Decorating part, housing of electronic device, and electronic device

An electronic device, comprising:

• a base layer, wherein an outer surface of the base layer comprises a first region and a second region, and the first region and the second region are adjacent to each other;
• a decoration part, wherein the decoration part is disposed on the outer surface of the base layer and located in the first region, and the decoration part is connected to the base layer by using a bearing layer;
• and
• a decoration layer, wherein the decoration layer comprises a portion covering the second region and a portion covering the first region except a region enclosed by a first closed connection line;
• wherein the decoration part comprises:
• the bearing layer with an upper surface and a lower surface;
• at least one first structural part, disposed on the upper surface of the bearing layer, wherein an edge of an upper surface of the at least one first structural part forms the first closed connection line, and the upper surface of the at least one first structural part faces away from the bearing layer;
• and
• at least one second structural part, wherein each second structural part is located in a region enclosed by the first closed connection line, and along a direction that is directed from the upper surface of the bearing layer to the lower surface of the bearing layer, the at least one second structural part comprises an upper surface and a lower surface that are arranged successively, and an edge of the upper surface of the at least one second structural part forms a second closed connection line;
• wherein a digging hole extends in the upper surface of the at least one first structural part and is located in the region enclosed by the first closed connection line, and the at least one second structural part is disposed in the digging hole;
• wherein the digging hole is a through-hole penetrating through the upper surface of the first structural part and the lower surface of the bearing layer;
• and
• wherein along a direction extending away from the lower surface of the bearing layer, the through-hole comprises a first hole segment and a second hole segment over the first hole segment, the first hole segment being wider than the second hole segment in a cross-sectional view, an edge of the lower surface of the bearing layer defining an edge of the first hole segment, an edge of the upper surface of the at least one first structural part defining an edge of the second hole segment, a lower surface of the at least one first structural part providing a plane surface extending from the edge of the first hole segment to the edge of the second hole segment, the at least one second structural part being disposed in the first hole segment and the second hole segment, and the lower surface of the at least one first structural part overlapping a lower region of the at least one second structural part;
• and
• wherein the lower surface of the at least one first structural part is disposed at a level higher than a level of the upper surface of the bearing layer.

A structure configured to be disposed on a housing of an electronic device, the structure comprising:

• a bearing layer with an upper surface and a lower surface;
• at least one first structural part, disposed on the upper surface of the bearing layer, wherein an edge of a first upper surface of the at least one first structural part forms a first closed connection line, and the first upper surface of the at least one first structural part faces away from the bearing layer;
• and
• at least one second structural part, wherein each second structural part is disposed on a second upper surface of the at least one first structural part and located in a region enclosed by the first closed connection line, the second upper surface of the at least one first structural part being disposed at a level between a level of the first upper surface of the at least one first structural part and a level of the upper surface of the bearing layer, the second upper surface of the at least one first structural part covering an entire lower surface of the at least one second structural part in a cross-sectional view, and along a direction that is directed from the upper surface of the bearing layer to the lower surface of the bearing layer, the at least one second structural part comprises an upper surface and the lower surface that are arranged successively, and an edge of the upper surface of the at least one second structural part forms a second closed connection line;
• and
• wherein the first closed connection line and the second closed connection line do not completely overlap.