| 摘要 |
A housing for a portable electronic device includes a molded base and a nano-particle coating. The nano-particle coating is formed on the molded base. The nano-particle coating has nano-particles comprising a material selected from the group of zinc sulfide (ZnS), cadmium sulfide (CdS), tellurium sulfide (TeS), zinc selenide (ZnSe), cadmium selenide (CdSe), cerium oxide (CeO<SUB>2</SUB>), zinc oxide (ZnO<SUB>x</SUB>), tin oxide (SnO<SUB>2</SUB>), zinc-europium orthosilicate (Eu-ZnSiO<SUB>x</SUB>), barium-magnesium-europium aluminate (BaMgAlO<SUB>x</SUB>-Eu), and gadolinium-yttrium-europium borate ((Y, Gd)BO<SUB>3</SUB>-Eu), the nano-particles have predetermined sizes for producing different color.
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