Abstract

We report on the integration of monodisperse semiconductor nanocrystal (NC) color converters onto gallium nitride ultraviolet micro-pixelated light-emitting diodes (‘micro-LEDs’). Integration is achieved in a ‘self-aligned’ process by forming a nanocomposite of the respective NCs in a photocurable epoxy polymer. Blue, green, yellow and red NC/epoxy blend microstructures have been successfully integrated onto micro-pixelated LEDs by this technique and utilised for color conversion, resulting in a five color emission single chip. Optical output power density of up to about 166mW/cm2 is measured; spectral emission at 609nm gives an estimated optical-to-optical conversion as high as 18.2% at 30mA driving current.

© 2008 Optical Society of America

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    [CrossRef]
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    [CrossRef]
  3. Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
    [CrossRef]
  4. D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
    [CrossRef] [PubMed]
  5. M. Q. Zhu, E. Chang, J. Sun, and R. A. Drezek, "Surface modification and functionalization of semiconductor quantum dots through reactive coating of silanes in toluene," J. Mater. Chem. 17, 800-805 (2007).
    [CrossRef]
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    [CrossRef]
  7. L. Pang, Y. Shen, K. Tetz, and Y. Fainman, "PMMA quantum dots composites fabricated via use of pre-polymerisation," Opt. Express. 13,44-49 (2005).
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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  18. X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
    [CrossRef]

2008 (4)

H. Wang, K. S. Lee, J- H. Ryu, C. H. Hong, and Y. H. Cho, "White light emitting diodes realized by using an active packaging method with CdSe/ZnS quantum dots dispersed in photosensitive epoxy resins," Nanotechnol. 19, 145202 (2008).
[CrossRef]

K. N. Hui, P. T. Lai, and H. W. Choi, "Spectral conversion with fluorescent microspheres for light-emitting diodes," Opt. Express. 16, 13-18 (2008).
[CrossRef] [PubMed]

X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
[CrossRef]

H. X. Zhang, D. Massoubre, J. McKendry, Z. Gong, B. Guilhabert, C. Griffin, E. Gu, P. E. Jessop, J. M. Girkin, and M. D. Dawson, "Individually-addressable flip-chip AlInGaN micropixelated light emitting diode arrays with high continuous and nanosecond output power," Opt. Express 16, 9918-9926 (2008).
[CrossRef] [PubMed]

2007 (6)

V. Poher, H. X. Zhang, G. T. Kennedy, C. Griffin, S. Oddos, E. Gu, D. S. Elson, J. M. Girkin, P. M. W. French, M. D. Dawson, and M. A. A. Neil, "Optical sectioning microscopes with no moving parts using a microstripe array light-emitting diode," Opt. Express 15, 11196-11206 (2007).
[CrossRef] [PubMed]

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

L. Yan, J. Y. Zhang, Y. Cui, and Y. Qiao, "Voltage-dependent electroluminescence from colloidal CdSe/ZnS quantum dots," Appl. Phys. Lett. 91, 243114 (2007).
[CrossRef]

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

M. Q. Zhu, E. Chang, J. Sun, and R. A. Drezek, "Surface modification and functionalization of semiconductor quantum dots through reactive coating of silanes in toluene," J. Mater. Chem. 17, 800-805 (2007).
[CrossRef]

2006 (2)

L. G. Krzewina and M. K. Kim, "Single-exposure optical sectioning by color structured illumination microscopy," Opt. Lett. 31, 477-479 (2006).
[CrossRef] [PubMed]

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

2005 (3)

W. J. Parak, T. Pellegrino, and C. Plank, "Labelling of cells with quantum dots," Nanotechnol. 16, 9-25 (2005).
[CrossRef]

L. Pang, K. Tetz, Y. Shen, C. H. Chen, and Y. Fainman, "Photosensitive quantum dot composites and their applications in optical structures," J. Vac. Sci. Technol. B 23, 2413-2418 (2005).
[CrossRef]

L. Pang, Y. Shen, K. Tetz, and Y. Fainman, "PMMA quantum dots composites fabricated via use of pre-polymerisation," Opt. Express. 13,44-49 (2005).
[CrossRef] [PubMed]

2003 (1)

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

2000 (1)

S. X. Jin, J. Li, J.Z. Li, J. Y. Lin, and H. X. Jiang, "GaN microdisk light-emitting diodes," Appl. Phys. Lett. 76, 631 (2000).
[CrossRef]

Belton, C.

