Abstract

Efforts have been made to enhance light-extraction by controlling phosphor structure for higher efficiency white light-emitting diodes (LEDs). Here, we introduce a technical method for improving luminous efficacy by applying prismatic patterns for a planar remote yellow phosphor structure. The remote phosphor structure is based on a UV-cured prismatic pattern/polyethylene terephthalate (PET)/glass substrate/silicate phosphor layer. The phosphor layer was formed via another UV-curing process of the screen-printed polymer/ phosphor-mixture. As a result, the prismatic layer of the apex angle 90° of each pitch enhanced the luminous efficacy of the remote phosphor-LED by 29% compared with the reference sample when a smaller pitch size was used. As anticipated, it is assumed that the escape probability of the emitted lights from a blue LED chip through the phosphor structure increases by reducing the possibilities of total internal reflection at the top surfaces of the structure.

© 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

Full Article  |  PDF Article
OSA Recommended Articles
UV-curable silicate phosphor planar films printed on glass substrate for white light-emitting diodes

Jin Woo Jang, Jun Sik Kim, Oh Hyeon Kwon, Tae Hyeon Lee, and Yong Soo Cho
Opt. Lett. 40(16) 3723-3726 (2015)

Micro-scale roughening of glass substrates using carbon nanotube-driven templates for enhancements in white luminescence characteristics

Jin Woo Jang, Oh Hyeon Kwon, Jun Sik Kim, Yuri Kim, and Yong Soo Cho
Opt. Lett. 42(24) 5094-5097 (2017)

White luminescence characteristics of red/green silicate phosphor-glass thick film layers printed on glass substrate

Oh Hyeon Kwon, Jun Sik Kim, Jin Woo Jang, Heesun Yang, and Yong Soo Cho
Opt. Mater. Express 6(3) 938-945 (2016)

References

  • View by:
  • |
  • |
  • |

  1. 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]
  2. L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
    [Crossref] [PubMed]
  3. H. Yoo, K. Ha, J. Baek, M. Jung, P. Su, Y. Kim, S. Cheon, S. Cho, and K. Kim, “Enhanced light extraction efficiency of GaN-based LED fabricated by multi-chip array,” Opt. Mater. Express 5(5), 1098–1108 (2015).
    [Crossref]
  4. J. Xu, N. J. Cherepy, J. Ueda, and S. Tanabe, “Red persistent luminescence in rare earth-free AlN:Mn2+ phosphor,” Mater. Lett. 206, 175–177 (2017).
    [Crossref]
  5. Y. Peng, Y. Mou, X. Guo, X. Xu, M. Chen, and W. Luo, “Flexible fabrication of a patterned red phosphor layer on a YAG:Ce3+ phosphor-in-glass for high-power WLEDs,” Opt. Mater. Express 8(3), 605–614 (2018).
    [Crossref]
  6. T. Nakanishi and S. Tanabe, “Novel Eu2+-activated glass ceramics precipitated with green and red phosphors for high-power white LED,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1171–1176 (2009).
    [Crossref]
  7. O. H. Kwon, J. S. Kim, J. W. Jang, H. Yang, and Y. S. Cho, “White luminescence characteristics of red/green silicate phosphor-glass thick film layers printed on glass substrate,” Opt. Mater. Express 6(3), 938–945 (2016).
    [Crossref]
  8. X. Luo, R. Hu, S. Liu, and K. Wang, “Heat and fluid flow in high-power LED packaging and applications,” Pror. Energy Combust. Sci. 56, 1–32 (2016).
    [Crossref]
  9. H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
    [Crossref]
  10. H. C. Kuo, C. W. Hung, H. C. Chen, K. J. Chen, C. H. Wang, C. W. Sher, C. C. Yeh, C. C. Lin, C. H. Chen, and Y. J. Cheng, “Patterned structure of remote phosphor for phosphor-converted white LEDs,” Opt. Express 19(S4Suppl 4), A930–A936 (2011).
    [Crossref] [PubMed]
  11. X. Yu, B. Xie, B. Shang, W. Shu, and X. Luo, “A facile approach to fabrication patterned surfaces for enhancing light efficiency of COB-LEDs,” IEEE Trans. Electron Dev. 64(10), 4149–4155 (2017).
    [Crossref]
  12. D. Wu, K. Wang, and S. Liu, “Enhancement of light extraction efficiency of multi-chips light-emitting diode array packaging with various microstructure arrays,” in Proceedings of IEEE Conference on Electronic Components and Technology Conference (IEEE, 2011), pp. 242–245.
  13. H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
    [Crossref]
  14. S. P. Ying and A. Y. Shiu, “Investigation of remote-phosphor white light-emitting diodes with improved scattered photon extraction structure,” Appl. Opt. 54(28), E30–E34 (2015).
    [Crossref] [PubMed]
  15. J. W. Jang, O. H. Kwon, J. S. Kim, Y. Kim, and Y. S. Cho, “Micro-scale roughening of glass substrates using carbon nanotube-driven templates for enhancements in white luminescence characteristics,” Opt. Lett. 42(24), 5094–5097 (2017).
    [Crossref] [PubMed]
  16. J. S. Kim, S. K. Eswaran, O. H. Kwon, S. J. Han, J. H. Lee, and Y. S. Cho, “Enhanced luminescence characteristics of remote yellow silicate phosphors printed on nanoscale surface-roughened glass substrates for white light-emitting diodes,” Adv. Opt. Mater. 4(7), 1081–1087 (2016).
    [Crossref]
  17. J. W. Jang, Y. R. Kim, O. H. Kwon, and Y. S. Cho, “Flexible micro-scale UV-curable phosphor layers screen-printed on a polymer substrate for planar white light-emitting diodes,” Mater. Lett. 217, 124–126 (2018).
    [Crossref]
  18. R. K. Singh, Z. Chen, D. Kumar, K. Cho, and M. Ollinger, “Critical issues in enhancing brightness in thin film phosphors for flat-panel display applications,” Appl. Surf. Sci. 197-198, 321–324 (2002).
    [Crossref]
  19. J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
    [Crossref] [PubMed]
  20. J. Seo, S. Kim, Y. Kim, F. Iqbal, and H. Kim, “Effect of glass refractive index on light extraction efficiency of light-emitting diodes,” J. Am. Ceram. Soc. 97(9), 2789–2793 (2014).
    [Crossref]
  21. N. Nakamura, N. Fukumoto, N. Wada, and M. Ohgawara, “Light extraction analysis of organic light emitting diodes fabricated on high refractive index glass scattering layer,” J. Appl. Phys. 117(5), 055502 (2015).
    [Crossref]
  22. K. Huang, Y. Gan, Q. Wang, and X. Jiang, “Enhanced light extraction efficiency of integrated LEDs devices 7with the taper holes microstructures arrays,” Opt. Laser Technol. 72, 134–138 (2015).
    [Crossref]
  23. J.-W. Pan and C.-S. Wang, “Light extraction efficiency of GaN-based LED with pyramid texture by using ray path analysis,” Opt. Express 20(S5Suppl 5), A630–A640 (2012).
    [Crossref] [PubMed]
  24. J. Hernández-Andrés, R. L. Lee, and J. Romero, “Calculating correlated color temperatures across the entire gamut of daylight and skylight chromaticities,” Appl. Opt. 38(27), 5703–5709 (1999).
    [Crossref] [PubMed]
  25. H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
    [Crossref]
  26. A. A. Setlur, “Electrochem. “Phosphors for LED-based solid-state lighting,” Soc. Interface 18, 32–36 (2009).

2018 (2)

J. W. Jang, Y. R. Kim, O. H. Kwon, and Y. S. Cho, “Flexible micro-scale UV-curable phosphor layers screen-printed on a polymer substrate for planar white light-emitting diodes,” Mater. Lett. 217, 124–126 (2018).
[Crossref]

Y. Peng, Y. Mou, X. Guo, X. Xu, M. Chen, and W. Luo, “Flexible fabrication of a patterned red phosphor layer on a YAG:Ce3+ phosphor-in-glass for high-power WLEDs,” Opt. Mater. Express 8(3), 605–614 (2018).
[Crossref]

2017 (3)

J. W. Jang, O. H. Kwon, J. S. Kim, Y. Kim, and Y. S. Cho, “Micro-scale roughening of glass substrates using carbon nanotube-driven templates for enhancements in white luminescence characteristics,” Opt. Lett. 42(24), 5094–5097 (2017).
[Crossref] [PubMed]

J. Xu, N. J. Cherepy, J. Ueda, and S. Tanabe, “Red persistent luminescence in rare earth-free AlN:Mn2+ phosphor,” Mater. Lett. 206, 175–177 (2017).
[Crossref]

X. Yu, B. Xie, B. Shang, W. Shu, and X. Luo, “A facile approach to fabrication patterned surfaces for enhancing light efficiency of COB-LEDs,” IEEE Trans. Electron Dev. 64(10), 4149–4155 (2017).
[Crossref]

2016 (3)

J. S. Kim, S. K. Eswaran, O. H. Kwon, S. J. Han, J. H. Lee, and Y. S. Cho, “Enhanced luminescence characteristics of remote yellow silicate phosphors printed on nanoscale surface-roughened glass substrates for white light-emitting diodes,” Adv. Opt. Mater. 4(7), 1081–1087 (2016).
[Crossref]

X. Luo, R. Hu, S. Liu, and K. Wang, “Heat and fluid flow in high-power LED packaging and applications,” Pror. Energy Combust. Sci. 56, 1–32 (2016).
[Crossref]

O. H. Kwon, J. S. Kim, J. W. Jang, H. Yang, and Y. S. Cho, “White luminescence characteristics of red/green silicate phosphor-glass thick film layers printed on glass substrate,” Opt. Mater. Express 6(3), 938–945 (2016).
[Crossref]

2015 (4)

H. Yoo, K. Ha, J. Baek, M. Jung, P. Su, Y. Kim, S. Cheon, S. Cho, and K. Kim, “Enhanced light extraction efficiency of GaN-based LED fabricated by multi-chip array,” Opt. Mater. Express 5(5), 1098–1108 (2015).
[Crossref]

S. P. Ying and A. Y. Shiu, “Investigation of remote-phosphor white light-emitting diodes with improved scattered photon extraction structure,” Appl. Opt. 54(28), E30–E34 (2015).
[Crossref] [PubMed]

N. Nakamura, N. Fukumoto, N. Wada, and M. Ohgawara, “Light extraction analysis of organic light emitting diodes fabricated on high refractive index glass scattering layer,” J. Appl. Phys. 117(5), 055502 (2015).
[Crossref]

K. Huang, Y. Gan, Q. Wang, and X. Jiang, “Enhanced light extraction efficiency of integrated LEDs devices 7with the taper holes microstructures arrays,” Opt. Laser Technol. 72, 134–138 (2015).
[Crossref]

2014 (2)

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

J. Seo, S. Kim, Y. Kim, F. Iqbal, and H. Kim, “Effect of glass refractive index on light extraction efficiency of light-emitting diodes,” J. Am. Ceram. Soc. 97(9), 2789–2793 (2014).
[Crossref]

2012 (2)

J.-W. Pan and C.-S. Wang, “Light extraction efficiency of GaN-based LED with pyramid texture by using ray path analysis,” Opt. Express 20(S5Suppl 5), A630–A640 (2012).
[Crossref] [PubMed]

J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
[Crossref] [PubMed]

2011 (1)

2010 (1)

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

2009 (3)

T. Nakanishi and S. Tanabe, “Novel Eu2+-activated glass ceramics precipitated with green and red phosphors for high-power white LED,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1171–1176 (2009).
[Crossref]

H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
[Crossref]

A. A. Setlur, “Electrochem. “Phosphors for LED-based solid-state lighting,” Soc. Interface 18, 32–36 (2009).

2006 (1)

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[Crossref]

2002 (1)

R. K. Singh, Z. Chen, D. Kumar, K. Cho, and M. Ollinger, “Critical issues in enhancing brightness in thin film phosphors for flat-panel display applications,” Appl. Surf. Sci. 197-198, 321–324 (2002).
[Crossref]

1999 (1)

1994 (1)

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]

Baek, J.

Chen, C. H.

Chen, H. C.

Chen, K. J.

H. C. Kuo, C. W. Hung, H. C. Chen, K. J. Chen, C. H. Wang, C. W. Sher, C. C. Yeh, C. C. Lin, C. H. Chen, and Y. J. Cheng, “Patterned structure of remote phosphor for phosphor-converted white LEDs,” Opt. Express 19(S4Suppl 4), A930–A936 (2011).
[Crossref] [PubMed]

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

Chen, L.

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

Chen, M.

Chen, Z.

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

R. K. Singh, Z. Chen, D. Kumar, K. Cho, and M. Ollinger, “Critical issues in enhancing brightness in thin film phosphors for flat-panel display applications,” Appl. Surf. Sci. 197-198, 321–324 (2002).
[Crossref]

Cheng, Y. J.

Cheon, S.

Cherepy, N. J.

J. Xu, N. J. Cherepy, J. Ueda, and S. Tanabe, “Red persistent luminescence in rare earth-free AlN:Mn2+ phosphor,” Mater. Lett. 206, 175–177 (2017).
[Crossref]

Cho, J.

