Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure
Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-...
Ausführliche Beschreibung
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| Autor*in: |
Lei, Xiang [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: IEEE transactions on electron devices - New York, NY : IEEE, 1963, 63(2016), 2, Seite 691-697 |
|---|---|
| Übergeordnetes Werk: |
volume:63 ; year:2016 ; number:2 ; pages:691-697 |
| Links: |
|---|
| DOI / URN: |
10.1109/TED.2015.2508026 |
|---|
| Katalog-ID: |
OLC1970869666 |
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| 520 | |a Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. | ||
| 650 | 4 | |a Light emitting diodes | |
| 650 | 4 | |a light-emitting diodes (LEDs) | |
| 650 | 4 | |a Lenses | |
| 650 | 4 | |a luminous flux | |
| 650 | 4 | |a Lens | |
| 650 | 4 | |a quantum dots (QDs) | |
| 650 | 4 | |a saturation effect | |
| 650 | 4 | |a Optical device fabrication | |
| 650 | 4 | |a Optical saturation | |
| 650 | 4 | |a Color | |
| 650 | 4 | |a Air gaps | |
| 650 | 4 | |a Packaging | |
| 700 | 1 | |a Liu, Peizhao |4 oth | |
| 700 | 1 | |a Liu, Sheng |4 oth | |
| 700 | 1 | |a Guo, Xing |4 oth | |
| 700 | 1 | |a Chu, Jingcao |4 oth | |
| 700 | 1 | |a Zheng, Huai |4 oth | |
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10.1109/TED.2015.2508026 doi PQ20160307 (DE-627)OLC1970869666 (DE-599)GBVOLC1970869666 (PRQ)c944-ca34fe2acdc78a4bb60f9f72cafe6b14507a185d666e1cfe8dfd15656cb5d0e90 (KEY)0079428720160000063000200691opticalperformanceenhancementofquantumdotbasedligh DE-627 ger DE-627 rakwb eng 620 DNB tec mat Lei, Xiang verfasserin aut Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. Light emitting diodes light-emitting diodes (LEDs) Lenses luminous flux Lens quantum dots (QDs) saturation effect Optical device fabrication Optical saturation Color Air gaps Packaging Liu, Peizhao oth Liu, Sheng oth Guo, Xing oth Chu, Jingcao oth Zheng, Huai oth Enthalten in IEEE transactions on electron devices New York, NY : IEEE, 1963 63(2016), 2, Seite 691-697 (DE-627)129602922 (DE-600)241634-7 (DE-576)015096734 0018-9383 nnns volume:63 year:2016 number:2 pages:691-697 http://dx.doi.org/10.1109/TED.2015.2508026 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7366571 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-MAT GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4313 AR 63 2016 2 691-697 |
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10.1109/TED.2015.2508026 doi PQ20160307 (DE-627)OLC1970869666 (DE-599)GBVOLC1970869666 (PRQ)c944-ca34fe2acdc78a4bb60f9f72cafe6b14507a185d666e1cfe8dfd15656cb5d0e90 (KEY)0079428720160000063000200691opticalperformanceenhancementofquantumdotbasedligh DE-627 ger DE-627 rakwb eng 620 DNB tec mat Lei, Xiang verfasserin aut Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. Light emitting diodes light-emitting diodes (LEDs) Lenses luminous flux Lens quantum dots (QDs) saturation effect Optical device fabrication Optical saturation Color Air gaps Packaging Liu, Peizhao oth Liu, Sheng oth Guo, Xing oth Chu, Jingcao oth Zheng, Huai oth Enthalten in IEEE transactions on electron devices New York, NY : IEEE, 1963 63(2016), 2, Seite 691-697 (DE-627)129602922 (DE-600)241634-7 (DE-576)015096734 0018-9383 nnns volume:63 year:2016 number:2 pages:691-697 http://dx.doi.org/10.1109/TED.2015.2508026 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7366571 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-MAT GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4313 AR 63 2016 2 691-697 |
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10.1109/TED.2015.2508026 doi PQ20160307 (DE-627)OLC1970869666 (DE-599)GBVOLC1970869666 (PRQ)c944-ca34fe2acdc78a4bb60f9f72cafe6b14507a185d666e1cfe8dfd15656cb5d0e90 (KEY)0079428720160000063000200691opticalperformanceenhancementofquantumdotbasedligh DE-627 ger DE-627 rakwb eng 620 DNB tec mat Lei, Xiang verfasserin aut Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. Light emitting diodes light-emitting diodes (LEDs) Lenses luminous flux Lens quantum dots (QDs) saturation effect Optical device fabrication Optical saturation Color Air gaps Packaging Liu, Peizhao oth Liu, Sheng oth Guo, Xing oth Chu, Jingcao oth Zheng, Huai oth Enthalten in IEEE transactions on electron devices New York, NY : IEEE, 1963 63(2016), 2, Seite 691-697 (DE-627)129602922 (DE-600)241634-7 (DE-576)015096734 0018-9383 nnns volume:63 year:2016 number:2 pages:691-697 http://dx.doi.org/10.1109/TED.2015.2508026 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7366571 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-MAT GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4313 AR 63 2016 2 691-697 |
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10.1109/TED.2015.2508026 doi PQ20160307 (DE-627)OLC1970869666 (DE-599)GBVOLC1970869666 (PRQ)c944-ca34fe2acdc78a4bb60f9f72cafe6b14507a185d666e1cfe8dfd15656cb5d0e90 (KEY)0079428720160000063000200691opticalperformanceenhancementofquantumdotbasedligh DE-627 ger DE-627 rakwb eng 620 DNB tec mat Lei, Xiang verfasserin aut Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. Light emitting diodes light-emitting diodes (LEDs) Lenses luminous flux Lens quantum dots (QDs) saturation effect Optical device fabrication Optical saturation Color Air gaps Packaging Liu, Peizhao oth Liu, Sheng oth Guo, Xing oth Chu, Jingcao oth Zheng, Huai oth Enthalten in IEEE transactions on electron devices New York, NY : IEEE, 1963 63(2016), 2, Seite 691-697 (DE-627)129602922 (DE-600)241634-7 (DE-576)015096734 0018-9383 nnns volume:63 year:2016 number:2 pages:691-697 http://dx.doi.org/10.1109/TED.2015.2508026 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7366571 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-MAT GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4313 AR 63 2016 2 691-697 |
