Organic electroluminescent device having auxiliary patterns in cap bonding area
View Patent ↗The organic electroluminescent device having the structure capable of dispensing a sealant uniformly on the entire cap-bonding area of a substrate is disclosed. The electroluminescent display device according to the present invention comprises a substrate on which an active area is formed; a plurality of scan lines of a scan line group and a plurality of data lines of a data line group being respectively extended from cathode electrodes and anode electrodes formed in the active area; auxiliary patterns formed on the substrate, each auxiliary pattern being formed in a space between two adjacent line groups arranged on a cap-bonding area of the substrate; and a cap bonded to the cap-bonding area through a sealant.
1. An organic electroluminescent device comprising:
a substrate on which an active area is formed;
a plurality of cathode electrodes and a plurality of anode electrodes formed in the active area;
a scan line group and a data line group extended from the cathode electrodes and the anode electrodes, respectively;
auxiliary patterns formed on the substrate, wherein each auxiliary pattern is formed in a space between the scan line group and the data line group, and arranged on a cap-bonding area of the substrate; and
a cap bonded to the cap-bonding area through a sealant, wherein the auxiliary pattern is a metal layer formed on the substrate.
2. The organic electroluminescent device according to claim 1 , wherein the metal layer is made of one of indium tin oxide and molybdenum.
3. The organic electroluminescent device according to claim 1 , wherein an insulating layer formed on the metal layer.
4. The organic electroluminescent device according to claim 3 , wherein the metal layer is made of one of indium tin oxide and molybdeum.
5. The organic electroluminescent device according to claim 1 , wherein a height of the auxiliary pattern is shorter than a height of a spacer contained in the sealant.
6. The organic electroluminescent device according to claim 1 , wherein the auxiliary pattern is spaced apart from at least one line group by a predetermined gap.
7. The organic electroluminescent device according to claim 1 , wherein the auxiliary pattern is spaced apart from both line groups by a predetermined gap.
8. The organic electroluminescent device according to claim 1 , wherein the auxiliary pattern consists of at least two unit patterns.
9. The organic electroluminescent device according to claim 8 , wherein the unit patterns are formed in the same direction as a flow direction of the sealant and spaced apart from each other.
10. An organic electroluminescent device, comprising;
a substrate on which an active area is formed;
a plurality of cathode electrodes and a plurality of anode electrodes formed in the active area;
a scan line group and a data line group extended from the cathode electrodes and the anode electrodes, respectively;
auxiliary patterns formed on the substrate, wherein each auxiliary pattern consists of at least two unit patterns formed in a space between the scan line group and the data line group, and arranged on a cap-bonding area of the substrate; and
a cap bonded to the cap-bonding area through a sealant, wherein the unit pattern is a metal layer formed on the substrate.
11. The organic electroluminescent device according to claim 10 , wherein the metal layer is made of one of indium tin oxide and molybdenum.
12. The organic electroluminescent device according to claim 10 , wherein an insulating layer formed on the metal layer.
13. The organic electroluminescent device according to claim 12 , wherein the metal layer is made of one of indium tin oxide and molybdeum.
14. The organic electroluminescent device according to claim 10 , wherein a height of the unit pattern is shorter than a height of a spacer contained in the sealant.
15. The organic electroluminescent device according to claim 10 , wherein the unit patterns are formed in the same directions as a flow direction of the sealant and spaced apart from each other.
16. The organic electroluminescent device according to claim 10 , wherein the unit pattern is spaced apart from at least one line group by a predetermined gap.
17. The organic electroluminescent device according to claim 10 , wherein the unit pattern is spaced apart from both line groups by a predetermined gap.
18. The organic electroluminescent device according to claim 10 , wherein the cap is made of glass or metal.