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:
Sep. 07, 2021
Filed:
Aug. 11, 2017
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Electronic Materials Llc, Marlborough, MA (US);
Laura Havens, Midland, MI (US);
Sukrit Mukhopadhyay, Midland, MI (US);
David S. Laitar, Midland, MI (US);
David D. Devore, Midland, MI (US);
Aaron A. Rachford, South Grafton, MA (US);
Erich J. Molitor, Midland, MI (US);
Rohm and Haas Electronic Materials LLC, Marlborough, MA (US);
Dow Global Technologies LLC, Midland, MI (US);
Abstract
Provided is a composition comprising a compound having structure (I) wherein each of A, A, A, A, A, A, A, and Ais independently CRor N; wherein one to four of A, A, A, A, A, A, A, and Aare N; wherein Jis C or Si; wherein Jis C(R), O, (C(R)), S, NR, or Se; wherein n is 1 or 2; wherein each of R, R, R, R, R, R, R, R, R, R, R, R, and Ris independently H, deuterium, or an organic group. Also provided is a method of making the composition, a method of making an organic light-emitting diode using the composition, and an organic light-emitting diode made by that method.