To provide a light-emitting device in which uniformity of light from its light-emitting face is obtained while a heat radiating property of the light-emitting device is secured in the light-emitting device used as a backlight or the like of a liquid crystal display device.

A light-emitting element, a substrate having the light-emitting element, a circuit element connected to the light-emitting element, and a substrate having the circuit element are equipped in the light-emitting device, in which the substrate having the light-emitting element is bent, and the end part of the substrate having the light-emitting element is electrically connected to the substrate having the circuit element to form the light-emitting device.