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US 9,543,525 B2Granted
Organic light emitting device and display apparatus including the same
AssigneeSamsung Display Co., Ltd.
InventorsHyein Jeong, Jungsub Lee
Life of this patent
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Abstract
An organic light emitting device includes an anode, a hole auxiliary layer on the anode, the hole auxiliary layer including an arylamine derivative, an emission layer on the hole auxiliary layer, an electron auxiliary layer on the emission layer, the electron auxiliary layer including a 9,10-diarylanthracene derivative and a bifluorene derivative, and a cathode on the electron auxiliary layer.
Claims20
An organic light emitting device, comprising:
- an anode;
- a hole auxiliary layer on the anode, the hole auxiliary layer including an arylamine derivative;
- an emission layer on the hole auxiliary layer;
- an electron auxiliary layer on the emission layer, the electron auxiliary layer including a 9,10-diarylanthracene derivative and a bifluorene derivative;
- and
- a cathode on the electron auxiliary layer,
- wherein the bifluorene derivative excludes spiro-bifluorene derivatives.
4 more elements
An organic light emitting display apparatus, comprising:
- a wiring part;
- a thin film transistor connected to the wiring part;
- and
- an organic light emitting device connected to the thin film transistor,
- the light emitting device including:
- an anode;
- an emission layer on the anode;
- an electron auxiliary layer on the emission layer;
- and
- a cathode on the electron auxiliary layer,
- the electron auxiliary layer including a 9,10-diarylanthracene derivative and a bifluorene derivative, wherein the bifluorene derivative excludes spiro-bifluorene derivatives.
8 more elements
Dependencies are inferred from the claim text.