Examples include, but are not limited to, liquid crystal displays employing {HEAD ~ an output polarizer} for generating an image and organic light emitting diode displays employing circular polarizers for enhancement of {TAIL ~ contrast ratio} in sunlight 
Examples include , but are not limited to , liquid crystal displays employing { HEAD ~ an output polarizer } for generating an image and organic light emitting diode displays employing circular polarizers for enhancement of { TAIL ~ contrast ratio } in sunlight
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH