<p>Disclosed is a light-emitting device (10) comprising a backside electrode (2) serving as a first electrode and a transparent electrode (3) serving as a second electrode, which are so arranged as to face each other and at least one of which transmits light, and a light-emitting particle (4) arranged between the backside electrode (2) and the transparent electrode (3) and electrically connected to the backside electrode (2) and the transparent electrode (3). The backside electrode (2) serving as a first electrode has a recessed portion in a surface facing the transparent electrode (3) serving as a second electrode.</p>
