Abstract

This study presents an approach for patterning a polydimethylsiloxane (PDMS) phosphor film with a photonic crystal nano-honeycomb structure on a blue chip package. A phosphor film with a nano-honeycomb structure was patterned and transferred using a nanosphere and used for fabricating remote white light-emitting diodes (w-LEDs). The angular correlated color temperature deviation of the remote phosphor LED could be improved by varying nano-honeycomb structure pitches (450, 750, and 1150 nm). In particular, w-LED samples with excellent color uniformity (ΔCCT ranging from 940 to 440 K) were fabricated from 750-nm w-LED samples with nano-honeycomb-patterned tops.

© 2016 Optical Society of America

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    [Crossref]
  2. T. Franzl, D. Koktysh, T. Klar, A. Rogach, J. Feldmann, and N. Gaponik, “Fast energy transfer in layer-by-layer assembled CdTe nanocrystal bilayers,” Appl. Phys. Lett. 84(15), 2904–2906 (2004).
    [Crossref]
  3. E. F. Schubert and J. K. Kim, “Solid-state light sources getting smart,” Science 308(5726), 1274–1278 (2005).
    [Crossref] [PubMed]
  4. D. A. Steigerwald, J. C. Bhat, D. Collins, R. M. Fletcher, M. O. Holcomb, M. J. Ludowise, P. S. Martin, and S. L. Rudaz, “Illumination with solid state lighting technology,” IEEE J. Sel. Top. Quantum Electron. 8(2), 310–320 (2002).
    [Crossref]
  5. J. K. Kim, H. Luo, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Strongly enhanced phosphor efficiency in GaInN white light-emitting diodes using remote phosphor configuration and diffuse reflector cup,” Jpn. J. Appl. Phys. 44(21), L649–L651 (2005).
    [Crossref]
  6. H.-C. Chen, K.-J. Chen, C.-C. Lin, C.-H. Wang, H.-V. Han, H.-H. Tsai, H.-T. Kuo, S.-H. Chien, M.-H. Shih, and H.-C. Kuo, “Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDs,” Nanotechnology 23(26), 265201 (2012).
    [Crossref] [PubMed]
  7. K.-J. Chen, H.-V. Han, H.-C. Chen, C.-C. Lin, S.-H. Chien, C.-C. Huang, T.-M. Chen, M.-H. Shih, and H.-C. Kuo, “White light emitting diodes with enhanced CCT uniformity and luminous flux using ZrO2 nanoparticles,” Nanoscale 6(10), 5378–5383 (2014).
    [Crossref] [PubMed]
  8. Y.-K. Su, P.-C. Wang, C.-L. Lin, G.-S. Huang, and C.-M. Wei, “Enhanced Light Extraction Using Blue LED Package Consisting of-Doped Silicone Layer and Silicone Lens,” IEEE Electron Dev. Lett. 35, 575–577 (2014).
    [Crossref]
  9. H. Sugawara, K. Itaya, and G.-i. Hatakoshi, “Hybrid-type InGaAlP/GaAs distributed Bragg reflectors for InGaAlP light-emitting diodes,” Jpn. J. Appl. Phys. 33(11), 6195–6198 (1994).
    [Crossref]
  10. H.-Y. Lin, K.-J. Chen, S.-W. Wang, C.-C. Lin, K.-Y. Wang, J.-R. Li, P.-T. Lee, M.-H. Shih, X. Li, H.-M. Chen, and H. C. Kuo, “Improvement of light quality by DBR structure in white LED,” Opt. Express 23(3), A27–A33 (2015).
    [Crossref] [PubMed]
  11. L. Yang, S. Wang, Z. Lv, and S. Liu, “Color deviation controlling of phosphor conformal coating by advanced spray painting technology for white LEDs,” Appl. Opt. 52(10), 2075–2079 (2013).
    [Crossref] [PubMed]
  12. Y. Shuai, Y. He, N. T. Tran, and F. G. Shi, “Angular CCT uniformity of phosphor converted white LEDs: Effects of phosphor materials and packaging structures,” IEEE Photonics Technol. Lett. 23(3), 137–139 (2011).
    [Crossref]
  13. Z. Liu, S. Liu, K. Wang, and X. Luo, “Optical analysis of color distribution in white LEDs with various packaging methods,” IEEE Photonics Technol. Lett. 20(24), 2027–2029 (2008).
    [Crossref]
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    [Crossref] [PubMed]
  15. C.-Y. Liu, K.-J. Chen, D.-W. Lin, C.-Y. Lee, C.-C. Lin, S.-H. Chien, M.-H. Shih, G.-C. Chi, C.-Y. Chang, and H.-C. Kuo, “Improvement of emission uniformity by using micro-cone patterned PDMS film,” Opt. Express 22(4), 4516–4522 (2014).
    [Crossref] [PubMed]
  16. L.-C. Chen, C.-K. Wang, J.-B. Huang, and L.-S. Hong, “A nanoporous AlN layer patterned by anodic aluminum oxide and its application as a buffer layer in a GaN-based light-emitting diode,” Nanotechnology 20(8), 085303 (2009).
    [Crossref] [PubMed]
  17. Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
    [Crossref]
  18. J.-K. Huang, D.-W. Lin, M.-H. Shih, K.-Y. Lee, J.-R. Chen, H.-W. Huang, S.-Y. Kuo, C.-H. Lin, P.-T. Lee, and G.-C. Chi, “Investigation and comparison of the GaN-based light-emitting diodes grown on high aspect ratio nano-cone and general micro-cone patterned sapphire substrate,” J. Disp. Technol. 9(12), 947–952 (2013).
    [Crossref]
  19. Y.-J. Lee, C.-H. Chiu, C. C. Ke, P. C. Lin, T.-C. Lu, H.-C. Kuo, and S.-C. Wang, “Study of the excitation power dependent internal quantum efficiency in InGaN/GaN LEDs grown on patterned sapphire substrate,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1137–1143 (2009).
    [Crossref]
  20. C.-H. Chiu, C.-C. Lin, H.-V. Han, C.-Y. Liu, Y.-H. Chen, Y.-P. Lan, P. Yu, H.-C. Kuo, T.-C. Lu, S.-C. Wang, and C. Y. Chang, “High efficiency GaN-based light-emitting diodes with embedded air voids/SiO2 nanomasks,” Nanotechnology 23(4), 045303 (2012).
    [Crossref] [PubMed]
  21. M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
    [Crossref]
  22. J. Zhao, A. Wang, M. A. Green, and F. Ferrazza, “19.8% efficient “honeycomb” textured multicrystalline and 24.4% monocrystalline silicon solar cells,” Appl. Phys. Lett. 73(14), 1991–1993 (1998).
    [Crossref]
  23. G. Widawski, M. Rawiso, and B. Francois, “Self-organized honeycomb morphology of star-polymer polystyrene films,” Nature 369(6479), 387–389 (1994).
    [Crossref]
  24. L. Li, Y. Zhong, C. Ma, J. Li, C. Chen, A. Zhang, D. Tang, S. Xie, and Z. Ma, “Honeycomb-patterned hybrid films and their template applications via a tunable amphiphilic block polymer/inorganic precursor system,” Chem. Mater. 21(20), 4977–4983 (2009).
    [Crossref]
  25. L. A. Connal and G. G. Qiao, “Preparation of Porous Poly (dimethylsiloxane)‐Based Honeycomb Materials with Hierarchal Surface Features and Their Use as Soft‐Lithography Templates,” Adv. Mater. 18(22), 3024–3028 (2006).
    [Crossref]
  26. H. Li and N. Wu, “A large-area nanoscale gold hemisphere pattern as a nanoelectrode array,” Nanotechnology 19(27), 275301 (2008).
    [Crossref] [PubMed]
  27. X.-B. Shi, M. Qian, Z.-K. Wang, and L.-S. Liao, “Nano-honeycomb structured transparent electrode for enhanced light extraction from organic light-emitting diodes,” Appl. Phys. Lett. 106(22), 223301 (2015).
    [Crossref]
  28. C.-C. Lin, W.-L. Liu, and C.-Y. Hsieh, “Scalar scattering model of highly textured transparent conducting oxide,” J. Appl. Phys. 109(1), 014508 (2011).
    [Crossref]
  29. H. T. Chiu, C. Y. Chang, C. L. Chen, T. Y. Chiang, and M. T. Guo, “Preparation and characterization of UV‐curable organic/inorganic hybrid composites for NIR cutoff and antistatic coatings,” J. Appl. Polym. Sci. 120(1), 202–211 (2011).
    [Crossref]

