G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/124 (2006.01) E01F 9/015 (2006.01)
Patent
CA 2621848
Retroreflective sheeting (10) comprising a retroreflecting layer (12), which has an array of retroreflective elements (34) formed thereon, and a divergence- enhancing layer (14) which is positioned in front of the retroreflecting layer (12). The divergence-enhancing layer (14) has localized aberration regions (42) which change the divergence of light traveling therethrough. The placement of the localized aberration regions (42) relative to the retroreflective elements (34) broadens the divergence range of the sheeting (10).
Cette invention concerne une feuille rétroréfléchissante (10) comprenant une couche rétroréfléchissante (12), sur laquelle est formé un réseau d~éléments rétroréfléchissants (34), et une couche d~amélioration de divergence (14) qui est placée devant la première couche (12). La couche d~amélioration de divergence (14) comprend des zones d~aberration localisées (42) qui modifient la divergence d~une lumière les traversant. Le placement des zones d~aberration localisées (42) par rapport aux éléments rétroréfléchissants (34) élargit la plage de divergence de la feuille (10).
Avery Dennison Corporation
Smart & Biggar
LandOfFree
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