Dual layer light guide structure for led based ambilight
AssigneeKoninklijke Philips Electronics N.V.
InventorsBart Andre Salters, Marcellinus Petrus Carolus Michael Krijn
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Abstract
A device for guiding and mixing light comprising of a light guide, at least a first set of light emitting elements in a first layer and at least a second set of light emitting elements in a second layer. Each of the light emitting elements being arranged to emit light of at least a first predetermined frequency. The second layer extending in a second geometrical plane different from a first geometrical plane of the first layer for producing a uniform light output from the aggregate of the constituting frequencies.
Claims12
A device for guiding and mixing light, the device comprising:
- a light guide,
- at least a first set of light emitting elements arranged in a first layer extending in a first geometrical plane;
- and
- at least a second set of light emitting elements arranged in a second layer extending in a second geometrical plane different from and substantially parallel to the first geometrical plane, each of said light emitting elements arranged to emit light of at least a first predetermined frequency, wherein the first and second sets comprise corresponding counterpart light emitting elements with respect to frequencies of light emitted thereby, the second set of light emitting elements being arranged in reversed order of the frequencies relative to the first set of light emitting elements.
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Dependencies are inferred from the claim text.