Organic light emitting device and preparation and use thereof
AssigneeMatsushita Electric Industrial Co., Ltd.
InventorsAkio Takimoto, Michio Okajima, Masaaki Suzuki, Hisahito Ogawa
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Abstract
An organic light-emitting device having a light-emitting layer contains the polymer comprising a repeating unit of the formula: --Z--(X--Y).sub.n -- (I) wherein n is at least 2; X is O, S, Se or Te; Y is an aromatic or substituted aromatic group; Z is a group containing an imide circle and also having the carrier transport layer and/or the light receiving layer contain the polymer comprising a repeating unit of the following formula: --(X--Y).sub.n -- (II) wherein n is at least 2; X is O, S, Se or Te; Y is an aromatic or substituted aromatic group, which is used for a display or a light spatial modulator or an optical neural network system.
Claims7
An organic light-emitting device having a light-emitting layer between a pair of electrodes mounted on a base plate, in which the light-emitting layer contains a polymer comprising a repeating unit of the formula:
- --Z--(X--Y).sub.n -- (I)
- wherein n is at least 2;
- X is O, S, Se or Te;
- Y is an aromatic or substituted aromatic group;
- Z is a group containing an imide ring.
An organic light-emitting device having a carrier transport layer and a light-emitting layer between an upper electrode and a lower electrode mounted on a base plate, wherein the light-emitting layer contains a polymer comprising a repeating unit of the formula:
- --Z--(X--Y).sub.n -- (I)
- wherein n is at least 2;
- X is O, S, Se or Te;
- Y is an aromatic or substituted aromatic group;
- Z is a group containing an imide ring.
A light-emitting device used for a light spatial modulator or a light neural network system, comprising a lower electrode on a base plate, a light-emitting layer, a carrier transport layer and a transparent electrode which are laminated in turn on the lower electrode, in which the light-emitting layer contains a polymer comprising a repeating unit of the formula:
- --Z--(X--Y).sub.n -- (I)
- wherein n is at least 2;
- X is O, S, Se or Te;
- Y is an aromatic or substituted aromatic group;
- Z is a group containing an imide ring.
An organic light-emitting device having a carrier transport layer and a light-emitting layer between an upper electrode and a lower electrode mounted on a base plate, wherein the carrier transport layer is a layer of a polymer comprising a repeating unit of the following formula:
- --(X--Y).sub.n -- (II)
- wherein n is at least 2;
- X is O, S, Se or Te;
- Y is an aromatic or substituted aromatic group.
A light-emitting device used for a light spatial modulator or a light neural network system comprising a lower electrode on a base plate, a light-emitting layer, a carrier transport layer and a transparent electrode which are laminated in turn on the lower electrode, in which the carrier transport layer and/or the light receiving layer are a layer of a polymer comprising a repeating unit of the following formula:
- --(X--Y).sub.n -- (II)
- wherein n is at least 2;
- X is O, S, Se or Te;
- Y is an aromatic or substituted aromatic group.
Dependencies are inferred from the claim text.