Abstract: An electronic device including a metal casing and a covering structure is provided. The metal casing has a first opening. The covering structure includes a cover and a conductive component. The cover is assembled to the metal casing and covers the first opening, wherein the cover has at least one hole. The conductive component is fixed to the cover and has at least one contacting portion, wherein the contacting portion passes through the hole and contacts the metal casing, and an electromagnetic wave is adapted to pass through the conductive component to be transmitted to the metal casing.

Abstract: An electronic device including a metal casing and a covering structure is provided. The metal casing has a first opening. The covering structure includes a cover and a conductive component. The cover is assembled to the metal casing and covers the first opening, wherein the cover has at least one hole. The conductive component is fixed to the cover and has at least one contacting portion, wherein the contacting portion passes through the hole and contacts the metal casing, and an electromagnetic wave is adapted to pass through the conductive component to be transmitted to the metal casing.

Abstract: A decoration element comprising a light guiding shell, a light guiding panel and a light source is provided. The light guiding shell has a light entrance, and comprises a first inclined plate, a second inclined plate, a first flat plate and a second flat plate. The first inclined plate is disposed on one side of the light entrance, while the second inclined plate is disposed on the other side of the light entrance. The first flat plate is connected to the first inclined plate, and the second flat plate is connected to the second inclined plate. The light guiding panel is disposed in the light guiding shell. The light source is disposed in the light entrance. The included angel between the first inclined plate and the second inclined plate ranges between 60 and 160 degrees.