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:
Mar. 21, 2023
Filed:
Jul. 02, 2020
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Vadim Adamovich, Yardley, PA (US);
Hitoshi Yamamoto, Pennington, NJ (US);
Ting-Chih Wang, Lawrenceville, NJ (US);
Michael S. Weaver, Princeton, NJ (US);
Chuanjun Xia, Lawrenceville, NJ (US);
Bert Alleyne, Newtown, PA (US);
Pierre-Luc T. Boudreault, Pennington, NJ (US);
Alexey Borisovich Dyatkin, Ambler, PA (US);
Scott Joseph, Ewing, NJ (US);
Assignee:
Universal Display Corporation, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); C07F 15/00 (2006.01); C07D 403/04 (2006.01); C07D 403/10 (2006.01); C07D 471/04 (2006.01); H01L 51/50 (2006.01); C07D 215/06 (2006.01); C07D 401/04 (2006.01); C07D 403/14 (2006.01); C07D 487/04 (2006.01); C07D 491/048 (2006.01); C07D 495/04 (2006.01); C07D 213/06 (2006.01); C07D 213/22 (2006.01); C07D 213/26 (2006.01); H01L 51/56 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0054 (2013.01); C07D 213/06 (2013.01); C07D 213/22 (2013.01); C07D 213/26 (2013.01); C07D 215/06 (2013.01); C07D 401/04 (2013.01); C07D 403/04 (2013.01); C07D 403/10 (2013.01); C07D 403/14 (2013.01); C07D 471/04 (2013.01); C07D 487/04 (2013.01); C07D 491/048 (2013.01); C07D 495/04 (2013.01); C07F 15/0033 (2013.01); H01L 51/0052 (2013.01); H01L 51/0067 (2013.01); H01L 51/0071 (2013.01); H01L 51/0072 (2013.01); H01L 51/0085 (2013.01); H01L 51/5012 (2013.01); H01L 51/5016 (2013.01); H01L 51/56 (2013.01);
Abstract
A composition formed of a mixture of two compounds having similar thermal evaporation properties that are pre-mixed into an evaporation source that can be used to co-evaporate the two compounds into an emission layer in OLEDs via vacuum thermal evaporation process is disclosed.