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[Crossref]

Cho, K.

R. K. Singh, Z. Chen, D. Kumar, K. Cho, and M. Ollinger, “Critical issues in enhancing brightness in thin film phosphors for flat-panel display applications,” Appl. Surf. Sci. 197-198, 321–324 (2002).
[Crossref]

Cho, S.

Cho, Y. S.

J. W. Jang, Y. R. Kim, O. H. Kwon, and Y. S. Cho, “Flexible micro-scale UV-curable phosphor layers screen-printed on a polymer substrate for planar white light-emitting diodes,” Mater. Lett. 217, 124–126 (2018).
[Crossref]

J. W. Jang, O. H. Kwon, J. S. Kim, Y. Kim, and Y. S. Cho, “Micro-scale roughening of glass substrates using carbon nanotube-driven templates for enhancements in white luminescence characteristics,” Opt. Lett. 42(24), 5094–5097 (2017).
[Crossref] [PubMed]

O. H. Kwon, J. S. Kim, J. W. Jang, H. Yang, and Y. S. Cho, “White luminescence characteristics of red/green silicate phosphor-glass thick film layers printed on glass substrate,” Opt. Mater. Express 6(3), 938–945 (2016).
[Crossref]

J. S. Kim, S. K. Eswaran, O. H. Kwon, S. J. Han, J. H. Lee, and Y. S. Cho, “Enhanced luminescence characteristics of remote yellow silicate phosphors printed on nanoscale surface-roughened glass substrates for white light-emitting diodes,” Adv. Opt. Mater. 4(7), 1081–1087 (2016).
[Crossref]

Chu, C. I.

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

Eswaran, S. K.

J. S. Kim, S. K. Eswaran, O. H. Kwon, S. J. Han, J. H. Lee, and Y. S. Cho, “Enhanced luminescence characteristics of remote yellow silicate phosphors printed on nanoscale surface-roughened glass substrates for white light-emitting diodes,” Adv. Opt. Mater. 4(7), 1081–1087 (2016).
[Crossref]

Fukumoto, N.

N. Nakamura, N. Fukumoto, N. Wada, and M. Ohgawara, “Light extraction analysis of organic light emitting diodes fabricated on high refractive index glass scattering layer,” J. Appl. Phys. 117(5), 055502 (2015).
[Crossref]

Gan, Y.

K. Huang, Y. Gan, Q. Wang, and X. Jiang, “Enhanced light extraction efficiency of integrated LEDs devices 7with the taper holes microstructures arrays,” Opt. Laser Technol. 72, 134–138 (2015).
[Crossref]

Guo, X.

Ha, K.

Han, S. J.

J. S. Kim, S. K. Eswaran, O. H. Kwon, S. J. Han, J. H. Lee, and Y. S. Cho, “Enhanced luminescence characteristics of remote yellow silicate phosphors printed on nanoscale surface-roughened glass substrates for white light-emitting diodes,” Adv. Opt. Mater. 4(7), 1081–1087 (2016).
[Crossref]

Hernández-Andrés, J.

Hu, R.

X. Luo, R. Hu, S. Liu, and K. Wang, “Heat and fluid flow in high-power LED packaging and applications,” Pror. Energy Combust. Sci. 56, 1–32 (2016).
[Crossref]

Hu, S. F.

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

Huang, K.

K. Huang, Y. Gan, Q. Wang, and X. Jiang, “Enhanced light extraction efficiency of integrated LEDs devices 7with the taper holes microstructures arrays,” Opt. Laser Technol. 72, 134–138 (2015).
[Crossref]

Hung, C. W.

Iqbal, F.

J. Seo, S. Kim, Y. Kim, F. Iqbal, and H. Kim, “Effect of glass refractive index on light extraction efficiency of light-emitting diodes,” J. Am. Ceram. Soc. 97(9), 2789–2793 (2014).
[Crossref]

Jang, H. S.

H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
[Crossref]

Jang, J. W.

Jeon, D. Y.

H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
[Crossref]

Jiang, X.

K. Huang, Y. Gan, Q. Wang, and X. Jiang, “Enhanced light extraction efficiency of integrated LEDs devices 7with the taper holes microstructures arrays,” Opt. Laser Technol. 72, 134–138 (2015).
[Crossref]

Jung, M.

Kim, B. J.

J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
[Crossref] [PubMed]

Kim, H.

