Abstract

A new moiré pattern appearing in the off-state of a display system with a reflecting surface under illumination of an external ambient light source was analyzed. The origin of the new moiré pattern was attributed to the moiré pattern which is formed on the reflecting surface by external light and plays as a new light source with intensity profile. Configuring an optically equivalent system with no reflecting surface layer was proposed in order to overcome the limitation of new simulation program, which was previously proved to be very efficient in computation time but unable to handle a non-sequential system containing a reflecting surface. It was verified that the new simulation algorithm combined with an equivalent configuration could provide an accurate and computation time-efficient analyses even for a system containing non-sequential stacked layer such as a reflecting surface.

© 2014 Optical Society of America

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References

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    [Crossref]
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    [Crossref] [PubMed]
  3. M. W. Wang and C. C. Tseng, “Analysis and fabrication of a prism film with roll-to-roll fabrication process,” Opt. Express 17(6), 4718–4725 (2009).
    [Crossref] [PubMed]
  4. J. H. Lee, J. B. Yoon, J. Y. Choi, and S. M. Bae, “A novel LCD backlight unit using a light-guide plate with high fill-factor microlens array and a conical microlens array sheet,” in 2007 SID International Symposium Digest of Technical Papers, (Society for Information Display, 2007), pp.465–468.
    [Crossref]
  5. I. Amidror, The Theory of the Moiré Phenomenon (Kluwer Academic Publishers, 2000).
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    [Crossref]
  8. V. V. Saveljev, J. Y. Son, J. H. Chun, K. D. Kwack, and K. H. Cha, “About a Moiré-less condition for non-square grids,” J. Display Technol. 4(3), 332–339 (2008).
    [Crossref]
  9. V. Saveljev and S. K. Kim, “Simulation and measurement of moiré patterns at finite distance,” Opt. Express 20(3), 2163–2177 (2012).
    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
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    [Crossref] [PubMed]
  15. C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
    [Crossref]
  16. S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
    [Crossref]

2014 (1)

2013 (1)

2012 (1)

2011 (1)

2010 (1)

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

2009 (2)

K. Saxena, V. K. Jain, and D. S. Mehta, “A review on the light extraction techniques in organic electroluminescent devices,” Opt. Mater. 32(1), 221–233 (2009).
[Crossref]

M. W. Wang and C. C. Tseng, “Analysis and fabrication of a prism film with roll-to-roll fabrication process,” Opt. Express 17(6), 4718–4725 (2009).
[Crossref] [PubMed]

2008 (2)

V. V. Saveljev, J. Y. Son, J. H. Chun, K. D. Kwack, and K. H. Cha, “About a Moiré-less condition for non-square grids,” J. Display Technol. 4(3), 332–339 (2008).
[Crossref]

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

2007 (1)

2005 (1)

Byun, S. Y.

Byun, S.-J.

Cai, S.

Cha, K. H.

Chang, C.-H.

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

Cheng, H.-C.

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

Choi, J.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Chu, C.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Chun, J. H.

Chung, J.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Ha, J.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Jain, V. K.

K. Saxena, V. K. Jain, and D. S. Mehta, “A review on the light extraction techniques in organic electroluminescent devices,” Opt. Mater. 32(1), 221–233 (2009).
[Crossref]

Javidi, B.

Jeon, M. Y.

Jin, G.

Jung, J.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Kim, C.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Kim, D. S.

Kim, H.-P.

Kim, S.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Kim, S. K.

Kim, W. M.

Kong, L.

Kwack, K. D.

Lee, J.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

J. Lee, S. C. Meissner, and R. J. Sudol, “Optical film to enhance cosmetic appearance and brightness in liquid crystal displays,” Opt. Express 15(14), 8609–8618 (2007).
[Crossref] [PubMed]

Lee, J. K.

Lee, S.

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Lee, T.-S.

Lin, C.-L.

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

Lin, H.-W.

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

Lu, Y.-J.

