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:
Nov. 15, 2011
Filed:
Apr. 20, 2005
Tukaram K. Hatwar, Penfield, NY (US);
Liang-sheng Liao, Rochester, NY (US);
Yuan-sheng Tyan, Webster, NY (US);
Steven A. Van Slyke, Pittsford, NY (US);
Tukaram K. Hatwar, Penfield, NY (US);
Liang-Sheng Liao, Rochester, NY (US);
Yuan-Sheng Tyan, Webster, NY (US);
Steven A. Van Slyke, Pittsford, NY (US);
Global OLED Technology, LLC., Wilmington, DE (US);
Abstract
An OLED device includes an anode, a cathode, and at least one individually selected organic light-emitting layer disposed between the anode and cathode. The device also includes an electron-transporting layer disposed between the at least one light-emitting layer and the cathode, such electron-transporting layer including a first electron-transporting material, and an electron-injecting layer disposed between the electron-transporting layer and the cathode, such electron-injecting layer including a metal dopant having a work function less than 4.0 eV and an electron-transporting material that is different from the first electron-transporting material.