| http://www.w3.org/ns/prov#value | - playelement 1 are arranged, and allows a light coming thereto from its front and its back to permeate therethrough.FIG. 3 and FIG. 4 are the plan view and the side view of the surface light source 25, and FIG. 5 is an exemplary diagram showing a light emitted from a light guiding member and a light guiding plate of the surface light source 25.As shown in FIG. 3 and FIG. 4, the surface light source
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