A light-emitting device comprising: a light-emitting structure having a first electrode layer, a light-transmitting body substantially formed in a cuboid shape to encapsulate the light-emitting structure, and comprising a top surface, a bottom surface opposite to the top surface, a first side surface, a second side surface, a third side surface opposite to the first side surface, and a fourth side surface opposite the second side surface, wherein the second and fourth side surfaces (124, 126) are shorter than the first and third side surfaces (123, 125); a first reflective layer arranged on the bottom surface and formed in contact with the first electrode layer; a pair of extension electrode layers (15A, 15B) arranged on the bottom surface and formed in contact with and below the first reflective layer and the first electrode layer; and a second reflective layer (17") located above the first reflective layer and the pair of extension electrode layers in a configuration of overlapping with the first reflective layer and the extension electrode layers in a cross-sectional view, wherein the second reflective layer (17") comprises an inner surface (172") and an outer surface (171"), the outer surface (171") is perpendicular to the top surface, and the inner surface (172") has a curved shape and is separated from the outer surface (171") by a distance which is gradually increased along a direction from the top surface to the bottom surface; wherein the light-emitting device has a first light-emitting angle and a second light-emitting angle, the second reflective layer (17") covers the first side surface and the third side surface without covering the second side surface and the fourth side surface such that the first light-emitting angle and the second light-emitting angle have a difference larger than 15°, and the first light-emitting angle and a second light-emitting angle are both defined as a range of angle from an angle of maximum luminous intensity to an angle of half (50%) of the maximum luminous intensity. a light-emitting structure having a first electrode layer, a light-transmitting body substantially formed in a cuboid shape to encapsulate the light-emitting structure, and comprising a top surface, a bottom surface opposite to the top surface, a first side surface, a second side surface, a third side surface opposite to the first side surface, and a fourth side surface opposite the second side surface, wherein the second and fourth side surfaces (124, 126) are shorter than the first and third side surfaces (123, 125); a first reflective layer arranged on the bottom surface and formed in contact with the first electrode layer; a pair of extension electrode layers (15A, 15B) arranged on the bottom surface and formed in contact with and below the first reflective layer and the first electrode layer; and a second reflective layer (17") located above the first reflective layer and the pair of extension electrode layers in a configuration of overlapping with the first reflective layer and the extension electrode layers in a cross-sectional view, wherein the second reflective layer (17") comprises an inner surface (172") and an outer surface (171"), the outer surface (171") is perpendicular to the top surface, and the inner surface (172") has a curved shape and is separated from the outer surface (171") by a distance which is gradually increased along a direction from the top surface to the bottom surface; wherein the light-emitting device has a first light-emitting angle and a second light-emitting angle, the second reflective layer (17") covers the first side surface and the third side surface without covering the second side surface and the fourth side surface such that the first light-emitting angle and the second light-emitting angle have a difference larger than 15°, and the first light-emitting angle and a second light-emitting angle are both defined as a range of angle from an angle of maximum luminous intensity to an angle of half (50%) of the maximum luminous intensity.