Abstract

This Letter proposes an idea of a natural light illumination system by using a light collecting panel. The light collecting panel is coupled with a light guide followed by a specifically designed lens to achieve uniform illumination on a target screen. To assess the system specification, we build a primary model in three-dimensional modeling software and make ray tracing simulation based on a Monte Carlo algorithm. The simulation results show a relatively high efficiency of 41.41% for the entire system and achieve a high uniformity of more than 0.8 within the circular illumination area.

© 2012 Optical Society of America

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References

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  1. A. J. W. Whang, K. Y. Chen, K. H. Chou, and Y. Y. Chen, Lighting Res. Technol. 43, 281 (2011).
    [CrossRef]
  2. A. J. W. Whang, Y. Y. Chen, S. H. Yang, P. H. Pan, K. H. Chou, Y. C. Lee, Z. Y. Lee, C. A. Chen, and C. N. Chen, Appl. Opt. 49, 6789 (2010).
    [CrossRef]
  3. C. Tsuei, W. Sun, and C. Kuo, Opt. Express 18, A640(2010).
    [CrossRef]
  4. C. A. Chen, Y. Y. Chen, and A. J. W. Whang, Proc. SPIE 7422, 74220Z (2009).
    [CrossRef]
  5. A. Rosemann and H. Kaase, Solar Energy 78, 772 (2005).
    [CrossRef]
  6. C. J. Cheng and J. L. Chern, Proc. SPIE 6342, 63422F (2006).
    [CrossRef]
  7. Y. Y. Chen, W. Huang, and A. J. W. Whang, Proc. SPIE 7059, 70590M (2008).
    [CrossRef]
  8. F. Gugliermetti and F. Bisegna, “Assessing the dynamics of indoor natural illuminance in advanced packages for building energy analysis,” presented at the Eighth International IBPSA Conference, Eindhoven, Netherlands, August 11–14, 2003.

2011 (1)

A. J. W. Whang, K. Y. Chen, K. H. Chou, and Y. Y. Chen, Lighting Res. Technol. 43, 281 (2011).
[CrossRef]

2010 (2)

2009 (1)

C. A. Chen, Y. Y. Chen, and A. J. W. Whang, Proc. SPIE 7422, 74220Z (2009).
[CrossRef]

2008 (1)

Y. Y. Chen, W. Huang, and A. J. W. Whang, Proc. SPIE 7059, 70590M (2008).
[CrossRef]

2006 (1)

C. J. Cheng and J. L. Chern, Proc. SPIE 6342, 63422F (2006).
[CrossRef]

2005 (1)

A. Rosemann and H. Kaase, Solar Energy 78, 772 (2005).
[CrossRef]

Bisegna, F.

F. Gugliermetti and F. Bisegna, “Assessing the dynamics of indoor natural illuminance in advanced packages for building energy analysis,” presented at the Eighth International IBPSA Conference, Eindhoven, Netherlands, August 11–14, 2003.

Chen, C. A.

Chen, C. N.

Chen, K. Y.

A. J. W. Whang, K. Y. Chen, K. H. Chou, and Y. Y. Chen, Lighting Res. Technol. 43, 281 (2011).
[CrossRef]

Chen, Y. Y.

A. J. W. Whang, K. Y. Chen, K. H. Chou, and Y. Y. Chen, Lighting Res. Technol. 43, 281 (2011).
[CrossRef]

A. J. W. Whang, Y. Y. Chen, S. H. Yang, P. H. Pan, K. H. Chou, Y. C. Lee, Z. Y. Lee, C. A. Chen, and C. N. Chen, Appl. Opt. 49, 6789 (2010).
[CrossRef]

C. A. Chen, Y. Y. Chen, and A. J. W. Whang, Proc. SPIE 7422, 74220Z (2009).
[CrossRef]

Y. Y. Chen, W. Huang, and A. J. W. Whang, Proc. SPIE 7059, 70590M (2008).
[CrossRef]

Cheng, C. J.

C. J. Cheng and J. L. Chern, Proc. SPIE 6342, 63422F (2006).
[CrossRef]

Chern, J. L.

