Patent ID: 8950902
Filing Date: 2015-02-10
Classification: G02B,Y10T

Abstract:
1. A lightguide comprising: a light transmitting film having a body with opposing faces with a thickness not greater than 0.5 millimeters therebetween; a first array of legs formed along a first side of the body of the film wherein: each leg of the first array of legs comprises a first bounding edge at an end thereof; the first bounding edges defining a first light input surface; and each leg of the first array of legs is folded over 90 degrees and stacked to form a first bundle of the first array of legs; and a second array of legs formed along the body of the film wherein: each leg of the second array of legs comprises a second bounding edge at an end thereof; the second bounding edges defining a second light input surface; and each leg of the second array of legs is folded over 90 degrees and stacked to form a second bundle of the second array of legs different from the first bundle.