Samsung Electronics Co., Ltd.

Jong-Kyun Im

Min-Su Jung

Yong-Seok Lee

Jin-Young Park

Jin-A Mock

Seung-Jae Bae

An electronic device according to an embodiment of the present invention may comprise: a housing comprising a first glass plate, a second glass plate facing in the opposite direction to the first glass plate, and a side member surrounding the space between the first glass plate and the second glass plate, the second plate comprising an outer surface facing in the opposite direction to the first plate and an inner surface facing the first plate; an inner middle plate positioned between the first plate and the second plate; a touch screen display positioned between the middle plate and the first plate; an opaque layer comprising a first opening and a second opening positioned within 150 mm from the first opening, the opaque layer being directly or indirectly attached to the inner surface of the second plate comprising a hole overlapping with the first opening but comprising no hole overlapping with the second opening; a camera assembly partially positioned inside the hole of the second plate and the first opening; a light-emitting diode (LED) positioned between first parts of the second opening while facing the second opening and functionally connected to the camera assembly; a heart rate monitor (HRM) assembly positioned between second parts of the second opening while facing the second opening, the second opening having a gap between the heart rate monitor (HRM) assembly and the inner surface of the second plate, and the heart rate monitor (HRM) assembly comprising a light-discharging element and a light-receiving element; and a light guide structure comprising a first part between the LED and the second plate and a second part between the heart rate monitor (HRM) assembly and the second plate, the light guide structure being configured such that, when seen from above the second plate, the first part surrounds the LED, while the second part surrounds the light-discharging element.

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Yongin-si, South Korea

Jong-Kyun Im