How does light guide plate work?

http://www.cutcnccam.com/article-show-2012913813446.shtml
Light guide plate is a light-emitting panel widely used for brilliant advertising purposes.
It's made of optic acrylic resin panel. Based on matrix pattern as special designed V-cuts or dots,light guide plate reflect the light directed from the end of the light-emitting panel into the panel interior to illuminate the light-emitting surface.
CUTCNC can produce custom light guide plate at fast lead time.
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