Patent ID: 9585273
Date: 2017-02-28
CPC Classifications: B05D,G06F,H04M,H05K

Claim:
1. A portable electronic device comprising: an external housing comprising a first surface and a second surface oriented in a direction opposite to the first surface; a first layer that is formed on at least a part of the first surface or the second surface, is substantially transparent, and forms at least a part of an external surface of the first surface; a second layer that includes a material different from that of the first layer and faces the first layer; a third layer that includes a material different from materials of the first layer and the second layer, is inserted between the first layer and the second layer, and includes a surface oriented toward the first layer and a surface oriented toward the second layer, the surface of the third layer oriented toward the first layer being in contact with the first layer; and a fourth layer that includes a reflective material different from materials of the first layer to the third layer and is inserted between the second layer and the third layer, wherein the surface of the third layer oriented toward the second layer includes a repeating pattern of protrusions protruding toward the second layer, and wherein the repeating pattern is offset inward from an edge of the first layer.