2015 (2)

H.-Y. Lin, K.-J. Chen, S.-W. Wang, C.-C. Lin, K.-Y. Wang, J.-R. Li, P.-T. Lee, M.-H. Shih, X. Li, H.-M. Chen, and H. C. Kuo, “Improvement of light quality by DBR structure in white LED,” Opt. Express 23(3), A27–A33 (2015).
[Crossref] [PubMed]

X.-B. Shi, M. Qian, Z.-K. Wang, and L.-S. Liao, “Nano-honeycomb structured transparent electrode for enhanced light extraction from organic light-emitting diodes,” Appl. Phys. Lett. 106(22), 223301 (2015).
[Crossref]

2014 (3)

C.-Y. Liu, K.-J. Chen, D.-W. Lin, C.-Y. Lee, C.-C. Lin, S.-H. Chien, M.-H. Shih, G.-C. Chi, C.-Y. Chang, and H.-C. Kuo, “Improvement of emission uniformity by using micro-cone patterned PDMS film,” Opt. Express 22(4), 4516–4522 (2014).
[Crossref] [PubMed]

K.-J. Chen, H.-V. Han, H.-C. Chen, C.-C. Lin, S.-H. Chien, C.-C. Huang, T.-M. Chen, M.-H. Shih, and H.-C. Kuo, “White light emitting diodes with enhanced CCT uniformity and luminous flux using ZrO2 nanoparticles,” Nanoscale 6(10), 5378–5383 (2014).
[Crossref] [PubMed]

Y.-K. Su, P.-C. Wang, C.-L. Lin, G.-S. Huang, and C.-M. Wei, “Enhanced Light Extraction Using Blue LED Package Consisting of-Doped Silicone Layer and Silicone Lens,” IEEE Electron Dev. Lett. 35, 575–577 (2014).
[Crossref]

2013 (3)

L. Yang, Z. Lv, Y. Jiaojiao, and S. Liu, “Effects of melamine formaldehyde resin and CaCO3 diffuser-loaded encapsulation on correlated color temperature uniformity of phosphor-converted LEDs,” Appl. Opt. 52(22), 5539–5544 (2013).
[Crossref] [PubMed]

L. Yang, S. Wang, Z. Lv, and S. Liu, “Color deviation controlling of phosphor conformal coating by advanced spray painting technology for white LEDs,” Appl. Opt. 52(10), 2075–2079 (2013).
[Crossref] [PubMed]

J.-K. Huang, D.-W. Lin, M.-H. Shih, K.-Y. Lee, J.-R. Chen, H.-W. Huang, S.-Y. Kuo, C.-H. Lin, P.-T. Lee, and G.-C. Chi, “Investigation and comparison of the GaN-based light-emitting diodes grown on high aspect ratio nano-cone and general micro-cone patterned sapphire substrate,” J. Disp. Technol. 9(12), 947–952 (2013).
[Crossref]

2012 (3)

C.-H. Chiu, C.-C. Lin, H.-V. Han, C.-Y. Liu, Y.-H. Chen, Y.-P. Lan, P. Yu, H.-C. Kuo, T.-C. Lu, S.-C. Wang, and C. Y. Chang, “High efficiency GaN-based light-emitting diodes with embedded air voids/SiO2 nanomasks,” Nanotechnology 23(4), 045303 (2012).
[Crossref] [PubMed]

