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

Akihiro Tagaya; Michio Nagai; Yasuhiro Koike

doi:10.1364/AO.40.006274

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

Akihiro Tagaya, Michio Nagai, Yasuhiro Koike

Department of Applied Physics and Physico-Informatics

Research output: Contribution to journal › Article › peer-review

62 Citations (Scopus)

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.

Original language	English
Pages (from-to)	6274-6280
Number of pages	7
Journal	Applied Optics
Volume	40
Issue number	34
DOIs	https://doi.org/10.1364/AO.40.006274
Publication status	Published - 2001 Dec 1

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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AB - 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.

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

Abstract

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