| http://www.w3.org/ns/prov#value | - Examples of suitable light diffusing inorganic materials include materials comprising antimony, titanium, barium, and zinc, for example the oxides or sulfides of the foregoing such as zinc oxide, antimony oxide and mixtures comprising at least one of the foregoing inorganic materials. [0021]FIG. 2 shows two light diffusing particle size distributions 118 a, 118 b wherein the frequency of the light
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