The short structures can comprise {HEAD ~ photodiodes}, {TAIL ~ LEDs}, or OLEDs, and the resulting light field sensor can respond to color 
The short structures can comprise { HEAD ~ photodiodes } , { TAIL ~ LEDs } , or OLEDs , and the resulting light field sensor can respond to color
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH