Invisible, light-transmissive display system

Vehicle instrumentation comprising:

• a layer of opaque material;
• a hole in the layer of opaque material, wherein the hole has a lateral dimension that is less than 0.1 mm;
• and
• a light sensitive receptor configured to receive light through the hole in the layer of opaque material.

An electronic device comprising:

• a wall having a plurality of openings;
• a display having a plurality of pixels, wherein each pixel in the plurality of pixels comprises a respective one of the openings in the plurality of openings;
• and
• a controller configured to control the display to emit light through the plurality of openings, wherein the plurality of openings are invisible when the display is off.