Organic El display having auxiliary electrodes formed adjacent light extraction layer
An organic light-emitting display is provided which includes an organic electroluminescent (EL) substrate, a drive layer formed on the substrate, a first electrode formed on the drive layer; organic layers formed on the first electrode, a second electrode formed on the organic layers, and a plurality of pixels. A counter substrate is formed adjacent the organic EL substrate, and a light extraction layer is formed between the substrate and the counter substrate. Each of the pixels includes sub-pixels and is disposed such that an auxiliary electrode of the second electrode is disposed in a part of one of the sub-pixels. The auxiliary electrode is formed on a same level as the first electrode and is connected to a current supply line within the drive layer via a contact hole formed in an inter-layer insulating layer formed over the drive layer.
1. An organic light-emitting display comprising:
an organic electroluminescent (EL) substrate having a drive layer formed on the organic EL substrate; a first electrode formed on the drive layer; organic layers formed on the first electrode; a second electrode formed on the organic layers; and a plurality of pixels;
a counter substrate formed adjacent the organic EL substrate; and
a light extraction layer formed between the organic EL substrate and the counter substrate;
wherein each of the plurality of pixels includes a plurality of sub-pixels and is disposed such that an auxiliary electrode of the second electrode is disposed in a part of one of the sub-pixels, wherein the auxiliary electrode is formed on a same level as the first electrode and is connected to a current supply line within the drive layer via a contact hole formed in an inter-layer insulating layer formed over the drive layer.
2. The organic light-emitting display according to claim 1 , wherein the plurality of sub-pixels comprises a red organic light-emitting layer, a green organic light-emitting layer and a blue organic light-emitting layer.
3. The organic light-emitting display according to claim 1 , further comprising a rib for controlling a thickness of the light extraction layer.
4. The organic light-emitting display according to claim 3 , wherein the rib is formed on the counter substrate.
5. The organic light-emitting display according to claim 3 , wherein the rib is formed of a glass or a photo-curing resin.
6. The organic light-emitting display according to claim 3 , wherein the rib is formed on a sealing portion of the counter substrate and the organic EL substrate.
7. The organic light-emitting display according to claim 1 , wherein a color filter is disposed between the organic EL substrate and the counter substrate.
8. An organic light-emitting display comprising:
an organic electroluminescent (EL) substrate having a drive layer formed on the organic EL substrate; a first electrode formed on the drive layer; organic layers formed on the first electrode; a second electrode formed on the organic layers; and a plurality of pixels;
a counter substrate formed adjacent the organic EL substrate; and
a light extraction layer formed between the organic EL substrate and the counter substrate;
wherein each of the plurality of pixels includes a plurality of sub-pixels and is disposed such that an auxiliary electrode of the second electrode is disposed in a part of one of the sub-pixels, wherein the auxiliary electrode is formed on a same level as the first electrode and is connected to a current supply line within the drive layer via a contact hole formed in an inter-layer insulating layer formed over the drive layer,
further comprising a rib for controlling a thickness of the light extraction layer.
9. The organic light-emitting display according to claim 8 wherein the plurality of sub-pixels comprises a red organic light-emitting layer, a green organic light-emitting layer and a blue organic light-emitting layer.
10. The organic light-emitting display according to claim 8 , wherein the rib is formed on the counter substrate.
11. The organic light-emitting display according to claim 8 , wherein the rib is formed of a glass or photo-curing resin.
12. The organic light-emitting display according to claim 8 , wherein the rib is formed on a sealing portion of the counter substrate and the organic EL substrate.
13. The organic light-emitting display according to claim 8 , wherein a color filter is disposed between the organic EL substrate and the counter substrate.