C. J. Cheng and J. L. Chern, Proc. SPIE 6342, 63422F (2006).
[CrossRef]

Chou, K. H.

Gugliermetti, F.

F. Gugliermetti and F. Bisegna, “Assessing the dynamics of indoor natural illuminance in advanced packages for building energy analysis,” presented at the Eighth International IBPSA Conference, Eindhoven, Netherlands, August 11–14, 2003.

Huang, W.

Y. Y. Chen, W. Huang, and A. J. W. Whang, Proc. SPIE 7059, 70590M (2008).
[CrossRef]

Kaase, H.

A. Rosemann and H. Kaase, Solar Energy 78, 772 (2005).
[CrossRef]

Kuo, C.

Lee, Y. C.

Lee, Z. Y.

Pan, P. H.

Rosemann, A.

A. Rosemann and H. Kaase, Solar Energy 78, 772 (2005).
[CrossRef]

Sun, W.

Tsuei, C.

Whang, A. J. W.

A. J. W. Whang, K. Y. Chen, K. H. Chou, and Y. Y. Chen, Lighting Res. Technol. 43, 281 (2011).
[CrossRef]

A. J. W. Whang, Y. Y. Chen, S. H. Yang, P. H. Pan, K. H. Chou, Y. C. Lee, Z. Y. Lee, C. A. Chen, and C. N. Chen, Appl. Opt. 49, 6789 (2010).
[CrossRef]

C. A. Chen, Y. Y. Chen, and A. J. W. Whang, Proc. SPIE 7422, 74220Z (2009).
[CrossRef]

Y. Y. Chen, W. Huang, and A. J. W. Whang, Proc. SPIE 7059, 70590M (2008).
[CrossRef]

Yang, S. H.

Appl. Opt. (1)

Lighting Res. Technol. (1)

A. J. W. Whang, K. Y. Chen, K. H. Chou, and Y. Y. Chen, Lighting Res. Technol. 43, 281 (2011).
[CrossRef]

Opt. Express (1)

Proc. SPIE (3)

C. A. Chen, Y. Y. Chen, and A. J. W. Whang, Proc. SPIE 7422, 74220Z (2009).
[CrossRef]

C. J. Cheng and J. L. Chern, Proc. SPIE 6342, 63422F (2006).
[CrossRef]

Y. Y. Chen, W. Huang, and A. J. W. Whang, Proc. SPIE 7059, 70590M (2008).
[CrossRef]

Solar Energy (1)

A. Rosemann and H. Kaase, Solar Energy 78, 772 (2005).
[CrossRef]

Other (1)

F. Gugliermetti and F. Bisegna, “Assessing the dynamics of indoor natural illuminance in advanced packages for building energy analysis,” presented at the Eighth International IBPSA Conference, Eindhoven, Netherlands, August 11–14, 2003.

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Figures (6)

Fig. 1.
Fig. 1.

Angle of the tooth-profile reflector.

Fig. 2.
Fig. 2.

Path of incident light and reflecting light.

Fig. 3.
Fig. 3.

(a) Sectional sketch of a panel-type sunlight collector and (b) its model.

Fig. 4.
Fig. 4.

(a) System simulation diagram, and (b) without a secondary distribution.

Fig. 5.
Fig. 5.

(a) Analysis of illumination and energy efficiency and (b) illumination with a secondary distribution at 3 m.

Fig. 6.
Fig. 6.

Real model testing.

Tables (1)

Tables Icon

Table 1. Relationship of the Value of θ and t1/l

Equations (10)

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

n*sinβ=1*sin(π/2).
θ1=arcsin(sin(θ)/n).
L=L*cos(θ).
θ3=arctan(L/(h+H)),
θ4=(θ3)/2θ+(θ1)/2,
θ5=π/2+θθ3.
t1=l/(1+tan(θ4)/tan(θ5)),
t2=lt1.
t1/l=1/(1+tan(θ4)/tan(θ5)).
η=EiEo*100%=414.06w1000*100%41.41%.

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