Organic light emitting diode and organic light emitting display having the same
AssigneeSamsung Display Co., Ltd.
InventorsTae-Shick Kim, Ok-Keun Song, Hye-In Jeong, Young-Mo Koo
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Abstract
An organic light emitting diode that can improve a driving voltage and emission efficiency includes a first electrode, an organic layer formed on the first electrode and including an emitting layer and an electron transport layer that is doped with an organic n-type impurity, and a second electrode formed on the organic layer. The electron transport layer is made of C60. An organic light emitting display includes the organic light emitting diode.
Claims21
An organic light emitting diode comprising:
- a first electrode;
- an organic layer formed on the first electrode and including
- an emitting layer and
- an electron transport layer comprising C60 that is doped with an organic n-type impurity wherein the organic n-type impurity is dicarbocyanine iodide or a combination of dicarbocyanine iodide and pyronine B;
- and
- a second electrode formed on the organic layer.
An organic light emitting diode comprising:
- a first electrode;
- an organic layer formed on the first electrode and including the following layers sequentially laminated:
- a hole injection layer,
- a hole transport layer,
- an emitting layer, and
- a doped electron transport layer comprising C60 doped with an organic n-type impurity, wherein the organic n-type impurity is dicarbocyanine iodide or a combination of dicarbocyanine iodide and pyronine B;
- and
- a second electrode formed on the organic layer.
An organic light emitting display comprising:
- a substrate;
- and
- an organic light emitting diode formed on the substrate and including
- a first electrode,
- an organic layer on the first electrode and including the following layers sequentially laminated:
- a hole injection layer,
- a hole transport layer,
- an emitting layer, and
- a doped electron transport layer comprising C60 doped with an organic n-type impurity, wherein the organic n-type impurity is dicarbocyanine iodide or a combination of dicarbocyanine iodide and pyronine B;
- and
- a second electrode formed on the organic layer.
An organic light emitting diode comprising:
- a first electrode;
- an organic layer formed on the first electrode and including the following layers sequentially laminated:
- a hole injection layer,
- a hole transport layer,
- an emitting layer,
- a doped electron transport layer comprising C60 doped with an organic n-type impurity wherein the organic n-type impurity is dicarbocyanine iodide or a combination of dicarbocyanine iodide and pyronine B, and
- a first undoped electron transport layer comprising C60;
- and
- a second electrode formed on the organic layer.
Dependencies are inferred from the claim text.