A display device includes: a substrate including a display area and a non-display area around the display area; a light-emitting element disposed in the display area; an encapsulating layer sealing the light-emitting element; and a dam disposed in the non-display area. The dam includes a first layer and a second layer on the first layer, the first layer includes a first portion with a first height and a second portion with a second height that is less than the first height, and the second layer covers a lateral surface of the first portion.