J. Seo, S. Kim, Y. Kim, F. Iqbal, and H. Kim, “Effect of glass refractive index on light extraction efficiency of light-emitting diodes,” J. Am. Ceram. Soc. 97(9), 2789–2793 (2014).
[Crossref]

Kim, J. K.

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[Crossref]

Kim, J. S.

Kim, J. U.

J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
[Crossref] [PubMed]

Kim, K.

Kim, S.

J. Seo, S. Kim, Y. Kim, F. Iqbal, and H. Kim, “Effect of glass refractive index on light extraction efficiency of light-emitting diodes,” J. Am. Ceram. Soc. 97(9), 2789–2793 (2014).
[Crossref]

Kim, Y.

Kim, Y. R.

J. W. Jang, Y. R. Kim, O. H. Kwon, and Y. S. Cho, “Flexible micro-scale UV-curable phosphor layers screen-printed on a polymer substrate for planar white light-emitting diodes,” Mater. Lett. 217, 124–126 (2018).
[Crossref]

Kumar, D.

R. K. Singh, Z. Chen, D. Kumar, K. Cho, and M. Ollinger, “Critical issues in enhancing brightness in thin film phosphors for flat-panel display applications,” Appl. Surf. Sci. 197-198, 321–324 (2002).
[Crossref]

Kuo, H. C.

Kwon, O. H.

J. W. Jang, Y. R. Kim, O. H. Kwon, and Y. S. Cho, “Flexible micro-scale UV-curable phosphor layers screen-printed on a polymer substrate for planar white light-emitting diodes,” Mater. Lett. 217, 124–126 (2018).
[Crossref]

J. W. Jang, O. H. Kwon, J. S. Kim, Y. Kim, and Y. S. Cho, “Micro-scale roughening of glass substrates using carbon nanotube-driven templates for enhancements in white luminescence characteristics,” Opt. Lett. 42(24), 5094–5097 (2017).
[Crossref] [PubMed]

O. H. Kwon, J. S. Kim, J. W. Jang, H. Yang, and Y. S. Cho, “White luminescence characteristics of red/green silicate phosphor-glass thick film layers printed on glass substrate,” Opt. Mater. Express 6(3), 938–945 (2016).
[Crossref]

J. S. Kim, S. K. Eswaran, O. H. Kwon, S. J. Han, J. H. Lee, and Y. S. Cho, “Enhanced luminescence characteristics of remote yellow silicate phosphors printed on nanoscale surface-roughened glass substrates for white light-emitting diodes,” Adv. Opt. Mater. 4(7), 1081–1087 (2016).
[Crossref]

Lee, J. H.

J. S. Kim, S. K. Eswaran, O. H. Kwon, S. J. Han, J. H. Lee, and Y. S. Cho, “Enhanced luminescence characteristics of remote yellow silicate phosphors printed on nanoscale surface-roughened glass substrates for white light-emitting diodes,” Adv. Opt. Mater. 4(7), 1081–1087 (2016).
[Crossref]

Lee, J. L.

J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
[Crossref] [PubMed]

Lee, M. H.

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

Lee, R. L.

Lin, C. C.

H. C. Kuo, C. W. Hung, H. C. Chen, K. J. Chen, C. H. Wang, C. W. Sher, C. C. Yeh, C. C. Lin, C. H. Chen, and Y. J. Cheng, “Patterned structure of remote phosphor for phosphor-converted white LEDs,” Opt. Express 19(S4Suppl 4), A930–A936 (2011).
[Crossref] [PubMed]

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

Lin, S. Q.

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

Liu, R. S.

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

Liu, S.

X. Luo, R. Hu, S. Liu, and K. Wang, “Heat and fluid flow in high-power LED packaging and applications,” Pror. Energy Combust. Sci. 56, 1–32 (2016).
[Crossref]

D. Wu, K. Wang, and S. Liu, “Enhancement of light extraction efficiency of multi-chips light-emitting diode array packaging with various microstructure arrays,” in Proceedings of IEEE Conference on Electronic Components and Technology Conference (IEEE, 2011), pp. 242–245.

Lu, Y. J.

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

Luo, H.

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[Crossref]

Luo, W.

Luo, X.

X. Yu, B. Xie, B. Shang, W. Shu, and X. Luo, “A facile approach to fabrication patterned surfaces for enhancing light efficiency of COB-LEDs,” IEEE Trans. Electron Dev. 64(10), 4149–4155 (2017).
[Crossref]

X. Luo, R. Hu, S. Liu, and K. Wang, “Heat and fluid flow in high-power LED packaging and applications,” Pror. Energy Combust. Sci. 56, 1–32 (2016).
[Crossref]

Mou, Y.

