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US 2026/0314262 A1Published application
Light-emitting element, fused polycyclic compound for the light-emitting element, and electronic apparatus including the light-emitting element
AssigneeSamsung Display Co., Ltd.
InventorHirokazu KUWABARA
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Abstract
A light-emitting element may include a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode. The emission layer may include a first compound represented by Formula 1. The light-emitting element may exhibit long lifespan properties.
Claims20
A light-emitting element comprising:
- a first electrode;
- a second electrode on the first electrode;
- and
- an emission layer between the first electrode and the second electrode and comprising a first compound represented by Formula 1:
- wherein, in Formula 1,
- Xa, Xb, and Y1 are each independently O, S, or NRx,
- Z1 to Z19 are each independently N or CRy,
- Rx and Ry are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 30 ring-forming carbon atoms, and/or are bonded to an adjacent group to form a ring, and
- the first compound comprises a chemical structure in which one or more hydrogen atoms of the first compound are optionally substituted with deuterium atom.
6 more elements
A fused polycyclic compound represented by Formula 1:
- and
- wherein, in Formula 1,
- Xa, Xb, and Y1 are each independently O, S, or NRx,
- Z1 to Z19 are each independently N or CRy,
- Rx and Ry are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 30 ring-forming carbon atoms, and/or are bonded to an adjacent group to form a ring, and
- the fused polycyclic compound comprises a chemical structure in which one or more hydrogen atoms of the fused polycyclic compound are optionally substituted with deuterium atom.
3 more elements
An electronic apparatus comprising a display device to provide an image,
- wherein the display device comprises:
- a base layer;
- a circuit layer on the base layer;
- and
- a display element layer on the circuit layer and comprising a light-emitting element,
- the light-emitting element comprises a first electrode, a second electrode on the first electrode, and an emission layer between the first electrode and the second electrode, and
- the emission layer comprises a fused polycyclic compound represented by Formula 1:
- and
- wherein, in Formula 1,
- Xa, Xb, and Y1 are each independently O, S, or NRx,
- Z1 to Z19 are each independently N or CRy,
- Rx and Ry are each independently a hydrogen atom, a deuterium atom, a halogen atom, a cyano group, a substituted or unsubstituted amine group, a substituted or unsubstituted alkyl group having 1 to 20 carbon atoms, a substituted or unsubstituted aryl group having 6 to 30 ring-forming carbon atoms, or a substituted or unsubstituted heteroaryl group having 3 to 30 ring-forming carbon atoms, and/or are bonded to an adjacent group to form a ring, and
- the fused polycyclic compound comprises a chemical structure in which one or more hydrogen atoms of the fused polycyclic compound are optionally substituted with deuterium atom.
10 more elements
Dependencies are inferred from the claim text.