Organic electroluminescent display device having bi-layer electron injection structure
AssigneeSamsung SDI Co., Ltd.
InventorsJun Yeob Lee, Jang Hyuk Kwon, Yong Joong Choi
Life of this patent
Estimating the term…
Abstract
An organic electroluminescent display device including a first electrode and a second electrode formed on a substrate, and a plurality of organic film layers between the first and second electrodes, including a first organic film layer provided between the emitting layer and the second electrode, and a second organic film provided between the emitting layer and the first organic film layer, wherein the first organic film layer includes a first organic metal complex compound, and the second organic film layer includes a mixture of a charge carrier transport material and a second organic metal complex compound.
Claims30
An organic electroluminescent display device comprising;
- a substrate;
- a first electrode and a second electrode formed on the substrate;
- and
- a plurality of organic film layers between the first and second electrodes, comprising:
- an emitting layer,
- a first organic film layer provided between the emitting layer and the second electrode, and
- a second organic film layer provided between the emitting layer and the first organic film layer,
- wherein the first organic film layer comprises a first organic metal complex compound, and the second organic film layer comprises a mixture of a charge carrier transport material and a second organic metal complex compound.
An organic electroluminescent display device comprising;
- a substrate;
- a first electrode and a second electrode formed on the substrate;
- a first layer comprising a metal halide, contacted with the second electrode;
- and
- a second layer comprising a mixture of a charge carrier transport material and an organic metal complex compound, deposited under the first layer.
An organic electroluminescent display device comprising:
- a bi-layer electron injection structure comprising:
- a first organic film layer comprising a first organic metal complex compound;
- and
- a second organic film layer comprising a second organic metal complex compound mixed with an electron transport material.
An organic electroluminescent display device comprising:
- a bi-layer electron injection structure comprising:
- a first layer;
- and
- a second layer comprising a mixture of an organic metal complex compound and an electron transport material.
Dependencies are inferred from the claim text.