| 摘要 |
A device (200, 300) makes smudges (406), including oils and dust, unnoticeable when formed on a viewable surface (201) thereof. The device (200, 300) includes a transparent layer (202) overlying a housing (102, 104) and/or a display (110, 150). A multi-phase structure (204, 206) is disposed on the transparent layer (202), the multi-phase structure (204, 206) comprising a solid porous matrix (204) defining a plurality of pores (208), and a non-solid material (206), for example, a liquid or a gel, disposed within the pores (208).
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