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

Bradley, D. D. C.

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

Bruchez, M. P.

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

Butov, L. V.

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

Chang, E.

M. Q. Zhu, E. Chang, J. Sun, and R. A. Drezek, "Surface modification and functionalization of semiconductor quantum dots through reactive coating of silanes in toluene," J. Mater. Chem. 17, 800-805 (2007).
[CrossRef]

Chen, C. H.

L. Pang, K. Tetz, Y. Shen, C. H. Chen, and Y. Fainman, "Photosensitive quantum dot composites and their applications in optical structures," J. Vac. Sci. Technol. B 23, 2413-2418 (2005).
[CrossRef]

Cho, Y. H.

H. Wang, K. S. Lee, J- H. Ryu, C. H. Hong, and Y. H. Cho, "White light emitting diodes realized by using an active packaging method with CdSe/ZnS quantum dots dispersed in photosensitive epoxy resins," Nanotechnol. 19, 145202 (2008).
[CrossRef]

Choi, H. W.

K. N. Hui, P. T. Lai, and H. W. Choi, "Spectral conversion with fluorescent microspheres for light-emitting diodes," Opt. Express. 16, 13-18 (2008).
[CrossRef] [PubMed]

Clark, S. W.

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

Cui, Y.

L. Yan, J. Y. Zhang, Y. Cui, and Y. Qiao, "Voltage-dependent electroluminescence from colloidal CdSe/ZnS quantum dots," Appl. Phys. Lett. 91, 243114 (2007).
[CrossRef]

Dai, H.

X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
[CrossRef]

Dawson, M. D.

H. X. Zhang, D. Massoubre, J. McKendry, Z. Gong, B. Guilhabert, C. Griffin, E. Gu, P. E. Jessop, J. M. Girkin, and M. D. Dawson, "Individually-addressable flip-chip AlInGaN micropixelated light emitting diode arrays with high continuous and nanosecond output power," Opt. Express 16, 9918-9926 (2008).
[CrossRef] [PubMed]

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

V. Poher, H. X. Zhang, G. T. Kennedy, C. Griffin, S. Oddos, E. Gu, D. S. Elson, J. M. Girkin, P. M. W. French, M. D. Dawson, and M. A. A. Neil, "Optical sectioning microscopes with no moving parts using a microstripe array light-emitting diode," Opt. Express 15, 11196-11206 (2007).
[CrossRef] [PubMed]

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

Drezek, R. A.

M. Q. Zhu, E. Chang, J. Sun, and R. A. Drezek, "Surface modification and functionalization of semiconductor quantum dots through reactive coating of silanes in toluene," J. Mater. Chem. 17, 800-805 (2007).
[CrossRef]

Elson, D. S.

Fainman, Y.

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

L. Pang, K. Tetz, Y. Shen, C. H. Chen, and Y. Fainman, "Photosensitive quantum dot composites and their applications in optical structures," J. Vac. Sci. Technol. B 23, 2413-2418 (2005).
[CrossRef]

L. Pang, Y. Shen, K. Tetz, and Y. Fainman, "PMMA quantum dots composites fabricated via use of pre-polymerisation," Opt. Express. 13,44-49 (2005).
[CrossRef] [PubMed]

French, P. M. W.

V. Poher, H. X. Zhang, G. T. Kennedy, C. Griffin, S. Oddos, E. Gu, D. S. Elson, J. M. Girkin, P. M. W. French, M. D. Dawson, and M. A. A. Neil, "Optical sectioning microscopes with no moving parts using a microstripe array light-emitting diode," Opt. Express 15, 11196-11206 (2007).
[CrossRef] [PubMed]

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

Girkin, J. M.

Gong, Z.

H. X. Zhang, D. Massoubre, J. McKendry, Z. Gong, B. Guilhabert, C. Griffin, E. Gu, P. E. Jessop, J. M. Girkin, and M. D. Dawson, "Individually-addressable flip-chip AlInGaN micropixelated light emitting diode arrays with high continuous and nanosecond output power," Opt. Express 16, 9918-9926 (2008).
[CrossRef] [PubMed]

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

Griffin, C.

Griswold, M.

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

Gu, E.

H. X. Zhang, D. Massoubre, J. McKendry, Z. Gong, B. Guilhabert, C. Griffin, E. Gu, P. E. Jessop, J. M. Girkin, and M. D. Dawson, "Individually-addressable flip-chip AlInGaN micropixelated light emitting diode arrays with high continuous and nanosecond output power," Opt. Express 16, 9918-9926 (2008).
[CrossRef] [PubMed]

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

V. Poher, H. X. Zhang, G. T. Kennedy, C. Griffin, S. Oddos, E. Gu, D. S. Elson, J. M. Girkin, P. M. W. French, M. D. Dawson, and M. A. A. Neil, "Optical sectioning microscopes with no moving parts using a microstripe array light-emitting diode," Opt. Express 15, 11196-11206 (2007).
[CrossRef] [PubMed]

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

Guilhabert, B.

Hong, C. H.

H. Wang, K. S. Lee, J- H. Ryu, C. H. Hong, and Y. H. Cho, "White light emitting diodes realized by using an active packaging method with CdSe/ZnS quantum dots dispersed in photosensitive epoxy resins," Nanotechnol. 19, 145202 (2008).
[CrossRef]

Hui, K. N.

K. N. Hui, P. T. Lai, and H. W. Choi, "Spectral conversion with fluorescent microspheres for light-emitting diodes," Opt. Express. 16, 13-18 (2008).
[CrossRef] [PubMed]

Jeon, C. W.

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

Jessop, P. E.

Jiang, H. X.

S. X. Jin, J. Li, J.Z. Li, J. Y. Lin, and H. X. Jiang, "GaN microdisk light-emitting diodes," Appl. Phys. Lett. 76, 631 (2000).
[CrossRef]

Jin, S. X.

S. X. Jin, J. Li, J.Z. Li, J. Y. Lin, and H. X. Jiang, "GaN microdisk light-emitting diodes," Appl. Phys. Lett. 76, 631 (2000).
[CrossRef]

Kennedy, G. T.

Kim, M. K.

Krzewina, L. G.

Kuehne, A. J. C.

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

Lai, P. T.

K. N. Hui, P. T. Lai, and H. W. Choi, "Spectral conversion with fluorescent microspheres for light-emitting diodes," Opt. Express. 16, 13-18 (2008).
[CrossRef] [PubMed]

Larson, D. R.

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

Lee, K. S.

H. Wang, K. S. Lee, J- H. Ryu, C. H. Hong, and Y. H. Cho, "White light emitting diodes realized by using an active packaging method with CdSe/ZnS quantum dots dispersed in photosensitive epoxy resins," Nanotechnol. 19, 145202 (2008).
[CrossRef]

Li, J.

S. X. Jin, J. Li, J.Z. Li, J. Y. Lin, and H. X. Jiang, "GaN microdisk light-emitting diodes," Appl. Phys. Lett. 76, 631 (2000).
[CrossRef]

Li, J.Z.

S. X. Jin, J. Li, J.Z. Li, J. Y. Lin, and H. X. Jiang, "GaN microdisk light-emitting diodes," Appl. Phys. Lett. 76, 631 (2000).
[CrossRef]

Li, L. S.

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Li, Y.

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Lin, J. Y.

