Organic light-emitting display panel device
Embodiments of the present invention disclose an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel includes: a first electrode, a hole injection layer, a light-emitting layer and a second electrode that are stacked in turn; wherein, the material of the hole injection layer includes an organic material and a conductive metal oxide, or the hole injection layer is formed by stacking an organic material film layer and a conductive metal oxide film layer.
1. An organic light-emitting display panel, comprising:
a first electrode, wherein the first electrode is an anode electrode,
a hole injection layer stacked on the first electrode,
a light-emitting layer stacked on the hole injection layer,
an electron transport layer stacked on the light-emitting layer,
an electron injection layer stacked on the electron transport layer, and
a second electrode stacked on the electron injection layer, wherein the second electrode is a cathode electrode,
wherein a material of the hole injection layer comprises an organic material and a conductive metal oxide, or the hole injection layer is formed by stacking an organic material film layer and a conductive metal oxide film layer,
wherein the material of the hole injection layer comprises molybdenum trioxide and 2,3,6,7,10,11-hexacyano-1,4,5,8,9,12-hexaazatriphenylene (HAT-CN), and the volume ratio of the molybdenum trioxide to the HAT-CN in the hole injection layer is 1:1, wherein the electron transport layer is doped with ytterbium.
2. The organic light-emitting display panel according to claim 1 , wherein
at least one of the electron injection layer and the second electrode is doped with at least one of an alkali metal, an alkaline earth metal and a rare earth metal.
3. The organic light-emitting display panel according to claim 1 , wherein
at least one of the first electrode and the second electrode is a light exit side electrode of the organic light-emitting display panel.
4. The organic light-emitting display panel according to claim 3 , wherein
the first electrode is the light exit side electrode of the organic light-emitting display panel; and
a material of the first electrode is a conductive transparent material.
5. The organic light-emitting display panel according to claim 3 , wherein
the second electrode is the light exit side electrode of the organic light-emitting display panel; and
a material of the second electrode is silver or an alloy containing silver.
6. The organic light-emitting display panel according to claim 4 , wherein, a material of the second electrode is silver or an alloy containing silver.
7. The organic light-emitting display panel according to claim 5 , wherein
the material of the second electrode is an alloy containing silver, wherein a volume percent of silver is greater than or equal to 80%.
8. The organic light-emitting display panel according to claim 5 , wherein
a thickness of the second electrode is 10 nm-20 nm.
9. The organic light-emitting display panel according to claim 5 , wherein
the first electrode comprises a first conductive transparent film, a second conductive transparent film and a reflective film located between the first conductive transparent film and the second conductive transparent film.
10. The organic light-emitting display panel according to claim 9 , wherein
a material of the first conductive transparent film and the second conductive transparent film is tin indium oxide, zinc indium oxide or a mixture of aluminium oxide and zinc oxide, and the material of the reflective film is silver or an alloy containing silver.
11. The organic light-emitting display panel according to claim 10 , wherein
a thickness of the reflective film is 50 nm-150 nm.
12. The organic light-emitting display panel according to claim 5 , further comprising an optical coupling layer, wherein the optical coupling layer is located on a side of the light exit side electrode of the organic light-emitting display panel away from the light-emitting layer.
13. The organic light-emitting display panel according to claim 12 , wherein, a transmittance of the light exit side electrode is 30%-50%, and the total transmittance of the light exit side electrode and the optical coupling layer is greater than or equal to 65%.
14. An organic light-emitting display device, comprising an organic light-emitting display panel, wherein the organic light-emitting display panel comprises:
a first electrode, wherein the first electrode is an anode electrode,
a hole injection layer stacked on the first electrode,
a light-emitting layer stacked on the hole injection layer,
an electron transport layer stacked on the light-emitting layer,
an electron injection layer stacked on the electron transport layer, and
a second electrode stacked on the electron injection layer, wherein the second electrode is a cathode electrode,
wherein a material of the hole injection layer comprises an organic material and a conductive metal oxide, or the hole injection layer is formed by stacking an organic material film layer and a conductive metal oxide film layer,
wherein the material of the hole injection layer comprises molybdenum trioxide and 2,3,6,7,10,11-hexacyano-1,4,5,8,9,12-hexaazatriphenylene (HAT-CN), and the volume ratio of the molybdenum trioxide to the HAT-CN in the hole injection layer is 1:1, wherein the electron transport layer is doped with ytterbium.