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

H.-C. Chen, K.-J. Chen, C.-C. Lin, C.-H. Wang, H.-V. Han, H.-H. Tsai, H.-T. Kuo, S.-H. Chien, M.-H. Shih, and H.-C. Kuo, “Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDs,” Nanotechnology 23(26), 265201 (2012).
[Crossref] [PubMed]

2011 (4)

Y. Shuai, Y. He, N. T. Tran, and F. G. Shi, “Angular CCT uniformity of phosphor converted white LEDs: Effects of phosphor materials and packaging structures,” IEEE Photonics Technol. Lett. 23(3), 137–139 (2011).
[Crossref]

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

C.-C. Lin, W.-L. Liu, and C.-Y. Hsieh, “Scalar scattering model of highly textured transparent conducting oxide,” J. Appl. Phys. 109(1), 014508 (2011).
[Crossref]

H. T. Chiu, C. Y. Chang, C. L. Chen, T. Y. Chiang, and M. T. Guo, “Preparation and characterization of UV‐curable organic/inorganic hybrid composites for NIR cutoff and antistatic coatings,” J. Appl. Polym. Sci. 120(1), 202–211 (2011).
[Crossref]

2009 (3)

Y.-J. Lee, C.-H. Chiu, C. C. Ke, P. C. Lin, T.-C. Lu, H.-C. Kuo, and S.-C. Wang, “Study of the excitation power dependent internal quantum efficiency in InGaN/GaN LEDs grown on patterned sapphire substrate,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1137–1143 (2009).
[Crossref]

L. Li, Y. Zhong, C. Ma, J. Li, C. Chen, A. Zhang, D. Tang, S. Xie, and Z. Ma, “Honeycomb-patterned hybrid films and their template applications via a tunable amphiphilic block polymer/inorganic precursor system,” Chem. Mater. 21(20), 4977–4983 (2009).
[Crossref]

L.-C. Chen, C.-K. Wang, J.-B. Huang, and L.-S. Hong, “A nanoporous AlN layer patterned by anodic aluminum oxide and its application as a buffer layer in a GaN-based light-emitting diode,” Nanotechnology 20(8), 085303 (2009).
[Crossref] [PubMed]

2008 (2)

Z. Liu, S. Liu, K. Wang, and X. Luo, “Optical analysis of color distribution in white LEDs with various packaging methods,” IEEE Photonics Technol. Lett. 20(24), 2027–2029 (2008).
[Crossref]

H. Li and N. Wu, “A large-area nanoscale gold hemisphere pattern as a nanoelectrode array,” Nanotechnology 19(27), 275301 (2008).
[Crossref] [PubMed]

2006 (1)

L. A. Connal and G. G. Qiao, “Preparation of Porous Poly (dimethylsiloxane)‐Based Honeycomb Materials with Hierarchal Surface Features and Their Use as Soft‐Lithography Templates,” Adv. Mater. 18(22), 3024–3028 (2006).
[Crossref]

2005 (2)

J. K. Kim, H. Luo, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Strongly enhanced phosphor efficiency in GaInN white light-emitting diodes using remote phosphor configuration and diffuse reflector cup,” Jpn. J. Appl. Phys. 44(21), L649–L651 (2005).
[Crossref]

E. F. Schubert and J. K. Kim, “Solid-state light sources getting smart,” Science 308(5726), 1274–1278 (2005).
[Crossref] [PubMed]

2004 (1)

T. Franzl, D. Koktysh, T. Klar, A. Rogach, J. Feldmann, and N. Gaponik, “Fast energy transfer in layer-by-layer assembled CdTe nanocrystal bilayers,” Appl. Phys. Lett. 84(15), 2904–2906 (2004).
[Crossref]

2002 (1)

D. A. Steigerwald, J. C. Bhat, D. Collins, R. M. Fletcher, M. O. Holcomb, M. J. Ludowise, P. S. Martin, and S. L. Rudaz, “Illumination with solid state lighting technology,” IEEE J. Sel. Top. Quantum Electron. 8(2), 310–320 (2002).
[Crossref]

1998 (1)

J. Zhao, A. Wang, M. A. Green, and F. Ferrazza, “19.8% efficient “honeycomb” textured multicrystalline and 24.4% monocrystalline silicon solar cells,” Appl. Phys. Lett. 73(14), 1991–1993 (1998).
[Crossref]

1994 (3)

G. Widawski, M. Rawiso, and B. Francois, “Self-organized honeycomb morphology of star-polymer polystyrene films,” Nature 369(6479), 387–389 (1994).
[Crossref]

S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGan/AlGan double-heterostructure blue-light-emitting diodes,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
[Crossref]

H. Sugawara, K. Itaya, and G.-i. Hatakoshi, “Hybrid-type InGaAlP/GaAs distributed Bragg reflectors for InGaAlP light-emitting diodes,” Jpn. J. Appl. Phys. 33(11), 6195–6198 (1994).
[Crossref]

Ali, M.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Bert, N.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Bhat, J. C.

D. A. Steigerwald, J. C. Bhat, D. Collins, R. M. Fletcher, M. O. Holcomb, M. J. Ludowise, P. S. Martin, and S. L. Rudaz, “Illumination with solid state lighting technology,” IEEE J. Sel. Top. Quantum Electron. 8(2), 310–320 (2002).
[Crossref]

Bougrov, V. E.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Chang, C. Y.

C.-H. Chiu, C.-C. Lin, H.-V. Han, C.-Y. Liu, Y.-H. Chen, Y.-P. Lan, P. Yu, H.-C. Kuo, T.-C. Lu, S.-C. Wang, and C. Y. Chang, “High efficiency GaN-based light-emitting diodes with embedded air voids/SiO2 nanomasks,” Nanotechnology 23(4), 045303 (2012).
[Crossref] [PubMed]

H. T. Chiu, C. Y. Chang, C. L. Chen, T. Y. Chiang, and M. T. Guo, “Preparation and characterization of UV‐curable organic/inorganic hybrid composites for NIR cutoff and antistatic coatings,” J. Appl. Polym. Sci. 120(1), 202–211 (2011).
[Crossref]

Chang, C.-Y.

Chen, C.

