The heat is transferred through {TAIL ~ the thin substrate} to the liquid crystal layer which results in {HEAD ~ a color change} in the liquid crystal 
The heat is transferred through { TAIL ~ the thin substrate } to the liquid crystal layer which results in { HEAD ~ a color change } in the liquid crystal
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH