The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2023
Filed:
Jun. 14, 2018
Sumitomo Chemical Company Limited, Tokyo, JP;
Sumitomo Chemical Company Limited, Tokyo, JP;
Abstract
A compound of formula (I): (Formula (I)) wherein Ar, Arand Arindependently in each occurrence is a Caryl group or a 5-20 membered heteroaryl group which is unsubstituted or substituted with one or more substituents; X, Xand Xin each occurrence is independently a direct bond or a group of formula —C(R)— wherein Rin each occurrence is independently H or a substituent. The compound of formula (I) may be used to form an n-dopant for doping an organic semiconductor. A film formed by such n-doping may be used in an organic electronic device, for example an electron injection layer of an organic light-emitting device.
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