S. X. Jin, J. Li, J.Z. Li, J. Y. Lin, and H. X. Jiang, "GaN microdisk light-emitting diodes," Appl. Phys. Lett. 76, 631 (2000).
[CrossRef]

Liu, J.

X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
[CrossRef]

Lu, R.

X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
[CrossRef]

Mackintosh, A. R.

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

Massoubre, D.

McKendry, J.

Neil, M. A. A.

V. Poher, H. X. Zhang, G. T. Kennedy, C. Griffin, S. Oddos, E. Gu, D. S. Elson, J. M. Girkin, P. M. W. French, M. D. Dawson, and M. A. A. Neil, "Optical sectioning microscopes with no moving parts using a microstripe array light-emitting diode," Opt. Express 15, 11196-11206 (2007).
[CrossRef] [PubMed]

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

Oddos, S.

Pang, L.

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

L. Pang, K. Tetz, Y. Shen, C. H. Chen, and Y. Fainman, "Photosensitive quantum dot composites and their applications in optical structures," J. Vac. Sci. Technol. B 23, 2413-2418 (2005).
[CrossRef]

L. Pang, Y. Shen, K. Tetz, and Y. Fainman, "PMMA quantum dots composites fabricated via use of pre-polymerisation," Opt. Express. 13,44-49 (2005).
[CrossRef] [PubMed]

Parak, W. J.

W. J. Parak, T. Pellegrino, and C. Plank, "Labelling of cells with quantum dots," Nanotechnol. 16, 9-25 (2005).
[CrossRef]

Pellegrino, T.

W. J. Parak, T. Pellegrino, and C. Plank, "Labelling of cells with quantum dots," Nanotechnol. 16, 9-25 (2005).
[CrossRef]

Pethrick, R. A.

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

Plank, C.

W. J. Parak, T. Pellegrino, and C. Plank, "Labelling of cells with quantum dots," Nanotechnol. 16, 9-25 (2005).
[CrossRef]

Poher, V.

Qiao, Y.

L. Yan, J. Y. Zhang, Y. Cui, and Y. Qiao, "Voltage-dependent electroluminescence from colloidal CdSe/ZnS quantum dots," Appl. Phys. Lett. 91, 243114 (2007).
[CrossRef]

Ryu, J- H.

H. Wang, K. S. Lee, J- H. Ryu, C. H. Hong, and Y. H. Cho, "White light emitting diodes realized by using an active packaging method with CdSe/ZnS quantum dots dispersed in photosensitive epoxy resins," Nanotechnol. 19, 145202 (2008).
[CrossRef]

Sham, L. J.

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

Shen, Y.

L. Pang, K. Tetz, Y. Shen, C. H. Chen, and Y. Fainman, "Photosensitive quantum dot composites and their applications in optical structures," J. Vac. Sci. Technol. B 23, 2413-2418 (2005).
[CrossRef]

L. Pang, Y. Shen, K. Tetz, and Y. Fainman, "PMMA quantum dots composites fabricated via use of pre-polymerisation," Opt. Express. 13,44-49 (2005).
[CrossRef] [PubMed]

Shen, Y. M.

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

Sun, H. D.

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

Sun, J.

M. Q. Zhu, E. Chang, J. Sun, and R. A. Drezek, "Surface modification and functionalization of semiconductor quantum dots through reactive coating of silanes in toluene," J. Mater. Chem. 17, 800-805 (2007).
[CrossRef]

Sun, Q.

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Sun, X.

X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
[CrossRef]

Tetz, K.

L. Pang, Y. Shen, K. Tetz, and Y. Fainman, "PMMA quantum dots composites fabricated via use of pre-polymerisation," Opt. Express. 13,44-49 (2005).
[CrossRef] [PubMed]

L. Pang, K. Tetz, Y. Shen, C. H. Chen, and Y. Fainman, "Photosensitive quantum dot composites and their applications in optical structures," J. Vac. Sci. Technol. B 23, 2413-2418 (2005).
[CrossRef]

Wang, D.

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Wang, H.

