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:
Oct. 05, 2009
William J. Begley, Webster, NY (US);
Tukaram K. Hatwar, Penfield, NY (US);
Liang-sheng Liao, Suzhou, CN;
Kevin P. Klubek, West Henrietta, NY (US);
Manju Rajeswaran, Fairport, NY (US);
Natasha Andrievsky, Webster, NY (US);
William J. Begley, Webster, NY (US);
Tukaram K. Hatwar, Penfield, NY (US);
Liang-Sheng Liao, Suzhou, CN;
Kevin P. Klubek, West Henrietta, NY (US);
Manju Rajeswaran, Fairport, NY (US);
Natasha Andrievsky, Webster, NY (US);
Global OLED Technology LLC, Herndon, VA (US);
Abstract
An OLED device including a cathode, a light emitting layer and an anode, in that order, and, having located between the cathode and the light emitting layer, a further layer containing an alkali metal or alkaline earth metal salt of a 2-(2-hydroxyphenyl)phenanthroline derivative, according to Formula (MC) below. Such devices exhibit reduced drive voltage while maintaining good luminance.