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Molecular Crystals and Liquid Crystals Volume 472, 2007 - Issue 1
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Optical Properties of Organic Materials

Grating-Based Luminance-Enhancement Film for LCD Backlights

Komatsu Tokutaro Electronic Materials R&D Center, Hitachi Chemical Co. Ltd., Tsukuba, Ibaraki, JapanCorrespondence[email protected]
,
Awano Yasuhiko Electronic Materials R&D Center, Hitachi Chemical Co. Ltd., Tsukuba, Ibaraki, Japan
,
Toyama Mariko Electronic Materials R&D Center, Hitachi Chemical Co. Ltd., Tsukuba, Ibaraki, Japan
,
Yoshida Akihiro Advanced Materials R&D Center, Hitachi Chemical Co. Ltd., Tsukuba, Ibaraki, Japan
&
Kobayashi Shingo Advanced Materials R&D Center, Hitachi Chemical Co. Ltd., Tsukuba, Ibaraki, Japan
Pages 17/[407]-23/[413] | Published online: 22 Sep 2010
 
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Abstract

LCD backlights have to meet two contradictory requirements: high luminance and uniform emission. Utilizing the characteristics of diffraction gratings, we have developed micro-patterned optical films which provide highly collimated emission and good uniformity at the same time. The design strategies, optical characteristics and high-precision patterning of the grating-based luminance-enhancement films will be presented.

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