coated White Light-Emitting Diodes |
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Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, and two peak heights, optimal results of luminous efficacy radiation (LER) and color rendering index (CRI) are identified and retained through filtering off billions of unqualified candidates. These results include LER = 390 lm/W and CRI = 90 [chromaticity difference (<i<Duv</i<)<;0.0054] at CCT = 3000 K. In addition, our photometric and colorimetric sensitivity studies provide the dependence of LER, CRI, CCT, and <i<Duv</i< on LED spectral parameters affected by operating temperatures. Finally, we have discovered that higher instabilities may be induced for cool white LEDs (CCT = 6500 K) than for warm white LEDs (CCT = 3000 K) within the analysis of CCT versus spectral parameters. |
abstractGer |
Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, and two peak heights, optimal results of luminous efficacy radiation (LER) and color rendering index (CRI) are identified and retained through filtering off billions of unqualified candidates. These results include LER = 390 lm/W and CRI = 90 [chromaticity difference (<i<Duv</i<)<;0.0054] at CCT = 3000 K. In addition, our photometric and colorimetric sensitivity studies provide the dependence of LER, CRI, CCT, and <i<Duv</i< on LED spectral parameters affected by operating temperatures. Finally, we have discovered that higher instabilities may be induced for cool white LEDs (CCT = 6500 K) than for warm white LEDs (CCT = 3000 K) within the analysis of CCT versus spectral parameters. |
abstract_unstemmed |
Three-hump InGaN-based white light-emitting diodes (LEDs) precoated with traditional yellow/green phosphors and red-emitting quantum dots (QDs), have been numerically investigated. Under variations of eight correlated color temperatures (CCTs), three wavelengths, two bandwidths, and two peak heights, optimal results of luminous efficacy radiation (LER) and color rendering index (CRI) are identified and retained through filtering off billions of unqualified candidates. These results include LER = 390 lm/W and CRI = 90 [chromaticity difference (<i<Duv</i<)<;0.0054] at CCT = 3000 K. In addition, our photometric and colorimetric sensitivity studies provide the dependence of LER, CRI, CCT, and <i<Duv</i< on LED spectral parameters affected by operating temperatures. Finally, we have discovered that higher instabilities may be induced for cool white LEDs (CCT = 6500 K) than for warm white LEDs (CCT = 3000 K) within the analysis of CCT versus spectral parameters. |
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