869642-36-4Relevant articles and documents
Phosphorescence host material and application thereof in organic electroluminescence devices
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Paragraph 0102; 0104; 0105-0107, (2019/10/15)
The invention relates to an organic compound; the organic compound is as shown in a formula (1), and the formula (1) is described in the description, wherein the dotted circle represents a benzene ring structure, and indole derivative groups positioned at the two sides of the benzene ring structure are fused into indolocarbazole derivatives by means of the benzene ring structure; X1-X8 is CR or N;one of Ar1 and Ar2 is selected from pi-absence electron-type aromatic groups of C3-C30; R is selected from hydrogen, aliphatic hydrocarbon groups of C1-C4, aryl groups of C6-C30 and heteroaryl groupsof C3-C30; when multiple Rs exist, all the Rs can be the same or different; m and n are respectively integers within a range of 1-4; p is 1 or 2; L1 and L2 are respectively and independently selectedfrom a single bond, arylene groups of C6-C12 or hetero-arylene groups of C3-C12; when substituents exist in the groups, the substituents are respectively and independently selected from halogen, alkyl or cycloalkyl groups of C1-C10, alkenyl or cycloalkenyl groups of C2-C6, alkoxy or thioalkoxy groups of C1-C6, monocyclic aryl or fused ring aryl groups of C6-C30, monocyclic heteroaryl or fused ring heteroaryl groups of C3-C30, or a combined structure of the groups.
