a controller operable to control one of {HEAD ~ injection} of {TAIL ~ the fluid} to the deformation sections of the transparent panel unit and discharge of the fluid from the deformation sections of the transparent panel unit, according to an image to be displayed on the screen surface of the display panel unit, 
of
a controller operable to control one of { HEAD ~ injection } of { TAIL ~ the fluid } to the deformation sections of the transparent panel unit and discharge of the fluid from the deformation sections of the transparent panel unit , according to an image to be displayed on the screen surface of the display panel unit ,
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL 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 OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH