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:
Dec. 18, 2007
Filed:
Jan. 14, 2005
Pranab K. Raychaudhuri, Rochester, NY (US);
Joseph K. Madathil, Rochester, NY (US);
Joel D. Shore, Rochester, NY (US);
Pranab K. Raychaudhuri, Rochester, NY (US);
Joseph K. Madathil, Rochester, NY (US);
Joel D. Shore, Rochester, NY (US);
Eastman Kodak Company, Rochester, NY (US);
Abstract
A top-emitting OLED device with improved off-axis viewing includes a substrate; a reflective, substantially opaque, and conductive anode including a metal or metal alloy or both formed over the substrate; at least one organic layer formed over the anode and including an electroluminescent material; a cathode including a semitransparent metallic layer provided over the organic layer wherein the semitransparent metallic layer includes a low reflectivity metal; an light transmissive layer provided over the cathode; and the cathode and light transmissive layer being selected to reduce the color shift with respect to an off-axis viewing angle.