| http://www.w3.org/ns/prov#value | - BRIEF DESCRIPTION OF THE DRAWINGS [0031]FIG. 1 is a schematic cross sectional view showing a part of light-emitting devices according to an embodiment of the invention; [0032]FIG. 2 is a graph showing an example of transmissive spectra of cholesteric liquid crystal layers according to the light-emitting devices of the embodiment of the invention; [0033]FIG. 3 is a graph showing an example of a rel
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