A display device comprising: a first electrode stem and a second electrode stem extended in a first direction and spaced apart from each other; a plurality of first electrode branches branching off from the first electrode stem and extended in a second direction intersecting with the first direction; a second electrode branch branching off from the second electrode stem, extended in the second direction, and disposed between the plurality of first electrode branches; at least one third electrode disposed between one of the first electrode branches and the second electrode branch; and light-emitting elements disposed between said one of the first electrode branches and the third electrode and between the third electrode and the second electrode branch, a first contact electrode disposed on said one of the first electrode branches, and contacting with the light-emitting elements, a second contact electrode disposed on the second electrode branch, and contacting with the light-emitting elements, and at least one third contact electrode disposed on the third electrode, and contacting with the light-emitting elements; wherein the third electrode is extended in the second direction, and both ends of the third electrode in the second direction are spaced apart from the first electrode stem and from the second electrode stem, respectively, wherein the light-emitting elements comprise: a first light-emitting element disposed between said one of the first electrode branches and the third electrode; and a second light-emitting element disposed between the third electrode and the second electrode branch, wherein the first light-emitting element and the second light-emitting element are connected in series between said one of the first electrode branches and the second electrode branch, the first contact electrode contacts with the first light-emitting element, the second contact electrode contacts with the second light-emitting element, and the third contact electrode contacts with the first light-emitting element and the second light-emitting element. a first electrode stem and a second electrode stem extended in a first direction and spaced apart from each other; a plurality of first electrode branches branching off from the first electrode stem and extended in a second direction intersecting with the first direction; a second electrode branch branching off from the second electrode stem, extended in the second direction, and disposed between the plurality of first electrode branches; at least one third electrode disposed between one of the first electrode branches and the second electrode branch; and light-emitting elements disposed between said one of the first electrode branches and the third electrode and between the third electrode and the second electrode branch, a first contact electrode disposed on said one of the first electrode branches, and contacting with the light-emitting elements, a second contact electrode disposed on the second electrode branch, and contacting with the light-emitting elements, and at least one third contact electrode disposed on the third electrode, and contacting with the light-emitting elements; wherein the third electrode is extended in the second direction, and both ends of the third electrode in the second direction are spaced apart from the first electrode stem and from the second electrode stem, respectively, wherein the light-emitting elements comprise: a first light-emitting element disposed between said one of the first electrode branches and the third electrode; and a second light-emitting element disposed between the third electrode and the second electrode branch, wherein the first light-emitting element and the second light-emitting element are connected in series between said one of a second light-emitting element disposed between the third electrode and the second electrode branch, wherein the first light-emitting element and the second light-emitting element are connected in series between said one of the first electrode branches and the second electrode branch, the first contact electrode contacts with the first light-emitting element, the second contact electrode contacts with the second light-emitting element, and the third contact electrode contacts with the first light-emitting element and the second light-emitting element. the first contact electrode contacts with the first light-emitting element, the second contact electrode contacts with the second light-emitting element, and the third contact electrode contacts with the first light-emitting element and the second light-emitting element.