H. Wang, K. S. Lee, J- H. Ryu, C. H. Hong, and Y. H. Cho, "White light emitting diodes realized by using an active packaging method with CdSe/ZnS quantum dots dispersed in photosensitive epoxy resins," Nanotechnol. 19, 145202 (2008).
[CrossRef]

Wang, Y. A.

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Webb, W. W.

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

Williams, R. M.

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

Wise, F. W.

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

Wu, S- T.

X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
[CrossRef]

Xu, J.

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Yan, L.

L. Yan, J. Y. Zhang, Y. Cui, and Y. Qiao, "Voltage-dependent electroluminescence from colloidal CdSe/ZnS quantum dots," Appl. Phys. Lett. 91, 243114 (2007).
[CrossRef]

Yang, C.

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Yang, S.

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

Yin, D.

X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
[CrossRef]

Zhang, H. X.

H. X. Zhang, D. Massoubre, J. McKendry, Z. Gong, B. Guilhabert, C. Griffin, E. Gu, P. E. Jessop, J. M. Girkin, and M. D. Dawson, "Individually-addressable flip-chip AlInGaN micropixelated light emitting diode arrays with high continuous and nanosecond output power," Opt. Express 16, 9918-9926 (2008).
[CrossRef] [PubMed]

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

V. Poher, H. X. Zhang, G. T. Kennedy, C. Griffin, S. Oddos, E. Gu, D. S. Elson, J. M. Girkin, P. M. W. French, M. D. Dawson, and M. A. A. Neil, "Optical sectioning microscopes with no moving parts using a microstripe array light-emitting diode," Opt. Express 15, 11196-11206 (2007).
[CrossRef] [PubMed]

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

Zhang, J. Y.

L. Yan, J. Y. Zhang, Y. Cui, and Y. Qiao, "Voltage-dependent electroluminescence from colloidal CdSe/ZnS quantum dots," Appl. Phys. Lett. 91, 243114 (2007).
[CrossRef]

Zhu, M. Q.

M. Q. Zhu, E. Chang, J. Sun, and R. A. Drezek, "Surface modification and functionalization of semiconductor quantum dots through reactive coating of silanes in toluene," J. Mater. Chem. 17, 800-805 (2007).
[CrossRef]

Zhu, T.

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Zipfel, W. R.

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

Appl. Phys. B (1)

X. Sun, D. Yin, H. Dai, J. Liu, R. Lu, and S- T. Wu, "Intermittent curing and its effect on pulsed laser-induced photopolymerisation," Appl. Phys. B 92, 93-98 (2008).
[CrossRef]

Appl. Phys. Lett. (3)

E. Gu, H. X. Zhang, H. D. Sun, M. D. Dawson, A. R. Mackintosh, A. J. C. Kuehne, R. A. Pethrick, C. Belton, and D. D. C. Bradley, "Hybrid inorganic/organic microstructured light-emitting diodes produced using photocurable polymer blends," Appl. Phys. Lett. 90, 031116 (2007).
[CrossRef]

S. X. Jin, J. Li, J.Z. Li, J. Y. Lin, and H. X. Jiang, "GaN microdisk light-emitting diodes," Appl. Phys. Lett. 76, 631 (2000).
[CrossRef]

L. Yan, J. Y. Zhang, Y. Cui, and Y. Qiao, "Voltage-dependent electroluminescence from colloidal CdSe/ZnS quantum dots," Appl. Phys. Lett. 91, 243114 (2007).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

H. X. Zhang, E. Gu, C. W. Jeon, Z. Gong, M. D. Dawson, M. A. A. Neil, and P. M. W. French, "Microstripe array InGaN light-emitting diodes with indicidually addressable elements," IEEE Photon. Technol. Lett. 18, 1681-1683 (2006).
[CrossRef]

J. Mater. Chem. (1)

M. Q. Zhu, E. Chang, J. Sun, and R. A. Drezek, "Surface modification and functionalization of semiconductor quantum dots through reactive coating of silanes in toluene," J. Mater. Chem. 17, 800-805 (2007).
[CrossRef]

