Compound, light emitter, and organic light emitting device
AssigneesKyushu University, National University Corporation, Nippon Steel & Sumikin Chemical Co., Ltd.
InventorsYuta Sagara, Hiroyuki Tanaka, Katsuyuki Shizu, Hiroshi Miyazaki, Chihaya Adachi
Life of this patent
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Abstract
A compound represented by D-A-D is useful as a light emitter for an organic electroluminescent device:
Claims10
A compound represented by the following Formula (1):
- D-A-D Formula (1)
- wherein:
- A represents a divalent group having a structure represented by one of the following Formulae (2) to (5):
- in which a hydrogen atom in the structures of the Formulae (2) to (5) may be substituted by a substituent;
- and
- the two groups of D each independently represent a group having a structure selected from the following structures:
- in which a hydrogen atom in the above structures may be substituted by a substituent.
A light emitter consisting of a compound represented by the following Formula (1):
- D-A-D Formula (1)
- wherein:
- A represents a divalent group having a structure represented by one of the following Formulae (2) to (5):
- in which a hydrogen atom in the structures of the Formulae (2) to (5) may be substituted by a substituent;
- and
- the two groups of D each independently represent a group having a structure selected from the following structures:
- in which a hydrogen atom in the above structures may be substituted by a substituent.
A delayed fluorescent emitter having a structure represented by the following Formula (1):
- D-A-D Formula (1)
- wherein:
- A represents a divalent group having a structure represented by one of the following Formulae (2) to (5):
- in which a hydrogen atom in the structures of the Formulae (2) to (5) may be substituted by a substituent;
- and
- the two groups of D each independently represent a group having a structure selected from the following structures:
- in which a hydrogen atom in the above structures may be substituted by a substituent.
An organic light emitting device containing a substrate having thereon a light emitting layer containing a compound represented by the following Formula (1):
- D-A-D Formula (1)
- wherein:
- A represents a divalent group having a structure represented by one of the following Formulae (2) to (5):
- in which a hydrogen atom in the structures of the formulae (2) to (5) may be substituted by a substituent;
- and
- the two groups of D each independently represent a group having a structure selected from the following structures:
- in which a hydrogen atom in the above structures may be substituted by a substituent.
Dependencies are inferred from the claim text.