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US 12,096,682 B2Granted
Organic electroluminescence device and monoamine compound for organic electroluminescence device
AssigneeSamsung Display Co., Ltd.
InventorsHideo Miyake, Masatsugu Ueno, Xiulan Jin, Ichinori Takada, Hiroaki Itoi, Takuya Uno
Life of this patent
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Abstract
An organic electroluminescence device and a monoamine compound for an organic electroluminescence device are provided. The monoamine compound is represented by Formula 1. In Formula 1, FR is a phenanthryl group which is substituted with one phenyl group.
Claims10
An organic electroluminescence device, comprising:
- a first electrode;
- a hole transport region disposed on the first electrode;
- an emission layer disposed on the hole transport region;
- an electron transport region disposed on the emission layer;
- and
- a second electrode disposed on the electron transport region,
- wherein the first electrode and the second electrode each independently comprises at least one material selected from the group consisting of Ag, Mg, Cu, Al, Pt, Pd, Au, Ni, Nd, Ir, Cr, Li, Ca, LiF/Ca, LiF/AI, Mo, Ti, In, Sn, and Zn, or a compound of two or more materials selected therefrom, a mixture of two or more materials selected therefrom, or oxides thereof,
- wherein the hole transport region comprises a monoamine compound represented by the following Formula 1:
- wherein in Formula 1,
- L2 and L3 are each independently a direct linkage or an unsubstituted arylene group having 6 to 12 carbon atoms for forming a ring,
- “b” to “c” are each independently an integer of 0 to 2,
- Ar2 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 5 to 12 carbon atoms for forming a ring, and
- FR is represented by one of the following Formulae 3-1 or 3-3:
- and -(L1)a-Ar1 is represented by one of the following structures:
11 more elements
A monoamine compound, represented by the following Formula 1:
- wherein in Formula 1,
- L2 and L3 are each independently a direct linkage or an unsubstituted arylene group having 6 to 12 carbon atoms for forming a ring,
- “b” to “c” are each independently an integer of 0 to 2,
- Ar2 is a substituted or unsubstituted aryl group having 6 to 30 carbon atoms for forming a ring, or a substituted or unsubstituted heteroaryl group having 5 to 12 carbon atoms for forming a ring, and
- FR is represented by one of the following Formulae 3-1 or 3-3:
- and -(L1)a-Ar1 is represented by one of the following structures:
3 more elements
A monoamine compound consisting of at least one selected from compounds represented in the following Compound Group 1 and Compound Group 2:
Dependencies are inferred from the claim text.