L. Li, Y. Zhong, C. Ma, J. Li, C. Chen, A. Zhang, D. Tang, S. Xie, and Z. Ma, “Honeycomb-patterned hybrid films and their template applications via a tunable amphiphilic block polymer/inorganic precursor system,” Chem. Mater. 21(20), 4977–4983 (2009).
[Crossref]

Chen, C. L.

H. T. Chiu, C. Y. Chang, C. L. Chen, T. Y. Chiang, and M. T. Guo, “Preparation and characterization of UV‐curable organic/inorganic hybrid composites for NIR cutoff and antistatic coatings,” J. Appl. Polym. Sci. 120(1), 202–211 (2011).
[Crossref]

Chen, H.-C.

K.-J. Chen, H.-V. Han, H.-C. Chen, C.-C. Lin, S.-H. Chien, C.-C. Huang, T.-M. Chen, M.-H. Shih, and H.-C. Kuo, “White light emitting diodes with enhanced CCT uniformity and luminous flux using ZrO2 nanoparticles,” Nanoscale 6(10), 5378–5383 (2014).
[Crossref] [PubMed]

H.-C. Chen, K.-J. Chen, C.-C. Lin, C.-H. Wang, H.-V. Han, H.-H. Tsai, H.-T. Kuo, S.-H. Chien, M.-H. Shih, and H.-C. Kuo, “Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDs,” Nanotechnology 23(26), 265201 (2012).
[Crossref] [PubMed]

Chen, H.-M.

Chen, J.-R.

J.-K. Huang, D.-W. Lin, M.-H. Shih, K.-Y. Lee, J.-R. Chen, H.-W. Huang, S.-Y. Kuo, C.-H. Lin, P.-T. Lee, and G.-C. Chi, “Investigation and comparison of the GaN-based light-emitting diodes grown on high aspect ratio nano-cone and general micro-cone patterned sapphire substrate,” J. Disp. Technol. 9(12), 947–952 (2013).
[Crossref]

Chen, K.-J.

H.-Y. Lin, K.-J. Chen, S.-W. Wang, C.-C. Lin, K.-Y. Wang, J.-R. Li, P.-T. Lee, M.-H. Shih, X. Li, H.-M. Chen, and H. C. Kuo, “Improvement of light quality by DBR structure in white LED,” Opt. Express 23(3), A27–A33 (2015).
[Crossref] [PubMed]

C.-Y. Liu, K.-J. Chen, D.-W. Lin, C.-Y. Lee, C.-C. Lin, S.-H. Chien, M.-H. Shih, G.-C. Chi, C.-Y. Chang, and H.-C. Kuo, “Improvement of emission uniformity by using micro-cone patterned PDMS film,” Opt. Express 22(4), 4516–4522 (2014).
[Crossref] [PubMed]

K.-J. Chen, H.-V. Han, H.-C. Chen, C.-C. Lin, S.-H. Chien, C.-C. Huang, T.-M. Chen, M.-H. Shih, and H.-C. Kuo, “White light emitting diodes with enhanced CCT uniformity and luminous flux using ZrO2 nanoparticles,” Nanoscale 6(10), 5378–5383 (2014).
[Crossref] [PubMed]

H.-C. Chen, K.-J. Chen, C.-C. Lin, C.-H. Wang, H.-V. Han, H.-H. Tsai, H.-T. Kuo, S.-H. Chien, M.-H. Shih, and H.-C. Kuo, “Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDs,” Nanotechnology 23(26), 265201 (2012).
[Crossref] [PubMed]

Chen, L.-C.

L.-C. Chen, C.-K. Wang, J.-B. Huang, and L.-S. Hong, “A nanoporous AlN layer patterned by anodic aluminum oxide and its application as a buffer layer in a GaN-based light-emitting diode,” Nanotechnology 20(8), 085303 (2009).
[Crossref] [PubMed]

Chen, T.-M.

K.-J. Chen, H.-V. Han, H.-C. Chen, C.-C. Lin, S.-H. Chien, C.-C. Huang, T.-M. Chen, M.-H. Shih, and H.-C. Kuo, “White light emitting diodes with enhanced CCT uniformity and luminous flux using ZrO2 nanoparticles,” Nanoscale 6(10), 5378–5383 (2014).
[Crossref] [PubMed]

Chen, Y.-H.

C.-H. Chiu, C.-C. Lin, H.-V. Han, C.-Y. Liu, Y.-H. Chen, Y.-P. Lan, P. Yu, H.-C. Kuo, T.-C. Lu, S.-C. Wang, and C. Y. Chang, “High efficiency GaN-based light-emitting diodes with embedded air voids/SiO2 nanomasks,” Nanotechnology 23(4), 045303 (2012).
[Crossref] [PubMed]

Chi, G.-C.

C.-Y. Liu, K.-J. Chen, D.-W. Lin, C.-Y. Lee, C.-C. Lin, S.-H. Chien, M.-H. Shih, G.-C. Chi, C.-Y. Chang, and H.-C. Kuo, “Improvement of emission uniformity by using micro-cone patterned PDMS film,” Opt. Express 22(4), 4516–4522 (2014).
[Crossref] [PubMed]

J.-K. Huang, D.-W. Lin, M.-H. Shih, K.-Y. Lee, J.-R. Chen, H.-W. Huang, S.-Y. Kuo, C.-H. Lin, P.-T. Lee, and G.-C. Chi, “Investigation and comparison of the GaN-based light-emitting diodes grown on high aspect ratio nano-cone and general micro-cone patterned sapphire substrate,” J. Disp. Technol. 9(12), 947–952 (2013).
[Crossref]

Chiang, T. Y.

H. T. Chiu, C. Y. Chang, C. L. Chen, T. Y. Chiang, and M. T. Guo, “Preparation and characterization of UV‐curable organic/inorganic hybrid composites for NIR cutoff and antistatic coatings,” J. Appl. Polym. Sci. 120(1), 202–211 (2011).
[Crossref]

Chien, S.-H.