Mukai, T.

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]

Nakamura, N.

N. Nakamura, N. Fukumoto, N. Wada, and M. Ohgawara, “Light extraction analysis of organic light emitting diodes fabricated on high refractive index glass scattering layer,” J. Appl. Phys. 117(5), 055502 (2015).
[Crossref]

Nakamura, S.

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]

Nakanishi, T.

T. Nakanishi and S. Tanabe, “Novel Eu2+-activated glass ceramics precipitated with green and red phosphors for high-power white LED,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1171–1176 (2009).
[Crossref]

Ohgawara, M.

N. Nakamura, N. Fukumoto, N. Wada, and M. Ohgawara, “Light extraction analysis of organic light emitting diodes fabricated on high refractive index glass scattering layer,” J. Appl. Phys. 117(5), 055502 (2015).
[Crossref]

Ollinger, M.

R. K. Singh, Z. Chen, D. Kumar, K. Cho, and M. Ollinger, “Critical issues in enhancing brightness in thin film phosphors for flat-panel display applications,” Appl. Surf. Sci. 197-198, 321–324 (2002).
[Crossref]

Pagni, P. J.

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

Pan, J.-W.

Park, Y.

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[Crossref]

Peng, Y.

Romero, J.

Ryu, C. J.

J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
[Crossref] [PubMed]

Schubert, E. F.

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[Crossref]

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]

Seo, J.

J. Seo, S. Kim, Y. Kim, F. Iqbal, and H. Kim, “Effect of glass refractive index on light extraction efficiency of light-emitting diodes,” J. Am. Ceram. Soc. 97(9), 2789–2793 (2014).
[Crossref]

Setlur, A. A.

A. A. Setlur, “Electrochem. “Phosphors for LED-based solid-state lighting,” Soc. Interface 18, 32–36 (2009).

Shang, B.

X. Yu, B. Xie, B. Shang, W. Shu, and X. Luo, “A facile approach to fabrication patterned surfaces for enhancing light efficiency of COB-LEDs,” IEEE Trans. Electron Dev. 64(10), 4149–4155 (2017).
[Crossref]

Sher, C. W.

Shih, T. M.

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

Shiu, A. Y.

Shu, W.

X. Yu, B. Xie, B. Shang, W. Shu, and X. Luo, “A facile approach to fabrication patterned surfaces for enhancing light efficiency of COB-LEDs,” IEEE Trans. Electron Dev. 64(10), 4149–4155 (2017).
[Crossref]

Singh, R. K.

R. K. Singh, Z. Chen, D. Kumar, K. Cho, and M. Ollinger, “Critical issues in enhancing brightness in thin film phosphors for flat-panel display applications,” Appl. Surf. Sci. 197-198, 321–324 (2002).
[Crossref]

Son, J. H.

J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
[Crossref] [PubMed]

Sone, C.

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[Crossref]

Song, Y. H.

J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
[Crossref] [PubMed]

Su, P.

Tanabe, S.

J. Xu, N. J. Cherepy, J. Ueda, and S. Tanabe, “Red persistent luminescence in rare earth-free AlN:Mn2+ phosphor,” Mater. Lett. 206, 175–177 (2017).
[Crossref]

T. Nakanishi and S. Tanabe, “Novel Eu2+-activated glass ceramics precipitated with green and red phosphors for high-power white LED,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1171–1176 (2009).
[Crossref]

Ueda, J.

J. Xu, N. J. Cherepy, J. Ueda, and S. Tanabe, “Red persistent luminescence in rare earth-free AlN:Mn2+ phosphor,” Mater. Lett. 206, 175–177 (2017).
[Crossref]

Wada, N.

N. Nakamura, N. Fukumoto, N. Wada, and M. Ohgawara, “Light extraction analysis of organic light emitting diodes fabricated on high refractive index glass scattering layer,” J. Appl. Phys. 117(5), 055502 (2015).
[Crossref]

Wang, C. H.

Wang, C.-S.

Wang, K.

X. Luo, R. Hu, S. Liu, and K. Wang, “Heat and fluid flow in high-power LED packaging and applications,” Pror. Energy Combust. Sci. 56, 1–32 (2016).
[Crossref]

D. Wu, K. Wang, and S. Liu, “Enhancement of light extraction efficiency of multi-chips light-emitting diode array packaging with various microstructure arrays,” in Proceedings of IEEE Conference on Electronic Components and Technology Conference (IEEE, 2011), pp. 242–245.

