Organic light-emitting display panel and device
Disclosed are an organic light-emitting display panel and an organic light-emitting display device. The organic light-emitting display panel comprises: a substrate, a second electrode, a light-emitting layer, a first hole transport layer and a first electrode that are successively laminated, wherein, the materials of both the first electrode and the second electrode are silver or silver-containing metallic materials, the material of the first hole transport layer is a conductive material doped with a P-type semiconductor material or a P-type semiconductor material layer is set between the first hole transport layer and the first electrode.
1. An organic light-emitting display panel, comprising:
a substrate, a second electrode, a light-emitting layer, a first hole transport layer, a first electrode and an optical coupling layer, wherein the substrate, the second electrode, the light-emitting layer, the first hole transport layer and the first electrode are successively laminated;
wherein the first electrode and the second electrode are both made of silver or silver-containing metallic materials;
wherein the first hole transport layer is made of a conductive material doped with a P-type semiconductor material;
wherein at least one of the first electrode and the second electrode is an emergent light side electrode of the organic light-emitting display panel; and
wherein the optical coupling layer is located on one side of the emergent light side electrode of the organic light-emitting display panel that is facing away from the light-emitting layer;
wherein the organic light-emitting display panel further comprises:
an electron transport layer, located between the second electrode and the light-emitting layer; a second hole transport layer, located between the first hole transport layer and the light-emitting layer; and at least one of an electron blocking layer, a hole injection layer, an electron injection layer and a hole blocking layer;
wherein the electron blocking layer is located between the light-emitting layer and the second hole transport layer;
wherein the hole injection layer is located between the first hole transport layer and the first electrode;
wherein the electron injection layer is located between the electron transport layer and the second electrode; and
wherein the hole blocking layer is located between the electron transport layer and the light-emitting layer.
2. The organic light-emitting display panel as claimed in claim 1 , wherein
a mass percent of the P-type semiconductor material in the first hole transport layer ranges from 1% to 10%.
3. The organic light-emitting display panel as in claim 1 , wherein
a lowest unoccupied molecular orbital energy level of the P-type semiconductor material is less than −5 eV.
4. The organic light-emitting display panel as in claim 1 , wherein
a thickness of the first hole transport layer is ranges from 50 Å to 300 Å.
5. The organic light-emitting display panel as in claim 1 , wherein
the electron transport layer is doped with at least one of an alkali metal, an alkaline earth metal and a rare earth metal.
6. The organic light-emitting display panel as in claim 5 , wherein
the electron transport layer is doped with at least one of lithium, cesium and ytterbium.
7. The organic light-emitting display panel as in claim 5 , wherein
a mass percent of the metal doped in the electron transport layer ranges from 5% to 50%.
8. The organic light-emitting display panel as in claim 1 , wherein
the thickness of the electron transport layer is greater than 200 Å.
9. The organic light-emitting display panel as in claim 1 , wherein
at least one of the first electrode and the second electrode is made of a silver-magnesium alloy or a silver-ytterbium alloy.
10. The organic light-emitting display panel as in claim 9 , wherein
a mass percent of silver in at least one of the first electrode and the second electrode is greater than or equal to 10%.
11. The organic light-emitting display panel as in claim 1 , wherein
a thickness of the emergent light side electrode is less than 30 nm.
12. An organic light-emitting display panel, comprising:
a substrate, a second electrode, a light-emitting layer, a first hole transport layer, a first electrode and an optical coupling layer, wherein the substrate, the second electrode, the light-emitting layer, the first hole transport layer and the first electrode are successively laminated;
wherein the first electrode and the second electrode are both made of silver or silver-containing metallic materials; and
wherein a P-type semiconductor material layer is provided between the first hole transport layer and the first electrode;
wherein at least one of the first electrode and the second electrode is an emergent light side electrode of the organic light-emitting display panel;
wherein the optical coupling layer is located on one side of the emergent light side electrode of the organic light-emitting display panel that is facing away from the light-emitting layer;
wherein the organic light-emitting display panel further comprises:
an electron transport layer, located between the second electrode and the light-emitting layer; a second hole transport layer, located between the first hole transport layer and the light-emitting layer; and at least one of an electron blocking layer, a hole injection layer, an electron injection layer and a hole blocking layer;
wherein the electron blocking layer is located between the light-emitting layer and the second hole transport layer;
wherein the hole injection layer is located between the first hole transport layer and the first electrode;
wherein the electron injection layer is located between the electron transport layer and the second electrode; and
wherein the hole blocking layer is located between the electron transport layer and the light-emitting layer.
13. The organic light-emitting display panel as in claim 12 , wherein a thickness of the emergent light side electrode is less than 30 nm.
14. An organic light-emitting display device, comprising an organic light-emitting display panel comprising:
a substrate, a second electrode, a light-emitting layer, a first hole transport layer, a first electrode and an optical coupling layer, wherein the substrate, the second electrode, the light-emitting layer, the first hole transport layer and the first electrode are successively laminated;
wherein the first electrode and the second electrode are both made of silver or silver-containing metallic materials;
wherein the first hole transport layer is made of a conductive material doped with a P-type semiconductor material, or wherein a P-type semiconductor material layer is provided between the first hole transport layer and the first electrode;
wherein at least one of the first electrode and the second electrode is an emergent light side electrode of the organic light-emitting display panel; and
wherein the optical coupling layer is located on one side of the emergent light side electrode of the organic light-emitting display panel that is facing away from the light-emitting layer;
wherein the organic light-emitting display panel further comprises:
an electron transport layer, located between the second electrode and the light-emitting layer; a second hole transport layer, located between the first hole transport layer and the light-emitting layer; and at least one of an electron blocking layer, a hole injection layer, an electron injection layer and a hole blocking layer;
wherein the electron blocking layer is located between the light-emitting layer and the second hole transport layer;
wherein the hole injection layer is located between the first hole transport layer and the first electrode;
wherein the electron injection layer is located between the electron transport layer and the second electrode; and
wherein the hole blocking layer is located between the electron transport layer and the light-emitting layer.