Organic light-emitting device, organic light-emitting display apparatus, and method of manufacturing organic light-emitting display apparatus
View Patent ↗An organic light-emitting display apparatus includes a substrate; an emission control circuit formed on the substrate; an insulating layer covering the control circuit; an organic light-emitting device including a first electrode and a second electrode and formed on the insulating layer; and a contact wiring structure for electrically connecting the emission control circuit and the organic light-emitting device. The contact wiring structure includes a first conductive layer made of the same material as the first electrode; a second conductive layer made of the same material as the second electrode; and a diamond-like carbon film between the first conductive layer and the second conductive layer.
1. An organic light-emitting display apparatus comprising:
a substrate;
an emission control circuit formed on the substrate;
an insulating layer covering the control circuit;
an organic light-emitting device including a first electrode and a second electrode, and formed on the insulating layer; and
a contact wiring structure for electrically connecting the emission control circuit and the organic light-emitting device, and including
a first conductive layer made of the same material as the first electrode;
a second conductive layer made of the same material as the second electrode; and
a non-insulating diamond-like carbon film interposed between the first conductive layer and the second conductive layer, and electrically connected there between.
2. The organic light-emitting display apparatus according to claim 1 , wherein the first electrode includes a material selected from the group consisting of aluminum and copper.
3. The organic light-emitting display apparatus according to claim 1 , wherein the diamond-like carbon film between the first conductive layer and the second conductive layer contains fluorine.
4. The organic light-emitting display apparatus according to claim 1 , wherein the light-emitting device includes
a light-emitting layer made of an organic material generating light by charge injection; and
a diamond-like carbon film between the emitting layer and the first electrode.
5. The organic light-emitting display apparatus according to claim 4 , wherein the diamond-like carbon film between the emitting layer and the first electrode contains fluorine.
6. The organic light-emitting display apparatus according to claim 4 , wherein
the first electrode is an anode to supply holes to the emitting layer,
the second electrode is a cathode to supply electrons to the emitting layer, and
the light-emitting device further includes a diamond-like carbon film between the emitting layer and the second electrode.
7. The organic light-emitting display apparatus according to claim 6 , wherein the diamond-like carbon film between the emitting layer and the second electrode contains fluorine.
8. The organic light-emitting display apparatus according to claim 1 , wherein the second electrode includes a material with substantially the same work function as the first electrode.
9. The organic light-emitting display apparatus according to claim 1 , wherein the second electrode is made of the same material as the first electrode.
10. The organic light-emitting display apparatus according to claim 1 , wherein
the emission control circuit includes
a driver device controlling current supplied to the organic light-emitting device, and
a switching device controlling the driver device based on a scan signal and a data signal, and
the contact wiring structure is electrically connected to the driver device.
11. The organic light-emitting display apparatus according to claim 1 , wherein the diamond-like carbon film has an SP3 bond of carbon atoms and an SP2 bond of carbon atoms.
12. The organic light-emitting display apparatus according to claim 1 , wherein the diamond-like carbon film has a work function from 0.5 to 5.6 electron volts.