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:
Aug. 15, 2023
Filed:
Dec. 16, 2016
Cambridge Display Technology Limited, Godmanchester, GB;
Sumitomo Chemical Company Limited, Tokyo, JP;
Thomas Kugler, Godmanchester, GB;
Sheena Zuberi, Godmanchester, GB;
Florence Bourcet, Godmanchester, GB;
Jean-Benoit Giguere, Godmanchester, GB;
Cambridge Display Technology Limited, Godmanchester, GB;
Sumitomo Chemical Company Limited, Tokyo, JP;
Abstract
A compound of formula (I): (Core)n-(X)m wherein Core is a core group; n is 0 and m is 1, or n is 1 and m is at least 1; and X is a group of formula (II): wherein: R, Rand Rare each independently H or a substituent; Rand Rare each a substituent; one of R-Ris a direct bond or divalent linking group linking the group of formula (II) to Core in the case where n is 1; x and y are 0, 1, 2, 3 or 4; and the compound of formula (I) is substituted with at least one ionic substituent. The compound may be used as an n-dopant to dope an organic semiconductor.