Patent ID: 8905610

Claim:
A device comprising: a) a light transmitting film having a body with opposing faces and a thickness not greater than 0.5 millimeters therebetween, and an array of strips extending from the body wherein: i. each strip of the array of strips comprises a bounding edge at an end thereof; and ii. each strip is folded in a fold region such that the bounding edges of the array of strips are stacked; b) a first region defined within the body configured to extract light when illuminated by light from the array of strips, the light propagating and mixing within the body in a waveguide condition; c) at least one frame member substantially enclosing the fold regions of the stacked array of strips; and d) a first opening defined in the at least one frame member through which an intermediate region of the light transmitting film defined between the fold regions of the stacked array of strips and the first region extends.