Importance

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Abstract

Disclosed are structured optical films and optical displays incorporating such films. The film has a structured surface including a plurality of substantially parallel and elongate light-directing elements. Each element has a respective peak and defining at a junction with an adjacent element a respective valley. Each of the peaks and valleys define substantially the same dihedral angle and extend substantially uninterrupted across the structured surface. A first sequence defined by successive lateral distances between adjacent peaks is a first non-periodic sequence. A second sequence defined by successive lateral distances between adjacent valleys is a second non-periodic sequence. The second sequence is configured based on the first sequence, such that the peaks are arranged in a substantially coplanar formation. Alternatively, the first sequence is configured based on the second sequence, such that the valleys are arranged in a substantially coplanar formation.

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First Claim