Electroluminescence display device
An electroluminescence display device includes: a first substrate and a second substrate facing each other, a bank configured to define a plurality of emission areas on the first substrate, a light-emitting layer including: a first light-emitting layer in a first emission area among the plurality of emission areas, a second light-emitting layer in a second emission area among the plurality of emission areas, and a third light-emitting layer in a third emission area among the plurality of emission areas, a first dam at an outer portion of the bank, a second dam at an outer portion of the first dam, a dummy light-emitting layer between the first dam and the second dam, and a sealant overlapping the dummy light-emitting layer, the sealant being between the first dam and the second dam.
1. An electroluminescence display device, comprising:
a first substrate and a second substrate facing each other;
a bank configured to define a plurality of emission areas on the first substrate;
a light-emitting layer comprising:
a first light-emitting layer including a first light-emitting material layer in a first emission area among the plurality of emission areas;
a second light-emitting layer including a second light-emitting material layer in a second emission area among the plurality of emission areas; and
a third light-emitting layer including a third light-emitting material layer in a third emission area among the plurality of emission areas;
a first dam at an outer portion of the bank;
a second dam at an outer portion of the first dam;
a dummy light-emitting layer between the first dam and the second dam, the dummy light-emitting layer including the first light-emitting material layer, the second light-emitting material layer, and the third light-emitting material layer; and
a sealant overlapping the dummy light-emitting layer, the sealant being between the first dam and the second dam,
wherein the first light-emitting material layer, the second light-emitting material layer, and the third light-emitting material layer are disposed between the first dam and the second dam.
2. The electroluminescence display device of claim 1 , wherein:
the first light-emitting layer comprises a red light-emitting material layer;
the second light-emitting layer comprises a green light-emitting material layer;
the third light-emitting layer comprises a blue light-emitting material layer; and
the dummy light-emitting layer comprises at least two of: the red light-emitting material layer, the green light-emitting material layer, and the blue light-emitting material layer.
3. The electroluminescence display device of claim 1 , wherein:
the first light-emitting layer comprises a red light-emitting material layer;
the second light-emitting layer comprises a green light-emitting material layer;
the third light-emitting layer comprises a blue light-emitting material layer; and
the dummy light-emitting layer comprises one of: the red light-emitting material layer, the green light-emitting material layer, and the blue light-emitting material layer.
4. The electroluminescence display device of claim 1 , wherein:
the first light-emitting layer, the second light-emitting layer, and the third light-emitting layer comprise an electron transporting layer; and
the electron transporting layer is not in the dummy light-emitting layer.
5. The electroluminescence display device of claim 1 , wherein a height of the dummy light-emitting layer is different from a height of the first light-emitting layer.
6. The electroluminescence display device of claim 1 , wherein the first dam is in contact with an outermost portion of the bank.
7. The electroluminescence display device of claim 1 , wherein:
a height of an upper end of the first light-emitting layer at a central portion of the emission area is lower than a height of an upper end of the first light-emitting layer at an end of the emission area;
the bank comprises a first bank and a second bank on the first bank; and
the second bank has a width narrower than a width of the first bank and has a thickness greater than a thickness of the first bank.
8. An electroluminescence display device, comprising:
a first substrate comprising:
an active area configured to display an image; and
a second substrate facing the first substrate;
a bank configured to define an emission area in the active area;
a plurality of light-emitting layers in the emission area;
a first dam and a second dam configured to define a dummy emission area, and surrounding the active area;
a dummy light-emitting layer including a plurality of light-emitting material layers in the dummy emission area; and
a sealant overlapping the dummy light-emitting layer, the sealant being between the first substrate and the second substrate,
wherein the plurality of the light-emitting material layers are disposed between the first dam and the second dam.
9. The electroluminescence display device of claim 8 , wherein the dummy light-emitting layer surrounds the active area.
10. The electroluminescence display device of claim 8 , wherein the dummy light-emitting layer and the sealant are between the first dam and the second dam.
11. The electroluminescence display device of claim 8 , wherein:
the first dam contacts an outermost portion of the bank; and
the second dam is at an outer portion of the first dam.
12. The electroluminescence display device of claim 8 , wherein:
the plurality of the light-emitting layers comprises any one of: a red light-emitting material layer, a green light-emitting material layer, and a blue light-emitting material layer; and
the dummy light-emitting layer comprises one or more material layers among: the red light-emitting material layer, the green light-emitting material layer, and the blue light-emitting material layer.
13. The electroluminescence display device of claim 8 , wherein a height of the dummy light-emitting layer is different from a height of each of the plurality of the light-emitting layers.
14. An electroluminescence display device, comprising:
a first substrate and a second substrate comprising an active area displaying an image and a bonding area provided at an outer portion of the active area;
a light-emitting layer including any one of a first light-emitting material layer, a second light-emitting material layer, and a third light-emitting material layer in the active area;
a dummy light-emitting layer provided in the bonding area, the dummy light-emitting layer including the first light-emitting material layer, the second light-emitting material layer, and the third light-emitting material layer; and
a sealant overlapping the dummy light-emitting layer, the sealant being configured to bond the first substrate and the second substrate; and
a light-emitting layer in the active area,
wherein the first light-emitting material layer, the second light-emitting material layer, and the third light-emitting material layer are overlapping in the bonding area.
15. The electroluminescence display device of claim 14 , wherein the dummy light-emitting layer surrounds the active area.
16. The electroluminescence display device of claim 14 , wherein the bonding area contacts the active area.
17. The electroluminescence display device of claim 14 , wherein:
the first light-emitting material layer comprises a red light-emitting material layer;
the second light-emitting material layer comprises a green light-emitting material layer; and
the third light-emitting material layer comprises a blue light-emitting material layer.
18. The electroluminescence display device of claim 14 , wherein a height of the dummy light-emitting layer is different from a height of the light-emitting layer.