K.-J. Chen, H.-V. Han, H.-C. Chen, C.-C. Lin, S.-H. Chien, C.-C. Huang, T.-M. Chen, M.-H. Shih, and H.-C. Kuo, “White light emitting diodes with enhanced CCT uniformity and luminous flux using ZrO2 nanoparticles,” Nanoscale 6(10), 5378–5383 (2014).
[Crossref] [PubMed]

C.-Y. Liu, K.-J. Chen, D.-W. Lin, C.-Y. Lee, C.-C. Lin, S.-H. Chien, M.-H. Shih, G.-C. Chi, C.-Y. Chang, and H.-C. Kuo, “Improvement of emission uniformity by using micro-cone patterned PDMS film,” Opt. Express 22(4), 4516–4522 (2014).
[Crossref] [PubMed]

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[Crossref]

Nevedomsky, V.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Odnoblyudov, M.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Park, Y.

J. K. Kim, H. Luo, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Strongly enhanced phosphor efficiency in GaInN white light-emitting diodes using remote phosphor configuration and diffuse reflector cup,” Jpn. J. Appl. Phys. 44(21), L649–L651 (2005).
[Crossref]

Qian, M.

X.-B. Shi, M. Qian, Z.-K. Wang, and L.-S. Liao, “Nano-honeycomb structured transparent electrode for enhanced light extraction from organic light-emitting diodes,” Appl. Phys. Lett. 106(22), 223301 (2015).
[Crossref]

Qiao, G. G.

L. A. Connal and G. G. Qiao, “Preparation of Porous Poly (dimethylsiloxane)‐Based Honeycomb Materials with Hierarchal Surface Features and Their Use as Soft‐Lithography Templates,” Adv. Mater. 18(22), 3024–3028 (2006).
[Crossref]

Rawiso, M.

G. Widawski, M. Rawiso, and B. Francois, “Self-organized honeycomb morphology of star-polymer polystyrene films,” Nature 369(6479), 387–389 (1994).
[Crossref]

Rogach, A.

T. Franzl, D. Koktysh, T. Klar, A. Rogach, J. Feldmann, and N. Gaponik, “Fast energy transfer in layer-by-layer assembled CdTe nanocrystal bilayers,” Appl. Phys. Lett. 84(15), 2904–2906 (2004).
[Crossref]

Romanov, A.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Rudaz, S. L.

D. A. Steigerwald, J. C. Bhat, D. Collins, R. M. Fletcher, M. O. Holcomb, M. J. Ludowise, P. S. Martin, and S. L. Rudaz, “Illumination with solid state lighting technology,” IEEE J. Sel. Top. Quantum Electron. 8(2), 310–320 (2002).
[Crossref]

Schubert, E. F.

J. K. Kim, H. Luo, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Strongly enhanced phosphor efficiency in GaInN white light-emitting diodes using remote phosphor configuration and diffuse reflector cup,” Jpn. J. Appl. Phys. 44(21), L649–L651 (2005).
[Crossref]

E. F. Schubert and J. K. Kim, “Solid-state light sources getting smart,” Science 308(5726), 1274–1278 (2005).
[Crossref] [PubMed]

Senoh, M.

S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGan/AlGan double-heterostructure blue-light-emitting diodes,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
[Crossref]

Shi, F. G.

Y. Shuai, Y. He, N. T. Tran, and F. G. Shi, “Angular CCT uniformity of phosphor converted white LEDs: Effects of phosphor materials and packaging structures,” IEEE Photonics Technol. Lett. 23(3), 137–139 (2011).
[Crossref]

Shi, X.-B.

X.-B. Shi, M. Qian, Z.-K. Wang, and L.-S. Liao, “Nano-honeycomb structured transparent electrode for enhanced light extraction from organic light-emitting diodes,” Appl. Phys. Lett. 106(22), 223301 (2015).
[Crossref]

Shih, M.-H.

H.-Y. Lin, K.-J. Chen, S.-W. Wang, C.-C. Lin, K.-Y. Wang, J.-R. Li, P.-T. Lee, M.-H. Shih, X. Li, H.-M. Chen, and H. C. Kuo, “Improvement of light quality by DBR structure in white LED,” Opt. Express 23(3), A27–A33 (2015).
[Crossref] [PubMed]

C.-Y. Liu, K.-J. Chen, D.-W. Lin, C.-Y. Lee, C.-C. Lin, S.-H. Chien, M.-H. Shih, G.-C. Chi, C.-Y. Chang, and H.-C. Kuo, “Improvement of emission uniformity by using micro-cone patterned PDMS film,” Opt. Express 22(4), 4516–4522 (2014).
[Crossref] [PubMed]

K.-J. Chen, H.-V. Han, H.-C. Chen, C.-C. Lin, S.-H. Chien, C.-C. Huang, T.-M. Chen, M.-H. Shih, and H.-C. Kuo, “White light emitting diodes with enhanced CCT uniformity and luminous flux using ZrO2 nanoparticles,” Nanoscale 6(10), 5378–5383 (2014).
[Crossref] [PubMed]

J.-K. Huang, D.-W. Lin, M.-H. Shih, K.-Y. Lee, J.-R. Chen, H.-W. Huang, S.-Y. Kuo, C.-H. Lin, P.-T. Lee, and G.-C. Chi, “Investigation and comparison of the GaN-based light-emitting diodes grown on high aspect ratio nano-cone and general micro-cone patterned sapphire substrate,” J. Disp. Technol. 9(12), 947–952 (2013).
[Crossref]

H.-C. Chen, K.-J. Chen, C.-C. Lin, C.-H. Wang, H.-V. Han, H.-H. Tsai, H.-T. Kuo, S.-H. Chien, M.-H. Shih, and H.-C. Kuo, “Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDs,” Nanotechnology 23(26), 265201 (2012).
[Crossref] [PubMed]

Shuai, Y.

Y. Shuai, Y. He, N. T. Tran, and F. G. Shi, “Angular CCT uniformity of phosphor converted white LEDs: Effects of phosphor materials and packaging structures,” IEEE Photonics Technol. Lett. 23(3), 137–139 (2011).
[Crossref]

Sintonen, S.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Sone, C.

