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:
Feb. 17, 2015
Filed:
Sep. 14, 2012
Michael Stuart Weaver, Princeton, NJ (US);
Michael Hack, Princeton, NJ (US);
Julia J. Brown, Yardley, PA (US);
Mauro Premutico, Brooklyn, NY (US);
Michael Stuart Weaver, Princeton, NJ (US);
Michael Hack, Princeton, NJ (US);
Julia J. Brown, Yardley, PA (US);
Mauro Premutico, Brooklyn, NY (US);
Universal Display Corporation, Ewing, NJ (US);
Abstract
Devices and fabrication methods thereof are provided which reduce image sticking and/or improve lifetime and performance of blue emissive devices. Each device may include non-common transport layers between emissive devices, one or more optical capping layers, light and deep blue emissive devices, a mixed host emissive layer, a high T1 transport layer, and/or a stacked blue device in conjunction with single emissive layer red and/or green devices. The provided structures may be used individually, in combination, or as a group in a single device.