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US 11,718,583 B2Granted
Nitrogen-containing compound, electronic component using same and electronic device
AssigneeShaanxi Lighte Optoelectronics Material Co., Ltd.
InventorsJian Li, Tiantian Ma, Chao Yu
Life of this patent
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Abstract
The present disclosure belongs to the field of organic electroluminescent materials, and specifically relates to a nitrogen-containing compound, an electronic component using the nitrogen-containing compound and an electronic device using the nitrogen-containing compound. The nitrogen-containing compound has a structure as shown in Formula 1. When the nitrogen-containing compound of the present disclosure is used in an organic electroluminescent device, properties of the device can be effectively improved.
Claims11
A nitrogen-containing compound, having a structure represented by Formula 1:
- wherein X is selected from O, S, N(R4), or C(R5R6), R4 is selected from an aryl with 6 to 12 carbon atoms, or a heteroaryl with 3 to 12 carbon atoms;
- R5 to R6 are each independently selected from an alkyl with 1 to 4 carbon atoms, or an aryl with 6 to 12 carbon atoms;
- Ar is selected from a substituted or unsubstituted aryl with 6 to 26 carbon atoms, or a substituted or unsubstituted heteroaryl with 3 to 24 carbon atoms;
- L is selected from single bond, or a substituted or unsubstituted arylene with 6 to 20 carbon atoms;
- A has a structure represented by the following Formula 1-1 or Formula 1-2:
- the substituents in L and Ar are the same or different, and are each independently selected from deuterium, fluorine, cyano, an alkyl with 1 to 4 carbon atoms, an alkoxy with 1 to 4 carbon atoms, an alkylthio with 1 to 4 carbon atoms, a haloalkyl with 1 to 4 carbon atoms, a cycloalkyl with 5 to 10 carbon atoms, an aryl with 6 to 15 carbon atoms, a heteroaryl with 5 to 12 carbon atoms, a trialkylsilyl with 3 to 7 carbon atoms, or triphenylsilyl;
- in L and Ar, optionally, any two adjacent substituents form a ring;
- R1 to R3 are the same or different, and are each independently selected from deuterium, fluorine, cyano, an alkyl with 1 to 4 carbon atoms, an alkoxy with 1 to 4 carbon atoms, an alkylthio with 1 to 4 carbon atoms, a fluoroalkyl with 1 to 4 carbon atoms, a cycloalkyl with 5 to 10 carbon atoms, a trialkylsilyl with 3 to 7 carbon atoms, or an aryl with 6 to 12 carbon atoms;
- and
- n1, n2 and n3 respectively represent the number of R1, R2 and R3;
- R1 to R3 are represented by Rj, and n1 to n3 are represented by nj, wherein j is a variable representing an integer of 1 to 3;
- and when j is 1, nj is selected from 0, 1, 2, 3, or 4;
- when j is 2, nj is selected from 0, 1, 2, or 3;
- when j is 3, nj is 0, 1, 2, 3, 4, 5, 6, or 7;
- optionally, any two adjacent Rj form a ring.
12 more elements
Dependencies are inferred from the claim text.