Dioxin derivatives, preparation methods thereof, electron transport layers, OLED devices and display panels
AssigneeBeijing BOE Technology Development Co., Ltd.
InventorsRongrong Gao, Dongxu Zhang
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Abstract
The present application provides a dioxin derivative, a preparation method thereof, an electron transport layer, an OLED device and a display panel. The dioxin derivative has a formula of where X is O, S or NR; L represents a direct bond, or L is a substituted or unsubstituted C6-C60 arylene, or L is a C2-C60 heteroaryl including a first heteroatom; A has a formula of Ar1 and Ar2 independently are substituted or unsubstituted aryl, phenyl, biphenyl, or heterocyclyl comprising a second heteroatom, B is O, S or Se, X1, X2 and X3 independently are C or N, and at least one of X1, X2 or X3 is N, R4 and R5 independently are C5-C30 aromatic or heteroaromatic group ring.
Claims5
A dioxin derivative selected from group consisting of:
A preparation method of a dioxin derivative having a structure represented by
- wherein X is O, S or NR;
- R, R1, R2 and R3 independently are hydrogen, deuterium, halogen, cyano, nitro, C1-C40 alkyl, C2-C40 alkenyl, C2-C40 alkynyl, C3-C40 cycloalkyl, C3-C40 heterocycloalkyl, C6-C60 aryl, C5-C60 heteroaryl, C1-C40 alkoxy, C6-C60 aryloxy, C3-C40 alkylsilyl, C6-C60 arylsilyl, C1-C40 alkylboryl, C6-C60 arylboryl, C6-C60 arylphosphonoyl, C6-C60 mono- or di-arylphonphanyl, or C6-C60 arylamino;
- L represents a direct bond, or L is a substituted or unsubstituted C6-C60 arylene, or L is a C2-C60 heteroaryl comprising a first heteroatom;
- and
- A has a formula of
- wherein
- Ar1 and Ar2 independently are substituted or unsubstituted aryl, phenyl, biphenyl or heterocyclyl comprising a second heteroatom,
- B is O, S or Se;
- X1, X2 and X3 independently are C or N, and at least one of X1, X2 or X3 is N;
- and
- R4 and R5 independently are C5-C30 aromatic or heteroaromatic group ring;
- the method comprising the following steps:
Dependencies are inferred from the claim text.