FIELD: lighting.
SUBSTANCE: invention generally relates the design of lighting fixture based on LEDs. Disclosed is a retractable lighting fixture having a retractable LED lighting layer. One or more optical layers(40, 240A/B, 340A/B, 440) may optionally be provided over the LED lighting layer (30, 230, 330, 430). Optical layer(s) and the LED lighting layer may optionally be movable relative to one another between at least being in an expanded spaced relation to one another and a compressed relation to one another.
EFFECT: one or more LEDs (34, 134, 234A/B, 334A/B, 434) on LED lighting layer can be individually controlled, and such LEDs (34, 134, 234A/B, 334A/B, 434) can be selectively extinguished when they are in the retracted position.
29 cl, 9 dwg
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