Organic electroluminescent device, method for manufacturing the organic electroluminescent device, and electronic apparatus
AssigneeSeiko Epson Corporation
InventorsMasashi Goto, Masahiro Uchida
Life of this patent
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Abstract
An organic electroluminescent device includes a pair of electrodes, and a first organic layer and a second organic layer in contact with each other formed between the electrodes by a wet process. The first organic layer contains a crosslinkable organic material and includes a crosslinked layer formed by crosslinking the crosslinkable organic material at least at the interface with the second organic layer.
Claims11
An organic electroluminescent device comprising:
- a light-emitting layer formed between a pair of electrodes by a wet process;
- and
- an electron transport layer,
- the light-emitting layer including:
- an organic material and a light-emitting material having a crosslinking property;
- and
- a first crosslinked layer formed by crosslinking the organic material having the crosslinking property, and arranged at least at an interface of the electron transport layer and the light-emitting layer,
- the electron transport layer including:
- an electron transport layer-forming material that has a crosslinking property;
- a second crosslinked layer formed by crosslinking the electron transport layer-forming material;
- and
- an uncrosslinked layer in which the electron transport layer-forming material is not crosslinked,
- the electron transport layer being formed on the light-emitting layer,
- the second crosslinked layer being arranged at the interface of the electron transport layer and the light-emitting layer,
- the uncrosslinked layer being arranged at an interface of the electron transport layer and one of the pair of electrodes,
- the organic material being of a material expressed as
- the light-emitting layer material being of a material expressed as
- the electron transport layer-forming material comprising the following material
- wherein n is an integer that is equal to, or greater than 1.
A method for manufacturing an organic electroluminescent device including a light-emitting layer formed between a pair of electrodes by a wet process, and an electron transport layer, the method comprising:
- forming the light-emitting layer including an organic material and a light-emitting material having a crosslinking property;
- forming a first crosslinked layer by crosslinking, in the light-emitting layer, the organic material having the crosslinking property;
- arranging the first crosslinked layer at least at an interface of the electron transport layer and the light-emitting layer;
- forming the electron transport layer including an electron transport layer-forming material that has a crosslinking property;
- forming a second crosslinked layer by crosslinking the electron transport layer-forming material;
- and
- forming an uncrosslinked layer, arranged within the electron transport layer, in which the electron transport layer-forming material is not crosslinked,
- the electron transport layer being formed on the light-emitting layer,
- the second crosslinked layer being arranged at the interface of the electron transport layer and the light-emitting layer,
- the uncrosslinked layer being arranged at an interface of the electron transport layer and one of the pair of electrodes,
- the organic material being of a material expressed as
- the light-emitting material being of a material expressed as
- and
- the electron transport layer-forming material comprising the following material
- wherein n is an integer that is equal to, or greater than 1.
Dependencies are inferred from the claim text.