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:
Jun. 23, 2020
Filed:
Mar. 31, 2016
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Thomas Raimann, Sisseln, CH;
Thomas Schaefer, Liestal, CH;
Masatoshi Saito, Sodegaura, JP;
Heinz Wolleb, Fehren, CH;
Flavio Luiz Benedito, Ludwigshafen, DE;
Yuichi Nishimae, Basel, CH;
Yuki Nakano, Basel, CH;
Hideaki Nagashima, Basel, CH;
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Abstract
Novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, an electronic device, comprising said novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, which is preferably an electroluminescent device, a charge transport layer, a charge/exciton blocker layer, or an emitting layer comprising said novel benzimidazolo[1,2-a]benzimidazoles carrying aryl- or heteroarylnitril groups, an apparatus selected from the group consisting of stationary visual display units; mobile visual display units; illumination units; key-boards; items of clothing; furniture; wallpaper, comprising said organic electronic device, or said charge transport layer, said charge/exciton blocker layer, or said emitting layer.