G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 5/00 (2006.01) F21V 5/02 (2006.01) F21V 8/00 (2006.01) G02F 1/1335 (2006.01)
Patent
CA 2212223
A light directing film (50) including a first surface and a second structured surface (52). The structured surface (52) includes a repeating pattern of prism zones including at least a first zone having a plurality of prism elements (56) with peaks disposed at a first distance from a reference plane and a second zone having a plurality of prism elements (54) with peaks disposed less than the first distance from a reference plane. The width of the first zone preferably measures less than about 300 microns.
L'invention porte sur un film photodirecteur (50) comportant une première surface lisse et une seconde surface structurée (52). Cette dernière (52) comporte un motif répétitif de zones de prismes comprenant au moins une première zone comportant plusieurs éléments prismatiques (56) dont les sommets sont à une première distance d'un plan de référence, et une seconde zone comportant plusieurs éléments prismatiques (54) dont les sommets sont à une seconde distance moindre que la première d'un plan de référence, la largeur de la première zone étant de préférence inférieure à 300 microns.
Cobb Sanford Jr.
Gardiner Mark E.
Wortman David L.
Minnesota Mining And Manufacturing Company
Smart & Biggar
LandOfFree
Light directing film having variable height structured... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Light directing film having variable height structured..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Light directing film having variable height structured... will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1698780