Reflective displays, sub-pixels for reflective displays and methods to control reflective displays are disclosed. An example sub-pixel for a reflective display disclosed herein comprises a first active shutter layer to provide a first adjustable light transmission, a second active shutter layer to provide a second adjustable light transmission, the first and second active shutter layers being independently controllable, and a luminescent layer positioned interior to at least one of the first and second active shutter layers, the luminescent layer to emit light having a color corresponding to the sub-pixel.
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