A brightness enhancement article and illumination system provides light from a two-dimensional surface. The brightness enhancement article has a plurality of light collecting structures wherein each light collecting structure is longitudinally extended in a length direction along the surface. The structures may have various lengthwise shapes such as being curved, concentric, radial, or of varying thickness.

 
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< Replaceable lamp module for liquid crystal display

> Backlight assembly and liquid crystal display apparatus having the same

> Backlight assembly and display device having the same

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