Journal of Information Display

The Korean Infomation Display Society (한국정보디스플레이학회)
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Polarized Light Out-coupling in Backlight by Collimating the Beam into Lightguide Plate

  • Hwang, Seong-Mo (Display Device and processing Lab., Samsung Advanced Institute of Technology, School of Electrical Engineering #32, Seoul National University, Member, KIDS) ;
  • Kim, Yeun-Tae (School of Electrical Engineering #32, Seoul National University, Member, KIDS) ;
  • Nam, Seung-Ho (Display Device and processing Lab., Samsung Advanced Institute of Technology) ;
  • Lee, Sin-Doo (School of Electrical Engineering #32, Seoul National University, Member, KIDS)
  • Published : 2007.03.24
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Abstract

We developed a new configuration of polarized light out-coupling lightguide plate (LGP) in the LCD backlight. By collimating the light into the LGP, one linear polarization component experienced total internal reflection at the planar interface of LGP and anisotropic layer, whereas the orthogonal polarization was out-coupled along the normal direction through a birefringent layer and subsequent isotropic microstructures.

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References

  1. D. J. Broer, J. Lub, and G. N. Mol, Nature 378, 467 (1995) https://doi.org/10.1038/378467a0
  2. A. J. Ouderkirk, O. Benson Jr., J. S. Cobb, J. M. Jonza, M. F. Webber, D. L. Wortman, and C. A. Stover, us. Patent 5,828,488 (1998)
  3. H. J. B. Jagt, H. J. Cornelissen, D. J. Broer, and C. W. M. Bastiaansen, in SID '02 Digest (2002), p. 1236
  4. H. J. Cornelissen, H. P. M. Huck, D. J. Broer, S. J. Picken, C. W. M. Bastiaansen, E. Erdhuisen, and N. Maaskant, in SID '04 Digest (2004), p. 1178
  5. K.-W. Chien, H.-P. D. Shieh, and H. Cornelissen, Appl. Opt. 43, 4672 (2004) https://doi.org/10.1364/AO.43.004672
  6. K.-W. Chien and H.-P. D. Shieh, in SID '02 Digest (2002), p. 1229