Back to results
US 11,081,648 B2Granted
Organic compound, and organic light emitting diode and organic light emitting display device including the same
AssigneeLG Display Co., Ltd.
InventorsSeung-Hee Yoon, Sung-Hoon Joo, Seon-Keun Yoo, Ji-Cheol Shin
Life of this patent
Estimating the term…
Abstract
The present invention provides an organic compound represented by: an organic light emitting diode and an organic light emitting display device using the organic compound. The organic compound of the present invention is capable of reducing a driving voltage of an organic light emitting diode and improving an emitting efficiency and a lifetime of the organic light emitting diode and the organic light emitting display device including the organic compound.
Claims13
An organic light emitting diode, comprising:
- a first electrode and a second electrode facing each other;
- a first emitting part between the first and second electrodes and including a first emitting material layer and an electron transporting layer;
- a second emitting part between the first emitting part and the second electrode and including a second emitting material layer;
- and
- a first charge generation layer between the first emitting part and the second emitting part,
- wherein the first charge generation layer includes an organic compound having the following Formula (1):
- wherein each of R1 to R2 is independently selected from the group consisting of substituted C6-C60 homoaryl, non-substituted C6-C60 homoaryl, substituted C6-C60 heteroaryl, non-substituted C6-C60 heteroaryl, substituted C6-C60 homo-oxyaryl, non-substituted C6-C60 homo-oxyaryl, substituted C6-C60 hetero-oxyaryl, and non-substituted C6-C60 hetero-oxyaryl,
- wherein each of L1 is anthracenylene and L2 is selected from the group consisting of substituted C6-C60 homoarylene, non-substituted C6-C60 homoarylene, substituted C6-C60 heteroarylene, and non-substituted C6-C60 heteroarylene, wherein m is 0 (zero) or 1, and n is 1,
- wherein one of X1 to X4 and X9 is nitrogen atom, and the rest of X1 to X4 and X9 are CH or CR3,
- wherein one of X5 to X8 and X10 is nitrogen atom, and the rest of X5 to X8 and X10 are CH or CR4, and
- wherein each of R3 and R4 is independently selected from the group consisting of substituted C1-C20 alkyl, non-substituted C1-C20 alkyl, substituted C1-C20 alkoxy, non-substituted C1-C20 alkoxy, C1-C20 alkyl amino, substituted C4-C30 cycloalkyl, non-substituted C4-C30 cycloalkyl, substituted C4-C30 heterocycloalkyl, non-substituted C4-C30 heterocycloalkyl, substituted C6-C60 homoaryl, non-substituted C6-C60 homoaryl, substituted C6-C60 homo-oxyaryl, non-substituted C6-C60 homo-oxyaryl, substituted C6-C60 hetero-oxyaryl, and non-substituted C6-C60 hetero-oxyaryl.
8 more elements
Dependencies are inferred from the claim text.