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

Mehta, D. S.

K. Saxena, V. K. Jain, and D. S. Mehta, “A review on the light extraction techniques in organic electroluminescent devices,” Opt. Mater. 32(1), 221–233 (2009).
[Crossref]

Meissner, S. C.

Saveljev, V.

Saveljev, V. V.

Saxena, K.

K. Saxena, V. K. Jain, and D. S. Mehta, “A review on the light extraction techniques in organic electroluminescent devices,” Opt. Mater. 32(1), 221–233 (2009).
[Crossref]

Son, J. Y.

Sudol, R. J.

Tien, K.-C.

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

Tseng, C. C.

Wang, M. W.

Wang, T.

Wu, C.-C.

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

Xu, K.

Yang, C.-J.

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

Zhong, X.

Appl. Opt. (1)

J. Display Technol. (2)

Opt. Express (5)

Opt. Mater. (1)

K. Saxena, V. K. Jain, and D. S. Mehta, “A review on the light extraction techniques in organic electroluminescent devices,” Opt. Mater. 32(1), 221–233 (2009).
[Crossref]

Org. Electron. (1)

C.-H. Chang, H.-C. Cheng, Y.-J. Lu, K.-C. Tien, H.-W. Lin, C.-L. Lin, C.-J. Yang, and C.-C. Wu, “Enhancing color gamut of white OLED displays by using microcavity green pixels,” Org. Electron. 11(2), 247–254 (2010).
[Crossref]

SID DIGEST (1)

S. Lee, C. Chu, J. Chung, J. Lee, J. Choi, J. Ha, S. Kim, J. Choi, J. Jung, C. Kim, and J. Lee, “Achieving High Color Gamut with Microcavity on White OLED,” SID DIGEST 39(1), 1042–1045 (2008).
[Crossref]

Other (5)

J. H. Lee, J. B. Yoon, J. Y. Choi, and S. M. Bae, “A novel LCD backlight unit using a light-guide plate with high fill-factor microlens array and a conical microlens array sheet,” in 2007 SID International Symposium Digest of Technical Papers, (Society for Information Display, 2007), pp.465–468.
[Crossref]

I. Amidror, The Theory of the Moiré Phenomenon (Kluwer Academic Publishers, 2000).

J. Wheatley, T. Liu, J. Derlofske, M. E. Sousa, E. Bösl, T. Nevitt, M. Weber, and M. Denker, “Greener displays through integrated optics: Display backlights using OneFilm,” in 2012 SID International Symposium Digest of Technical Papers, (Society for Information Display, 2012), pp. 659–662.

INSIDEOPTICS Co, Ltd., RAYWIZ User Manual 2013, http://www.insideoptics.com

INSIDEOPTICS Co, Ltd., RaywizMOIRÉ User Manual 2013, http://www.insideoptics.com

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Figures (4)

Fig. 1
Fig. 1 Schematic diagram of the simulation system (a), and the simulated moiré patterns for flux ratios of the panel to the external light source 1: 0 (b), 0: 1 (c), 1: 1 (d), and 0.001: 1 (e).
Fig. 2
Fig. 2 Schematic diagram of the original system (a), equivalent system structure (b) and the simulation result from the equivalent one (c), the original one (d).
Fig. 3
Fig. 3 Scheme of system comprised with n number of layers with a reflecting layer (a), and equivalent system without reflecting layer (b).
Fig. 4
Fig. 4 The moiré patterns obtained for the equivalent systems with varying space between the reflecting layer and the panel layer (P2) in the original system. The left and right columns represent the results obtained by using the new RaywizMOIRÉ program and the bidirectional ray-tracing program, respectively.

Equations (1)

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Ι eye ( x e , y e )= x,y ( i=1 n Ι i ( x,y ) × exp{ - 1 2 [ ( x- x e ) 2 + ( y- y e ) 2 ( σ ) 2 ] } 2π ×σ×erf( 2 ) ) dxdy

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