G
PHYSICS
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G02
OPTICS
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G02B
OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
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6/00
Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
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G02B6/0001
specially adapted for lighting devices or systems
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G02B6/0011
the light guides being planar or of plate-like form
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G02B6/0066
characterised by the light source being coupled to the light guide
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G02B6/0068
Arrangements of plural sources, e.g. multi-colour light sources
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