Abstract: A loudspeaker device includes a frame having a bottom portion with a curved surface along a first direction and a pair of lateral portions provided at lateral sides of the bottom portion in the first direction; a plurality of magnets curved and extended along the curved surface of the bottom portion, and arranged to be spaced apart from each other; a diaphragm supported by the pair of lateral portions, curved in parallel with the curved surface of the bottom portion, and spaced apart at a predetermined distance from top surfaces of the plurality of magnets; and a coil provided on the diaphragm at positions corresponding to spaces between the plurality of magnets in the first direction, the coil being configured to drive the diaphragm to vibrate in a direction perpendicular to the curved surface of the bottom portion of the frame by a magnetic field formed by the plurality of magnets as an audio signal is electrically applied.

Abstract: A loudspeaker device includes a frame having a bottom portion with a curved surface along a first direction and a pair of lateral portions provided at lateral sides of the bottom portion in the first direction; a plurality of magnets curved and extended along the curved surface of the bottom portion, and arranged to be spaced apart from each other; a diaphragm supported by the pair of lateral portions, curved in parallel with the curved surface of the bottom portion, and spaced apart at a predetermined distance from top surfaces of the plurality of magnets; and a coil provided on the diaphragm at positions corresponding to spaces between the plurality of magnets in the first direction, the coil being configured to drive the diaphragm to vibrate in a direction perpendicular to the curved surface of the bottom portion of the frame by a magnetic field formed by the plurality of magnets as an audio signal is electrically applied.