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. 16, 2010
Filed:
Mar. 16, 2004
William J. Begley, Webster, NY (US);
Tukaram K. Hatwar, Penfield, NY (US);
Manju Rajeswaran, Fairport, NY (US);
Natasha Andrievsky, Webster, NY (US);
William J. Begley, Webster, NY (US);
Tukaram K. Hatwar, Penfield, NY (US);
Manju Rajeswaran, Fairport, NY (US);
Natasha Andrievsky, Webster, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
An organic light-emitting diode (OLED) device produces white light, includes a) an anode; b) a hole-transporting layer disposed over the anode; c) a blue light-emitting layer disposed over the hole-transporting layer; d) an electron-transporting layer disposed over the blue light-emitting layer; e) a cathode disposed over the electron-transporting layer; wherein the hole-transporting layer comprises an entire layer or a partial portion of a layer in contact with the blue light-emitting layer and contains a light-emitting naphthacene compound having a specified formula.