Patent ID: 9442243
Filing Date: 2016-09-13
CPC Classification: G02B

Claim Text:
1. A waveguide, comprising: a body made of at least one optically transmissive material and exhibiting a total internal reflectance characteristic wherein the body comprises a first plate and a second plate, the body comprising a first face and a second face opposite the first face wherein the first and second faces extend along a lateral direction and a coupling cavity adapted to receive a light emitting diode (LED) that is configured to direct light into the body; wherein the body comprises an extraction feature disposed on one of the first and second faces and configured to direct light traveling through the body out of at least one of the first and second faces; and wherein the body further comprises a redirection feature disposed at least in part between the first and second faces and disposed between the coupling cavity and the extraction feature along the lateral direction, and wherein the redirection feature is formed in the at least one optically transmissive material of the body such that the redirection feature is integral with the body and is configured to redirect light traveling through the body laterally within the body.