An electronic device, comprising: a housing comprising a first plate facing a first direction, a second plate facing a second direction opposite the first direction, and a side member surrounding a space between the first plate and the second plate, wherein the side member comprises a first portion, comprising an external metal part having a first face facing an outside and a second face facing the space and an internal polymer portion having a third face contacting the second face and a fourth face facing the space; a touch screen display positioned within the space to be viewable through the first plate, wherein an edge of the touch screen display includes a gap (g) from the first portion of the side member, wherein the gap is covered by a peripheral portion of the first plate when the first plate is viewed from above; an antenna structure comprising at least one antenna and comprising a substrate having a fifth face facing the second face and a sixth face facing a direction opposite the fifth face such that an acute angle is formed between the substrate and the touch screen display and at least one conductive pattern positioned between the fifth face and the sixth face and extending toward the peripheral portion of the first plate; and wireless communication circuitry operatively connected to the at least one conductive pattern and configured to form a directivity beam in the first direction using at least a part of the at least one conductive pattern, wherein the touch screen display includes a cutting part from which at least part of an area overlapping the at least one conductive pattern is omitted when the first plate is viewed from above. a housing comprising a first plate facing a first direction, a second plate facing a second direction opposite the first direction, and a side member surrounding a space between the first plate and the second plate, wherein the side member comprises a first portion, comprising an external metal part having a first face facing an outside and a second face facing the space and an internal polymer portion having a third face contacting the second face and a fourth face facing the space; a touch screen display positioned within the space to be viewable through the first plate, wherein an edge of the touch screen display includes a gap (g) from the first portion of the side member, wherein the gap is covered by a peripheral portion of the first plate when the first plate is viewed from above; an antenna structure comprising at least one antenna and comprising a substrate having a fifth face facing the second face and a sixth face facing a direction opposite the fifth face such that an acute angle is formed between the substrate and the touch screen display and at least one conductive pattern positioned between the fifth face and the sixth face and extending toward the peripheral portion of the first plate; and wireless communication circuitry operatively connected to the at least one conductive pattern and configured to form a directivity beam in the first direction using at least a part of the at least one conductive pattern, wherein the touch screen display includes a cutting part from which at least part of an area overlapping the at least one conductive pattern is omitted when the first plate is viewed from above.