A spacer supporting structure includes: a plurality of bar-shaped spacers
adapted to maintain a gap between two panels; a first supporting member
adapted to fix an end part of the spacer, the first supporting member
being arranged on an edge of one of the two panels; a second supporting
member arranged on another edge of the one of the two panels; and a
plurality of elastic members arranged on the second supporting member,
the plurality of elastic members adapted to apply a tensile force to the
respective spacers by being coupled to the second ends of the spacers.