Luminaire utilizing waveguide
First Claim
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1. An optical waveguide body comprising orthogonal x- and y-dimensions, comprising:
- at least one coupling feature for directing light into the waveguide body and the at least one coupling feature extending into the waveguide body from an end surface;
at least one light redirection feature extending in the x- and y-dimensions for redirecting light within the waveguide body;
at least one first light extraction feature extending in the x-dimension for extracting light out of the waveguide body;
at least one second light extraction feature extending in the y-dimension for extracting light out of the waveguide body; and
at least one light extraction rib extending in the y-dimension and disposed within a first side of the waveguide body transverse to the end surface;
wherein the at least one first light extraction feature, the at least one second light extraction feature, and the at least one light redirection feature are disposed within a second side of the waveguide body transverse to the end surface;
wherein the at least one first light extraction feature and the at least one second light extraction feature comprise first and second sloped surfaces, respectively, and the first and second sloped surfaces face different directions.
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Abstract
An optical waveguide having orthogonal x- and y-dimensions includes at least one coupling feature for directing light into the waveguide, at least one light redirection feature extending in the x- and y-dimensions for redirecting light in the waveguide, at least one first light extraction feature extending in the x-dimension for extracting light out of the waveguide, and at least one second light extraction feature extending in the y-dimension for extracting light out of the waveguide.
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Citations
34 Claims
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1. An optical waveguide body comprising orthogonal x- and y-dimensions, comprising:
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at least one coupling feature for directing light into the waveguide body and the at least one coupling feature extending into the waveguide body from an end surface; at least one light redirection feature extending in the x- and y-dimensions for redirecting light within the waveguide body; at least one first light extraction feature extending in the x-dimension for extracting light out of the waveguide body; at least one second light extraction feature extending in the y-dimension for extracting light out of the waveguide body; and at least one light extraction rib extending in the y-dimension and disposed within a first side of the waveguide body transverse to the end surface; wherein the at least one first light extraction feature, the at least one second light extraction feature, and the at least one light redirection feature are disposed within a second side of the waveguide body transverse to the end surface; wherein the at least one first light extraction feature and the at least one second light extraction feature comprise first and second sloped surfaces, respectively, and the first and second sloped surfaces face different directions. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33)
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34. A luminaire, comprising:
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an optical waveguide body comprising orthogonal x- and y-dimensions, a housing for outdoor use, and a control device comprising a programmable element adapted to limit power developed by a driver circuit wherein the optical waveguide body, the control device, and the driver circuit are disposed within the housing, the optical waveguide body comprising; at least one coupling feature for directing light into the waveguide body and the at least one coupling feature extending into the waveguide body from an end surface; at least one light redirection feature extending in the x- and y-dimensions for redirecting light within the waveguide body; at least one first light extraction feature extending in the x-dimension for extracting light out of the waveguide body; at least one second light extraction feature extending in the y-dimension for extracting light out of the waveguide body; and at least one light extraction rib extending in the y-dimension and disposed within a first side of the waveguide body transverse to the end surface; wherein the at least one first light extraction feature, the at least one second light extraction feature, and the at least one light redirection feature are disposed within a second side of the waveguide body transverse to the end surface.
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Specification