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. 18, 2020
Filed:
Oct. 28, 2016
Lg Chem, Ltd., Seoul, KR;
Nora Sabina Radu, Landenberg, PA (US);
Adam Fennimore, Wilmington, DE (US);
Gene M. Rossi, Wilmington, DE (US);
LG Chem, Ltd., , KR;
Abstract
There is disclosed a compound having Formula I In Formula I: Rand Rare the same or different and are H or D;Ris the same or different at each occurrence and D, CN, halogen, alkyl, alkoxy, silyl, germyl, deuterated alkyl, deuterated alkoxy, deuterated silyl, or deuterated germyl; a is an integer from 0-4; Qand Qare the same or different and are H, D, alkyl, deuterated alkyl, aryl, deuterated aryl, or a group having Formula II*-(L)-HT  (II)At least one of Qand Qis a group having Formula II. In Formula II: HT is the same or different at each occurrence and is a hole transport group; Lis the same or different at each occurrence and is alkyl, aryl, substituted derivatives thereof, deuterated analogs thereof, or combinations thereof; b is the same or different at each occurrence and is 0 or 1; and * indicates a point of attachment.