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. 06, 2023
Filed:
Nov. 05, 2020
Applicant:
Universal Display Corporation, Ewing, NJ (US);
Inventors:
Nicholas J. Thompson, New Hope, PA (US);
Chun Lin, Yardley, PA (US);
Michael Fusella, Lawrenceville, NJ (US);
Assignee:
UNIVERSAL DISPLAY CORPORATION, Ewing, NJ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 51/00 (2006.01); H01L 51/50 (2006.01);
U.S. Cl.
CPC ...
H01L 51/0072 (2013.01); H01L 51/0067 (2013.01); H01L 51/0073 (2013.01); H01L 51/0074 (2013.01); H01L 51/0087 (2013.01); H01L 51/0094 (2013.01); H01L 51/5004 (2013.01); H01L 51/5016 (2013.01); H01L 2251/5369 (2013.01); H01L 2251/5376 (2013.01); H01L 2251/552 (2013.01);
Abstract
Disclosed is an OLED configuration that although comprises an exciplex that has an emission spectrum that is redder than the emission spectrum of the emitter, the emission from the exciplex is suppressed so that the overall OLED emission spectrum is still dominated by the emission of the emitter.