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. 21, 2022
Filed:
Jun. 26, 2017
Dow Global Technologies Llc, Midland, MI (US);
Rohm and Haas Electronic Materials Llc, Marlborough, MA (US);
Anatoliy N. Sokolov, Midland, MI (US);
Brian Goodfellow, Midland, MI (US);
Robert David Grigg, Midland, MI (US);
Liam P. Spencer, Lake Jackson, TX (US);
John W. Kramer, Midland, MI (US);
David D. Devore, Midland, MI (US);
Sukrit Mukhopadhyay, Midland, MI (US);
Peter Trefonas, III, Marlborough, MA (US);
Dow Global Technologies LLC, Midland, MI (US);
Rohm and Haas Electronic Materials LLC, Marlboroug, MA (US);
Abstract
The present invention provides a quantum dot light emitting diode comprising i) an emitting layer of at least one semiconductor nanoparticle made from semiconductor materials selected from the group consisting of Group II-VI compounds, Group II-V compounds, Group III-VI compounds, Group III-V compounds, Group IV-VI compounds, Group I-III-VI compounds, Group II-IV-VI compounds, Group II-IV-V compounds, or any combination thereof; and ii) a polymer for hole injection or hole transport layer, comprising one or more triaryl aminium radical cations having the structure (S1).