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http://dx.doi.org/10.3807/COPP.2017.1.2.101

Optimization of Ultrathin Backlight Unit by Using a Tapered Light Guide Film Studied by Optical Simulation  

Joo, Byung-Yun (Department of Mechanical Engineering, Korea University of Technology and Education)
Ko, Jae-Hyeon (Department of Physics, Hallym University)
Publication Information
Current Optics and Photonics / v.1, no.2, 2017 , pp. 101-106 More about this Journal
Abstract
Optical structures of a tapered ultra-thin light guide film (LGF) were optimized by optical simulation for increasing coupling efficiency between light sources and the LGF. A serration pattern on the entrance side surface could provide a comparable coupling efficiency to that of the conventional LGF where a linear, asymmetric prism array was formed on the taper surface. Several micro-patterns were applied to the top and/or bottom surface of the LGF for achieving better luminance property, and it was found that an optimized micro-pyramid pattern exhibited the highest average luminance together with satisfactory luminance uniformity.
Keywords
Light guide film; Coupling efficiency; Taper; Serration; Optical simulation;
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Times Cited By KSCI : 1  (Citation Analysis)
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