Wang, Q.

K. Huang, Y. Gan, Q. Wang, and X. Jiang, “Enhanced light extraction efficiency of integrated LEDs devices 7with the taper holes microstructures arrays,” Opt. Laser Technol. 72, 134–138 (2015).
[Crossref]

Won, Y. H.

H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
[Crossref]

Wu, D.

D. Wu, K. Wang, and S. Liu, “Enhancement of light extraction efficiency of multi-chips light-emitting diode array packaging with various microstructure arrays,” in Proceedings of IEEE Conference on Electronic Components and Technology Conference (IEEE, 2011), pp. 242–245.

Xi, Y. A.

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[Crossref]

Xiao, H.

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

Xie, B.

X. Yu, B. Xie, B. Shang, W. Shu, and X. Luo, “A facile approach to fabrication patterned surfaces for enhancing light efficiency of COB-LEDs,” IEEE Trans. Electron Dev. 64(10), 4149–4155 (2017).
[Crossref]

Xu, J.

J. Xu, N. J. Cherepy, J. Ueda, and S. Tanabe, “Red persistent luminescence in rare earth-free AlN:Mn2+ phosphor,” Mater. Lett. 206, 175–177 (2017).
[Crossref]

Xu, X.

Yang, H.

Yeh, C. C.

Ying, S. P.

Yoo, H.

Yu, X.

X. Yu, B. Xie, B. Shang, W. Shu, and X. Luo, “A facile approach to fabrication patterned surfaces for enhancing light efficiency of COB-LEDs,” IEEE Trans. Electron Dev. 64(10), 4149–4155 (2017).
[Crossref]

Zhu, L. H.

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

Adv. Mater. (1)

J. H. Son, J. U. Kim, Y. H. Song, B. J. Kim, C. J. Ryu, and J. L. Lee, “Design rule of nanostructures in light-emitting diodes for complete elimination of total internal reflection,” Adv. Mater. 24(17), 2259–2262 (2012).
[Crossref] [PubMed]

Adv. Opt. Mater. (1)

J. S. Kim, S. K. Eswaran, O. H. Kwon, S. J. Han, J. H. Lee, and Y. S. Cho, “Enhanced luminescence characteristics of remote yellow silicate phosphors printed on nanoscale surface-roughened glass substrates for white light-emitting diodes,” Adv. Opt. Mater. 4(7), 1081–1087 (2016).
[Crossref]

Appl. Opt. (2)

Appl. Phys. B (1)

H. S. Jang, Y. H. Won, and D. Y. Jeon, “Improvement of electroluminescent property of blue LED coated with highly luminescent yellow-emitting phosphors,” Appl. Phys. B 95(4), 715–720 (2009).
[Crossref]

Appl. Phys. Lett. (2)

H. Luo, J. K. Kim, Y. A. Xi, E. F. Schubert, J. Cho, C. Sone, and Y. Park, “Trapped whispering-gallery optical modes in white light-emitting diode lamps with remote phosphor,” Appl. Phys. Lett. 89(4), 041125 (2006).
[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]

Appl. Surf. Sci. (1)

R. K. Singh, Z. Chen, D. Kumar, K. Cho, and M. Ollinger, “Critical issues in enhancing brightness in thin film phosphors for flat-panel display applications,” Appl. Surf. Sci. 197-198, 321–324 (2002).
[Crossref]

IEEE J. Sel. Top. Quantum Electron. (1)

T. Nakanishi and S. Tanabe, “Novel Eu2+-activated glass ceramics precipitated with green and red phosphors for high-power white LED,” IEEE J. Sel. Top. Quantum Electron. 15(4), 1171–1176 (2009).
[Crossref]

IEEE Photonics J. (1)

H. Xiao, Y. J. Lu, T. M. Shih, L. H. Zhu, S. Q. Lin, P. J. Pagni, and Z. Chen, “Improvements on remote diffuser-phosphor-packaged light-emitting diode systems,” IEEE Photonics J. 6(2), 8200108 (2014).
[Crossref]

IEEE Trans. Electron Dev. (1)

X. Yu, B. Xie, B. Shang, W. Shu, and X. Luo, “A facile approach to fabrication patterned surfaces for enhancing light efficiency of COB-LEDs,” IEEE Trans. Electron Dev. 64(10), 4149–4155 (2017).
[Crossref]

