The wiring board 16, wherein the via plug fills an entirety of the through opening such that side surfaces of the via plug directly abut the insulating layer, and {HEAD ~ the via plug} directly connects to {TAIL ~ the back surface} of the first electrode 
directly connects to
The wiring board 16 , wherein the via plug fills an entirety of the through opening such that side surfaces of the via plug directly abut the insulating layer , and { HEAD ~ the via plug } directly connects to { TAIL ~ the back surface } of the first electrode
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH