Heterocyclic arylamine compound, organic electroluminescent device and display panel
AssigneesWuhan Tianma Microelectronics Co., Ltd., Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch
InventorsWenpeng Dai, Wei Gao, Lu Zhai, Tingting Lu, Yi Liu
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Abstract
Provided are a heterocyclic arylamine compound, an organic electroluminescent device and a display panel. The heterocyclic arylamine compound has a structure represented by Formula I. The structure of the heterocyclic arylamine compound is designed so that the heterocyclic arylamine compound has relatively high molecular polarizability, relatively high refractive index and relatively high crystallinity and may be used as a material of a capping layer to prepare a top-emitting OLED device, and the prepared OLED device has relatively high current efficiency and long lifetime.
Claims10
A heterocyclic arylamine compound having a structure represented by Formula I:
- wherein Ar1 has a structure represented by Formula II:
- wherein X1 to X10 are each independently selected from N or C—R′, wherein R′ is selected from any one of H, D, halogen or cyano;
- Y1 is selected from O or S;
- L1 to L3 are each independently selected from any one of a single bond, substituted or unsubstituted C6 to C18 arylene, or substituted or unsubstituted C3 to C18 heteroarylene;
- substituents in substituted L1 to L3 are each independently selected from at least one of D, halogen or cyano;
- Ar2 and Ar3 are each independently selected from any one of substituted or unsubstituted C6 to C30 aryl, or substituted or unsubstituted C3 to C30 heteroaryl;
- substituents in substituted Ar2 and Ar3 are each independently selected from at least one of D, halogen, cyano or C1 to C5 alkyl;
- wherein C6 to C30 aryl is selected from any one of phenyl, naphthyl, anthryl, phenanthryl, pyrenyl, perylenyl, benzophenanthryl, benzopyrenyl or benzoanthryl;
- wherein C3 to C30 heteroaryl is selected from any one of furanyl, thienyl, pyrrolyl, pyridyl, pyranyl, pyrimidinyl, pyrazinyl, pyridazinyl, triazinyl, naphthyl, quinolyl, quinoxalinyl, isoquinolyl, quinazolinyl, acridinyl, carbazolyl, indolyl, benzofuranyl, benzothienyl, dibenzofuranyl, dibenzothienyl, 2-N-heterodibenzofuran or 2-N-heterodibenzothiophene;
- and
- Ar1, Ar2 and Ar3 include at least one nitrogen atom.
Dependencies are inferred from the claim text.