Patent · US Active

Phosphepine matrix compound for a semiconducting material

US11104696B2 · kind B2 · utility

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16Claims

0Family size

Assignee

Novaled GmbH · DE

Inventors

Francois Cardinali · Dresden, DE
Benjamin Schulze · Dresden, DE
Katja Gräf · Dresden, DE
Johannes Scholz · Dresden, DE

Key dates

Filing date	Jun 22, 2016
Grant date	Aug 31, 2021
Priority date	—
Expiry date	Apr 8, 2038

Classification

Technology area (CPC H)Electricity
CPC primaryH10K50/19
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention is directed to a compound comprising at least one phosphepine ring and having the phosphorous atom of the phosphepine ring substituted with at least one monovalent substituent R, wherein (i) R is selected from aryls and heteroaryls comprising at least two rings or (ii) R is selected from aryls, alkyls, heteroalkyls, heteroaryls, H, F, CI, Br, I, OH, and OR*, wherein R* is selected from C1-C22 alkyl and C7-C22 arylalkyl, and the hosphepine ring is a ring according to formula (I), wherein structural moieties A, B, C are independently selected from ortho-arylenes and ortho-heteroarylenes, with the proviso that neither A nor B is a condensed arylene, and C comprises at least two annelated rings, a semiconducting material comprising this compound as well as an electronic device comprising the semiconducting material.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.