J. Vac. Sci. Technol. B (1)

L. Pang, K. Tetz, Y. Shen, C. H. Chen, and Y. Fainman, "Photosensitive quantum dot composites and their applications in optical structures," J. Vac. Sci. Technol. B 23, 2413-2418 (2005).
[CrossRef]

Nanotechnol. (2)

H. Wang, K. S. Lee, J- H. Ryu, C. H. Hong, and Y. H. Cho, "White light emitting diodes realized by using an active packaging method with CdSe/ZnS quantum dots dispersed in photosensitive epoxy resins," Nanotechnol. 19, 145202 (2008).
[CrossRef]

W. J. Parak, T. Pellegrino, and C. Plank, "Labelling of cells with quantum dots," Nanotechnol. 16, 9-25 (2005).
[CrossRef]

Nature Photon. (1)

Q. Sun, Y. A. Wang, L. S. Li, D. Wang, T. Zhu, J. Xu, C. Yang, and Y. Li, "Bright, multicoloured light-emitting diodes based on quantum dots," Nature Photon. 1, 717-722 (2007).
[CrossRef]

Opt. Express (2)

Opt. Express. (2)

K. N. Hui, P. T. Lai, and H. W. Choi, "Spectral conversion with fluorescent microspheres for light-emitting diodes," Opt. Express. 16, 13-18 (2008).
[CrossRef] [PubMed]

L. Pang, Y. Shen, K. Tetz, and Y. Fainman, "PMMA quantum dots composites fabricated via use of pre-polymerisation," Opt. Express. 13,44-49 (2005).
[CrossRef] [PubMed]

Opt. Lett. (1)

Phys. Rev. B. (1)

Y. M. Shen, L. Pang, Y. Fainman, M. Griswold, S. Yang, L. V. Butov, and L. J. Sham, "Photoluminescence spectral switching of single CdSe/ZnS colloidal nanocrystals in poly(methyl methacrylate)," Phys. Rev. B. 76, 085312 (2007).
[CrossRef]

Science (1)

D. R. Larson, W. R. Zipfel, R. M. Williams, S. W. Clark, M. P. Bruchez, F. W. Wise, and W. W. Webb, "Water-soluble quantum dots for multiphoton fluorescence imaging in vivo," Science 300, 1434-1436 (2003).
[CrossRef] [PubMed]

Other (1)

M. D. Dawson and M. A. A. Neil, eds., "Cluster issue on ‘Micro-pixellated LED’s for science and instrumentation’" J. Phys.D: Appl. Phys. 41, (2008).

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Figures (5)

Fig. 1.
Fig. 1.

Absorbance and emission spectra of the NC nanocomposite films after photocuring

Fig. 2.
Fig. 2.

Optical micrographs of respectively, (a) an integrated nanocomposite microstructure under white light illumination (left), a schematic of the integration (centre) and a representative single operating UV pixel (right) and (b) encapsulated micro-LEDs turned-on showing efficient blue, green, yellow and red colour conversion from the UV-emitting micro-pixels by the NCs nanocomposites.

Fig. 3.
Fig. 3.

Emission spectroscopy of a device with blue, green, yellow and red NCs nanocomposites encapsulating single micro-pixel driven at the same injection current of 3.6mA

Fig. 4.
Fig. 4.

Typical optical powers versus injection current for UV microstripe LED and integrated NC nanocomposites by self-alignment writing.

Fig. 5.
Fig. 5.

Red-emitting NCs nanocomposite emission spectrum optically pumped by the micro-LED underneath over the driving current. Inset, peak area ratio of the emissions at 370nm and 609nm.

Tables (1)

Tables Icon

Table 1. Commercial CdSe/ZnS core/shell NC absorption, fluorescence characteristics, FWHM and concentrations in toluene (from datasheet). Fluorescence peaks are given with an error margin of +/-10nm.

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