G - Physics
02
B
G02B 5/04 (2006.01) F21V 5/02 (2006.01) F21V 8/00 (2006.01)
Patent
CA 2318790
An optical film having structures that vary in height along their length where the variations have a nominal period of less than forty times the nominal height of the structures is taught. In some embodiments of the invention the variation is random.
Couche optique ayant des structures dont la hauteur varie sur leur longueur, ces variations présentant une période nominale de moins de 40 fois la hauteur nominale des structures. Dans certains modes de réalisation de l'invention, la variation est aléatoire.
Campbell Alan B.
Cobb Sanford Jr.
Hoopman Timothy L.
Kretman Wade D.
Niezgocki Marvin J.
Minnesota Mining And Manufacturing Company
Oyen Wiggs Green & Mutala Llp
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