An electronic device is disclosed. According to an embodiment, an electronic device may comprise: a transparent member; a display panel that is disposed beneath the transparent member and comprises multiple pixels and at least one transmission area which is formed between the multiple pixels and through which light can pass; a biometric sensor which is disposed beneath the display panel and can acquire light that has been output through at least some of the multiple pixels, has been reflected by an external object near or in contact with the transparent member, and then has passed through the at least one transmission area; and a light path changing member disposed between the biometric sensor and the display panel and spaced a predetermined distance apart from the biometric sensor, the light path changing member being able to change an optical path with respect to at least a part of the light having passed through the at least one transmission area. Various other embodiments found in the specification are also possible.