J. K. Kim, H. Luo, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Strongly enhanced phosphor efficiency in GaInN white light-emitting diodes using remote phosphor configuration and diffuse reflector cup,” Jpn. J. Appl. Phys. 44(21), L649–L651 (2005).
[Crossref]

Sopanen, M.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Steigerwald, D. A.

D. A. Steigerwald, J. C. Bhat, D. Collins, R. M. Fletcher, M. O. Holcomb, M. J. Ludowise, P. S. Martin, and S. L. Rudaz, “Illumination with solid state lighting technology,” IEEE J. Sel. Top. Quantum Electron. 8(2), 310–320 (2002).
[Crossref]

Su, Y.-K.

Y.-K. Su, P.-C. Wang, C.-L. Lin, G.-S. Huang, and C.-M. Wei, “Enhanced Light Extraction Using Blue LED Package Consisting of-Doped Silicone Layer and Silicone Lens,” IEEE Electron Dev. Lett. 35, 575–577 (2014).
[Crossref]

Sugawara, H.

H. Sugawara, K. Itaya, and G.-i. Hatakoshi, “Hybrid-type InGaAlP/GaAs distributed Bragg reflectors for InGaAlP light-emitting diodes,” Jpn. J. Appl. Phys. 33(11), 6195–6198 (1994).
[Crossref]

Suihkonen, S.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Svensk, O.

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

Tamura, N.

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

Tanaka, S.

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

Tang, D.

L. Li, Y. Zhong, C. Ma, J. Li, C. Chen, A. Zhang, D. Tang, S. Xie, and Z. Ma, “Honeycomb-patterned hybrid films and their template applications via a tunable amphiphilic block polymer/inorganic precursor system,” Chem. Mater. 21(20), 4977–4983 (2009).
[Crossref]

Taniguchi, Y.

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

Tran, N. T.

Y. Shuai, Y. He, N. T. Tran, and F. G. Shi, “Angular CCT uniformity of phosphor converted white LEDs: Effects of phosphor materials and packaging structures,” IEEE Photonics Technol. Lett. 23(3), 137–139 (2011).
[Crossref]

Tsai, H.-H.

H.-C. Chen, K.-J. Chen, C.-C. Lin, C.-H. Wang, H.-V. Han, H.-H. Tsai, H.-T. Kuo, S.-H. Chien, M.-H. Shih, and H.-C. Kuo, “Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDs,” Nanotechnology 23(26), 265201 (2012).
[Crossref] [PubMed]

Wang, A.

J. Zhao, A. Wang, M. A. Green, and F. Ferrazza, “19.8% efficient “honeycomb” textured multicrystalline and 24.4% monocrystalline silicon solar cells,” Appl. Phys. Lett. 73(14), 1991–1993 (1998).
[Crossref]

Wang, C.-H.

H.-C. Chen, K.-J. Chen, C.-C. Lin, C.-H. Wang, H.-V. Han, H.-H. Tsai, H.-T. Kuo, S.-H. Chien, M.-H. Shih, and H.-C. Kuo, “Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDs,” Nanotechnology 23(26), 265201 (2012).
[Crossref] [PubMed]

Wang, C.-K.

L.-C. Chen, C.-K. Wang, J.-B. Huang, and L.-S. Hong, “A nanoporous AlN layer patterned by anodic aluminum oxide and its application as a buffer layer in a GaN-based light-emitting diode,” Nanotechnology 20(8), 085303 (2009).
[Crossref] [PubMed]

Wang, K.

Z. Liu, S. Liu, K. Wang, and X. Luo, “Optical analysis of color distribution in white LEDs with various packaging methods,” IEEE Photonics Technol. Lett. 20(24), 2027–2029 (2008).
[Crossref]

Wang, K.-Y.

Wang, P.-C.

Y.-K. Su, P.-C. Wang, C.-L. Lin, G.-S. Huang, and C.-M. Wei, “Enhanced Light Extraction Using Blue LED Package Consisting of-Doped Silicone Layer and Silicone Lens,” IEEE Electron Dev. Lett. 35, 575–577 (2014).
[Crossref]

Wang, S.

Wang, S.-C.

C.-H. Chiu, C.-C. Lin, H.-V. Han, C.-Y. Liu, Y.-H. Chen, Y.-P. Lan, P. Yu, H.-C. Kuo, T.-C. Lu, S.-C. Wang, and C. Y. Chang, “High efficiency GaN-based light-emitting diodes with embedded air voids/SiO2 nanomasks,” Nanotechnology 23(4), 045303 (2012).
[Crossref] [PubMed]

Y.-J. Lee, C.-H. Chiu, C. C. Ke, P. C. Lin, T.-C. Lu, H.-C. Kuo, and S.-C. Wang, “Study of the excitation power dependent internal quantum efficiency in InGaN/GaN LEDs grown on patterned sapphire substrate,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1137–1143 (2009).
[Crossref]

Wang, S.-W.

Wang, Z.-K.

X.-B. Shi, M. Qian, Z.-K. Wang, and L.-S. Liao, “Nano-honeycomb structured transparent electrode for enhanced light extraction from organic light-emitting diodes,” Appl. Phys. Lett. 106(22), 223301 (2015).
[Crossref]

Wei, C.-M.

Y.-K. Su, P.-C. Wang, C.-L. Lin, G.-S. Huang, and C.-M. Wei, “Enhanced Light Extraction Using Blue LED Package Consisting of-Doped Silicone Layer and Silicone Lens,” IEEE Electron Dev. Lett. 35, 575–577 (2014).
[Crossref]

Wetzel, C.

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

Widawski, G.

G. Widawski, M. Rawiso, and B. Francois, “Self-organized honeycomb morphology of star-polymer polystyrene films,” Nature 369(6479), 387–389 (1994).
[Crossref]

Wu, N.

H. Li and N. Wu, “A large-area nanoscale gold hemisphere pattern as a nanoelectrode array,” Nanotechnology 19(27), 275301 (2008).
[Crossref] [PubMed]

Xie, S.

