PACKAGING COMPRISING A LIGHTGUIDE
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United States of America Patent
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Issued Date -
Nov 28, 2013
app pub date -
Dec 21, 2011
filing date -
Dec 21, 2010
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A packaging includes a film-based lightguide wherein incident light propagates through the lightguide to a light emitting region where the light is emitted. In one embodiment, a packaging includes a lightguide defining a lightguide region. An array of coupling lightguides are continuous with the lightguide region. Each coupling lightguide terminates in an edge and each coupling lightguide is folded such that the edges of the array of coupling lightguides form a stack defining a light input surface. Alight emitting region is defined within the lightguide region by at least one light extraction feature. A method of making or producing a packaging is also disclosed.
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