J. Am. Ceram. Soc. (1)

J. Seo, S. Kim, Y. Kim, F. Iqbal, and H. Kim, “Effect of glass refractive index on light extraction efficiency of light-emitting diodes,” J. Am. Ceram. Soc. 97(9), 2789–2793 (2014).
[Crossref]

J. Appl. Phys. (1)

N. Nakamura, N. Fukumoto, N. Wada, and M. Ohgawara, “Light extraction analysis of organic light emitting diodes fabricated on high refractive index glass scattering layer,” J. Appl. Phys. 117(5), 055502 (2015).
[Crossref]

J. Comb. Chem. (1)

L. Chen, K. J. Chen, C. C. Lin, C. I. Chu, S. F. Hu, M. H. Lee, and R. S. Liu, “Combinatorial approach to the development of a single mass YVO4:Bi3+,Eu3+ phosphor with red and green dual colors for high color rendering white light-emitting diodes,” J. Comb. Chem. 12(4), 587–594 (2010).
[Crossref] [PubMed]

Mater. Lett. (2)

J. Xu, N. J. Cherepy, J. Ueda, and S. Tanabe, “Red persistent luminescence in rare earth-free AlN:Mn2+ phosphor,” Mater. Lett. 206, 175–177 (2017).
[Crossref]

J. W. Jang, Y. R. Kim, O. H. Kwon, and Y. S. Cho, “Flexible micro-scale UV-curable phosphor layers screen-printed on a polymer substrate for planar white light-emitting diodes,” Mater. Lett. 217, 124–126 (2018).
[Crossref]

Opt. Express (2)

Opt. Laser Technol. (1)

K. Huang, Y. Gan, Q. Wang, and X. Jiang, “Enhanced light extraction efficiency of integrated LEDs devices 7with the taper holes microstructures arrays,” Opt. Laser Technol. 72, 134–138 (2015).
[Crossref]

Opt. Lett. (1)

Opt. Mater. Express (3)

Pror. Energy Combust. Sci. (1)

X. Luo, R. Hu, S. Liu, and K. Wang, “Heat and fluid flow in high-power LED packaging and applications,” Pror. Energy Combust. Sci. 56, 1–32 (2016).
[Crossref]

Soc. Interface (1)

A. A. Setlur, “Electrochem. “Phosphors for LED-based solid-state lighting,” Soc. Interface 18, 32–36 (2009).

Other (1)

D. Wu, K. Wang, and S. Liu, “Enhancement of light extraction efficiency of multi-chips light-emitting diode array packaging with various microstructure arrays,” in Proceedings of IEEE Conference on Electronic Components and Technology Conference (IEEE, 2011), pp. 242–245.

Cited By

OSA participates in Crossref's Cited-By Linking service. Citing articles from OSA journals and other participating publishers are listed here.

Alert me when this article is cited.


Figures (7)

Fig. 1
Fig. 1 (a) Schematic of the roll-to-roll preparation process of the UV-cured prismatic pattern on a PET substrate and (b) schematic of the remote phosphor structure of prismatic pattern/PET/glass substrate/phosphor layer.
Fig. 2
Fig. 2 Surface and cross-sectional SEM image of the prismatic patterns having (a) 30 μm and (b) 9 μm-height pitch sizes,
Fig. 3
Fig. 3 Cross-sectional SEM images of prismatic PET films with (a) 30 μm and (b) 9 μm-height pitches, (c) cross-sectional SEM image of the remote silicate phosphor-dispersed layer on glass substrate, and (d) surface images of the dispersed phosphor particles in cured polymer matrix.
Fig. 4
Fig. 4 (a) Emission spectra of prismatic patterned phosphor samples on a blue LED chip, with an image of actual LED module, and (b) luminous efficacy of the remote phosphor-prismatic pattern samples with demonstrations of real white illuminations.
Fig. 5
Fig. 5 Illustration of potential light paths and enhanced light extractions over the prismatic pattern on the PET film.
Fig. 6
Fig. 6 CIE color coordination diagrams of the remote phosphor-prismatic pattern white LED samples.
Fig. 7
Fig. 7 Emission spectra of prismatic patterned phosphor structures with the variations in (a) the number of coatings (for the case of 70 wt% phosphor powder) and (b) the relative content of phosphor powder (for the case of twice printings), and (c) the variations of luminous efficacy as functions of the number of coating and phosphor content. The inset figure is the variation of Ra according to the number of coating for the 70 wt% phosphor sample. All the values were obtained for the 9 mm pitch-pattern structure.

Metrics