L. Li, Y. Zhong, C. Ma, J. Li, C. Chen, A. Zhang, D. Tang, S. Xie, and Z. Ma, “Honeycomb-patterned hybrid films and their template applications via a tunable amphiphilic block polymer/inorganic precursor system,” Chem. Mater. 21(20), 4977–4983 (2009).
[Crossref]

Yang, L.

You, S.

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

Yu, P.

C.-H. Chiu, C.-C. Lin, H.-V. Han, C.-Y. Liu, Y.-H. Chen, Y.-P. Lan, P. Yu, H.-C. Kuo, T.-C. Lu, S.-C. Wang, and C. Y. Chang, “High efficiency GaN-based light-emitting diodes with embedded air voids/SiO2 nanomasks,” Nanotechnology 23(4), 045303 (2012).
[Crossref] [PubMed]

Zhang, A.

L. Li, Y. Zhong, C. Ma, J. Li, C. Chen, A. Zhang, D. Tang, S. Xie, and Z. Ma, “Honeycomb-patterned hybrid films and their template applications via a tunable amphiphilic block polymer/inorganic precursor system,” Chem. Mater. 21(20), 4977–4983 (2009).
[Crossref]

Zhao, J.

J. Zhao, A. Wang, M. A. Green, and F. Ferrazza, “19.8% efficient “honeycomb” textured multicrystalline and 24.4% monocrystalline silicon solar cells,” Appl. Phys. Lett. 73(14), 1991–1993 (1998).
[Crossref]

Zhao, L.

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

Zhong, Y.

L. Li, Y. Zhong, C. Ma, J. Li, C. Chen, A. Zhang, D. Tang, S. Xie, and Z. Ma, “Honeycomb-patterned hybrid films and their template applications via a tunable amphiphilic block polymer/inorganic precursor system,” Chem. Mater. 21(20), 4977–4983 (2009).
[Crossref]

Zhu, M.

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

Adv. Mater. (1)

L. A. Connal and G. G. Qiao, “Preparation of Porous Poly (dimethylsiloxane)‐Based Honeycomb Materials with Hierarchal Surface Features and Their Use as Soft‐Lithography Templates,” Adv. Mater. 18(22), 3024–3028 (2006).
[Crossref]

Appl. Opt. (2)

Appl. Phys. Lett. (5)

Y. Li, S. You, M. Zhu, L. Zhao, W. Hou, T. Detchprohm, Y. Taniguchi, N. Tamura, S. Tanaka, and C. Wetzel, “Defect-reduced green GaInN/GaN light-emitting diode on nanopatterned sapphire,” Appl. Phys. Lett. 98(15), 151102 (2011).
[Crossref]

S. Nakamura, T. Mukai, and M. Senoh, “Candela-class high-brightness InGan/AlGan double-heterostructure blue-light-emitting diodes,” Appl. Phys. Lett. 64(13), 1687–1689 (1994).
[Crossref]

T. Franzl, D. Koktysh, T. Klar, A. Rogach, J. Feldmann, and N. Gaponik, “Fast energy transfer in layer-by-layer assembled CdTe nanocrystal bilayers,” Appl. Phys. Lett. 84(15), 2904–2906 (2004).
[Crossref]

X.-B. Shi, M. Qian, Z.-K. Wang, and L.-S. Liao, “Nano-honeycomb structured transparent electrode for enhanced light extraction from organic light-emitting diodes,” Appl. Phys. Lett. 106(22), 223301 (2015).
[Crossref]

J. Zhao, A. Wang, M. A. Green, and F. Ferrazza, “19.8% efficient “honeycomb” textured multicrystalline and 24.4% monocrystalline silicon solar cells,” Appl. Phys. Lett. 73(14), 1991–1993 (1998).
[Crossref]

Chem. Mater. (1)

L. Li, Y. Zhong, C. Ma, J. Li, C. Chen, A. Zhang, D. Tang, S. Xie, and Z. Ma, “Honeycomb-patterned hybrid films and their template applications via a tunable amphiphilic block polymer/inorganic precursor system,” Chem. Mater. 21(20), 4977–4983 (2009).
[Crossref]

IEEE Electron Dev. Lett. (1)

Y.-K. Su, P.-C. Wang, C.-L. Lin, G.-S. Huang, and C.-M. Wei, “Enhanced Light Extraction Using Blue LED Package Consisting of-Doped Silicone Layer and Silicone Lens,” IEEE Electron Dev. Lett. 35, 575–577 (2014).
[Crossref]

IEEE J. Sel. Top. Quantum Electron. (2)

D. A. Steigerwald, J. C. Bhat, D. Collins, R. M. Fletcher, M. O. Holcomb, M. J. Ludowise, P. S. Martin, and S. L. Rudaz, “Illumination with solid state lighting technology,” IEEE J. Sel. Top. Quantum Electron. 8(2), 310–320 (2002).
[Crossref]

Y.-J. Lee, C.-H. Chiu, C. C. Ke, P. C. Lin, T.-C. Lu, H.-C. Kuo, and S.-C. Wang, “Study of the excitation power dependent internal quantum efficiency in InGaN/GaN LEDs grown on patterned sapphire substrate,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1137–1143 (2009).
[Crossref]

IEEE Photonics Technol. Lett. (2)

Y. Shuai, Y. He, N. T. Tran, and F. G. Shi, “Angular CCT uniformity of phosphor converted white LEDs: Effects of phosphor materials and packaging structures,” IEEE Photonics Technol. Lett. 23(3), 137–139 (2011).
[Crossref]

Z. Liu, S. Liu, K. Wang, and X. Luo, “Optical analysis of color distribution in white LEDs with various packaging methods,” IEEE Photonics Technol. Lett. 20(24), 2027–2029 (2008).
[Crossref]

J. Appl. Phys. (1)

C.-C. Lin, W.-L. Liu, and C.-Y. Hsieh, “Scalar scattering model of highly textured transparent conducting oxide,” J. Appl. Phys. 109(1), 014508 (2011).
[Crossref]