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10.1109/TED.2015.2508026 doi PQ20160307 (DE-627)OLC1970869666 (DE-599)GBVOLC1970869666 (PRQ)c944-ca34fe2acdc78a4bb60f9f72cafe6b14507a185d666e1cfe8dfd15656cb5d0e90 (KEY)0079428720160000063000200691opticalperformanceenhancementofquantumdotbasedligh DE-627 ger DE-627 rakwb eng 620 DNB tec mat Lei, Xiang verfasserin aut Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. Light emitting diodes light-emitting diodes (LEDs) Lenses luminous flux Lens quantum dots (QDs) saturation effect Optical device fabrication Optical saturation Color Air gaps Packaging Liu, Peizhao oth Liu, Sheng oth Guo, Xing oth Chu, Jingcao oth Zheng, Huai oth Enthalten in IEEE transactions on electron devices New York, NY : IEEE, 1963 63(2016), 2, Seite 691-697 (DE-627)129602922 (DE-600)241634-7 (DE-576)015096734 0018-9383 nnns volume:63 year:2016 number:2 pages:691-697 http://dx.doi.org/10.1109/TED.2015.2508026 Volltext http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7366571 GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-TEC SSG-OLC-MAT GBV_ILN_70 GBV_ILN_2004 GBV_ILN_4313 AR 63 2016 2 691-697 |
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| author |
Lei, Xiang |
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Lei, Xiang ddc 620 ddc tec misc Light emitting diodes misc light-emitting diodes (LEDs) misc Lenses misc luminous flux misc Lens misc quantum dots (QDs) misc saturation effect misc Optical device fabrication misc Optical saturation misc Color misc Air gaps misc Packaging Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure |
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620 DNB tec mat Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure Light emitting diodes light-emitting diodes (LEDs) Lenses luminous flux Lens quantum dots (QDs) saturation effect Optical device fabrication Optical saturation Color Air gaps Packaging |
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ddc 620 ddc tec misc Light emitting diodes misc light-emitting diodes (LEDs) misc Lenses misc luminous flux misc Lens misc quantum dots (QDs) misc saturation effect misc Optical device fabrication misc Optical saturation misc Color misc Air gaps misc Packaging |
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ddc 620 ddc tec misc Light emitting diodes misc light-emitting diodes (LEDs) misc Lenses misc luminous flux misc Lens misc quantum dots (QDs) misc saturation effect misc Optical device fabrication misc Optical saturation misc Color misc Air gaps misc Packaging |
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ddc 620 ddc tec misc Light emitting diodes misc light-emitting diodes (LEDs) misc Lenses misc luminous flux misc Lens misc quantum dots (QDs) misc saturation effect misc Optical device fabrication misc Optical saturation misc Color misc Air gaps misc Packaging |
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Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure |
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optical performance enhancement of quantum dot-based light-emitting diodes through an optimized remote structure |
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Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure |
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Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. |
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Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. |
| abstract_unstemmed |
Quantum dot (QD)-based light-emitting diodes (LEDs) always show low efficiency and unstable performance at high driving currents due to the saturation effect of QDs. In this paper, a novel remote packaging structure was proposed to reduce the saturation effect and enhance optical performances of QD-based LEDs. In the proposed packaging structure, a crater lens and an air gap between the QD-polymer film and the lens were introduced. The comparison experiments between the proposed structure and the current structures, a fully filling structure, and an air-gap structure with a spherical lens were conducted. The luminous flux increasing rates of current structures were far lower than that of the proposed packaging structure at high driving currents. Consequently, compared with the fully filling structure and the air-gap structure with the spherical lens, the proposed packaging structure has increased the luminous flux by 70.5% and 50.1% at the driving current of 800 mA. In terms of the correlated color temperature stability with the driving current, the proposed packaging structure shows the best performance. In addition, the angular color uniformity has been greatly improved by the proposed packaging structure. |
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Optical Performance Enhancement of Quantum Dot-Based Light-Emitting Diodes Through an Optimized Remote Structure |
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http://dx.doi.org/10.1109/TED.2015.2508026 http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=7366571 |
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Liu, Peizhao Liu, Sheng Guo, Xing Chu, Jingcao Zheng, Huai |
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