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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 34 — Dec. 1, 2001
  • pp: 6274–6280

Thin liquid-crystal display backlight system with highly scattering optical transmission polymers

Akihiro Tagaya, Michio Nagai, Yasuhiro Koike, and Kazuaki Yokoyama  »View Author Affiliations


Applied Optics, Vol. 40, Issue 34, pp. 6274-6280 (2001)
http://dx.doi.org/10.1364/AO.40.006274


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Abstract

We describe an advanced highly scattering optical transmission (HSOT) polymer backlight system that has shown twice the brightness of a conventional transparent system in spite of its having a thinner backlight. The HSOT polymer that contains optimized heterogeneous structures produced homogeneous scattered light with forward directivity and sufficient color uniformity. Although it was thought that polymers for light-guide plates (LGPs) must be transparent to minimize scattering, we have come to the conclusion that the HSOT polymer, which is not an absorping medium but a scattering medium, is a more suitable medium for LGPs.

© 2001 Optical Society of America

OCIS Codes
(120.2040) Instrumentation, measurement, and metrology : Displays
(230.3720) Optical devices : Liquid-crystal devices
(290.4210) Scattering : Multiple scattering
(290.7050) Scattering : Turbid media

History
Original Manuscript: July 25, 2000
Revised Manuscript: July 18, 2001
Published: December 1, 2001

Citation
Akihiro Tagaya, Michio Nagai, Yasuhiro Koike, and Kazuaki Yokoyama, "Thin liquid-crystal display backlight system with highly scattering optical transmission polymers," Appl. Opt. 40, 6274-6280 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-34-6274

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