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We proposed a novel backlight system, which consisted of a hybrid light guide plate (LGP) and one diffuser sheet. The hybrid LGP contains a flat plate without any microstructures and one layer of optically patterned film (OPF). Comparing with the conventional edge-lit backlight system, the on-axis luminance could be improved to 6.1 by using the novel backlight system and the half-luminance...
This paper describes an innovative approach for fabricating seamless roller molds based on conventional photolithography. The fabricated seamless roller molds are then applied in a UV-curing roller imprinting process to replicate ball-lens-array microstructures on a polymer substrate, which finally forms a light-converging optical film to be used in back-light units of flat panel displays. The roller...
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