J. Appl. Polym. Sci. (1)

H. T. Chiu, C. Y. Chang, C. L. Chen, T. Y. Chiang, and M. T. Guo, “Preparation and characterization of UV‐curable organic/inorganic hybrid composites for NIR cutoff and antistatic coatings,” J. Appl. Polym. Sci. 120(1), 202–211 (2011).
[Crossref]

J. Cryst. Growth (1)

M. Ali, A. Romanov, S. Suihkonen, O. Svensk, S. Sintonen, M. Sopanen, H. Lipsanen, V. Nevedomsky, N. Bert, M. Odnoblyudov, and V. E. Bougrov, “Analysis of threading dislocations in void shape controlled GaN re-grown on hexagonally patterned mask-less GaN,” J. Cryst. Growth 344(1), 59–64 (2012).
[Crossref]

J. Disp. Technol. (1)

J.-K. Huang, D.-W. Lin, M.-H. Shih, K.-Y. Lee, J.-R. Chen, H.-W. Huang, S.-Y. Kuo, C.-H. Lin, P.-T. Lee, and G.-C. Chi, “Investigation and comparison of the GaN-based light-emitting diodes grown on high aspect ratio nano-cone and general micro-cone patterned sapphire substrate,” J. Disp. Technol. 9(12), 947–952 (2013).
[Crossref]

Jpn. J. Appl. Phys. (2)

H. Sugawara, K. Itaya, and G.-i. Hatakoshi, “Hybrid-type InGaAlP/GaAs distributed Bragg reflectors for InGaAlP light-emitting diodes,” Jpn. J. Appl. Phys. 33(11), 6195–6198 (1994).
[Crossref]

J. K. Kim, H. Luo, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Strongly enhanced phosphor efficiency in GaInN white light-emitting diodes using remote phosphor configuration and diffuse reflector cup,” Jpn. J. Appl. Phys. 44(21), L649–L651 (2005).
[Crossref]

Nanoscale (1)

K.-J. Chen, H.-V. Han, H.-C. Chen, C.-C. Lin, S.-H. Chien, C.-C. Huang, T.-M. Chen, M.-H. Shih, and H.-C. Kuo, “White light emitting diodes with enhanced CCT uniformity and luminous flux using ZrO2 nanoparticles,” Nanoscale 6(10), 5378–5383 (2014).
[Crossref] [PubMed]

Nanotechnology (4)

L.-C. Chen, C.-K. Wang, J.-B. Huang, and L.-S. Hong, “A nanoporous AlN layer patterned by anodic aluminum oxide and its application as a buffer layer in a GaN-based light-emitting diode,” Nanotechnology 20(8), 085303 (2009).
[Crossref] [PubMed]

C.-H. Chiu, C.-C. Lin, H.-V. Han, C.-Y. Liu, Y.-H. Chen, Y.-P. Lan, P. Yu, H.-C. Kuo, T.-C. Lu, S.-C. Wang, and C. Y. Chang, “High efficiency GaN-based light-emitting diodes with embedded air voids/SiO2 nanomasks,” Nanotechnology 23(4), 045303 (2012).
[Crossref] [PubMed]

H.-C. Chen, K.-J. Chen, C.-C. Lin, C.-H. Wang, H.-V. Han, H.-H. Tsai, H.-T. Kuo, S.-H. Chien, M.-H. Shih, and H.-C. Kuo, “Improvement in uniformity of emission by ZrO₂ nano-particles for white LEDs,” Nanotechnology 23(26), 265201 (2012).
[Crossref] [PubMed]

H. Li and N. Wu, “A large-area nanoscale gold hemisphere pattern as a nanoelectrode array,” Nanotechnology 19(27), 275301 (2008).
[Crossref] [PubMed]

Nature (1)

G. Widawski, M. Rawiso, and B. Francois, “Self-organized honeycomb morphology of star-polymer polystyrene films,” Nature 369(6479), 387–389 (1994).
[Crossref]

Opt. Express (2)

Science (1)

E. F. Schubert and J. K. Kim, “Solid-state light sources getting smart,” Science 308(5726), 1274–1278 (2005).
[Crossref] [PubMed]

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Figures (8)

Fig. 1
Fig. 1 (a) Flow of the honeycomb structure in the experiment and honeycomb structures patterned at the (a) top and (b) bottom covering a remote phosphor LED.
Fig. 2
Fig. 2 SEM images of the honeycomb-patterned PDMS films with the dimensions of (a) 450nm, (b) 750nm, and (c) 1150 nm 3. Results and discussion.
Fig. 3
Fig. 3 Simulation spectrum of angular CCT for w-LEDs with (a) a nano-honeycomb covering with a patterned top and (b) a nano-honeycomb covering with a patterned bottom.
Fig. 4
Fig. 4 (a) Spectrum of angular CCT at 120 mA obtained in the experiment. (b) The haze intensity of the nano-honeycomb structured PDMS films with dimensions of 450nm, 750nm, and 1150 nm.
Fig. 5
Fig. 5 Simulation spectrum of w-LEDs covered with nano-honeycomb structures patterned at the (a) top and (b) bottom.
Fig. 6
Fig. 6 Flow plot of the spectra (obtained from Figs. 5(a) and 5(b)) for a wavelength of 550nm.
Fig. 7
Fig. 7 (a) Emission spectra at a current of 120 mA and (b) luminous flux for the 450nm, 750nm, and 1150nm PDMS films with patterned tops or bottoms that covered the w-LEDs.
Fig. 8
Fig. 8 The CCT deviation and the figure of merit of different size of honeycomb phosphor layer with patterned bottom or top covered for remote LEDs by the result of (a)simulation and (b)experiment.

Tables (1)

Tables Icon

Table 1 Luminous Efficiency Values of Samples with Flat Phosphor Layer and Patterned Layers

Equations (2)

Equations on this page are rendered with MathJax. Learn more.

Haze( % )= T diffrac × T total 1 ×100%.
FOM=( Lumen patterned Lumen nonpatterned )Δ CCT 1 .

Metrics